Add a summary of attendance (#132)

app/build.gradle

@@ -81,7 +81,7 @@ configurations.all {
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
     implementation "org.jetbrains.kotlin:kotlin-reflect:$kotlin_version"
-    implementation('com.github.wulkanowy:api:ba17abc') { exclude module: "threetenbp" }
+    implementation('com.github.wulkanowy:api:6a73b0e') { exclude module: "threetenbp" }
 
     implementation "androidx.legacy:legacy-support-v4:1.0.0"
     implementation "androidx.appcompat:appcompat:1.0.2"

app/proguard-multidex-rules.pro

@@ -1,3 +1,3 @@
 -keep class android.support.test.internal** { *; }
 -keep class org.junit.** { *; }
--keep public class io.github.wulkanowy** { *; }
+-keep public class io.github.wulkanowy** { *; }

app/src/main/java/io/github/wulkanowy/data/RepositoryModule.kt

@@ -77,6 +77,10 @@ internal class RepositoryModule {
     @Provides
     fun provideAttendanceDao(database: AppDatabase) = database.attendanceDao
 
+    @Singleton
+    @Provides
+    fun provideAttendanceSummaryDao(database: AppDatabase) = database.attendanceSummaryDao
+
     @Singleton
     @Provides
     fun provideTimetableDao(database: AppDatabase) = database.timetableDao
@@ -88,4 +92,8 @@ internal class RepositoryModule {
     @Singleton
     @Provides
     fun provideHomeworkDao(database: AppDatabase) = database.homeworkDao
+
+    @Singleton
+    @Provides
+    fun provideSubjectDao(database: AppDatabase) = database.subjectDao
 }

app/src/main/java/io/github/wulkanowy/data/db/AppDatabase.kt

@@ -7,6 +7,7 @@ import androidx.room.RoomDatabase
 import androidx.room.RoomDatabase.JournalMode.TRUNCATE
 import androidx.room.TypeConverters
 import io.github.wulkanowy.data.db.dao.AttendanceDao
+import io.github.wulkanowy.data.db.dao.AttendanceSummaryDao
 import io.github.wulkanowy.data.db.dao.ExamDao
 import io.github.wulkanowy.data.db.dao.GradeDao
 import io.github.wulkanowy.data.db.dao.GradeSummaryDao
@@ -15,8 +16,10 @@ import io.github.wulkanowy.data.db.dao.HomeworkDao
 import io.github.wulkanowy.data.db.dao.NoteDao
 import io.github.wulkanowy.data.db.dao.SemesterDao
 import io.github.wulkanowy.data.db.dao.StudentDao
+import io.github.wulkanowy.data.db.dao.SubjectDao
 import io.github.wulkanowy.data.db.dao.TimetableDao
 import io.github.wulkanowy.data.db.entities.Attendance
+import io.github.wulkanowy.data.db.entities.AttendanceSummary
 import io.github.wulkanowy.data.db.entities.Exam
 import io.github.wulkanowy.data.db.entities.Grade
 import io.github.wulkanowy.data.db.entities.GradeSummary
@@ -25,6 +28,7 @@ import io.github.wulkanowy.data.db.entities.Homework
 import io.github.wulkanowy.data.db.entities.Note
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.db.entities.Subject
 import io.github.wulkanowy.data.db.entities.Timetable
 import javax.inject.Singleton
 
@@ -36,11 +40,13 @@ import javax.inject.Singleton
         Exam::class,
         Timetable::class,
         Attendance::class,
+        AttendanceSummary::class,
         Grade::class,
         GradeSummary::class,
         Message::class,
         Note::class,
-        Homework::class
+        Homework::class,
+        Subject::class
     ],
     version = 1,
     exportSchema = false
@@ -66,6 +72,8 @@ abstract class AppDatabase : RoomDatabase() {
 
     abstract val attendanceDao: AttendanceDao
 
+    abstract val attendanceSummaryDao: AttendanceSummaryDao
+
     abstract val gradeDao: GradeDao
 
     abstract val gradeSummaryDao: GradeSummaryDao
@@ -75,4 +83,6 @@ abstract class AppDatabase : RoomDatabase() {
     abstract val noteDao: NoteDao
 
     abstract val homeworkDao: HomeworkDao
+
+    abstract val subjectDao: SubjectDao
 }

app/src/main/java/io/github/wulkanowy/data/db/Converters.kt

@@ -1,8 +1,13 @@
 package io.github.wulkanowy.data.db
 
 import androidx.room.TypeConverter
-import org.threeten.bp.*
+import org.threeten.bp.DateTimeUtils
-import java.util.*
+import org.threeten.bp.Instant
+import org.threeten.bp.LocalDate
+import org.threeten.bp.LocalDateTime
+import org.threeten.bp.Month
+import org.threeten.bp.ZoneOffset
+import java.util.Date
 
 class Converters {
 
@@ -25,4 +30,10 @@ class Converters {
     fun timeToTimestamp(date: LocalDateTime?): Long? {
         return date?.atZone(ZoneOffset.UTC)?.toInstant()?.toEpochMilli()
     }
+
+    @TypeConverter
+    fun monthToInt(month: Month?) = month?.value
+
+    @TypeConverter
+    fun intToMonth(value: Int?) = value?.let { Month.of(it) }
 }

app/src/main/java/io/github/wulkanowy/data/db/dao/AttendanceDao.kt

@@ -20,5 +20,5 @@ interface AttendanceDao {
     fun deleteAll(exams: List<Attendance>)
 
     @Query("SELECT * FROM Attendance WHERE diary_id = :diaryId AND student_id = :studentId AND date >= :from AND date <= :end")
-    fun load(diaryId: Int, studentId: Int, from: LocalDate, end: LocalDate): Maybe<List<Attendance>>
+    fun loadAll(diaryId: Int, studentId: Int, from: LocalDate, end: LocalDate): Maybe<List<Attendance>>
 }

app/src/main/java/io/github/wulkanowy/data/db/dao/AttendanceSummaryDao.kt

@@ -0,0 +1,21 @@
+package io.github.wulkanowy.data.db.dao
+
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.Query
+import io.github.wulkanowy.data.db.entities.AttendanceSummary
+import io.reactivex.Maybe
+
+@Dao
+interface AttendanceSummaryDao {
+
+    @Insert
+    fun insertAll(exams: List<AttendanceSummary>): List<Long>
+
+    @Delete
+    fun deleteAll(exams: List<AttendanceSummary>)
+
+    @Query("SELECT * FROM AttendanceSummary WHERE diary_id = :diaryId AND student_id = :studentId AND subject_id = :subjectId")
+    fun loadAll(diaryId: Int, studentId: Int, subjectId: Int): Maybe<List<AttendanceSummary>>
+}

app/src/main/java/io/github/wulkanowy/data/db/dao/ExamDao.kt

@@ -20,5 +20,5 @@ interface ExamDao {
     fun deleteAll(exams: List<Exam>)
 
     @Query("SELECT * FROM Exams WHERE diary_id = :diaryId AND student_id = :studentId AND date >= :from AND date <= :end")
-    fun load(diaryId: Int, studentId: Int, from: LocalDate, end: LocalDate): Maybe<List<Exam>>
+    fun loadAll(diaryId: Int, studentId: Int, from: LocalDate, end: LocalDate): Maybe<List<Exam>>
 }

app/src/main/java/io/github/wulkanowy/data/db/dao/GradeDao.kt

@@ -26,8 +26,8 @@ interface GradeDao {
     fun deleteAll(grades: List<Grade>)
 
     @Query("SELECT * FROM Grades WHERE semester_id = :semesterId AND student_id = :studentId")
-    fun load(semesterId: Int, studentId: Int): Maybe<List<Grade>>
+    fun loadAll(semesterId: Int, studentId: Int): Maybe<List<Grade>>
 
     @Query("SELECT * FROM Grades WHERE is_read = 0 AND semester_id = :semesterId AND student_id = :studentId")
-    fun loadNew(semesterId: Int, studentId: Int): Maybe<List<Grade>>
+    fun loadAllNew(semesterId: Int, studentId: Int): Maybe<List<Grade>>
 }

app/src/main/java/io/github/wulkanowy/data/db/dao/GradeSummaryDao.kt

@@ -19,5 +19,5 @@ interface GradeSummaryDao {
     fun deleteAll(gradesSummary: List<GradeSummary>)
 
     @Query("SELECT * FROM grades_summary WHERE student_id = :studentId AND semester_id = :semesterId")
-    fun load(semesterId: Int, studentId: Int): Maybe<List<GradeSummary>>
+    fun loadAll(semesterId: Int, studentId: Int): Maybe<List<GradeSummary>>
 }

app/src/main/java/io/github/wulkanowy/data/db/dao/HomeworkDao.kt

@@ -20,5 +20,5 @@ interface HomeworkDao {
     fun deleteAll(homework: List<Homework>)
 
     @Query("SELECT * FROM Homework WHERE semester_id = :semesterId AND student_id = :studentId AND date = :date")
-    fun load(semesterId: Int, studentId: Int, date: LocalDate): Maybe<List<Homework>>
+    fun loadAll(semesterId: Int, studentId: Int, date: LocalDate): Maybe<List<Homework>>
 }

app/src/main/java/io/github/wulkanowy/data/db/dao/NoteDao.kt

@@ -26,7 +26,7 @@ interface NoteDao {
     fun deleteAll(notes: List<Note>)
 
