Chore/508 abstract sort handling 3

app/build.gradle

@@ -113,6 +113,7 @@ dependencies {
     testImplementation 'junit:junit:4.13.2'
     testImplementation "org.jetbrains.kotlinx:kotlinx-coroutines-test:$coroutines_version"
     testImplementation "androidx.arch.core:core-testing:2.2.0"
+    testImplementation(libs.turbine)
     androidTestImplementation "androidx.room:room-testing:2.2.5"
     androidTestImplementation 'androidx.test:runner:1.4.0'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
@@ -123,6 +124,7 @@ dependencies {
     androidTestImplementation "org.jetbrains.kotlinx:kotlinx-coroutines-test:$coroutines_version"
     androidTestImplementation 'androidx.test:rules:1.4.0'
     androidTestImplementation "androidx.arch.core:core-testing:2.2.0"
+    androidTestImplementation(libs.turbine)
 
     // Testing Navigation
     androidTestImplementation "androidx.navigation:navigation-testing:2.3.1"

app/src/main/java/com/willowtree/vocable/settings/EditCategoriesFragment.kt

@@ -4,6 +4,9 @@ import android.os.Bundle
 import android.view.View
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.FragmentManager
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.lifecycleScope
+import androidx.lifecycle.repeatOnLifecycle
 import androidx.navigation.fragment.findNavController
 import androidx.viewpager2.widget.ViewPager2
 import com.willowtree.vocable.BaseFragment
@@ -13,6 +16,7 @@ import com.willowtree.vocable.R
 import com.willowtree.vocable.databinding.FragmentEditCategoriesBinding
 import com.willowtree.vocable.presets.Category
 import com.willowtree.vocable.utils.VocableFragmentStateAdapter
+import kotlinx.coroutines.launch
 import org.koin.androidx.viewmodel.ViewModelOwner
 import org.koin.androidx.viewmodel.ext.android.viewModel
 import kotlin.math.min
@@ -107,9 +111,13 @@ class EditCategoriesFragment : BaseFragment<FragmentEditCategoriesBinding>() {
     }
 
     private fun subscribeToViewModel() {
-        editCategoriesViewModel.categoryList.observe(viewLifecycleOwner) {
-            it?.let { categories ->
-                categoriesAdapter.setItems(categories)
+        viewLifecycleOwner.lifecycleScope.launch {
+            viewLifecycleOwner.repeatOnLifecycle(Lifecycle.State.STARTED) {
+                editCategoriesViewModel.categoryList.collect {
+                    it.let { categories ->
+                        categoriesAdapter.setItems(categories)
+                    }
+                }
             }
         }
 

app/src/main/java/com/willowtree/vocable/settings/EditCategoriesListFragment.kt

@@ -4,6 +4,9 @@ import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.lifecycleScope
+import androidx.lifecycle.repeatOnLifecycle
 import androidx.navigation.fragment.findNavController
 import com.willowtree.vocable.BaseFragment
 import com.willowtree.vocable.BindingInflater
@@ -12,6 +15,7 @@ import com.willowtree.vocable.databinding.CategoryEditButtonBinding
 import com.willowtree.vocable.databinding.FragmentEditCategoriesListBinding
 import com.willowtree.vocable.presets.Category
 import com.willowtree.vocable.utils.locale.LocalizedResourceUtility
+import kotlinx.coroutines.launch
 import org.koin.android.ext.android.inject
 import org.koin.androidx.viewmodel.ViewModelOwner
 import org.koin.androidx.viewmodel.ext.android.viewModel
@@ -101,22 +105,26 @@ class EditCategoriesListFragment : BaseFragment<FragmentEditCategoriesListBindin
     }
 
