feat: open block logic

Author: PavloNetrebchuk

course/src/main/java/org/openedx/course/presentation/container/CourseContainerViewModel.kt

@@ -59,7 +59,7 @@ import org.openedx.core.R as CoreR
 class CourseContainerViewModel(
     val courseId: String,
     var courseName: String,
-    var openBlock: String,
+    private var openBlock: String,
     private val enrollmentMode: String,
     private val config: Config,
     private val interactor: CourseInteractor,
@@ -186,7 +186,9 @@ class CourseContainerViewModel(
                     if (isReady) {
                         _isNavigationEnabled.value = true
                         courseNotifier.send(CourseDataReady(courseStructure))
-                        courseNotifier.send(CourseOpenBlock(openBlock))
+                        if (openBlock.isNotEmpty()) {
+                            courseNotifier.send(CourseOpenBlock(openBlock))
+                        }
                     }
                     isReady
                 }

course/src/main/java/org/openedx/course/presentation/outline/CourseOutlineScreen.kt

@@ -26,6 +26,7 @@ import androidx.compose.material.Surface
 import androidx.compose.material.Text
 import androidx.compose.material.rememberScaffoldState
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
@@ -80,8 +81,15 @@ fun CourseOutlineScreen(
 ) {
     val uiState by viewModel.uiState.collectAsState()
     val uiMessage by viewModel.uiMessage.collectAsState(null)
+    val openBlock by viewModel.openBlock.collectAsState("")
     val context = LocalContext.current
 
+    LaunchedEffect(openBlock) {
+        if (openBlock.isNotEmpty()) {
+            viewModel.openBlock(fragmentManager, openBlock)
+        }
+    }
+
     CourseOutlineUI(
         windowSize = windowSize,
         uiState = uiState,

course/src/main/java/org/openedx/course/presentation/outline/CourseOutlineViewModel.kt

@@ -75,6 +75,10 @@ class CourseOutlineViewModel(
     val uiMessage: SharedFlow<UIMessage>
         get() = _uiMessage.asSharedFlow()
 
+    private val _openBlock = MutableSharedFlow<String>()
+    val openBlock: SharedFlow<String>
+        get() = _openBlock.asSharedFlow()
+
     private var resumeSectionBlock: Block? = null
     private var resumeVerticalBlock: Block? = null
 
@@ -99,7 +103,7 @@ class CourseOutlineViewModel(
                     }
 
                     is CourseOpenBlock -> {
-                        //TODO
+                        _openBlock.emit(event.blockId)
                     }
                 }
             }
@@ -288,6 +292,13 @@ class CourseOutlineViewModel(
     }
 
     fun openBlock(fragmentManager: FragmentManager, blockId: String) {
+        val courseStructure = interactor.getCourseStructureFromCache()
+        val blocks = courseStructure.blockData
+        getResumeBlock(blocks, blockId)
+        resumeBlock(fragmentManager, blockId)
+    }
+
+    private fun resumeBlock(fragmentManager: FragmentManager, blockId: String) {
         resumeSectionBlock?.let { subSection ->
             resumeCourseTappedEvent(subSection.id)
             resumeVerticalBlock?.let { unit ->

dashboard/src/main/java/org/openedx/courses/presentation/UserCoursesScreen.kt

@@ -137,7 +137,7 @@ fun UsersCourseScreen(
                     )
                 }
 