     @Query("SELECT * FROM Notes WHERE semester_id = :semesterId AND student_id = :studentId")
-    fun load(semesterId: Int, studentId: Int): Maybe<List<Note>>
+    fun loadAll(semesterId: Int, studentId: Int): Maybe<List<Note>>
 
     @Query("SELECT * FROM Notes WHERE is_read = 0 AND semester_id = :semesterId AND student_id = :studentId")
     fun loadNew(semesterId: Int, studentId: Int): Maybe<List<Note>>

app/src/main/java/io/github/wulkanowy/data/db/dao/SemesterDao.kt

@@ -16,7 +16,7 @@ interface SemesterDao {
     fun insertAll(semester: List<Semester>)
 
     @Query("SELECT * FROM Semesters WHERE student_id = :studentId")
-    fun load(studentId: Int): Maybe<List<Semester>>
+    fun loadAll(studentId: Int): Maybe<List<Semester>>
 
     @Query("UPDATE Semesters SET is_current = 1 WHERE semester_id = :semesterId AND diary_id = :diaryId")
     fun updateCurrent(semesterId: Int, diaryId: Int)

app/src/main/java/io/github/wulkanowy/data/db/dao/SubjectDao.kt

@@ -0,0 +1,21 @@
+package io.github.wulkanowy.data.db.dao
+
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.Query
+import io.github.wulkanowy.data.db.entities.Subject
+import io.reactivex.Maybe
+
+@Dao
+interface SubjectDao {
+
+    @Insert
+    fun insertAll(subjects: List<Subject>): List<Long>
+
+    @Delete
+    fun deleteAll(subjects: List<Subject>)
+
+    @Query("SELECT * FROM Subjects WHERE diary_id = :diaryId AND student_id = :studentId")
+    fun loadAll(diaryId: Int, studentId: Int): Maybe<List<Subject>>
+}

app/src/main/java/io/github/wulkanowy/data/db/dao/TimetableDao.kt

@@ -20,5 +20,5 @@ interface TimetableDao {
     fun deleteAll(exams: List<Timetable>)
 
     @Query("SELECT * FROM Timetable WHERE diary_id = :diaryId AND student_id = :studentId AND date >= :from AND date <= :end")
-    fun load(diaryId: Int, studentId: Int, from: LocalDate, end: LocalDate): Maybe<List<Timetable>>
+    fun loadAll(diaryId: Int, studentId: Int, from: LocalDate, end: LocalDate): Maybe<List<Timetable>>
 }

app/src/main/java/io/github/wulkanowy/data/db/entities/Attendance.kt

@@ -9,31 +9,31 @@ import java.io.Serializable
 @Entity(tableName = "Attendance")
 data class Attendance(
 
-        @ColumnInfo(name = "student_id")
+    @ColumnInfo(name = "student_id")
-        var studentId: Int,
+    var studentId: Int,
 
-        @ColumnInfo(name = "diary_id")
+    @ColumnInfo(name = "diary_id")
-        var diaryId: Int,
+    var diaryId: Int,
 
-        var date: LocalDate,
+    var date: LocalDate,
 
-        var number: Int,
+    var number: Int,
 
-        var subject: String,
+    var subject: String,
 
-        var name: String,
+    var name: String,
 
-        var presence: Boolean = false,
+    var presence: Boolean = false,
 
-        var absence: Boolean = false,
+    var absence: Boolean = false,
 
-        var exemption: Boolean = false,
+    var exemption: Boolean = false,
 
-        var lateness: Boolean = false,
+    var lateness: Boolean = false,
 
-        var excused: Boolean = false,
+    var excused: Boolean = false,
 
-        var deleted: Boolean = false
+    var deleted: Boolean = false
 ) : Serializable {
 
     @PrimaryKey(autoGenerate = true)

app/src/main/java/io/github/wulkanowy/data/db/entities/AttendanceSummary.kt

@@ -0,0 +1,43 @@
+package io.github.wulkanowy.data.db.entities
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+import org.threeten.bp.Month
+import java.io.Serializable
+
+@Entity(tableName = "AttendanceSummary")
+data class AttendanceSummary(
+
+    @ColumnInfo(name = "student_id")
+    var studentId: Int,
+
+    @ColumnInfo(name = "diary_id")
+    var diaryId: Int,
+
+    @ColumnInfo(name = "subject_id")
+    var subjectId: Int = 0,
+
+    val month: Month,
+
+    val presence: Int,
+
+    val absence: Int,
+
+    @ColumnInfo(name = "absence_excused")
+    val absenceExcused: Int,
+
+    @ColumnInfo(name = "absence_for_school_reasons")
+    val absenceForSchoolReasons: Int,
+
+    val lateness: Int,
+
+    @ColumnInfo(name = "lateness_excused")
+    val latenessExcused: Int,
+
+    val exemption: Int
+) : Serializable {
+
+    @PrimaryKey(autoGenerate = true)
+    var id: Long = 0
+}

app/src/main/java/io/github/wulkanowy/data/db/entities/Subject.kt

@@ -0,0 +1,25 @@
+package io.github.wulkanowy.data.db.entities
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+import java.io.Serializable
+
+@Entity(tableName = "Subjects")
+data class Subject(
+
+    @ColumnInfo(name = "student_id")
+    var studentId: Int,
+
+    @ColumnInfo(name = "diary_id")
+    var diaryId: Int,
+
+    @ColumnInfo(name = "real_id")
+    var realId: Int,
+
+    var name: String
+) : Serializable {
+
+    @PrimaryKey(autoGenerate = true)
+    var id: Long = 0
+}

app/src/main/java/io/github/wulkanowy/data/repositories/AttendanceRepository.kt

@@ -16,30 +16,30 @@ import javax.inject.Singleton
 
 @Singleton
 class AttendanceRepository @Inject constructor(
-        private val settings: InternetObservingSettings,
+    private val settings: InternetObservingSettings,
-        private val local: AttendanceLocal,
+    private val local: AttendanceLocal,
-        private val remote: AttendanceRemote
+    private val remote: AttendanceRemote
 ) {
 
     fun getAttendance(semester: Semester, startDate: LocalDate, endDate: LocalDate, forceRefresh: Boolean)
-            : Single<List<Attendance>> {
+        : Single<List<Attendance>> {
         return Single.fromCallable { startDate.monday to endDate.friday }
-                .flatMap { dates ->
+            .flatMap { dates ->
-                    local.getAttendance(semester, dates.first, dates.second).filter { !forceRefresh }
+                local.getAttendance(semester, dates.first, dates.second).filter { !forceRefresh }
-                            .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings).flatMap {
+                    .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings).flatMap {
-                                if (it) remote.getAttendance(semester, dates.first, dates.second)
+                        if (it) remote.getAttendance(semester, dates.first, dates.second)
-                                else Single.error(UnknownHostException())
+                        else Single.error(UnknownHostException())
-                            }.flatMap { newAttendance ->
+                    }.flatMap { newAttendance ->
-                                local.getAttendance(semester, dates.first, dates.second)
+                        local.getAttendance(semester, dates.first, dates.second)
-                                        .toSingle(emptyList())
+                            .toSingle(emptyList())
-                                        .doOnSuccess { oldAttendance ->
+                            .doOnSuccess { oldAttendance ->
-                                            local.deleteAttendance(oldAttendance - newAttendance)
+                                local.deleteAttendance(oldAttendance - newAttendance)
-                                            local.saveAttendance(newAttendance - oldAttendance)
+                                local.saveAttendance(newAttendance - oldAttendance)
-                                        }
+                            }
-                            }.flatMap {
+                    }.flatMap {
-                                local.getAttendance(semester, dates.first, dates.second)
+                        local.getAttendance(semester, dates.first, dates.second)
-                                        .toSingle(emptyList())
+                            .toSingle(emptyList())
-                            }).map { list -> list.filter { it.date in startDate..endDate } }
+                    }).map { list -> list.filter { it.date in startDate..endDate } }
-                }
+            }
     }
 }

app/src/main/java/io/github/wulkanowy/data/repositories/AttendanceSummaryRepository.kt

@@ -0,0 +1,35 @@
+package io.github.wulkanowy.data.repositories
+
+import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
+import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
+import io.github.wulkanowy.data.db.entities.AttendanceSummary
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.repositories.local.AttendanceSummaryLocal
+import io.github.wulkanowy.data.repositories.remote.AttendanceSummaryRemote
+import io.reactivex.Single
+import java.net.UnknownHostException
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class AttendanceSummaryRepository @Inject constructor(
+    private val settings: InternetObservingSettings,
+    private val local: AttendanceSummaryLocal,
+    private val remote: AttendanceSummaryRemote
+) {
+
+    fun getAttendanceSummary(semester: Semester, subjectId: Int, forceRefresh: Boolean = false): Single<List<AttendanceSummary>>? {
+        return local.getAttendanceSummary(semester, subjectId).filter { !forceRefresh }
+            .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
+                .flatMap {
+                    if (it) remote.getAttendanceSummary(semester, subjectId)
+                    else Single.error(UnknownHostException())
+                }.flatMap { new ->
+                    local.getAttendanceSummary(semester, subjectId).toSingle(emptyList())
+                        .doOnSuccess { old ->
+                            local.deleteAttendanceSummary(old - new)
+                            local.saveAttendanceSummary(new - old)
+                        }
+                }.flatMap { local.getAttendanceSummary(semester, subjectId).toSingle(emptyList()) })
+    }
+}

app/src/main/java/io/github/wulkanowy/data/repositories/GradeSummaryRepository.kt

