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Read navigation argumens in ViewModel

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This commit is contained in:
Kirill Kamakin
2022-11-05 13:27:16 +01:00
parent a4565e4685
commit ff38ce655d
2 changed files with 20 additions and 22 deletions
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3
app/src/main/java/gq/kirmanak/mealient/ui/recipes/info/RecipeInfoFragment.kt
View File

@@ -7,7 +7,6 @@ import android.view.View
import android.view.ViewGroup import android.view.ViewGroup
import androidx.core.view.isVisible import androidx.core.view.isVisible
import androidx.fragment.app.viewModels import androidx.fragment.app.viewModels
import androidx.navigation.fragment.navArgs
import by.kirich1409.viewbindingdelegate.viewBinding import by.kirich1409.viewbindingdelegate.viewBinding
import com.google.android.material.bottomsheet.BottomSheetDialog import com.google.android.material.bottomsheet.BottomSheetDialog
import com.google.android.material.bottomsheet.BottomSheetDialogFragment import com.google.android.material.bottomsheet.BottomSheetDialogFragment
@@ -22,7 +21,6 @@ import javax.inject.Inject
class RecipeInfoFragment : BottomSheetDialogFragment() { class RecipeInfoFragment : BottomSheetDialogFragment() {
private val binding by viewBinding(FragmentRecipeInfoBinding::bind) private val binding by viewBinding(FragmentRecipeInfoBinding::bind)
private val arguments by navArgs<RecipeInfoFragmentArgs>()
private val viewModel by viewModels<RecipeInfoViewModel>() private val viewModel by viewModels<RecipeInfoViewModel>()
private val ingredientsAdapter by lazy { recipeIngredientsAdapterFactory.build() } private val ingredientsAdapter by lazy { recipeIngredientsAdapterFactory.build() }
private val instructionsAdapter by lazy { recipeInstructionsAdapterFactory.build() } private val instructionsAdapter by lazy { recipeInstructionsAdapterFactory.build() }
@@ -58,7 +56,6 @@ class RecipeInfoFragment : BottomSheetDialogFragment() {
} }
with(viewModel) { with(viewModel) {
loadRecipeInfo(arguments.recipeId, arguments.recipeSlug)
uiState.observe(viewLifecycleOwner, ::onUiStateChange) uiState.observe(viewLifecycleOwner, ::onUiStateChange)
} }
} }

29
app/src/main/java/gq/kirmanak/mealient/ui/recipes/info/RecipeInfoViewModel.kt
View File

@@ -1,39 +1,40 @@
package gq.kirmanak.mealient.ui.recipes.info package gq.kirmanak.mealient.ui.recipes.info
import androidx.lifecycle.LiveData import androidx.lifecycle.LiveData
import androidx.lifecycle.MutableLiveData import androidx.lifecycle.SavedStateHandle
import androidx.lifecycle.ViewModel import androidx.lifecycle.ViewModel
import androidx.lifecycle.viewModelScope import androidx.lifecycle.liveData
import dagger.hilt.android.lifecycle.HiltViewModel import dagger.hilt.android.lifecycle.HiltViewModel
import gq.kirmanak.mealient.data.recipes.RecipeRepo import gq.kirmanak.mealient.data.recipes.RecipeRepo
import gq.kirmanak.mealient.datasource.runCatchingExceptCancel import gq.kirmanak.mealient.datasource.runCatchingExceptCancel
import gq.kirmanak.mealient.logging.Logger import gq.kirmanak.mealient.logging.Logger
import kotlinx.coroutines.launch
import javax.inject.Inject import javax.inject.Inject
@HiltViewModel @HiltViewModel
class RecipeInfoViewModel @Inject constructor( class RecipeInfoViewModel @Inject constructor(
private val recipeRepo: RecipeRepo, private val recipeRepo: RecipeRepo,
private val logger: Logger, private val logger: Logger,
savedStateHandle: SavedStateHandle,
) : ViewModel() { ) : ViewModel() {
private val _uiState = MutableLiveData(RecipeInfoUiState()) private val args = RecipeInfoFragmentArgs.fromSavedStateHandle(savedStateHandle)
val uiState: LiveData<RecipeInfoUiState> get() = _uiState
fun loadRecipeInfo(recipeId: String, recipeSlug: String) { val uiState: LiveData<RecipeInfoUiState> = liveData {
logger.v { "loadRecipeInfo() called with: recipeId = $recipeId, recipeSlug = $recipeSlug" } logger.v { "Initializing UI state with args = $args" }
_uiState.value = RecipeInfoUiState() emit(RecipeInfoUiState())
viewModelScope.launch { runCatchingExceptCancel {
runCatchingExceptCancel { recipeRepo.loadRecipeInfo(recipeId, recipeSlug) } recipeRepo.loadRecipeInfo(args.recipeId, args.recipeSlug)
.onSuccess { }.onSuccess {
logger.d { "loadRecipeInfo: received recipe info = $it" } logger.d { "loadRecipeInfo: received recipe info = $it" }
_uiState.value = RecipeInfoUiState( val newState = RecipeInfoUiState(
areIngredientsVisible = it.recipeIngredients.isNotEmpty(), areIngredientsVisible = it.recipeIngredients.isNotEmpty(),
areInstructionsVisible = it.recipeInstructions.isNotEmpty(), areInstructionsVisible = it.recipeInstructions.isNotEmpty(),
recipeInfo = it, recipeInfo = it,
) )
} emit(newState)
.onFailure { logger.e(it) { "loadRecipeInfo: can't load recipe info" } } }.onFailure {
logger.e(it) { "loadRecipeInfo: can't load recipe info" }
} }
} }
} }