Feature/Show groups list #45
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| package br.com.mob1st.bet.features.groups | ||
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| import androidx.compose.foundation.layout.* | ||
| import androidx.compose.foundation.lazy.LazyColumn | ||
| import androidx.compose.foundation.lazy.itemsIndexed | ||
| import androidx.compose.material.icons.Icons | ||
| import androidx.compose.material.icons.filled.Person | ||
| import androidx.compose.material3.CircularProgressIndicator | ||
| import androidx.compose.material3.Icon | ||
| import androidx.compose.material3.MaterialTheme | ||
| import androidx.compose.material3.ProvideTextStyle | ||
| import androidx.compose.material3.Text | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.runtime.LaunchedEffect | ||
| import androidx.compose.runtime.getValue | ||
| import androidx.compose.ui.Alignment | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.res.stringResource | ||
| import androidx.lifecycle.compose.ExperimentalLifecycleComposeApi | ||
| import androidx.lifecycle.compose.collectAsStateWithLifecycle | ||
| import arrow.optics.Fold.Companion.string | ||
| import br.com.mob1st.bet.R | ||
| import br.com.mob1st.bet.core.ui.compose.LocalLazyListState | ||
| import br.com.mob1st.bet.core.ui.compose.LocalSnackbarState | ||
| import br.com.mob1st.bet.core.ui.ds.molecule.AddButton | ||
| import br.com.mob1st.bet.core.ui.ds.molecule.RetrySnackbar | ||
| import br.com.mob1st.bet.core.ui.ds.organisms.FetchedCrossfade | ||
| import br.com.mob1st.bet.core.ui.ds.organisms.GroupRow | ||
| import br.com.mob1st.bet.core.ui.ds.page.DefaultErrorPage | ||
| import br.com.mob1st.bet.core.ui.ds.templates.InfoTemplate | ||
| import br.com.mob1st.bet.core.ui.state.AsyncState | ||
| import br.com.mob1st.bet.core.ui.state.SimpleMessage | ||
| import br.com.mob1st.bet.core.utils.extensions.ifNotEmpty | ||
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| @OptIn(ExperimentalLifecycleComposeApi::class) | ||
| @Composable | ||
| fun GroupsTabScreen( | ||
| viewModel: GroupTabViewModel, | ||
| onNavigateToCreateGroups: () -> Unit, | ||
| onNavigateToGroupDetails: () -> Unit | ||
| ) { | ||
| val state by viewModel.uiState.collectAsStateWithLifecycle() | ||
| val listGroups = viewModel.groups | ||
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| LaunchedEffect(listGroups) { | ||
| viewModel.getGroups() | ||
| } | ||
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| Column( | ||
| horizontalAlignment = Alignment.CenterHorizontally, | ||
| verticalArrangement = Arrangement.Top , | ||
| modifier = Modifier.fillMaxSize() | ||
| ) { | ||
| ProvideTextStyle(MaterialTheme.typography.headlineMedium){ | ||
| Text(stringResource(id = R.string.group_title)) | ||
| } | ||
| AddButton(onNavigateToCreateGroups) | ||
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| GroupsPage( | ||
| state = state, | ||
| onTryAgain = { viewModel.fromUi(GroupsUIEvent.TryAgain(it)) } , | ||
| onDismiss = { viewModel.messageShown(it) } | ||
| ) | ||
| } | ||
| } | ||
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| @Composable | ||
| fun GroupsPage( | ||
| state: AsyncState<GroupsListData>, | ||
| onTryAgain: (SimpleMessage) -> Unit, | ||
| onDismiss: (SimpleMessage) -> Unit | ||
| ) { | ||
| Box( | ||
| contentAlignment = Alignment.Center | ||
| ) { | ||
| FetchedCrossfade( | ||
| state = state, | ||
| emptyError = {_, message -> DefaultErrorPage(message, onTryAgain)}, | ||
| emptyLoading = { EmptyLoading() }, | ||
| empty = { GroupsEmptyData() }, | ||
| data = { | ||
| GroupsData( | ||
| state = it, | ||
| onTryAgain = onTryAgain, | ||
| onDismiss = onDismiss | ||
| ) | ||
| } | ||
| ) | ||
| } | ||
| } | ||
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| @Composable | ||
| fun GroupsData( | ||
| state: AsyncState<GroupsListData>, | ||
| onTryAgain: (SimpleMessage) -> Unit, | ||
| onDismiss: (SimpleMessage) -> Unit | ||
| ) { | ||
| state.messages.ifNotEmpty { | ||
| RetrySnackbar( | ||
| snackbarHostState = LocalSnackbarState.current, | ||
| message = stringResource(id = it.descriptionResId), | ||
| onDismiss = { onDismiss(it) }, | ||
| onRetry = { onTryAgain(it) } | ||