@@ -13,23 +13,23 @@ import javax.inject.Singleton
 
 @Singleton
 class GradeSummaryRepository @Inject constructor(
-        private val settings: InternetObservingSettings,
+    private val settings: InternetObservingSettings,
-        private val local: GradeSummaryLocal,
+    private val local: GradeSummaryLocal,
-        private val remote: GradeSummaryRemote
+    private val remote: GradeSummaryRemote
 ) {
 
     fun getGradesSummary(semester: Semester, forceRefresh: Boolean = false): Single<List<GradeSummary>> {
         return local.getGradesSummary(semester).filter { !forceRefresh }
-                .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
+            .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
-                        .flatMap {
+                .flatMap {
-                            if (it) remote.getGradeSummary(semester)
+                    if (it) remote.getGradeSummary(semester)
-                            else Single.error(UnknownHostException())
+                    else Single.error(UnknownHostException())
-                        }.flatMap { newGradesSummary ->
+                }.flatMap { newGradesSummary ->
-                            local.getGradesSummary(semester).toSingle(emptyList())
+                    local.getGradesSummary(semester).toSingle(emptyList())
-                                    .doOnSuccess { oldGradesSummary ->
+                        .doOnSuccess { oldGradesSummary ->
-                                        local.deleteGradesSummary(oldGradesSummary - newGradesSummary)
+                            local.deleteGradesSummary(oldGradesSummary - newGradesSummary)
-                                        local.saveGradesSummary(newGradesSummary - oldGradesSummary)
+                            local.saveGradesSummary(newGradesSummary - oldGradesSummary)
-                                    }
+                        }
-                        }.flatMap { local.getGradesSummary(semester).toSingle(emptyList()) })
+                }.flatMap { local.getGradesSummary(semester).toSingle(emptyList()) })
     }
 }

app/src/main/java/io/github/wulkanowy/data/repositories/SubjectRepostory.kt

@@ -0,0 +1,38 @@
+package io.github.wulkanowy.data.repositories
+
+import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
+import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Subject
+import io.github.wulkanowy.data.repositories.local.SubjectLocal
+import io.github.wulkanowy.data.repositories.remote.SubjectRemote
+import io.reactivex.Single
+import java.net.UnknownHostException
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class SubjectRepostory @Inject constructor(
+    private val settings: InternetObservingSettings,
+    private val local: SubjectLocal,
+    private val remote: SubjectRemote
+) {
+
+    fun getSubjects(semester: Semester, forceRefresh: Boolean = false): Single<List<Subject>> {
+        return local.getSubjects(semester).filter { !forceRefresh }
+            .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
+                .flatMap {
+                    if (it) remote.getSubjects(semester)
+                    else Single.error(UnknownHostException())
+                }.flatMap { new ->
+                    local.getSubjects(semester)
+                        .toSingle(emptyList())
+                        .doOnSuccess { old ->
+                            local.deleteSubjects(old - new)
+                            local.saveSubjects(new - old)
+                        }
+                }.flatMap {
+                    local.getSubjects(semester).toSingle(emptyList())
+                })
+    }
+}

app/src/main/java/io/github/wulkanowy/data/repositories/TimetableRepository.kt

@@ -16,31 +16,31 @@ import javax.inject.Singleton
 
 @Singleton
 class TimetableRepository @Inject constructor(
-        private val settings: InternetObservingSettings,
+    private val settings: InternetObservingSettings,
-        private val local: TimetableLocal,
+    private val local: TimetableLocal,
-        private val remote: TimetableRemote
+    private val remote: TimetableRemote
 ) {
 
     fun getTimetable(semester: Semester, startDate: LocalDate, endDate: LocalDate, forceRefresh: Boolean = false)
-            : Single<List<Timetable>> {
+        : Single<List<Timetable>> {
         return Single.fromCallable { startDate.monday to endDate.friday }
-                .flatMap { dates ->
+            .flatMap { dates ->
-                    local.getTimetable(semester, dates.first, dates.second).filter { !forceRefresh }
+                local.getTimetable(semester, dates.first, dates.second).filter { !forceRefresh }
-                            .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
+                    .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
-                                    .flatMap {
+                        .flatMap {
-                                        if (it) remote.getTimetable(semester, dates.first, dates.second)
+                            if (it) remote.getTimetable(semester, dates.first, dates.second)
-                                        else Single.error(UnknownHostException())
+                            else Single.error(UnknownHostException())
-                                    }.flatMap { newTimetable ->
+                        }.flatMap { newTimetable ->
-                                        local.getTimetable(semester, dates.first, dates.second)
+                            local.getTimetable(semester, dates.first, dates.second)
-                                                .toSingle(emptyList())
+                                .toSingle(emptyList())
-                                                .doOnSuccess { oldTimetable ->
+                                .doOnSuccess { oldTimetable ->
-                                                    local.deleteTimetable(oldTimetable - newTimetable)
+                                    local.deleteTimetable(oldTimetable - newTimetable)
-                                                    local.saveTimetable(newTimetable - oldTimetable)
+                                    local.saveTimetable(newTimetable - oldTimetable)
-                                                }
+                                }
-                                    }.flatMap {
+                        }.flatMap {
-                                        local.getTimetable(semester, dates.first, dates.second)
+                            local.getTimetable(semester, dates.first, dates.second)
-                                                .toSingle(emptyList())
+                                .toSingle(emptyList())
-                                    }).map { list -> list.filter { it.date in startDate..endDate } }
+                        }).map { list -> list.filter { it.date in startDate..endDate } }
-                }
+            }
     }
 }

app/src/main/java/io/github/wulkanowy/data/repositories/local/AttendanceLocal.kt

@@ -10,7 +10,7 @@ import javax.inject.Inject
 class AttendanceLocal @Inject constructor(private val attendanceDb: AttendanceDao) {
 
     fun getAttendance(semester: Semester, startDate: LocalDate, endDate: LocalDate): Maybe<List<Attendance>> {
-        return attendanceDb.load(semester.diaryId, semester.studentId, startDate, endDate)
+        return attendanceDb.loadAll(semester.diaryId, semester.studentId, startDate, endDate)
                 .filter { !it.isEmpty() }
     }
 

app/src/main/java/io/github/wulkanowy/data/repositories/local/AttendanceSummaryLocal.kt

@@ -0,0 +1,22 @@
+package io.github.wulkanowy.data.repositories.local
+
+import io.github.wulkanowy.data.db.dao.AttendanceSummaryDao
+import io.github.wulkanowy.data.db.entities.AttendanceSummary
+import io.github.wulkanowy.data.db.entities.Semester
+import io.reactivex.Maybe
+import javax.inject.Inject
+
+class AttendanceSummaryLocal @Inject constructor(private val attendanceDb: AttendanceSummaryDao) {
+
+    fun getAttendanceSummary(semester: Semester, subjectId: Int): Maybe<List<AttendanceSummary>> {
+        return attendanceDb.loadAll(semester.diaryId, semester.studentId, subjectId).filter { !it.isEmpty() }
+    }
+
+    fun saveAttendanceSummary(attendance: List<AttendanceSummary>) {
+        attendanceDb.insertAll(attendance)
+    }
+
+    fun deleteAttendanceSummary(attendance: List<AttendanceSummary>) {
+        attendanceDb.deleteAll(attendance)
+    }
+}

app/src/main/java/io/github/wulkanowy/data/repositories/local/ExamLocal.kt

@@ -10,7 +10,7 @@ import javax.inject.Inject
 class ExamLocal @Inject constructor(private val examDb: ExamDao) {
 
     fun getExams(semester: Semester, startDate: LocalDate, endDate: LocalDate): Maybe<List<Exam>> {
-        return examDb.load(semester.diaryId, semester.studentId, startDate, endDate)
+        return examDb.loadAll(semester.diaryId, semester.studentId, startDate, endDate)
                 .filter { !it.isEmpty() }
     }
 

app/src/main/java/io/github/wulkanowy/data/repositories/local/GradeLocal.kt

@@ -12,11 +12,11 @@ import javax.inject.Singleton
 class GradeLocal @Inject constructor(private val gradeDb: GradeDao) {
 
     fun getGrades(semester: Semester): Maybe<List<Grade>> {
-        return gradeDb.load(semester.semesterId, semester.studentId).filter { !it.isEmpty() }
+        return gradeDb.loadAll(semester.semesterId, semester.studentId).filter { !it.isEmpty() }
     }
 
     fun getNewGrades(semester: Semester): Maybe<List<Grade>> {
-        return gradeDb.loadNew(semester.semesterId, semester.studentId)
+        return gradeDb.loadAllNew(semester.semesterId, semester.studentId)
     }
 
     fun saveGrades(grades: List<Grade>) {

app/src/main/java/io/github/wulkanowy/data/repositories/local/GradeSummaryLocal.kt