-                is UserCoursesScreenAction.ResumeCourse -> {
+                is UserCoursesScreenAction.OpenBlock -> {
                     viewModel.dashboardRouter.navigateToCourseOutline(
                         fm = fragmentManager,
                         courseId = action.enrolledCourse.course.id,
@@ -211,8 +211,8 @@ private fun UsersCourseScreen(
                             navigateToDates = {
                                 onAction(UserCoursesScreenAction.NavigateToDates(it))
                             },
-                            resume = { course, blockId ->
-                                onAction(UserCoursesScreenAction.ResumeCourse(course, blockId))
+                            openBlock = { course, blockId ->
+                                onAction(UserCoursesScreenAction.OpenBlock(course, blockId))
                             }
                         )
                     }
@@ -257,7 +257,7 @@ private fun UserCourses(
     openCourse: (EnrolledCourse) -> Unit,
     navigateToDates: (EnrolledCourse) -> Unit,
     onViewAllClick: () -> Unit,
-    resume: (enrolledCourse: EnrolledCourse, blockId: String) -> Unit,
+    openBlock: (enrolledCourse: EnrolledCourse, blockId: String) -> Unit,
 ) {
     Column(
         modifier = modifier
@@ -268,7 +268,7 @@ private fun UserCourses(
                 primaryCourse = userCourses.primary,
                 apiHostUrl = apiHostUrl,
                 navigateToDates = navigateToDates,
-                resume = resume,
+                openBlock = openBlock,
                 openCourse = openCourse
             )
         }
@@ -428,7 +428,7 @@ private fun PrimaryCourseCard(
     primaryCourse: EnrolledCourse,
     apiHostUrl: String,
     navigateToDates: (EnrolledCourse) -> Unit,
-    resume: (enrolledCourse: EnrolledCourse, blockId: String) -> Unit,
+    openBlock: (enrolledCourse: EnrolledCourse, blockId: String) -> Unit,
     openCourse: (EnrolledCourse) -> Unit,
 ) {
     val context = LocalContext.current
@@ -454,7 +454,11 @@ private fun PrimaryCourseCard(
                     .fillMaxWidth()
                     .height(140.dp)
             )
-            val progress = (primaryCourse.progress.numPointsEarned / primaryCourse.progress.numPointsPossible).toFloat()
+            val progress: Float = try {
+                (primaryCourse.progress.numPointsEarned / primaryCourse.progress.numPointsPossible).toFloat()
+            } catch (_: ArithmeticException) {
+                0f
+            }
             LinearProgressIndicator(
                 modifier = Modifier
                     .fillMaxWidth()
@@ -478,7 +482,7 @@ private fun PrimaryCourseCard(
                 AssignmentItem(
                     modifier = Modifier.clickable {
                         if (pastAssignments.size == 1) {
-                            resume(primaryCourse, nearestAssignment.blockId)
+                            openBlock(primaryCourse, nearestAssignment.blockId)
                         } else {
                             navigateToDates(primaryCourse)
                         }
@@ -496,7 +500,7 @@ private fun PrimaryCourseCard(
                 AssignmentItem(
                     modifier = Modifier.clickable {
                         if (futureAssignments.size == 1) {
-                            resume(primaryCourse, nearestAssignment.blockId)
+                            openBlock(primaryCourse, nearestAssignment.blockId)
                         } else {
                             navigateToDates(primaryCourse)
                         }
@@ -516,7 +520,7 @@ private fun PrimaryCourseCard(
                     if (primaryCourse.courseStatus == null) {
                         openCourse(primaryCourse)
                     } else {
-                        resume(primaryCourse, primaryCourse.courseStatus?.lastVisitedBlockId ?: "")
+                        openBlock(primaryCourse, primaryCourse.courseStatus?.lastVisitedBlockId ?: "")
                     }
                 }
             )

dashboard/src/main/java/org/openedx/courses/presentation/UserCoursesViewModel.kt

@@ -105,7 +105,7 @@ interface UserCoursesScreenAction {
     object SwipeRefresh : UserCoursesScreenAction
     object ViewAll : UserCoursesScreenAction
     object Reload : UserCoursesScreenAction
-    data class ResumeCourse(val enrolledCourse: EnrolledCourse, val blockId: String) : UserCoursesScreenAction
+    data class OpenBlock(val enrolledCourse: EnrolledCourse, val blockId: String) : UserCoursesScreenAction
     data class OpenCourse(val enrolledCourse: EnrolledCourse) : UserCoursesScreenAction
     data class NavigateToDates(val enrolledCourse: EnrolledCourse) : UserCoursesScreenAction
 }