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Adding FeedViewModel. #562
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,14 +1,14 @@ | ||
| root = true | ||
|
|
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| [*.{kt,kts}] | ||
| max_line_length = 120 | ||
| max_line_length = 140 | ||
| indent_size = 4 | ||
| insert_final_newline = true | ||
| ij_kotlin_allow_trailing_comma = true | ||
| ij_kotlin_allow_trailing_comma_on_call_site = true | ||
| ktlint_function_naming_ignore_when_annotated_with = Composable | ||
| ktlint_function_signature_rule_force_multiline_when_parameter_count_greater_or_equal_than = 1 | ||
| ktlint_standard_property-naming = disabled | ||
| ktlint_standard_max-line-length = disabled | ||
| ktlint_standard_chain-method-continuation = disabled | ||
| ktlint_standard_function-expression-body = disabled | ||
| ktlint_standard_multiline-expression-wrapping = disabled | ||
| ktlint_standard_string-template-indent = disabled |
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30 changes: 30 additions & 0 deletions
30
...ed/app/src/commonMain/kotlin/com/adammcneilly/pocketleague/shared/app/feed/FeedUiState.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| package com.adammcneilly.pocketleague.shared.app.feed | ||
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| import com.adammcneilly.pocketleague.core.displaymodels.EventGroupDisplayModel | ||
| import com.adammcneilly.pocketleague.core.displaymodels.MatchDetailDisplayModel | ||
|
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| data class FeedUiState( | ||
| val recentMatches: List<MatchDetailDisplayModel>, | ||
| val ongoingEvents: List<EventGroupDisplayModel>, | ||
| val upcomingEvents: List<EventGroupDisplayModel>, | ||
| ) { | ||
| companion object { | ||
| private const val PLACEHOLDER_LIST_COUNT = 3 | ||
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|
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| /** | ||
| * Returns a default instance of [FeedUiState] where all display models are set | ||
| * to placeholders to display during a default loading state. | ||
| */ | ||
| fun placeholderState(): FeedUiState { | ||
| val recentMatches = List(PLACEHOLDER_LIST_COUNT) { | ||
| MatchDetailDisplayModel.placeholder | ||
| } | ||
|
|
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| return FeedUiState( | ||
| recentMatches = recentMatches, | ||
| ongoingEvents = EventGroupDisplayModel.placeholder, | ||
| upcomingEvents = EventGroupDisplayModel.placeholder, | ||
| ) | ||
| } | ||
| } | ||
| } |
88 changes: 88 additions & 0 deletions
88
.../app/src/commonMain/kotlin/com/adammcneilly/pocketleague/shared/app/feed/FeedViewModel.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| package com.adammcneilly.pocketleague.shared.app.feed | ||
|
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| import androidx.lifecycle.ViewModel | ||
| import androidx.lifecycle.viewModelScope | ||
| import com.adammcneilly.pocketleague.core.datetime.TimeProvider | ||
| import com.adammcneilly.pocketleague.core.displaymodels.EventGroupDisplayModel | ||
| import com.adammcneilly.pocketleague.core.displaymodels.toDetailDisplayModel | ||
| import com.adammcneilly.pocketleague.core.displaymodels.toSummaryDisplayModel | ||
| import com.adammcneilly.pocketleague.core.models.Event | ||
| import kotlinx.coroutines.flow.MutableStateFlow | ||
| import kotlinx.coroutines.flow.asStateFlow | ||
| import kotlinx.coroutines.flow.map | ||
| import kotlinx.coroutines.flow.update | ||
| import kotlinx.coroutines.launch | ||
|
|
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| class FeedViewModel( | ||
| private val getPastWeeksMatchesUseCase: GetPastWeeksMatchesUseCase, | ||
| private val getOngoingEventsUseCase: GetOngoingEventsUseCase, | ||
| private val getUpcomingEventsUseCase: GetUpcomingEventsUseCase, | ||
| private val timeProvider: TimeProvider, | ||
| ) : ViewModel() { | ||
| private val mutableState = MutableStateFlow(FeedUiState.placeholderState()) | ||
| val state = mutableState.asStateFlow() | ||
|
|
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| init { | ||
| observePastWeeksMatches() | ||
| observeOngoingEvents() | ||
| observeUpcomingEvents() | ||
| } | ||
|
|