| ) | ||
| } | ||
| LazyColumn( | ||
| modifier = Modifier.fillMaxSize(), | ||
| state = LocalLazyListState.current | ||
| ) { | ||
| itemsIndexed( | ||
| state.data.groupList, | ||
| key = { _, item -> item.id }, | ||
| ) { _, item -> | ||
| GroupRow(groupName = item.name, currentMembersNumber = 4, maxMembers = 4) {} | ||
| } | ||
| } | ||
| } | ||
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| @Composable | ||
| fun EmptyLoading() { | ||
| Box(modifier = Modifier.fillMaxSize(), contentAlignment = Alignment.Center) { | ||
| CircularProgressIndicator() | ||
| } | ||
| } | ||
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| @Composable | ||
| fun GroupsEmptyData() { | ||
| InfoTemplate( | ||
| icon = { Icon(imageVector = Icons.Default.Person, contentDescription = "groups tab") }, | ||
| title = { stringResource(id = R.string.group_empty_list_title ) }, | ||
| description = { stringResource(id = R.string.group_empty_list_description) } | ||
| ) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| package br.com.mob1st.bet.features.groups | ||
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| import br.com.mob1st.bet.core.ui.state.FetchedData | ||
| import br.com.mob1st.bet.core.ui.state.SimpleMessage | ||
| import br.com.mob1st.bet.core.ui.state.StateViewModel | ||
| import br.com.mob1st.bet.features.groups.domain.GetGroupsUseCase | ||
| import br.com.mob1st.bet.features.groups.domain.GroupEntry | ||
| import kotlinx.coroutines.flow.MutableStateFlow | ||
| import kotlinx.coroutines.flow.StateFlow | ||
| import org.koin.android.annotation.KoinViewModel | ||
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| data class GroupsListData( | ||
| val groupList: List<GroupEntry> = emptyList() | ||
| ) : FetchedData { | ||
| override fun hasData(): Boolean = groupList.isNotEmpty() | ||
| } | ||
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| sealed class GroupsUIEvent { | ||
| data class TryAgain(val message: SimpleMessage) : GroupsUIEvent() | ||
| } | ||
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| @KoinViewModel | ||
| class GroupTabViewModel( | ||
| private val getGroupsUseCase: GetGroupsUseCase | ||
| ) : StateViewModel<GroupsListData, GroupsUIEvent>(GroupsListData(), loading = false) { | ||
| override fun fromUi(uiEvent: GroupsUIEvent) { | ||
| when (uiEvent) { | ||
| is GroupsUIEvent.TryAgain -> tryAgain(uiEvent.message) | ||
| } | ||
| } | ||
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| private val _groups = MutableStateFlow<List<GroupEntry>>(emptyList()) | ||
| val groups: StateFlow<List<GroupEntry>> = _groups | ||
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| init { | ||
| getGroups() | ||
| } | ||
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| private fun tryAgain(message: SimpleMessage) { | ||
| messageShown(message, loading = true) | ||
| getGroups() | ||
| } | ||
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| fun getGroups() { | ||
| setAsync { | ||
| val listGroups = getGroupsUseCase() | ||
| logger.d("fetch ${listGroups.size} groups") | ||
| _groups.value = listGroups | ||
| it.data(data = it.data.copy(groupList = listGroups)) | ||
| } | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,16 @@ | ||
| package br.com.mob1st.bet.features.groups.domain | ||
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| import br.com.mob1st.bet.features.profile.domain.UserRepository | ||
| import org.koin.core.annotation.Factory | ||
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| @Factory | ||
| class GetGroupsUseCase( | ||
| private val repository: GroupRepository, | ||
| private val userRepository: UserRepository | ||
| ) { | ||
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| suspend operator fun invoke(): List<GroupEntry> { | ||
| return repository.getGroups(userRepository.get()) | ||
| } | ||
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| } |
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tem algum motivo pra essa função ser pública?
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Sim, ele é usado no GroupTabScreen, pra quando eu adicionar um novo grupo a tela ja mostrar a lista atualizada, ai chama essa função de novo.