[UI/Grades] Add "no grade" entity in USOS, count ECTS points by term

app/src/main/java/pl/szczodrzynski/edziennik/data/api/edziennik/usos/data/api/UsosApiExamReports.kt

@@ -12,6 +12,7 @@ import pl.szczodrzynski.edziennik.data.api.edziennik.usos.data.UsosApi
 import pl.szczodrzynski.edziennik.data.api.models.DataRemoveModel
 import pl.szczodrzynski.edziennik.data.db.entity.Grade
 import pl.szczodrzynski.edziennik.data.db.entity.Grade.Companion.TYPE_NORMAL
+import pl.szczodrzynski.edziennik.data.db.entity.Grade.Companion.TYPE_NO_GRADE
 import pl.szczodrzynski.edziennik.data.db.entity.Metadata
 import pl.szczodrzynski.edziennik.data.db.entity.SYNC_ALWAYS
 import pl.szczodrzynski.edziennik.data.db.enums.MetadataType
@@ -40,13 +41,13 @@ class UsosApiExamReports(
             tag = TAG,
             service = "examrep/user2",
             fields = listOf(
+                "id",
                 "type_description",
                 "course_unit" to listOf("id", "course_name"),
                 "sessions" to listOf(
+                    "number",
                     "description",
                     "issuer_grades" to listOf(
-                        "exam_id",
-                        "exam_session_number",
                         "value_symbol",
                         // "value_description",
                         "passes",
@@ -93,6 +94,8 @@ class UsosApiExamReports(
     }
 
     private fun processExamReport(termId: String, courseId: String, examReport: JsonObject) {
+        val examId = examReport.getString("id")?.toIntOrNull()
+            ?: return
         val typeDescription = examReport.getLangString("type_description")
         val courseUnit = examReport.getJsonObject("course_unit")
             ?: return
@@ -103,16 +106,26 @@ class UsosApiExamReports(
         val sessions = examReport.getJsonArray("sessions")
             ?: return
 
+        val gradeCategory = data.gradeCategories[courseUnitId]
+        val classType = gradeCategory?.columns?.get(0)
+
+        val subject = data.getSubject(
+            id = null,
+            name = courseName,
+            shortName = courseId,
+        )
+
+        var hasGrade = false
+
         for (sessionEl in sessions) {
             if (!sessionEl.isJsonObject)
                 continue
             val session = sessionEl.asJsonObject
 
+            val sessionNumber = session.getInt("number") ?: continue
             val sessionDescription = session.getLangString("description")
-            val issuerGrade = session.getJsonObject("issuer_grades") ?: continue
+            val issuerGrade = session.getJsonObject("issuer_grades")
 
-            val examId = issuerGrade.getInt("exam_id") ?: continue
-            val sessionNumber = issuerGrade.getInt("exam_session_number") ?: continue
             val valueSymbol = issuerGrade.getString("value_symbol") ?: continue
             val passes = issuerGrade.getBoolean("passes")
             val countsIntoAverage = issuerGrade.getString("counts_into_average") ?: "T"
@@ -121,8 +134,6 @@ class UsosApiExamReports(
                 ?.getLong("id") ?: -1L
             val comment = issuerGrade.getString("comment")
 
-            val gradeCategory = data.gradeCategories[courseUnitId]
-            val classType = gradeCategory?.columns?.get(0)
             val value = valueSymbol.toFloatOrNull() ?: 0.0f
 
             if (termId !in data.termNames) {
@@ -142,13 +153,10 @@ class UsosApiExamReports(
                 comment = termId,
                 semester = 1,
                 teacherId = modificationAuthorId,
-                subjectId = data.getSubject(
+                subjectId = subject.id,
-                    id = null,
-                    name = courseName,
-                    shortName = courseId,
-                ).id,
                 addedDate = Date.fromIso(dateModified),
             )
+            hasGrade = true
 
             if (sessionNumber > 1) {
                 val origId = examId * 10L + sessionNumber - 1
@@ -170,5 +178,35 @@ class UsosApiExamReports(
                 )
             )
         }
+
+        if (!hasGrade) {
+            // add an "empty" grade for the exam
+            val gradeObject = Grade(
+                profileId = profileId,
+                id = examId * 10L,
+                name = "...",
+                type = TYPE_NO_GRADE,
+                value = 0.0f,
+                weight = 0.0f,
+                color = 0xFFBABABD.toInt(),
+                category = typeDescription,
+                description = classType,
+                comment = termId,
+                semester = 1,
+                teacherId = -1L,
+                subjectId = subject.id,
+                addedDate = 0,
+            )
+            data.gradeList.add(gradeObject)
+            data.metadataList.add(
+                Metadata(
+                    profileId,
+                    MetadataType.GRADE,
+                    gradeObject.id,
+                    true,
+                    true,
+                )
+            )
+        }
     }
 }