@@ -11,7 +11,7 @@ import javax.inject.Singleton
 class GradeSummaryLocal @Inject constructor(private val gradeSummaryDb: GradeSummaryDao) {
 
     fun getGradesSummary(semester: Semester): Maybe<List<GradeSummary>> {
-        return gradeSummaryDb.load(semester.semesterId, semester.studentId)
+        return gradeSummaryDb.loadAll(semester.semesterId, semester.studentId)
                 .filter { !it.isEmpty() }
     }
 

app/src/main/java/io/github/wulkanowy/data/repositories/local/HomeworkLocal.kt

@@ -12,7 +12,7 @@ import javax.inject.Singleton
 class HomeworkLocal @Inject constructor(private val homeworkDb: HomeworkDao) {
 
     fun getHomework(semester: Semester, date: LocalDate): Maybe<List<Homework>> {
-        return homeworkDb.load(semester.semesterId, semester.studentId, date).filter { !it.isEmpty() }
+        return homeworkDb.loadAll(semester.semesterId, semester.studentId, date).filter { !it.isEmpty() }
     }
 
     fun saveHomework(homework: List<Homework>) {

app/src/main/java/io/github/wulkanowy/data/repositories/local/NoteLocal.kt

@@ -12,7 +12,7 @@ import javax.inject.Singleton
 class NoteLocal @Inject constructor(private val noteDb: NoteDao) {
 
     fun getNotes(semester: Semester): Maybe<List<Note>> {
-        return noteDb.load(semester.semesterId, semester.studentId).filter { !it.isEmpty() }
+        return noteDb.loadAll(semester.semesterId, semester.studentId).filter { !it.isEmpty() }
     }
 
     fun getNewNotes(semester: Semester): Maybe<List<Note>> {

app/src/main/java/io/github/wulkanowy/data/repositories/local/SemesterLocal.kt

@@ -15,7 +15,7 @@ class SemesterLocal @Inject constructor(private val semesterDb: SemesterDao) {
     }
 
     fun getSemesters(student: Student): Maybe<List<Semester>> {
-        return semesterDb.load(student.studentId).filter { !it.isEmpty() }
+        return semesterDb.loadAll(student.studentId).filter { !it.isEmpty() }
     }
 
     fun setCurrentSemester(semester: Semester) {

app/src/main/java/io/github/wulkanowy/data/repositories/local/SubjectLocal.kt

@@ -0,0 +1,25 @@
+package io.github.wulkanowy.data.repositories.local
+
+import io.github.wulkanowy.data.db.dao.SubjectDao
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Subject
+import io.reactivex.Maybe
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class SubjectLocal @Inject constructor(private val subjectDao: SubjectDao) {
+
+    fun getSubjects(semester: Semester): Maybe<List<Subject>> {
+        return subjectDao.loadAll(semester.diaryId, semester.studentId)
+            .filter { !it.isEmpty() }
+    }
+
+    fun saveSubjects(subjects: List<Subject>) {
+        subjectDao.insertAll(subjects)
+    }
+
+    fun deleteSubjects(subjects: List<Subject>) {
+        subjectDao.deleteAll(subjects)
+    }
+}

app/src/main/java/io/github/wulkanowy/data/repositories/local/TimetableLocal.kt

@@ -10,7 +10,7 @@ import javax.inject.Inject
 class TimetableLocal @Inject constructor(private val timetableDb: TimetableDao) {
 
     fun getTimetable(semester: Semester, startDate: LocalDate, endDate: LocalDate): Maybe<List<Timetable>> {
-        return timetableDb.load(semester.diaryId, semester.studentId, startDate, endDate)
+        return timetableDb.loadAll(semester.diaryId, semester.studentId, startDate, endDate)
             .filter { !it.isEmpty() }
     }
 

app/src/main/java/io/github/wulkanowy/data/repositories/remote/AttendanceRemote.kt

@@ -7,7 +7,9 @@ import io.github.wulkanowy.utils.toLocalDate
 import io.reactivex.Single
 import org.threeten.bp.LocalDate
 import javax.inject.Inject
+import javax.inject.Singleton
 
+@Singleton
 class AttendanceRemote @Inject constructor(private val api: Api) {
 
     fun getAttendance(semester: Semester, startDate: LocalDate, endDate: LocalDate): Single<List<Attendance>> {

app/src/main/java/io/github/wulkanowy/data/repositories/remote/AttendanceSummaryRemote.kt

@@ -0,0 +1,33 @@
+package io.github.wulkanowy.data.repositories.remote
+
+import io.github.wulkanowy.api.Api
+import io.github.wulkanowy.data.db.entities.AttendanceSummary
+import io.github.wulkanowy.data.db.entities.Semester
+import io.reactivex.Single
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class AttendanceSummaryRemote @Inject constructor(private val api: Api) {
+
+    fun getAttendanceSummary(semester: Semester, subjectId: Int): Single<List<AttendanceSummary>> {
+        return Single.just(api.apply { diaryId = semester.diaryId })
+            .flatMap { api.getAttendanceSummary(subjectId) }.map { attendance ->
+                attendance.map {
+                    AttendanceSummary(
+                        studentId = semester.studentId,
+                        diaryId = semester.diaryId,
+                        subjectId = subjectId,
+                        month = it.month,
+                        presence = it.presence,
+                        absence = it.absence,
+                        absenceExcused = it.absenceExcused,
+                        absenceForSchoolReasons = it.absenceForSchoolReasons,
+                        lateness = it.lateness,
+                        latenessExcused = it.latenessExcused,
+                        exemption = it.exemption
+                    )
+                }
+            }
+    }
+}

app/src/main/java/io/github/wulkanowy/data/repositories/remote/SubjectRemote.kt

@@ -0,0 +1,27 @@
+package io.github.wulkanowy.data.repositories.remote
+
+import io.github.wulkanowy.api.Api
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Subject
+import io.reactivex.Single
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class SubjectRemote @Inject constructor(private val api: Api) {
+
+    fun getSubjects(semester: Semester): Single<List<Subject>> {
+        return Single.just(api.apply { diaryId = semester.diaryId })
+            .flatMap { api.getSubjects() }
+            .map { subjects ->
+                subjects.map {
+                    Subject(
+                        studentId = semester.studentId,
+                        diaryId = semester.diaryId,
+                        name = it.name,
+                        realId = it.value
+                    )
+                }
+            }
+    }
+}

app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceFragment.kt

@@ -2,6 +2,9 @@ package io.github.wulkanowy.ui.modules.attendance
 
 import android.os.Bundle
 import android.view.LayoutInflater
+import android.view.Menu
+import android.view.MenuInflater
+import android.view.MenuItem
 import android.view.View
 import android.view.ViewGroup
 import eu.davidea.flexibleadapter.FlexibleAdapter
@@ -10,6 +13,8 @@ import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
 import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.entities.Attendance
 import io.github.wulkanowy.ui.base.BaseFragment
+import io.github.wulkanowy.ui.modules.attendance.summary.AttendanceSummaryFragment
+import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
 import io.github.wulkanowy.utils.setOnItemClickListener
 import kotlinx.android.synthetic.main.fragment_attendance.*
@@ -35,6 +40,14 @@ class AttendanceFragment : BaseFragment(), AttendanceView, MainView.MainChildVie
     override val isViewEmpty: Boolean
         get() = attendanceAdapter.isEmpty
 
+    override val currentStackSize: Int?
+        get() = (activity as? MainActivity)?.currentStackSize
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setHasOptionsMenu(true)
+    }
+
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
         return inflater.inflate(R.layout.fragment_attendance, container, false)
     }
@@ -59,6 +72,15 @@ class AttendanceFragment : BaseFragment(), AttendanceView, MainView.MainChildVie
         attendanceNextButton.setOnClickListener { presenter.onNextDay() }
     }
 
+    override fun onCreateOptionsMenu(menu: Menu?, inflater: MenuInflater?) {
+        inflater?.inflate(R.menu.action_menu_attendance, menu)
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem?): Boolean {
+        return if (item?.itemId == R.id.attendanceMenuSummary) presenter.onSummarySwitchSelected()
+        else false
+    }
+
     override fun updateData(data: List<AttendanceItem>) {
         attendanceAdapter.updateDataSet(data, true)
     }
@@ -72,13 +94,17 @@ class AttendanceFragment : BaseFragment(), AttendanceView, MainView.MainChildVie
     }
 
     override fun resetView() {
-        attendanceAdapter.smoothScrollToPosition(0)
+        attendanceRecycler.smoothScrollToPosition(0)
     }
 
     override fun onFragmentReselected() {
         presenter.onViewReselected()
     }
 
+    override fun popView() {
+        (activity as? MainActivity)?.popView()
+    }
+
     override fun showEmpty(show: Boolean) {
         attendanceEmpty.visibility = if (show) View.VISIBLE else View.GONE
     }
@@ -107,6 +133,10 @@ class AttendanceFragment : BaseFragment(), AttendanceView, MainView.MainChildVie
         AttendanceDialog.newInstance(lesson).show(fragmentManager, lesson.toString())
     }
 
+    override fun openSummaryView() {
+        (activity as? MainActivity)?.pushView(AttendanceSummaryFragment.newInstance())
+    }
+
     override fun onSaveInstanceState(outState: Bundle) {
         super.onSaveInstanceState(outState)
         outState.putLong(SAVED_DATE_KEY, presenter.currentDate.toEpochDay())

app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendancePresenter.kt

@@ -56,11 +56,15 @@ class AttendancePresenter @Inject constructor(
     }
 
     fun onViewReselected() {
-        now().previousOrSameSchoolDay.also {
+        view?.also { view ->
-            if (currentDate != it) {
+            if (view.currentStackSize == 1) {
-                loadData(it)
+                now().previousOrSameSchoolDay.also {
-                reloadView()
+                    if (currentDate != it) {
-            } else view?.resetView()
+                        loadData(it)
+                        reloadView()
+                    } else if (!view.isViewEmpty) view.resetView()
+                }
+            } else view.popView()
         }
     }
 
@@ -68,6 +72,11 @@ class AttendancePresenter @Inject constructor(
         if (item is AttendanceItem) view?.showAttendanceDialog(item.attendance)
     }
 
