58 lines
1.6 KiB
Kotlin
58 lines
1.6 KiB
Kotlin
package xyz.pixelatedw.recipe.data
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import androidx.lifecycle.ViewModel
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import kotlinx.coroutines.flow.MutableStateFlow
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import kotlinx.coroutines.flow.asStateFlow
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import kotlinx.coroutines.flow.update
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class RecipesView : ViewModel() {
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private val _activeRecipe = MutableStateFlow<RecipeWithTags?>( null )
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val activeRecipe = _activeRecipe.asStateFlow()
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private val _recipes = MutableStateFlow<List<RecipeWithTags>>( arrayListOf() )
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val recipes = _recipes.asStateFlow()
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private val _tagFilters = MutableStateFlow<List<TagFilter>>( arrayListOf() )
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val tagFilters = _tagFilters.asStateFlow()
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private val _search = MutableStateFlow<String?>(null)
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val search = _search.asStateFlow()
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private val _keepScreenOn = MutableStateFlow<Boolean>(false)
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val keepScreenOn = _keepScreenOn.asStateFlow()
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fun setTagFilterState(tag: String, state: Boolean) {
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_tagFilters.value = _tagFilters.value.toMutableList().apply { replaceAll { it -> if (tag == it.tag) it.checked = state; it } }.toList()
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}
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fun setKeepScreenOn(flag: Boolean) {
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_keepScreenOn.update { flag }
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}
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fun setRecipes(recipes: List<RecipeWithTags>) {
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_recipes.update { recipes }
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val filters = arrayListOf<TagFilter>()
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_recipes.value.stream()
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.filter { it.tags.isNotEmpty() }
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.forEach {
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it.tags.forEach {tag -> filters.add(TagFilter(tag.name))}
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}
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_tagFilters.update { filters.distinct() }
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}
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fun removeRecipe(recipe: RecipeWithTags) {
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_recipes.value = _recipes.value.toMutableList().apply { remove(recipe) }.toList()
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}
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fun setSearch(search: String) {
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_search.update { search }
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}
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fun setActive(recipe: RecipeWithTags) {
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_activeRecipe.update { recipe }
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}
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}
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