     private fun subscribeToViewModel() {
-        editCategoriesViewModel.categoryList.observe(viewLifecycleOwner) { list ->
-            list?.let { overallList ->
-                val hiddenCategories = overallList.filter { it.hidden }
-                if (endPosition > overallList.size) {
-                    endPosition = overallList.size - 1
-                }
-                if (startPosition <= endPosition) {
-                    overallList.subList(startPosition, endPosition)
-                        .forEachIndexed { index, category ->
-                            bindCategoryEditButton(
-                                editButtonList[index],
-                                category,
-                                startPosition + index,
-                                overallList.size - hiddenCategories.size
-                            )
+        viewLifecycleOwner.lifecycleScope.launch {
+            viewLifecycleOwner.repeatOnLifecycle(Lifecycle.State.STARTED) {
+                editCategoriesViewModel.categoryList.collect { list ->
+                    list.let { overallList ->
+                        val hiddenCategories = overallList.filter { it.hidden }
+                        if (endPosition > overallList.size) {
+                            endPosition = overallList.size - 1
+                        }
+                        if (startPosition <= endPosition) {
+                            overallList.subList(startPosition, endPosition)
+                                .forEachIndexed { index, category ->
+                                    bindCategoryEditButton(
+                                        editButtonList[index],
+                                        category,
+                                        startPosition + index,
+                                        overallList.size - hiddenCategories.size
+                                    )
+                                }
                         }
+                    }
                 }
             }
         }

app/src/main/java/com/willowtree/vocable/settings/EditCategoriesViewModel.kt

@@ -3,26 +3,18 @@ package com.willowtree.vocable.settings
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
-import androidx.lifecycle.asLiveData
 import androidx.lifecycle.viewModelScope
 import com.willowtree.vocable.ICategoriesUseCase
 import com.willowtree.vocable.presets.Category
 import com.willowtree.vocable.room.CategorySortOrder
-import com.willowtree.vocable.settings.editcategories.EditCategoriesPage
 import kotlinx.coroutines.flow.first
-import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.launch
 
 class EditCategoriesViewModel(
     private val categoriesUseCase: ICategoriesUseCase
 ) : ViewModel() {
 
-    val categoryList: LiveData<List<Category>> = categoriesUseCase.categories().asLiveData()
-
-    val categoryPages = categoriesUseCase.categories().map { categories ->
-        val pageSize = 8
-        categories.chunked(pageSize).map { EditCategoriesPage(it) }
-    }
+    val categoryList = categoriesUseCase.categories()
 
     private val liveLastViewedIndex = MutableLiveData<Int>()
     val lastViewedIndex: LiveData<Int> = liveLastViewedIndex

app/src/test/java/com/willowtree/vocable/settings/EditCategoriesViewModelTest.kt

@@ -1,12 +1,9 @@
 package com.willowtree.vocable.settings
 
-import androidx.arch.core.executor.testing.InstantTaskExecutorRule
+import app.cash.turbine.test
 import com.willowtree.vocable.FakeCategoriesUseCase
 import com.willowtree.vocable.MainDispatcherRule
-import com.willowtree.vocable.getOrAwaitValue
 import com.willowtree.vocable.presets.createStoredCategory
-import com.willowtree.vocable.settings.editcategories.EditCategoriesPage
-import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.test.runTest
 import org.junit.Assert.assertEquals
@@ -18,9 +15,6 @@ class EditCategoriesViewModelTest {
     @get:Rule
     val mainDispatcherRule = MainDispatcherRule()
 
-    @get:Rule
-    val instantTaskExecutorRule = InstantTaskExecutorRule()
-
     private val categoriesUseCase = FakeCategoriesUseCase()
 
     private fun createViewModel(): EditCategoriesViewModel {
@@ -30,7 +24,7 @@ class EditCategoriesViewModelTest {
     }
 
     @Test
-    fun `categories are populated`() {
+    fun `categories are populated`() = runTest {
         categoriesUseCase._categories.update {
             listOf(
                 createStoredCategory(categoryId = "1")
@@ -39,16 +33,18 @@ class EditCategoriesViewModelTest {
         val vm = createViewModel()
         vm.refreshCategories()
 
