fix: assignment tab UI

Author: PavloNetrebchuk

app/src/main/java/org/openedx/app/di/ScreenModule.kt

@@ -536,4 +536,11 @@ val screenModule = module {
             router = get()
         )
     }
+    viewModel { (courseId: String, courseName: String) ->
+        org.openedx.course.presentation.assignments.CourseAssignmentViewModel(
+            courseId = courseId,
+            courseName = courseName,
+            interactor = get()
+        )
+    }
 }

core/src/main/java/org/openedx/core/data/model/AssignmentProgress.kt

@@ -11,16 +11,19 @@ data class AssignmentProgress(
     val numPointsEarned: Float?,
     @SerializedName("num_points_possible")
     val numPointsPossible: Float?,
+    val label: String?
 ) {
     fun mapToDomain() = AssignmentProgress(
         assignmentType = assignmentType ?: "",
         numPointsEarned = numPointsEarned ?: 0f,
-        numPointsPossible = numPointsPossible ?: 0f
+        numPointsPossible = numPointsPossible ?: 0f,
+        label = label ?: ""
     )
 
     fun mapToRoomEntity() = AssignmentProgressDb(
         assignmentType = assignmentType,
         numPointsEarned = numPointsEarned,
-        numPointsPossible = numPointsPossible
+        numPointsPossible = numPointsPossible,
+        label = label
     )
 }

core/src/main/java/org/openedx/core/data/model/room/BlockDb.kt

@@ -230,11 +230,13 @@ data class AssignmentProgressDb(
     val numPointsEarned: Float?,
     @ColumnInfo("num_points_possible")
     val numPointsPossible: Float?,
+    val label: String?
 ) {
     fun mapToDomain() = DomainAssignmentProgress(
         assignmentType = assignmentType ?: "",
         numPointsEarned = numPointsEarned ?: 0f,
-        numPointsPossible = numPointsPossible ?: 0f
+        numPointsPossible = numPointsPossible ?: 0f,
+        label = label ?: ""
     )
 }
 

core/src/main/java/org/openedx/core/domain/model/AssignmentProgress.kt

@@ -1,11 +1,18 @@
 package org.openedx.core.domain.model
 
 import android.os.Parcelable
+import kotlinx.parcelize.IgnoredOnParcel
 import kotlinx.parcelize.Parcelize
+import org.openedx.core.extension.safeDivBy
 
 @Parcelize
 data class AssignmentProgress(
     val assignmentType: String,
     val numPointsEarned: Float,
-    val numPointsPossible: Float
-) : Parcelable
+    val numPointsPossible: Float,
+    val label: String
+) : Parcelable {
+
+    @IgnoredOnParcel
+    val value: Float = numPointsEarned.toFloat().safeDivBy(numPointsPossible.toFloat())
+}

core/src/main/res/drawable/ic_core_pointer.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="5dp"
+    android:height="5dp"
+    android:viewportWidth="5"
+    android:viewportHeight="5">
+    <path
+        android:pathData="M2.067,0.75C2.2594,0.4167 2.7406,0.4167 2.933,0.75L4.6651,3.75C4.8575,4.0833 4.617,4.5 4.232,4.5H0.7679C0.383,4.5 0.1425,4.0833 0.3349,3.75L2.067,0.75Z"
+        android:fillColor="#3C68FF" />
+</vector>

core/src/main/res/drawable/ic_core_watch_later.xml

@@ -0,0 +1,14 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="16dp"
+    android:height="16dp"
+    android:viewportWidth="16"
+    android:viewportHeight="16">
+    <path
+        android:pathData="M7,4h5v7h-5z"
+        android:fillColor="#19212F" />
+    <path
+        android:strokeWidth="1"
+        android:pathData="M8,0.5C3.875,0.5 0.5,3.875 0.5,8C0.5,12.125 3.875,15.5 8,15.5C12.125,15.5 15.5,12.125 15.5,8C15.5,3.875 12.125,0.5 8,0.5ZM10.663,10.85L7.602,8.967C7.378,8.833 7.242,8.592 7.242,8.33V4.813C7.25,4.505 7.505,4.25 7.813,4.25C8.12,4.25 8.375,4.505 8.375,4.813V8.15L11.255,9.882C11.525,10.047 11.615,10.4 11.45,10.67C11.285,10.932 10.932,11.015 10.663,10.85Z"
+        android:fillColor="#FFC94D"
+        android:strokeColor="#19212F" />
+</vector>

course/src/main/java/org/openedx/course/presentation/assignments/CourseAssignmentUIState.kt

@@ -0,0 +1,14 @@
+package org.openedx.course.presentation.assignments
+
+import org.openedx.core.domain.model.Block
+import org.openedx.core.domain.model.Progress
+
+sealed class CourseAssignmentUIState {
+    data class CourseData(
+        val groupedAssignments: Map<String, List<Block>>,
+        val progress: Progress
+    ) : CourseAssignmentUIState()
+
+    data object Error : CourseAssignmentUIState()
+    data object Loading : CourseAssignmentUIState()
+} 

course/src/main/java/org/openedx/course/presentation/assignments/CourseAssignmentViewModel.kt

@@ -0,0 +1,47 @@
+package org.openedx.course.presentation.assignments
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.launch
+import org.openedx.core.domain.model.CourseStructure
+import org.openedx.core.domain.model.Progress
+import org.openedx.course.domain.interactor.CourseInteractor
+
+class CourseAssignmentViewModel(
+    private val courseId: String,
+    private val courseName: String,
+    private val interactor: CourseInteractor
+) : ViewModel() {
+    private val _uiState =
+        MutableStateFlow<CourseAssignmentUIState>(CourseAssignmentUIState.Loading)
+    val uiState: StateFlow<CourseAssignmentUIState> = _uiState.asStateFlow()
+
+    init {
+        viewModelScope.launch {
+            interactor.getCourseStructureFlow(courseId)
+                .collect { courseStructure ->
+                    if (courseStructure != null) {
+                        updateAssignments(courseStructure)
+                    } else {
+                        _uiState.value = CourseAssignmentUIState.Error
+                    }
+                }
+        }
+    }
+
+    private fun updateAssignments(courseStructure: CourseStructure) {
+        val assignments = courseStructure.blockData
+            .filter { !it.assignmentProgress?.assignmentType.isNullOrEmpty() }
+        val grouped = assignments.groupBy { it.assignmentProgress?.assignmentType ?: "" }
+        val completed = assignments.count { it.isCompleted() }
+        val total = assignments.size
+        val progress = Progress(completed, total)
+        _uiState.value = CourseAssignmentUIState.CourseData(
+            groupedAssignments = grouped,
+            progress = progress
+        )
+    }
+}