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| private fun observePastWeeksMatches() { | ||
| val matchFlow = getPastWeeksMatchesUseCase | ||
| .invoke() | ||
| .map { matchList -> | ||
| matchList.map { match -> | ||
| match.toDetailDisplayModel(timeProvider) | ||
| } | ||
| } | ||
|
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| viewModelScope.launch { | ||
| matchFlow.collect { matchList -> | ||
| mutableState.update { currentState -> | ||
| currentState.copy( | ||
| recentMatches = matchList, | ||
| ) | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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| private fun observeOngoingEvents() { | ||
| val eventFlow = getOngoingEventsUseCase | ||
| .invoke() | ||
| .map { eventList -> | ||
| eventList.map(Event::toSummaryDisplayModel) | ||
| } | ||
| .map(EventGroupDisplayModel.Companion::mapFromEventList) | ||
|
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| viewModelScope.launch { | ||
| eventFlow.collect { eventList -> | ||
| mutableState.update { currentState -> | ||
| currentState.copy( | ||
| ongoingEvents = eventList, | ||
| ) | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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||
| private fun observeUpcomingEvents() { | ||
| val eventFlow = getUpcomingEventsUseCase | ||
| .invoke() | ||
| .map { eventList -> | ||
| eventList.map(Event::toSummaryDisplayModel) | ||
| } | ||
| .map(EventGroupDisplayModel.Companion::mapFromEventList) | ||
|
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| viewModelScope.launch { | ||
| eventFlow.collect { eventList -> | ||
| mutableState.update { currentState -> | ||
| currentState.copy( | ||
| ongoingEvents = eventList, | ||
| ) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
26 changes: 26 additions & 0 deletions
26
...ommonMain/kotlin/com/adammcneilly/pocketleague/shared/app/feed/GetOngoingEventsUseCase.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| package com.adammcneilly.pocketleague.shared.app.feed | ||
|
|
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| import com.adammcneilly.pocketleague.core.datetime.TimeProvider | ||
| import com.adammcneilly.pocketleague.core.models.Event | ||
| import com.adammcneilly.pocketleague.data.event.api.EventListRequest | ||
| import com.adammcneilly.pocketleague.data.event.api.EventRepository | ||
| import kotlinx.coroutines.flow.Flow | ||
|
|
||
| /** | ||
| * Return an observable type of events that are currently happening on today's date. | ||
| */ | ||
| class GetOngoingEventsUseCase( | ||
| private val eventRepository: EventRepository, | ||
| private val timeProvider: TimeProvider, | ||
| ) { | ||
| /** | ||
| * @see [GetOngoingEventsUseCase] | ||
| */ | ||
| fun invoke(): Flow<List<Event>> { | ||
| val request = EventListRequest.OnDate( | ||
| dateUtc = timeProvider.now(), | ||
| ) | ||
|
|
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| return eventRepository.stream(request) | ||
| } | ||
| } |
26 changes: 26 additions & 0 deletions
26
...mmonMain/kotlin/com/adammcneilly/pocketleague/shared/app/feed/GetUpcomingEventsUseCase.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| package com.adammcneilly.pocketleague.shared.app.feed | ||
|
|
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| import com.adammcneilly.pocketleague.core.datetime.TimeProvider | ||
| import com.adammcneilly.pocketleague.core.models.Event | ||
| import com.adammcneilly.pocketleague.data.event.api.EventListRequest | ||
| import com.adammcneilly.pocketleague.data.event.api.EventRepository | ||
| import kotlinx.coroutines.flow.Flow | ||
|
|
||
| /** | ||
| * Return an observable type of events that are upcoming from today's date. | ||
| */ | ||
| class GetUpcomingEventsUseCase( | ||
| private val eventRepository: EventRepository, | ||
| private val timeProvider: TimeProvider, | ||
| ) { | ||
| /** | ||
| * @see [GetUpcomingEventsUseCase] | ||
| */ | ||
| fun invoke(): Flow<List<Event>> { | ||
| val request = EventListRequest.AfterDate( | ||
| dateUtc = timeProvider.now(), | ||
| ) | ||
|
|
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| return eventRepository.stream(request) | ||
| } | ||
| } |
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This mapping can probably go into the use case.