Fix endless loading in grades (#1084)

app/build.gradle

@@ -137,10 +137,6 @@ ext {
     moshi = "1.11.0"
 }
 
-configurations.all {
-    resolutionStrategy.force "androidx.constraintlayout:constraintlayout:1.1.3"
-}
-
 dependencies {
     implementation "io.github.wulkanowy:sdk:edc165bb"
 
@@ -161,7 +157,7 @@ dependencies {
     implementation "androidx.recyclerview:recyclerview:1.1.0"
     implementation "androidx.viewpager:viewpager:1.0.0"
     implementation "androidx.swiperefreshlayout:swiperefreshlayout:1.1.0"
-    implementation "androidx.constraintlayout:constraintlayout:2.0.1"
+    implementation "androidx.constraintlayout:constraintlayout:2.0.4"
     implementation "androidx.coordinatorlayout:coordinatorlayout:1.1.0"
     implementation "com.google.android.material:material:1.2.1"
     implementation "com.github.wulkanowy:material-chips-input:2.1.1"

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

@@ -1,7 +1,6 @@
 package io.github.wulkanowy.ui.modules.grade
 
 import io.github.wulkanowy.data.Resource
-import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.db.entities.Grade
 import io.github.wulkanowy.data.db.entities.GradeSummary
 import io.github.wulkanowy.data.db.entities.Semester
@@ -18,10 +17,8 @@ import io.github.wulkanowy.utils.changeModifier
 import io.github.wulkanowy.utils.flowWithResourceIn
 import kotlinx.coroutines.FlowPreview
 import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.distinctUntilChanged
-import kotlinx.coroutines.flow.filter
-import kotlinx.coroutines.flow.flatMapConcat
-import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.flow.map
 import javax.inject.Inject
 
@@ -50,11 +47,12 @@ class GradeAverageProvider @Inject constructor(
         val selectedSemester = semesters.single { it.semesterId == semesterId }
         val firstSemester = semesters.single { it.diaryId == selectedSemester.diaryId && it.semesterName == 1 }
 
-        return getSemesterDetailsWithAverage(student, selectedSemester, forceRefresh).flatMapConcat { selectedDetails ->
+        val selectedSemesterDetailsWithAverage = getSemesterDetailsWithAverage(student, selectedSemester, forceRefresh)
-            val isAnyAverage = selectedDetails.data.orEmpty().any { it.average != .0 }
 
-            if (selectedSemester != firstSemester) {
+        return if (selectedSemester == firstSemester) selectedSemesterDetailsWithAverage else {
-                getSemesterDetailsWithAverage(student, firstSemester, forceRefresh).map { secondDetails ->
+            val firstSemesterDetailsWithAverage = getSemesterDetailsWithAverage(student, firstSemester, forceRefresh)
+            selectedSemesterDetailsWithAverage.combine(firstSemesterDetailsWithAverage) { selectedDetails, secondDetails ->
+                val isAnyAverage = selectedDetails.data.orEmpty().any { it.average != .0 }
                 secondDetails.copy(data = selectedDetails.data?.map { selected ->
                     val second = secondDetails.data.orEmpty().singleOrNull { it.subject == selected.subject }
                     selected.copy(average = if (!isAnyAverage || preferencesRepository.gradeAverageForceCalc) {
@@ -62,8 +60,7 @@ class GradeAverageProvider @Inject constructor(
                         (selectedGrades + (second?.grades?.updateModifiers(student)?.calcAverage() ?: selectedGrades)) / 2
                     } else (selected.average + (second?.average ?: selected.average)) / 2)
                 })
-                }.filter { it.status != Status.LOADING }.filter { it.data != null }
+            }
-            } else flowOf(selectedDetails)
         }
     }
 
@@ -71,19 +68,19 @@ class GradeAverageProvider @Inject constructor(
         val selectedSemester = semesters.single { it.semesterId == semesterId }
         val firstSemester = semesters.single { it.diaryId == selectedSemester.diaryId && it.semesterName == 1 }
 
-        return getSemesterDetailsWithAverage(student, selectedSemester, forceRefresh).flatMapConcat { selectedDetails ->
+        val selectedSemesterDetailsWithAverage = getSemesterDetailsWithAverage(student, selectedSemester, forceRefresh)
-            val isAnyAverage = selectedDetails.data.orEmpty().any { it.average != .0 }
 
