github/wulkanowy-mirror
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Fix more than one current semester (#307)

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This commit is contained in:
Mikołaj Pich
2019-03-30 18:28:37 +01:00
committed by Rafał Borcz
parent 4e3864f26f
commit e71dd55066
16 changed files with 2916 additions and 13 deletions
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2
app/src/main/java/io/github/wulkanowy/data/ApiHelper.kt
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@ -14,6 +14,7 @@ class ApiHelper @Inject constructor(private val api: Api) {
symbol = student.symbol
schoolSymbol = student.schoolSymbol
studentId = student.studentId
classId = student.classId
host = URL(student.endpoint).run { host + ":$port".removeSuffix(":-1") }
ssl = student.endpoint.startsWith("https")
loginType = Api.LoginType.valueOf(student.loginType)
@ -28,6 +29,7 @@ class ApiHelper @Inject constructor(private val api: Api) {
this.symbol = symbol
host = URL(endpoint).run { host + ":$port".removeSuffix(":-1") }
ssl = endpoint.startsWith("https")
useNewStudent = true
}
}
}

8
app/src/main/java/io/github/wulkanowy/data/db/AppDatabase.kt
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@ -42,6 +42,7 @@ import io.github.wulkanowy.data.db.entities.Subject
import io.github.wulkanowy.data.db.entities.Timetable
import io.github.wulkanowy.data.db.migrations.Migration10
import io.github.wulkanowy.data.db.migrations.Migration11
import io.github.wulkanowy.data.db.migrations.Migration12
import io.github.wulkanowy.data.db.migrations.Migration2
import io.github.wulkanowy.data.db.migrations.Migration3
import io.github.wulkanowy.data.db.migrations.Migration4
@ -74,13 +75,13 @@ import javax.inject.Singleton
Recipient::class
],
version = AppDatabase.VERSION_SCHEMA,
exportSchema = false
exportSchema = true
)
@TypeConverters(Converters::class)
abstract class AppDatabase : RoomDatabase() {
companion object {
const val VERSION_SCHEMA = 11
const val VERSION_SCHEMA = 12
fun newInstance(context: Context): AppDatabase {
return Room.databaseBuilder(context, AppDatabase::class.java, "wulkanowy_database")
@ -97,7 +98,8 @@ abstract class AppDatabase : RoomDatabase() {
Migration8(),
Migration9(),
Migration10(),
Migration11()
Migration11(),
Migration12()
)
.build()
}

4
app/src/main/java/io/github/wulkanowy/data/db/dao/SemesterDao.kt
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@ -18,6 +18,6 @@ interface SemesterDao {
@Delete
fun deleteAll(semester: List<Semester>)
@Query("SELECT * FROM Semesters WHERE student_id = :studentId")
fun loadAll(studentId: Int): Maybe<List<Semester>>
@Query("SELECT * FROM Semesters WHERE student_id = :studentId AND class_id = :classId")
fun loadAll(studentId: Int, classId: Int): Maybe<List<Semester>>
}

5
app/src/main/java/io/github/wulkanowy/data/db/entities/Student.kt
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@ -7,7 +7,7 @@ import androidx.room.PrimaryKey
import org.threeten.bp.LocalDateTime
import java.io.Serializable
@Entity(tableName = "Students", indices = [Index(value = ["email", "symbol", "student_id", "school_id"], unique = true)])
@Entity(tableName = "Students", indices = [Index(value = ["email", "symbol", "student_id", "school_id", "class_id"], unique = true)])
data class Student(
val endpoint: String,
@ -32,6 +32,9 @@ data class Student(
@ColumnInfo(name = "school_name")
val schoolName: String,
@ColumnInfo(name = "class_id")
val classId: Int,
@ColumnInfo(name = "is_current")
val isCurrent: Boolean,

69
app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration12.kt Normal file
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@ -0,0 +1,69 @@
package io.github.wulkanowy.data.db.migrations
import androidx.room.migration.Migration
import androidx.sqlite.db.SupportSQLiteDatabase
class Migration12 : Migration(11, 12) {
override fun migrate(database: SupportSQLiteDatabase) {
createTempStudentsTable(database)
replaceStudentTable(database)
updateStudentsWithClassId(database, getStudentsIds(database))
removeStudentsWithNoClassId(database)
ensureThereIsOnlyOneCurrentStudent(database)
}
private fun createTempStudentsTable(database: SupportSQLiteDatabase) {
database.execSQL("""
CREATE TABLE IF NOT EXISTS Students_tmp (
id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
endpoint TEXT NOT NULL,
loginType TEXT NOT NULL,
email TEXT NOT NULL,
password TEXT NOT NULL,
symbol TEXT NOT NULL,
student_id INTEGER NOT NULL,
student_name TEXT NOT NULL,
school_id TEXT NOT NULL,
school_name TEXT NOT NULL,
is_current INTEGER NOT NULL,
registration_date INTEGER NOT NULL,
class_id INTEGER NOT NULL
)
""")
database.execSQL("CREATE UNIQUE INDEX index_Students_email_symbol_student_id_school_id_class_id ON Students_tmp (email, symbol, student_id, school_id, class_id)")
}
private fun replaceStudentTable(database: SupportSQLiteDatabase) {
database.execSQL("ALTER TABLE Students ADD COLUMN class_id INTEGER DEFAULT 0 NOT NULL")
database.execSQL("INSERT INTO Students_tmp SELECT * FROM Students")
database.execSQL("DROP TABLE Students")
database.execSQL("ALTER TABLE Students_tmp RENAME TO Students")
}
private fun getStudentsIds(database: SupportSQLiteDatabase): List<Int> {
val students = mutableListOf<Int>()
val studentsCursor = database.query("SELECT student_id FROM Students")
if (studentsCursor.moveToFirst()) {
do {
students.add(studentsCursor.getInt(0))
} while (studentsCursor.moveToNext())
}
return students
}
private fun updateStudentsWithClassId(database: SupportSQLiteDatabase, students: List<Int>) {
students.forEach {
database.execSQL("UPDATE Students SET class_id = IFNULL((SELECT class_id FROM Semesters WHERE student_id = $it), 0) WHERE student_id = $it")
}
}
private fun removeStudentsWithNoClassId(database: SupportSQLiteDatabase) {
database.execSQL("DELETE FROM Students WHERE class_id = 0")
}
private fun ensureThereIsOnlyOneCurrentStudent(database: SupportSQLiteDatabase) {
database.execSQL("UPDATE Students SET is_current = 0")
database.execSQL("UPDATE Students SET is_current = 1 WHERE id = (SELECT MAX(id) FROM Students)")
}
}

2
app/src/main/java/io/github/wulkanowy/data/repositories/semester/SemesterLocal.kt
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@ -19,6 +19,6 @@ class SemesterLocal @Inject constructor(private val semesterDb: SemesterDao) {
}
fun getSemesters(student: Student): Maybe<List<Semester>> {
return semesterDb.loadAll(student.studentId).filter { !it.isEmpty() }
return semesterDb.loadAll(student.studentId, student.classId).filter { !it.isEmpty() }
}
}

1
app/src/main/java/io/github/wulkanowy/data/repositories/student/StudentRemote.kt
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@ -21,6 +21,7 @@ class StudentRemote @Inject constructor(private val api: Api) {
studentName = student.studentName,
schoolSymbol = student.schoolSymbol,
schoolName = student.schoolName,
classId = student.classId,
endpoint = endpoint,
loginType = student.loginType.name,
isCurrent = false,