+    fun onSummarySwitchSelected(): Boolean {
+        view?.openSummaryView()
+        return true
+    }
+
     private fun loadData(date: LocalDate, forceRefresh: Boolean = false) {
         currentDate = date
         disposable.apply {

app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceView.kt

@@ -7,6 +7,8 @@ interface AttendanceView : BaseView {
 
     val isViewEmpty: Boolean
 
+    val currentStackSize: Int?
+
     fun initView()
 
     fun updateData(data: List<AttendanceItem>)
@@ -30,4 +32,8 @@ interface AttendanceView : BaseView {
     fun showNextButton(show: Boolean)
 
     fun showAttendanceDialog(lesson: Attendance)
+
+    fun openSummaryView()
+
+    fun popView()
 }

app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryFragment.kt

@@ -0,0 +1,120 @@
+package io.github.wulkanowy.ui.modules.attendance.summary
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.View.GONE
+import android.view.View.VISIBLE
+import android.view.ViewGroup
+import android.widget.ArrayAdapter
+import android.widget.TextView
+import eu.davidea.flexibleadapter.FlexibleAdapter
+import eu.davidea.flexibleadapter.common.SmoothScrollLinearLayoutManager
+import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import io.github.wulkanowy.R
+import io.github.wulkanowy.ui.base.BaseFragment
+import io.github.wulkanowy.ui.modules.main.MainView
+import io.github.wulkanowy.utils.setOnItemSelectedListener
+import kotlinx.android.synthetic.main.fragment_attendance_summary.*
+import javax.inject.Inject
+
+class AttendanceSummaryFragment : BaseFragment(), AttendanceSummaryView, MainView.TitledView {
+
+    @Inject
+    lateinit var presenter: AttendanceSummaryPresenter
+
+    @Inject
+    lateinit var attendanceSummaryAdapter: FlexibleAdapter<AbstractFlexibleItem<*>>
+
+    private lateinit var subjectsAdapter: ArrayAdapter<String>
+
+    companion object {
+        private const val SAVED_SUBJECT_KEY = "CURRENT_SUBJECT"
+
+        fun newInstance() = AttendanceSummaryFragment()
+    }
+
+    override val titleStringId: Int
+        get() = R.string.attendance_title
+
+    override val isViewEmpty
+        get() = attendanceSummaryAdapter.isEmpty
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        return inflater.inflate(R.layout.fragment_attendance_summary, container, false)
+    }
+
+    override fun onActivityCreated(savedInstanceState: Bundle?) {
+        super.onActivityCreated(savedInstanceState)
+        messageContainer = attendanceSummaryRecycler
+        presenter.onAttachView(this, savedInstanceState?.getInt(SAVED_SUBJECT_KEY))
+    }
+
+    override fun initView() {
+        attendanceSummaryRecycler.run {
+            layoutManager = SmoothScrollLinearLayoutManager(context)
+            adapter = attendanceSummaryAdapter
+        }
+        attendanceSummarySwipe.setOnRefreshListener { presenter.onSwipeRefresh() }
+
+        context?.let {
+            subjectsAdapter = ArrayAdapter(it, android.R.layout.simple_spinner_item, ArrayList<String>())
+            subjectsAdapter.setDropDownViewResource(R.layout.item_attendance_summary_subject)
+        }
+
+        attendanceSummarySubjects.run {
+            adapter = subjectsAdapter
+            setOnItemSelectedListener { presenter.onSubjectSelected((it as TextView).text.toString()) }
+        }
+    }
+
+    override fun updateSubjects(data: ArrayList<String>) {
+        subjectsAdapter.run {
+            clear()
+            addAll(data)
+            notifyDataSetChanged()
+        }
+    }
+
+    override fun updateDataSet(data: List<AttendanceSummaryItem>, header: AttendanceSummaryScrollableHeader) {
+        attendanceSummaryAdapter.apply {
+            updateDataSet(data, true)
+            removeAllScrollableHeaders()
+            addScrollableHeader(header)
+        }
+    }
+
+    override fun clearView() {
+        attendanceSummaryAdapter.clear()
+    }
+
+    override fun showEmpty(show: Boolean) {
+        attendanceSummaryEmpty.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun showProgress(show: Boolean) {
+        attendanceSummaryProgress.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun showContent(show: Boolean) {
+        attendanceSummaryRecycler.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun showSubjects(show: Boolean) {
+        attendanceSummarySubjects.visibility = if (show) VISIBLE else VISIBLE
+    }
+
+    override fun hideRefresh() {
+        attendanceSummarySwipe.isRefreshing = false
+    }
+
+    override fun onSaveInstanceState(outState: Bundle) {
+        super.onSaveInstanceState(outState)
+        outState.putInt(SAVED_SUBJECT_KEY, presenter.currentSubjectId)
+    }
+
+    override fun onDestroyView() {
+        super.onDestroyView()
+        presenter.onDetachView()
+    }
+}

app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryItem.kt

@@ -0,0 +1,82 @@
+package io.github.wulkanowy.ui.modules.attendance.summary
+
+import android.view.View
+import eu.davidea.flexibleadapter.FlexibleAdapter
+import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import eu.davidea.flexibleadapter.items.IFlexible
+import eu.davidea.viewholders.FlexibleViewHolder
+import io.github.wulkanowy.R
+import kotlinx.android.extensions.LayoutContainer
+import kotlinx.android.synthetic.main.item_attendance_summary.*
+
+class AttendanceSummaryItem(
+    private val month: String,
+    private val percentage: String,
+    private val present: String,
+    private val absence: String,
+    private val excusedAbsence: String,
+    private val schoolAbsence: String,
+    private val exemption: String,
+    private val lateness: String,
+    private val excusedLateness: String
+) : AbstractFlexibleItem<AttendanceSummaryItem.ViewHolder>() {
+
+    override fun getLayoutRes() = R.layout.item_attendance_summary
+
+    override fun createViewHolder(view: View?, adapter: FlexibleAdapter<IFlexible<*>>?): ViewHolder {
+        return ViewHolder(view, adapter)
+    }
+
+    override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<*>>?, holder: ViewHolder?, position: Int, payloads: MutableList<Any>?) {
+        holder?.apply {
+            attendanceSummaryMonth.text = month
+            attendanceSummaryPercentage.text = percentage
+            attendanceSummaryPresent.text = present
+            attendanceSummaryAbsenceUnexcused.text = absence
+            attendanceSummaryAbsenceExcused.text = excusedAbsence
+            attendanceSummaryAbsenceSchool.text = schoolAbsence
+            attendanceSummaryExemption.text = exemption
+            attendanceSummaryLatenessUnexcused.text = lateness
+            attendanceSummaryLatenessExcused.text = excusedLateness
+        }
+    }
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+
+        other as AttendanceSummaryItem
+
+        if (month != other.month) return false
+        if (percentage != other.percentage) return false
+        if (present != other.present) return false
+        if (absence != other.absence) return false
+        if (excusedAbsence != other.excusedAbsence) return false
+        if (schoolAbsence != other.schoolAbsence) return false
+        if (exemption != other.exemption) return false
+        if (lateness != other.lateness) return false
+        if (excusedLateness != other.excusedLateness) return false
+
+        return true
+    }
+
+    override fun hashCode(): Int {
+        var result = month.hashCode()
+        result = 31 * result + percentage.hashCode()
+        result = 31 * result + present.hashCode()
+        result = 31 * result + absence.hashCode()
+        result = 31 * result + excusedAbsence.hashCode()
+        result = 31 * result + schoolAbsence.hashCode()
+        result = 31 * result + exemption.hashCode()
+        result = 31 * result + lateness.hashCode()
+        result = 31 * result + excusedLateness.hashCode()
+        return result
+    }
+
+    class ViewHolder(view: View?, adapter: FlexibleAdapter<IFlexible<*>>?) : FlexibleViewHolder(view, adapter),
+        LayoutContainer {
+
+        override val containerView: View?
+            get() = contentView
+    }
+}