-            if (selectedSemester != firstSemester) {
+        return if (selectedSemester == firstSemester) selectedSemesterDetailsWithAverage else {
-                getSemesterDetailsWithAverage(student, firstSemester, forceRefresh).map { secondDetails ->
+            val firstSemesterDetailsWithAverage = getSemesterDetailsWithAverage(student, firstSemester, forceRefresh)
+            selectedSemesterDetailsWithAverage.combine(firstSemesterDetailsWithAverage) { selectedDetails, secondDetails ->
+                val isAnyAverage = selectedDetails.data.orEmpty().any { it.average != .0 }
                 secondDetails.copy(data = selectedDetails.data?.map { selected ->
                     val second = secondDetails.data.orEmpty().singleOrNull { it.subject == selected.subject }
                     selected.copy(average = if (!isAnyAverage || preferencesRepository.gradeAverageForceCalc) {
                         (selected.grades.updateModifiers(student) + second?.grades?.updateModifiers(student).orEmpty()).calcAverage()
                     } else selected.average)
                 })
-                }.filter { it.status != Status.LOADING }.filter { it.data != null }
+            }
-            } else flowOf(selectedDetails)
         }
     }
 
@@ -93,7 +90,7 @@ class GradeAverageProvider @Inject constructor(
             val isAnyAverage = summaries.orEmpty().any { it.average != .0 }
             val allGrades = details.orEmpty().groupBy { it.subject }
 
-            Resource(res.status, summaries?.emulateEmptySummaries(student, semester, allGrades.toList(), isAnyAverage)?.map { summary ->
+            val items = summaries?.emulateEmptySummaries(student, semester, allGrades.toList(), isAnyAverage)?.map { summary ->
                 val grades = allGrades[summary.subject].orEmpty()
                 GradeDetailsWithAverage(
                     subject = summary.subject,
@@ -104,7 +101,9 @@ class GradeAverageProvider @Inject constructor(
                     summary = summary,
                     grades = grades
                 )
-            }, res.error)
+            }
+
+            Resource(res.status, items, res.error)
         }
     }
 

app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsPresenter.kt

@@ -143,16 +143,18 @@ class GradeDetailsPresenter @Inject constructor(
             val student = studentRepository.getCurrentStudent()
             averageProvider.getGradesDetailsWithAverage(student, semesterId, forceRefresh)
         }.onEach {
+            Timber.d("Loading grade details status: ${it.status}, data: ${it.data != null}")
             when (it.status) {
                 Status.LOADING -> {
                     val items = createGradeItems(it.data.orEmpty())
                     if (items.isNotEmpty()) {
-                        Timber.i("Loading gradle details result: load cached data")
+                        Timber.i("Loading grade details result: load cached data")
                         view?.run {
                             updateNewGradesAmount(it.data.orEmpty())
                             enableSwipe(true)
                             showRefresh(true)
                             showProgress(false)
+                            showEmpty(false)
                             showContent(true)
                             updateData(
                                 data = items,

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

@@ -43,6 +43,7 @@ class GradeSummaryPresenter @Inject constructor(
             val student = studentRepository.getCurrentStudent()
             averageProvider.getGradesDetailsWithAverage(student, semesterId, forceRefresh)
         }.onEach {
+            Timber.d("Loading grade summary status: ${it.status}, data: ${it.data != null}")
             when (it.status) {
                 Status.LOADING -> {
                     val items = createGradeSummaryItems(it.data.orEmpty())
@@ -52,6 +53,7 @@ class GradeSummaryPresenter @Inject constructor(
                             enableSwipe(true)
                             showRefresh(true)
                             showProgress(false)
+                            showEmpty(false)
                             showContent(true)
                             updateData(items)
                         }

app/src/test/java/io/github/wulkanowy/ui/modules/grade/GradeAverageProviderTest.kt

@@ -1,6 +1,7 @@
 package io.github.wulkanowy.ui.modules.grade
 
 import io.github.wulkanowy.data.Resource
+import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.db.entities.Grade
 import io.github.wulkanowy.data.db.entities.GradeSummary
 import io.github.wulkanowy.data.db.entities.Student
@@ -15,6 +16,7 @@ import io.mockk.coEvery
 import io.mockk.every
 import io.mockk.impl.annotations.MockK
 import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.flow
 import kotlinx.coroutines.flow.toList
 import kotlinx.coroutines.runBlocking
 import org.junit.Assert.assertEquals
@@ -99,13 +101,42 @@ class GradeAverageProviderTest {
         gradeAverageProvider = GradeAverageProvider(semesterRepository, gradeRepository, preferencesRepository)
     }
 