app/src/main/java/pl/szczodrzynski/edziennik/data/db/entity/Grade.kt

@@ -55,6 +55,7 @@ open class Grade(
         const val TYPE_DESCRIPTIVE = 30
         const val TYPE_DESCRIPTIVE_TEXT = 31
         const val TYPE_TEXT = 40
+        const val TYPE_NO_GRADE = 100
     }
 
     @ColumnInfo(name = "gradeValueMax")

app/src/main/java/pl/szczodrzynski/edziennik/ui/grades/GradesAdapter.kt

@@ -16,6 +16,7 @@ import kotlinx.coroutines.Job
 import pl.szczodrzynski.edziennik.App
 import pl.szczodrzynski.edziennik.R
 import pl.szczodrzynski.edziennik.data.db.entity.Grade
+import pl.szczodrzynski.edziennik.data.db.entity.Grade.Companion.TYPE_NO_GRADE
 import pl.szczodrzynski.edziennik.data.db.full.GradeFull
 import pl.szczodrzynski.edziennik.ext.onClick
 import pl.szczodrzynski.edziennik.ext.startCoroutineTimer
@@ -235,10 +236,13 @@ class GradesAdapter(
             }
         }
 
-        if (item !is GradeFull || onGradeClick != null)
+        if (item !is GradeFull || (onGradeClick != null && item.type != TYPE_NO_GRADE)) {
             holder.itemView.setOnClickListener(onClickListener)
-        else
+            holder.itemView.isEnabled = true
+        } else {
             holder.itemView.setOnClickListener(null)
+            holder.itemView.isEnabled = false
+        }
     }
 
     fun notifyItemChanged(model: Any) {

app/src/main/java/pl/szczodrzynski/edziennik/ui/grades/GradesListFragment.kt

@@ -18,6 +18,7 @@ import com.mikepenz.iconics.typeface.library.community.material.CommunityMateria
 import kotlinx.coroutines.*
 import pl.szczodrzynski.edziennik.*
 import pl.szczodrzynski.edziennik.data.db.entity.Grade
+import pl.szczodrzynski.edziennik.data.db.entity.Grade.Companion.TYPE_NO_GRADE
 import pl.szczodrzynski.edziennik.data.db.enums.MetadataType
 import pl.szczodrzynski.edziennik.data.db.full.GradeFull
 import pl.szczodrzynski.edziennik.databinding.GradesListFragmentBinding
@@ -305,18 +306,24 @@ class GradesListFragment : Fragment(), CoroutineScope {
             val semesterCount = mutableListOf<Float>()
             val totalSum = mutableListOf<Float>()
             val totalCount = mutableListOf<Float>()
-            val ectsPoints = mutableMapOf<Long, Float>()
+            val ectsPoints = mutableMapOf<Pair<Long, String?>, Float>()
             for (grade in grades) {
+                val pointsPair = grade.subjectId to grade.comment
+                if (grade.type == TYPE_NO_GRADE)
+                    // reset points if there's an exam that isn't passed yet
+                    ectsPoints[pointsPair] = 0.0f
+
                 if (grade.value == 0.0f || grade.weight == 0.0f)
                     continue
                 totalSum.add(grade.value * grade.weight)
                 totalCount.add(grade.weight)
+
                 if (grade.value < 3.0)
                     // exam not passed, reset points for this subject
-                    ectsPoints[grade.subjectId] = 0.0f
+                    ectsPoints[pointsPair] = 0.0f
-                else if (grade.subjectId !in ectsPoints)
+                else if (pointsPair !in ectsPoints)
                     // no points for this subject, simply assign
-                    ectsPoints[grade.subjectId] = grade.weight
+                    ectsPoints[pointsPair] = grade.weight
 
                 if (filterTermId != null && grade.comment != filterTermId)
                     continue

app/src/main/java/pl/szczodrzynski/edziennik/ui/grades/viewholder/GradeViewHolder.kt