app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryPresenter.kt

@@ -0,0 +1,123 @@
+package io.github.wulkanowy.ui.modules.attendance.summary
+
+import io.github.wulkanowy.data.ErrorHandler
+import io.github.wulkanowy.data.db.entities.AttendanceSummary
+import io.github.wulkanowy.data.db.entities.Subject
+import io.github.wulkanowy.data.repositories.AttendanceSummaryRepository
+import io.github.wulkanowy.data.repositories.SemesterRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.data.repositories.SubjectRepostory
+import io.github.wulkanowy.ui.base.BasePresenter
+import io.github.wulkanowy.utils.SchedulersProvider
+import io.github.wulkanowy.utils.calculatePercentage
+import io.github.wulkanowy.utils.getFormattedName
+import io.github.wulkanowy.utils.logEvent
+import java.lang.String.format
+import java.util.Locale.FRANCE
+import java.util.concurrent.TimeUnit.MILLISECONDS
+import javax.inject.Inject
+
+class AttendanceSummaryPresenter @Inject constructor(
+    private val errorHandler: ErrorHandler,
+    private val attendanceSummaryRepository: AttendanceSummaryRepository,
+    private val subjectRepository: SubjectRepostory,
+    private val studentRepository: StudentRepository,
+    private val semesterRepository: SemesterRepository,
+    private val schedulers: SchedulersProvider
+) : BasePresenter<AttendanceSummaryView>(errorHandler) {
+
+    private var subjects = emptyList<Subject>()
+
+    var currentSubjectId = -1
+        private set
+
+    fun onAttachView(view: AttendanceSummaryView, subjectId: Int?) {
+        super.onAttachView(view)
+        view.initView()
+        loadData(subjectId ?: -1)
+        loadSubjects()
+    }
+
+    fun onSwipeRefresh() {
+        loadData(currentSubjectId, true)
+    }
+
+    fun onSubjectSelected(name: String) {
+        view?.run {
+            showContent(false)
+            showProgress(true)
+            clearView()
+        }
+        loadData(subjects.singleOrNull { it.name == name }?.realId ?: -1)
+    }
+
+    private fun loadData(subjectId: Int, forceRefresh: Boolean = false) {
+        currentSubjectId = subjectId
+        disposable.apply {
+            clear()
+            add(studentRepository.getCurrentStudent()
+                .delay(200, MILLISECONDS)
+                .flatMap { semesterRepository.getCurrentSemester(it) }
+                .flatMap { attendanceSummaryRepository.getAttendanceSummary(it, subjectId, forceRefresh) }
+                .map { createAttendanceSummaryItems(it) to AttendanceSummaryScrollableHeader(formatPercentage(it.calculatePercentage())) }
+                .subscribeOn(schedulers.backgroundThread)
+                .observeOn(schedulers.mainThread)
+                .doFinally {
+                    view?.run {
+                        hideRefresh()
+                        showProgress(false)
+                    }
+                }
+                .subscribe({
+                    view?.apply {
+                        showEmpty(it.first.isEmpty())
+                        showContent(it.first.isNotEmpty())
+                        updateDataSet(it.first, it.second)
+                    }
+                    logEvent("Attendance load", mapOf("forceRefresh" to forceRefresh))
+                }) {
+                    view?.run { showEmpty(isViewEmpty) }
+                    errorHandler.dispatch(it)
+                }
+            )
+        }
+    }
+
+    private fun loadSubjects() {
+        disposable.add(studentRepository.getCurrentStudent()
+            .flatMap { semesterRepository.getCurrentSemester(it) }
+            .flatMap { subjectRepository.getSubjects(it) }
+            .doOnSuccess { subjects = it }
+            .map { ArrayList(it.map { subject -> subject.name }) }
+            .subscribeOn(schedulers.backgroundThread)
+            .observeOn(schedulers.mainThread)
+            .subscribe({
+                view?.run {
+                    view?.updateSubjects(it)
+                    showSubjects(true)
+                }
+            }, { errorHandler.dispatch(it) })
+        )
+    }
+
+    private fun createAttendanceSummaryItems(attendanceSummary: List<AttendanceSummary>): List<AttendanceSummaryItem> {
+        return attendanceSummary.sortedByDescending { it.id }.map {
+            AttendanceSummaryItem(
+                month = it.month.getFormattedName(),
+                percentage = formatPercentage(it.calculatePercentage()),
+                present = it.presence.toString(),
+                absence = it.absence.toString(),
+                excusedAbsence = it.absenceExcused.toString(),
+                schoolAbsence = it.absenceForSchoolReasons.toString(),
+                exemption = it.exemption.toString(),
+                lateness = it.lateness.toString(),
+                excusedLateness = it.latenessExcused.toString()
+            )
+        }
+    }
+
+    private fun formatPercentage(percentage: Double): String {
+        return if (percentage == 0.0) "0%"
+        else "${format(FRANCE, "%.2f", percentage)}%"
+    }
+}

app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryScrollableHeader.kt

@@ -0,0 +1,46 @@
+package io.github.wulkanowy.ui.modules.attendance.summary
+
+import android.view.View
+import eu.davidea.flexibleadapter.FlexibleAdapter
+import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import eu.davidea.flexibleadapter.items.IFlexible
+import eu.davidea.viewholders.FlexibleViewHolder
+import io.github.wulkanowy.R
+import kotlinx.android.extensions.LayoutContainer
+import kotlinx.android.synthetic.main.scrollable_header_attendance_summary.*
+
+class AttendanceSummaryScrollableHeader(private val percentage: String) :
+    AbstractFlexibleItem<AttendanceSummaryScrollableHeader.ViewHolder>() {
+
+    override fun getLayoutRes() = R.layout.scrollable_header_attendance_summary
+
+    override fun createViewHolder(view: View?, adapter: FlexibleAdapter<IFlexible<*>>?): ViewHolder {
+        return ViewHolder(view, adapter)
+    }
+
+    override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<*>>?, holder: ViewHolder?, position: Int, payloads: MutableList<Any>?) {
+        holder?.apply { attendanceSummaryScrollableHeaderPercentage.text = percentage }
+    }
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+
+        other as AttendanceSummaryScrollableHeader
+
+        if (percentage != other.percentage) return false
+
+        return true
+    }
+
+    override fun hashCode(): Int {
+        return percentage.hashCode()
+    }
+
+    class ViewHolder(view: View?, adapter: FlexibleAdapter<IFlexible<*>>?) : FlexibleViewHolder(view, adapter),
+        LayoutContainer {
+
+        override val containerView: View?
+            get() = contentView
+    }
+}

app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryView.kt

@@ -0,0 +1,26 @@
+package io.github.wulkanowy.ui.modules.attendance.summary
+
+import io.github.wulkanowy.ui.base.BaseView
+
+interface AttendanceSummaryView : BaseView {
+
+    val isViewEmpty: Boolean
+
+    fun initView()
+
+    fun hideRefresh()
+
+    fun showContent(show: Boolean)
+
+    fun showProgress(show: Boolean)
+
+    fun showEmpty(show: Boolean)
+
+    fun updateDataSet(data: List<AttendanceSummaryItem>, header: AttendanceSummaryScrollableHeader)
+
+    fun updateSubjects(data: ArrayList<String>)
+
+    fun showSubjects(show: Boolean)
+
+    fun clearView()
+}

app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamFragment.kt

@@ -78,7 +78,7 @@ class ExamFragment : BaseFragment(), ExamView, MainView.MainChildView, MainView.
     }
 
     override fun resetView() {
-        examAdapter.smoothScrollToPosition(0)
+        examRecycler.scrollToPosition(0)
     }
 
     override fun onFragmentReselected() {

app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamPresenter.kt

@@ -63,8 +63,7 @@ class ExamPresenter @Inject constructor(
             if (currentDate != it) {
                 loadData(it)
                 reloadView()
-                view?.resetView()
+            } else if (view?.isViewEmpty == false) view?.resetView()
-            } else view?.resetView()
         }
     }
 

app/src/main/java/io/github/wulkanowy/ui/modules/grade/summary/GradeSummaryItem.kt

@@ -6,11 +6,12 @@ import eu.davidea.flexibleadapter.items.AbstractSectionableItem
 import eu.davidea.flexibleadapter.items.IFlexible
 import eu.davidea.viewholders.FlexibleViewHolder
 import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.GradeSummary
 import kotlinx.android.extensions.LayoutContainer
 import kotlinx.android.synthetic.main.item_grade_summary.*
 
-class GradeSummaryItem(header: GradeSummaryHeader, private val grade: String, private val title: String)
+class GradeSummaryItem(header: GradeSummaryHeader, private val grade: String, private val title: String) :
-    : AbstractSectionableItem<GradeSummaryItem.ViewHolder, GradeSummaryHeader>(header) {
+    AbstractSectionableItem<GradeSummaryItem.ViewHolder, GradeSummaryHeader>(header) {
 
     override fun getLayoutRes() = R.layout.item_grade_summary
 
@@ -18,8 +19,10 @@ class GradeSummaryItem(header: GradeSummaryHeader, private val grade: String, pr
         return ViewHolder(view, adapter)
     }
 
-    override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<*>>?, holder: ViewHolder?,
+    override fun bindViewHolder(
-                                position: Int, payloads: MutableList<Any>?) {
+        adapter: FlexibleAdapter<IFlexible<*>>?, holder: ViewHolder?,
+        position: Int, payloads: MutableList<Any>?
+    ) {
         holder?.run {
             gradeSummaryItemGrade.text = grade
             gradeSummaryItemTitle.text = title
@@ -46,9 +49,8 @@ class GradeSummaryItem(header: GradeSummaryHeader, private val grade: String, pr
         return result
     }
 
-
+    class ViewHolder(view: View?, adapter: FlexibleAdapter<IFlexible<*>>?) : FlexibleViewHolder(view, adapter),
-    class ViewHolder(view: View?, adapter: FlexibleAdapter<IFlexible<*>>?)
+        LayoutContainer {
-        : FlexibleViewHolder(view, adapter), LayoutContainer {
 
         override val containerView: View?
             get() = contentView

app/src/main/java/io/github/wulkanowy/ui/modules/main/MainModule.kt

@@ -11,6 +11,7 @@ import io.github.wulkanowy.ui.modules.about.AboutFragment
 import io.github.wulkanowy.ui.modules.about.AboutModule
 import io.github.wulkanowy.ui.modules.account.AccountDialog
 import io.github.wulkanowy.ui.modules.attendance.AttendanceFragment
+import io.github.wulkanowy.ui.modules.attendance.summary.AttendanceSummaryFragment
 import io.github.wulkanowy.ui.modules.exam.ExamFragment
 import io.github.wulkanowy.ui.modules.grade.GradeFragment
 import io.github.wulkanowy.ui.modules.grade.GradeModule
@@ -41,6 +42,10 @@ abstract class MainModule {
     @ContributesAndroidInjector
     abstract fun bindAttendanceFragment(): AttendanceFragment
 