+    @Test
+    fun `calc current semester average with load from cache sequence`() {
+        every { preferencesRepository.gradeAverageForceCalc } returns true
+        every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.ONE_SEMESTER
+        coEvery { semesterRepository.getSemesters(student) } returns semesters
+        coEvery { gradeRepository.getGrades(student, semesters[2], true) } returns flow {
+            emit(Resource.loading())
+            emit(Resource.loading(secondGradeWithModifier to secondSummariesWithModifier))
+            emit(Resource.success(secondGradeWithModifier to secondSummariesWithModifier))
+        }
+
+        val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[2].semesterId, true).toList() }
+
+        with(items[0]) {
+            assertEquals(Status.LOADING, status)
+            assertEquals(null, data)
+        }
+        with(items[1]) {
+            assertEquals(Status.LOADING, status)
+            assertEquals(1, data!!.size)
+        }
+        with(items[2]) {
+            assertEquals(Status.SUCCESS, status)
+            assertEquals(1, data!!.size)
+        }
+
+        assertEquals(3.5, items[1].data?.single { it.subject == "Język polski" }!!.average, .0) // from details and after set custom plus/minus
+    }
+
     @Test
     fun `force calc average on no grades`() {
         every { preferencesRepository.gradeAverageForceCalc } returns true
         every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.BOTH_SEMESTERS
 
-        coEvery { gradeRepository.getGrades(student, semesters[1], true) } returns flowWithResource { emptyList<Grade>() to emptyList<GradeSummary>() }
+        coEvery { gradeRepository.getGrades(student, semesters[1], true) } returns flowWithResource { emptyList<Grade>() to emptyList() }
-        coEvery { gradeRepository.getGrades(student, semesters[2], true) } returns flowWithResource { emptyList<Grade>() to emptyList<GradeSummary>() }
+        coEvery { gradeRepository.getGrades(student, semesters[2], true) } returns flowWithResource { emptyList<Grade>() to emptyList() }
 
         val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[2].semesterId, true).getResult() }
 
@@ -214,6 +245,37 @@ class GradeAverageProviderTest {
         assertEquals(3.5, items.single { it.subject == "Fizyka" }.average, .0) // (from summary): 3,5
     }
 
+    @Test
+    fun `calc full year average when current is first with load from cache sequence`() {
+        every { preferencesRepository.gradeAverageForceCalc } returns true
+        every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.ALL_YEAR
+        coEvery { semesterRepository.getSemesters(student) } returns semesters
+        coEvery { gradeRepository.getGrades(student, semesters[1], true) } returns flow {
+            emit(Resource.loading())
+            emit(Resource.loading(firstGrades to firstSummaries))
+            emit(Resource.success(firstGrades to firstSummaries))
+        }
+
+        val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[1].semesterId, true).toList() }
+
+        with(items[0]) {
+            assertEquals(Status.LOADING, status)
+            assertEquals(null, data)
+        }
+        with(items[1]) {
+            assertEquals(Status.LOADING, status)
+            assertEquals(2, data!!.size)
+        }
+        with(items[2]) {
+            assertEquals(Status.SUCCESS, status)
+            assertEquals(2, data!!.size)
+        }
+
+        assertEquals(2, items[2].data!!.size)
+        assertEquals(3.5, items[2].data!!.single { it.subject == "Matematyka" }.average, .0) // (from summary): 3,5
+        assertEquals(3.5, items[2].data!!.single { it.subject == "Fizyka" }.average, .0) // (from summary): 3,5
+    }
+
     @Test
     fun `calc both semesters average`() {
         every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.BOTH_SEMESTERS
@@ -238,6 +300,53 @@ class GradeAverageProviderTest {
         assertEquals(3.75, items.single { it.subject == "Fizyka" }.average, .0) // (from summaries ↑): 3,5 + 4,0 → 3,75
     }
 