@@ -11,6 +11,7 @@ import androidx.core.view.isVisible
 import androidx.recyclerview.widget.RecyclerView
 import pl.szczodrzynski.edziennik.App
 import pl.szczodrzynski.edziennik.R
+import pl.szczodrzynski.edziennik.data.db.entity.Grade.Companion.TYPE_NO_GRADE
 import pl.szczodrzynski.edziennik.data.db.full.GradeFull
 import pl.szczodrzynski.edziennik.databinding.GradesItemGradeBinding
 import pl.szczodrzynski.edziennik.ui.grades.GradesAdapter
@@ -59,9 +60,12 @@ class GradeViewHolder(
         b.gradeWeight.isVisible = weightText != null
 
         b.gradeTeacherName.text = grade.teacherName
-        b.gradeAddedDate.text = Date.fromMillis(grade.addedDate).let {
+        if (grade.addedDate == 0L || grade.type == TYPE_NO_GRADE)
-            it.getRelativeString(app, 5) ?: it.formattedStringShort
+            b.gradeAddedDate.text = null
-        }
+        else
+            b.gradeAddedDate.text = Date.fromMillis(grade.addedDate).let {
+                it.getRelativeString(app, 5) ?: it.formattedStringShort
+            }
 
         b.unread.isVisible = grade.showAsUnseen
         if (!grade.seen) {

app/src/main/java/pl/szczodrzynski/edziennik/ui/home/cards/HomeGradesCard.kt

@@ -25,6 +25,7 @@ import kotlinx.coroutines.Job
 import pl.szczodrzynski.edziennik.App
 import pl.szczodrzynski.edziennik.MainActivity
 import pl.szczodrzynski.edziennik.R
+import pl.szczodrzynski.edziennik.data.db.entity.Grade.Companion.TYPE_NO_GRADE
 import pl.szczodrzynski.edziennik.data.db.entity.Profile
 import pl.szczodrzynski.edziennik.data.db.entity.Subject
 import pl.szczodrzynski.edziennik.data.db.full.GradeFull
@@ -70,7 +71,7 @@ class HomeGradesCard(
         app.db.gradeDao().getAllFromDate(profile.id, sevenDaysAgo).observe(fragment, Observer {
             grades.apply {
                 clear()
-                addAll(it)
+                addAll(it.filter { it.type != TYPE_NO_GRADE })
             }
             update()
         })

app/src/main/java/pl/szczodrzynski/edziennik/utils/managers/GradesManager.kt

@@ -12,6 +12,7 @@ import pl.szczodrzynski.edziennik.App
 import pl.szczodrzynski.edziennik.R
 import pl.szczodrzynski.edziennik.data.db.entity.Grade
 import pl.szczodrzynski.edziennik.data.db.entity.Grade.Companion.TYPE_NORMAL
+import pl.szczodrzynski.edziennik.data.db.entity.Grade.Companion.TYPE_NO_GRADE
 import pl.szczodrzynski.edziennik.data.db.entity.Grade.Companion.TYPE_POINT_AVG
 import pl.szczodrzynski.edziennik.data.db.entity.Grade.Companion.TYPE_POINT_SUM
 import pl.szczodrzynski.edziennik.data.db.entity.Grade.Companion.TYPE_YEAR_FINAL
@@ -90,6 +91,7 @@ class GradesManager(val app: App) : CoroutineScope {
             else
                 context.getString(R.string.grades_weight_format, format.format(grade.weight))
         TYPE_POINT_AVG -> context.getString(R.string.grades_max_points_format, format.format(grade.valueMax))
+        TYPE_NO_GRADE -> context.getString(R.string.grades_weight_no_grade)
         else -> null
     }
 

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

@@ -350,16 +350,14 @@
                 android:layout_width="1dp"
                 android:layout_height="match_parent"
                 android:layout_marginTop="8dp"
-                android:background="@drawable/divider"
+                android:background="@drawable/divider" />
-                android:visibility="gone" />
 
             <LinearLayout
                 android:layout_width="0dp"
                 android:layout_height="wrap_content"
                 android:layout_weight="1"
                 android:gravity="center_horizontal"
-                android:orientation="vertical"
+                android:orientation="vertical">
-                android:visibility="gone">
 
                 <TextView
                     android:layout_width="wrap_content"

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

@@ -500,6 +500,7 @@
     <string name="grades_value_format">wartość: %s</string>
     <string name="grades_weight_format">waga %s</string>
     <string name="grades_weight_not_counted">nie liczona do śr.</string>
+    <string name="grades_weight_no_grade">brak oceny</string>
     <string name="grades_year_average_format">koniec roku: %s</string>
     <string name="grades_year_average_percent_format">koniec roku: %s%%</string>
     <string name="grades_year_average_point_format">koniec roku: %spkt</string>