+    @PerFragment
+    @ContributesAndroidInjector
+    abstract fun bindAttendanceSummaryFragment(): AttendanceSummaryFragment
+
     @PerFragment
     @ContributesAndroidInjector
     abstract fun bindExamFragment(): ExamFragment

app/src/main/java/io/github/wulkanowy/ui/modules/more/MoreFragment.kt

@@ -72,7 +72,7 @@ class MoreFragment : BaseFragment(), MoreView, MainView.TitledView, MainView.Mai
         get() {
             return context?.run {
                 getString(R.string.about_title) to
-                    ContextCompat.getDrawable(this, R.drawable.ic_more_about_24dp)
+                    ContextCompat.getDrawable(this, R.drawable.ic_all_about_24dp)
             }
         }
 

app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableFragment.kt

@@ -79,7 +79,7 @@ class TimetableFragment : BaseFragment(), TimetableView, MainView.MainChildView,
     }
 
     override fun resetView() {
-        timetableAdapter.smoothScrollToPosition(0)
+        timetableRecycler.smoothScrollToPosition(0)
     }
 
     override fun onFragmentReselected() {

app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetablePresenter.kt

@@ -58,7 +58,7 @@ class TimetablePresenter @Inject constructor(
             if (currentDate != it) {
                 loadData(it)
                 reloadView()
-            } else view?.resetView()
+            } else if (view?.isViewEmpty == false) view?.resetView()
         }
     }
 

app/src/main/java/io/github/wulkanowy/utils/AttendanceExtension.kt

@@ -0,0 +1,26 @@
+package io.github.wulkanowy.utils
+
+import io.github.wulkanowy.data.db.entities.AttendanceSummary
+
+/**
+ * [UONET+ - Zasady tworzenia podsumowań liczb uczniów obecnych i nieobecnych w tabeli frekwencji]
+ * (https://www.vulcan.edu.pl/vulcang_files/user/AABW/AABW-PDF/uonetplus/uonetplus_Frekwencja-liczby-obecnych-nieobecnych.pdf)
+ */
+
+private inline val AttendanceSummary.allPresences: Double
+    get() = presence.toDouble() + absenceForSchoolReasons + lateness + latenessExcused
+
+private inline val AttendanceSummary.allAbsences: Double
+    get() = absence.toDouble() + absenceExcused
+
+fun AttendanceSummary.calculatePercentage() = calculatePercentage(allPresences, allAbsences)
+
+fun List<AttendanceSummary>.calculatePercentage(): Double {
+    return calculatePercentage(sumByDouble { it.allPresences }, sumByDouble { it.allAbsences })
+}
+
+private fun calculatePercentage(presence: Double, absence: Double): Double {
+    return if ((presence + absence) == 0.0) 0.0 else (presence / (presence + absence)) * 100
+}
+
+

app/src/main/java/io/github/wulkanowy/utils/FabricUtils.kt

@@ -5,6 +5,7 @@ import com.crashlytics.android.answers.CustomEvent
 import com.crashlytics.android.answers.LoginEvent
 import com.crashlytics.android.answers.SignUpEvent
 import timber.log.Timber
+import kotlin.math.min
 
 fun logLogin(method: String) {
     try {
@@ -20,7 +21,7 @@ fun logRegister(message: String, result: Boolean, symbol: String, endpoint: Stri
             .putMethod("Login activity")
             .putSuccess(result)
             .putCustomAttribute("symbol", symbol)
-            .putCustomAttribute("message", message)
+            .putCustomAttribute("message", message.substring(0, min(message.length, 100)))
             .putCustomAttribute("endpoint", endpoint)
         )
     } catch (e: Throwable) {

app/src/main/java/io/github/wulkanowy/utils/SpinnerExtension.kt

@@ -0,0 +1,14 @@
+package io.github.wulkanowy.utils
+
+import android.view.View
+import android.widget.AdapterView
+import android.widget.Spinner
+
+inline fun Spinner.setOnItemSelectedListener(crossinline listener: (view: View?) -> Unit) {
+    onItemSelectedListener = object : AdapterView.OnItemSelectedListener {
+        override fun onNothingSelected(parent: AdapterView<*>?) {}
+        override fun onItemSelected(parent: AdapterView<*>?, view: View?, position: Int, id: Long) {
+            listener(view)
+        }
+    }
+}

app/src/main/java/io/github/wulkanowy/utils/TimeExtension.kt

@@ -1,15 +1,22 @@
 package io.github.wulkanowy.utils
 
-import org.threeten.bp.DateTimeUtils
+import org.threeten.bp.DayOfWeek.FRIDAY
-import org.threeten.bp.DayOfWeek.*
+import org.threeten.bp.DayOfWeek.MONDAY
+import org.threeten.bp.DayOfWeek.SATURDAY
+import org.threeten.bp.DayOfWeek.SUNDAY
 import org.threeten.bp.Instant
 import org.threeten.bp.LocalDate
 import org.threeten.bp.LocalDateTime
+import org.threeten.bp.Month
 import org.threeten.bp.ZoneId
 import org.threeten.bp.format.DateTimeFormatter
 import org.threeten.bp.format.DateTimeFormatter.ofPattern
-import org.threeten.bp.temporal.TemporalAdjusters.*
+import org.threeten.bp.format.TextStyle.FULL_STANDALONE
-import java.util.*
+import org.threeten.bp.temporal.TemporalAdjusters.firstInMonth
+import org.threeten.bp.temporal.TemporalAdjusters.next
+import org.threeten.bp.temporal.TemporalAdjusters.previous
+import java.util.Date
+import java.util.Locale
 
 private const val DATE_PATTERN = "dd.MM.yyyy"
 
@@ -29,6 +36,31 @@ fun LocalDate.toFormattedString(format: String = DATE_PATTERN): String = this.fo
 
 fun LocalDateTime.toFormattedString(format: String = DATE_PATTERN): String = this.format(ofPattern(format))
 
+/**
+ * https://github.com/ThreeTen/threetenbp/issues/55
+ */
+
+fun Month.getFormattedName(): String {
+    return getDisplayName(FULL_STANDALONE, Locale.getDefault())
+        .let {
+            when (it) {
+                "stycznia" -> "Styczeń"
+                "lutego" -> "Luty"
+                "marca" -> "Marzec"
+                "kwietnia" -> "Kwiecień"
+                "maja" -> "Maj"
+                "czerwca" -> "Czerwiec"
+                "lipca" -> "Lipiec"
+                "sierpnia" -> "Sierpień"
+                "września" -> "Wrzesień"
+                "października" -> "Październik"
+                "listopada" -> "Listopad"
+                "grudnia" -> "Grudzień"
+                else -> it
+            }
+        }
+}
+
 inline val LocalDate.nextSchoolDay: LocalDate
     get() {
         return when (this.dayOfWeek) {
@@ -73,6 +105,7 @@ inline val LocalDate.friday: LocalDate
 /**
  * [Dz.U. 2016 poz. 1335](http://prawo.sejm.gov.pl/isap.nsf/DocDetails.xsp?id=WDU20160001335)
  */
+
 inline val LocalDate.isHolidays: Boolean
     get() {
         return LocalDate.of(this.year, 9, 1).run {
@@ -82,7 +115,7 @@ inline val LocalDate.isHolidays: Boolean
             }
         }.let { firstSchoolDay ->
             LocalDate.of(this.year, 6, 20)
-                    .with(next(FRIDAY))
+                .with(next(FRIDAY))
-                    .let { lastSchoolDay -> this.isBefore(firstSchoolDay) && this.isAfter(lastSchoolDay) }
+                .let { lastSchoolDay -> this.isBefore(firstSchoolDay) && this.isAfter(lastSchoolDay) }
         }
     }

app/src/main/res/drawable/ic_all_about_24dp.xml

@@ -4,9 +4,9 @@
     android:viewportHeight="24"
     android:viewportWidth="24">
     <path
-        android:fillColor="#000"
+        android:fillColor="#FFFFFFFF"
         android:pathData="M11,7h2v2h-2zM11,11h2v6h-2z" />
     <path
-        android:fillColor="#000"
+        android:fillColor="#FFFFFFFF"
         android:pathData="M12,2a10,10 0,1 0,0 20,10 10,0 0,0 0,-20zM12,20a8,8 0,1 1,0 -16,8 8,0 0,1 0,16z" />
 </vector>

app/src/main/res/layout/fragment_attendance_summary.xml

@@ -0,0 +1,66 @@
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical">
+
+        <androidx.appcompat.widget.AppCompatSpinner
+            android:id="@+id/attendanceSummarySubjects"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:visibility="invisible"
+            android:background="?android:attr/windowBackground"
+            android:elevation="5dp"
+            android:padding="15dp"
+            android:spinnerMode="dialog" />
+
+        <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
+            android:id="@+id/attendanceSummarySwipe"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent">
+
+            <androidx.recyclerview.widget.RecyclerView
+                android:id="@+id/attendanceSummaryRecycler"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent" />
+        </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
+    </LinearLayout>
+
+    <ProgressBar
+        android:id="@+id/attendanceSummaryProgress"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:indeterminate="true" />
+
+    <LinearLayout
+        android:id="@+id/attendanceSummaryEmpty"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:visibility="invisible">
+
+        <androidx.appcompat.widget.AppCompatImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:minWidth="100dp"
+            android:minHeight="100dp"
+            app:srcCompat="@drawable/ic_menu_main_attendance_24dp"
+            app:tint="?android:attr/textColorPrimary"
+            tools:ignore="contentDescription" />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:gravity="center"
+            android:text="@string/attendance_no_items"
+            android:textSize="20sp" />
+    </LinearLayout>
+</FrameLayout>