+    @Test
+    fun `calc both semesters average when current is second with load from cache sequence`() {
+        every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.BOTH_SEMESTERS
+        every { preferencesRepository.gradeAverageForceCalc } returns false
+        coEvery { gradeRepository.getGrades(student, semesters[1], true) } returns flow {
+            emit(Resource.loading())
+            emit(Resource.loading(firstGrades to listOf(
+                getSummary(22, "Matematyka", 3.0),
+                getSummary(22, "Fizyka", 3.5)
+            )))
+            emit(Resource.success(firstGrades to listOf(
+                getSummary(22, "Matematyka", 3.0),
+                getSummary(22, "Fizyka", 3.5)
+            )))
+        }
+        coEvery { gradeRepository.getGrades(student, semesters[2], true) } returns flow {
+            emit(Resource.loading())
+            emit(Resource.loading(secondGrades to listOf(
+                getSummary(22, "Matematyka", 3.5),
+                getSummary(22, "Fizyka", 4.0)
+            )))
+            emit(Resource.success(secondGrades to listOf(
+                getSummary(22, "Matematyka", 3.5),
+                getSummary(22, "Fizyka", 4.0)
+            )))
+        }
+
+        val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[2].semesterId, true).toList() }
+
+        with(items[0]) {
+            assertEquals(Status.LOADING, status)
+            assertEquals(null, data)
+        }
+        with(items[1]) {
+            assertEquals(Status.LOADING, status)
+            assertEquals(2, data!!.size)
+        }
+        with(items[2]) {
+            assertEquals(Status.SUCCESS, status)
+            assertEquals(2, data!!.size)
+        }
+
+        assertEquals(2, items[2].data!!.size)
+        assertEquals(3.25, items[2].data!!.single { it.subject == "Matematyka" }.average, .0) // (from summaries ↑): 3,0 + 3,5 → 3,25
+        assertEquals(3.75, items[2].data!!.single { it.subject == "Fizyka" }.average, .0) // (from summaries ↑): 3,5 + 4,0 → 3,75
+    }
+
     @Test
     fun `force calc full year average`() {
         every { preferencesRepository.gradeAverageForceCalc } returns true
@@ -257,13 +366,55 @@ class GradeAverageProviderTest {
         assertEquals(3.25, items.single { it.subject == "Fizyka" }.average, .0) // (from details): 3,5  + 3,0 → 3,25
     }
 
+    @Test
+    fun `calc full year average when current is second with load from cache sequence`() {
+        every { preferencesRepository.gradeAverageForceCalc } returns true
+        every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.ALL_YEAR
+        coEvery { semesterRepository.getSemesters(student) } returns semesters
+        coEvery { gradeRepository.getGrades(student, semesters[1], true) } returns flow {
+            emit(Resource.loading())
+            emit(Resource.loading(firstGrades to firstSummaries))
+            emit(Resource.success(firstGrades to firstSummaries))
+        }
+        coEvery { gradeRepository.getGrades(student, semesters[2], true) } returns flow {
+            emit(Resource.loading())
+            emit(Resource.loading(secondGrades to listOf(
+                getSummary(22, "Matematyka", 1.1),
+                getSummary(22, "Fizyka", 7.26)
+            )))
+            emit(Resource.success(secondGrades to listOf(
+                getSummary(22, "Matematyka", 1.1),
+                getSummary(22, "Fizyka", 7.26)
+            )))
+        }
+
+        val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[2].semesterId, true).toList() }
+
+        with(items[0]) {
+            assertEquals(Status.LOADING, status)
+            assertEquals(null, data)
+        }
+        with(items[1]) {
+            assertEquals(Status.LOADING, status)
+            assertEquals(2, data!!.size)
+        }
+        with(items[2]) {
+            assertEquals(Status.SUCCESS, status)
+            assertEquals(2, data!!.size)
+        }
+
+        assertEquals(2, items[2].data!!.size)
+        assertEquals(3.0, items[2].data!!.single { it.subject == "Matematyka" }.average, .0) // (from details): 3,5 + 2,5 → 3,0
+        assertEquals(3.25, items[2].data!!.single { it.subject == "Fizyka" }.average, .0) // (from details): 3,5  + 3,0 → 3,25
+    }
+
     @Test
     fun `calc both semesters average when no summaries`() {
         every { preferencesRepository.gradeAverageForceCalc } returns true
         every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.BOTH_SEMESTERS
 
-        coEvery { gradeRepository.getGrades(student, semesters[1], true) } returns flowWithResource { firstGrades to emptyList<GradeSummary>() }
+        coEvery { gradeRepository.getGrades(student, semesters[1], true) } returns flowWithResource { firstGrades to emptyList() }
-        coEvery { gradeRepository.getGrades(student, semesters[2], true) } returns flowWithResource { secondGrades to emptyList<GradeSummary>() }
+        coEvery { gradeRepository.getGrades(student, semesters[2], true) } returns flowWithResource { secondGrades to emptyList() }
 
         val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[2].semesterId, true).getResult() }
 
@@ -277,8 +428,8 @@ class GradeAverageProviderTest {
         every { preferencesRepository.gradeAverageForceCalc } returns true
         every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.ALL_YEAR
 
-        coEvery { gradeRepository.getGrades(student, semesters[1], true) } returns flowWithResource { firstGrades to emptyList<GradeSummary>() }
+        coEvery { gradeRepository.getGrades(student, semesters[1], true) } returns flowWithResource { firstGrades to emptyList() }
-        coEvery { gradeRepository.getGrades(student, semesters[2], true) } returns flowWithResource { secondGrades to emptyList<GradeSummary>() }
+        coEvery { gradeRepository.getGrades(student, semesters[2], true) } returns flowWithResource { secondGrades to emptyList() }
 
         val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[2].semesterId, true).getResult() }