-        assertEquals(
-            listOf(
-                createStoredCategory(categoryId = "1")
-            ),
-            vm.categoryList.getOrAwaitValue()
-        )
+        vm.categoryList.test {
+            assertEquals(
+                listOf(
+                    createStoredCategory(categoryId = "1")
+                ),
+                awaitItem()
+            )
+        }
     }
 
     @Test
-    fun `move category up`() {
+    fun `move category up`() = runTest {
         categoriesUseCase._categories.update {
             listOf(
                 createStoredCategory(
@@ -65,23 +61,25 @@ class EditCategoriesViewModelTest {
         vm.refreshCategories()
         vm.moveCategoryUp("2")
 
-        assertEquals(
-            listOf(
-                createStoredCategory(
-                    categoryId = "2",
-                    sortOrder = 0
+        vm.categoryList.test {
+            assertEquals(
+                listOf(
+                    createStoredCategory(
+                        categoryId = "2",
+                        sortOrder = 0
+                    ),
+                    createStoredCategory(
+                        categoryId = "1",
+                        sortOrder = 1
+                    )
                 ),
-                createStoredCategory(
-                    categoryId = "1",
-                    sortOrder = 1
-                )
-            ),
-            vm.categoryList.getOrAwaitValue()
-        )
+                awaitItem()
+            )
+        }
     }
 
     @Test
-    fun `move category down`() {
+    fun `move category down`() = runTest {
         categoriesUseCase._categories.update {
             listOf(
                 createStoredCategory(
@@ -98,61 +96,21 @@ class EditCategoriesViewModelTest {
         vm.refreshCategories()
         vm.moveCategoryDown("1")
 
-        assertEquals(
-            listOf(
-                createStoredCategory(
-                    categoryId = "2",
-                    sortOrder = 0
+        vm.categoryList.test {
+            assertEquals(
+                listOf(
+                    createStoredCategory(
+                        categoryId = "2",
+                        sortOrder = 0
+                    ),
+                    createStoredCategory(
+                        categoryId = "1",
+                        sortOrder = 1
+                    )
                 ),
-                createStoredCategory(
-                    categoryId = "1",
-                    sortOrder = 1
-                )
-            ),
-            vm.categoryList.getOrAwaitValue()
-        )
-    }
-
-    @Test
-    fun `category pages are populated`() = runTest {
-        categoriesUseCase._categories.update {
-            listOf(
-                createStoredCategory(categoryId = "1"),
-                createStoredCategory(categoryId = "2"),
-                createStoredCategory(categoryId = "3"),
-                createStoredCategory(categoryId = "4"),
-                createStoredCategory(categoryId = "5"),
-                createStoredCategory(categoryId = "6"),
-                createStoredCategory(categoryId = "7"),
-                createStoredCategory(categoryId = "8"),
-                createStoredCategory(categoryId = "9"),
+                awaitItem()
             )
         }
-        val vm = createViewModel()
-        vm.refreshCategories()
-
-        assertEquals(
-            listOf(
-                EditCategoriesPage(
-                    listOf(
-                        createStoredCategory(categoryId = "1"),
-                        createStoredCategory(categoryId = "2"),
-                        createStoredCategory(categoryId = "3"),
-                        createStoredCategory(categoryId = "4"),
-                        createStoredCategory(categoryId = "5"),
-                        createStoredCategory(categoryId = "6"),
-                        createStoredCategory(categoryId = "7"),
-                        createStoredCategory(categoryId = "8"),
-                    )
-                ),
-                EditCategoriesPage(
-                    listOf(
-                        createStoredCategory(categoryId = "9"),
-                    )
-                )
-            ),
-            vm.categoryPages.first()
-        )
     }
 
 }

gradle/libs.versions.toml

@@ -0,0 +1,5 @@
+[versions]
+turbine = "1.1.0"
+
+[libraries]
+turbine = { group = "app.cash.turbine", name = "turbine", version.ref = "turbine" }