app/src/main/res/layout/item_attendance_summary.xml

@@ -0,0 +1,252 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:foreground="?attr/colorControlHighlight"
+        android:orientation="horizontal"
+        android:paddingLeft="20dp"
+        android:paddingTop="7dp"
+        android:paddingRight="20dp"
+        android:paddingBottom="7dp">
+
+        <TextView
+            android:id="@+id/attendanceSummaryMonth"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginEnd="40dp"
+            android:layout_marginRight="40dp"
+            android:layout_weight="1"
+            android:text="@string/app_name"
+            android:textSize="17sp" />
+
+        <TextView
+            android:id="@+id/attendanceSummaryPercentage"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:gravity="end"
+            android:text="@string/app_name"
+            android:textSize="12sp" />
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="@drawable/ic_all_divider"
+        android:minHeight="35dp"
+        android:orientation="horizontal">
+
+        <TextView
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginStart="20dp"
+            android:layout_marginLeft="20dp"
+            android:layout_weight="1"
+            android:text="@string/attendance_present"
+            android:textSize="14sp" />
+
+        <TextView
+            android:id="@+id/attendanceSummaryPresent"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginStart="10dp"
+            android:layout_marginLeft="10dp"
+            android:layout_marginEnd="25dp"
+            android:layout_marginRight="25dp"
+            android:gravity="end"
+            android:text="@string/app_name"
+            android:textSize="12sp" />
+    </LinearLayout>
+
+    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="@drawable/ic_all_divider"
+        android:minHeight="35dp"
+        android:orientation="horizontal">
+
+        <TextView
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginStart="20dp"
+            android:layout_marginLeft="20dp"
+            android:layout_weight="1"
+            android:text="@string/attendance_absence_unexcused"
+            android:textSize="14sp" />
+
+        <TextView
+            android:id="@+id/attendanceSummaryAbsenceUnexcused"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginStart="10dp"
+            android:layout_marginLeft="10dp"
+            android:layout_marginEnd="25dp"
+            android:layout_marginRight="25dp"
+            android:gravity="end"
+            android:text="@string/app_name"
+            android:textSize="12sp" />
+    </LinearLayout>
+
+    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="@drawable/ic_all_divider"
+        android:minHeight="35dp"
+        android:orientation="horizontal">
+
+        <TextView
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginStart="20dp"
+            android:layout_marginLeft="20dp"
+            android:layout_weight="1"
+            android:text="@string/attendance_absence_excused"
+            android:textSize="14sp" />
+
+        <TextView
+            android:id="@+id/attendanceSummaryAbsenceExcused"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginStart="10dp"
+            android:layout_marginLeft="10dp"
+            android:layout_marginEnd="25dp"
+            android:layout_marginRight="25dp"
+            android:gravity="end"
+            android:text="@string/app_name"
+            android:textSize="12sp" />
+    </LinearLayout>
+
+    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="@drawable/ic_all_divider"
+        android:minHeight="35dp"
+        android:orientation="horizontal">
+
+        <TextView
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginStart="20dp"
+            android:layout_marginLeft="20dp"
+            android:layout_weight="1"
+            android:text="@string/attendance_absence_school"
+            android:textSize="14sp" />
+
+        <TextView
+            android:id="@+id/attendanceSummaryAbsenceSchool"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginStart="10dp"
+            android:layout_marginLeft="10dp"
+            android:layout_marginEnd="25dp"
+            android:layout_marginRight="25dp"
+            android:gravity="end"
+            android:text="@string/app_name"
+            android:textSize="12sp" />
+    </LinearLayout>
+
+    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="@drawable/ic_all_divider"
+        android:minHeight="35dp"
+        android:orientation="horizontal">
+
+        <TextView
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginStart="20dp"
+            android:layout_marginLeft="20dp"
+            android:layout_weight="1"
+            android:text="@string/attendance_exemption"
+            android:textSize="14sp" />
+
+        <TextView
+            android:id="@+id/attendanceSummaryExemption"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginStart="10dp"
+            android:layout_marginLeft="10dp"
+            android:layout_marginEnd="25dp"
+            android:layout_marginRight="25dp"
+            android:gravity="end"
+            android:text="@string/app_name"
+            android:textSize="12sp" />
+    </LinearLayout>
+
+    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="@drawable/ic_all_divider"
+        android:minHeight="35dp"
+        android:orientation="horizontal">
+
+        <TextView
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginStart="20dp"
+            android:layout_marginLeft="20dp"
+            android:layout_weight="1"
+            android:text="@string/attendance_unexcused_lateness"
+            android:textSize="14sp" />
+
+        <TextView
+            android:id="@+id/attendanceSummaryLatenessUnexcused"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginStart="10dp"
+            android:layout_marginLeft="10dp"
+            android:layout_marginEnd="25dp"
+            android:layout_marginRight="25dp"
+            android:gravity="end"
+            android:text="@string/app_name"
+            android:textSize="12sp" />
+    </LinearLayout>
+
+    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="@drawable/ic_all_divider"
+        android:minHeight="35dp"
+        android:orientation="horizontal">
+
+        <TextView
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginStart="20dp"
+            android:layout_marginLeft="20dp"
+            android:layout_weight="1"
+            android:text="@string/attendance_excused_lateness"
+            android:textSize="14sp" />
+
+        <TextView
+            android:id="@+id/attendanceSummaryLatenessExcused"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginStart="10dp"
+            android:layout_marginLeft="10dp"
+            android:layout_marginEnd="25dp"
+            android:layout_marginRight="25dp"
+            android:gravity="end"
+            android:text="@string/app_name"
+            android:textSize="12sp" />
+    </LinearLayout>
+</LinearLayout>

app/src/main/res/layout/item_attendance_summary_subject.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<TextView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/attendanceSummaryItemSubject"
+    android:layout_width="match_parent"
+    android:layout_height="48dp"
+    android:gravity="start"
+    android:maxLines="1"
+    android:paddingLeft="16dp"
+    android:paddingTop="12dp"
+    android:paddingRight="16dp"
+    android:textAlignment="textStart"
+    android:paddingBottom="12dp"
+    android:text="@string/app_name"
+    android:textSize="16sp" />

app/src/main/res/layout/scrollable_header_attendance_summary.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:layout_marginTop="20dp"
+    android:layout_marginBottom="20dp"
+    android:gravity="center_horizontal"
+    android:orientation="vertical">
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:gravity="center"
+        android:minLines="2"
+        android:text="@string/attendance_title"
+        android:textSize="16sp" />
+
+    <TextView
+        android:id="@+id/attendanceSummaryScrollableHeaderPercentage"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:gravity="center_horizontal"
+        android:text="100%"
+        android:textSize="21sp" />
+</LinearLayout>

app/src/main/res/menu/action_menu_attendance.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/attendanceMenuSummary"
+        android:icon="@drawable/ic_all_about_24dp"
+        android:orderInCategory="1"
+        android:title="@string/grade_switch_semester"
+        app:showAsAction="ifRoom" />
+</menu>

app/src/main/res/menu/action_menu_grade.xml

@@ -1,6 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
-
     <item
         android:id="@+id/gradeMenuSemester"
         android:icon="@drawable/ic_menu_grade_semester_24dp"

app/src/main/res/values-pl/strings.xml

@@ -118,6 +118,8 @@
         <item quantity="many">%1$d nieobecności</item>
     </plurals>
 
+    <!--Attendance summary-->
+    <string name="attendance_summary_final">Frekwencja</string>
 
     <!--Exam-->
     <string name="exam_no_items">Brak sprawdzianów w tym tygodniu</string>

app/src/main/res/values/strings.xml

@@ -108,6 +108,9 @@
         <item quantity="other">%1$d absences</item>
     </plurals>
 
+    <!--Attendance summary-->
+    <string name="attendance_summary_final">Attendance</string>
+
 
     <!--Exam-->
     <string name="exam_no_items">No exams in this week</string>

app/src/test/java/io/github/wulkanowy/utils/TimeExtensionTest.kt

@@ -1,10 +1,13 @@
 package io.github.wulkanowy.utils
 
-import org.junit.Assert.*
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertFalse
+import org.junit.Assert.assertTrue
 import org.junit.Test
 import org.threeten.bp.LocalDate
 import org.threeten.bp.LocalDateTime
-import java.util.*
+import org.threeten.bp.Month.JANUARY
+import java.util.Locale
 
 class TimeExtensionTest {
 
@@ -43,6 +46,14 @@ class TimeExtensionTest {
         assertEquals(LocalDate.of(2018, 10, 12), LocalDate.of(2018, 10, 8).friday)
     }
 
+    @Test
+    fun monthNameTest() {
+        Locale.setDefault(Locale.forLanguageTag("PL"))
+        assertEquals("Styczeń", JANUARY.getFormattedName())
+        Locale.setDefault(Locale.forLanguageTag("US"))
+        assertEquals("January", JANUARY.getFormattedName())
+    }
+
     @Test
     fun weekDayNameTest() {
         Locale.setDefault(Locale.forLanguageTag("PL"))
@@ -74,7 +85,6 @@ class TimeExtensionTest {
         assertEquals(LocalDate.of(2018, 10, 3), LocalDate.of(2018, 10, 4).previousSchoolDay)
     }
 
-
     @Test
     fun nextOrSameSchoolDayTest() {
         assertEquals(LocalDate.of(2018, 9, 28), LocalDate.of(2018, 9, 28).nextOrSameSchoolDay)