kopia lustrzana https://github.com/vitorpamplona/amethyst
110 wiersze
4.0 KiB
Kotlin
110 wiersze
4.0 KiB
Kotlin
package com.vitorpamplona.amethyst.ui.screen.loggedIn
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import androidx.compose.foundation.layout.Arrangement
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import androidx.compose.foundation.layout.Column
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import androidx.compose.foundation.layout.Row
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import androidx.compose.foundation.layout.fillMaxHeight
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import androidx.compose.foundation.layout.fillMaxWidth
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import androidx.compose.foundation.layout.padding
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import androidx.compose.material.Divider
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import androidx.compose.material.Text
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import androidx.compose.runtime.Composable
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import androidx.compose.runtime.DisposableEffect
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import androidx.compose.runtime.LaunchedEffect
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import androidx.compose.runtime.getValue
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import androidx.compose.runtime.livedata.observeAsState
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import androidx.compose.ui.Alignment
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.platform.LocalLifecycleOwner
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import androidx.compose.ui.text.font.FontWeight
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import androidx.compose.ui.unit.dp
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import androidx.lifecycle.Lifecycle
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import androidx.lifecycle.LifecycleEventObserver
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import androidx.lifecycle.viewmodel.compose.viewModel
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import androidx.navigation.NavController
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import com.vitorpamplona.amethyst.service.NostrHashtagDataSource
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import com.vitorpamplona.amethyst.ui.dal.HashtagFeedFilter
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import com.vitorpamplona.amethyst.ui.screen.FeedView
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import com.vitorpamplona.amethyst.ui.screen.NostrHashtagFeedViewModel
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@Composable
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fun HashtagScreen(tag: String?, accountViewModel: AccountViewModel, navController: NavController) {
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val accountState by accountViewModel.accountLiveData.observeAsState()
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val account = accountState?.account ?: return
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val lifeCycleOwner = LocalLifecycleOwner.current
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if (tag != null) {
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val feedViewModel: NostrHashtagFeedViewModel = viewModel()
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LaunchedEffect(tag) {
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HashtagFeedFilter.loadHashtag(account, tag)
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NostrHashtagDataSource.loadHashtag(tag)
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feedViewModel.invalidateData()
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}
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DisposableEffect(accountViewModel) {
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val observer = LifecycleEventObserver { _, event ->
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if (event == Lifecycle.Event.ON_RESUME) {
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println("Hashtag Start")
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HashtagFeedFilter.loadHashtag(account, tag)
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NostrHashtagDataSource.loadHashtag(tag)
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NostrHashtagDataSource.start()
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feedViewModel.invalidateData()
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}
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if (event == Lifecycle.Event.ON_PAUSE) {
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println("Hashtag Stop")
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HashtagFeedFilter.loadHashtag(account, null)
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NostrHashtagDataSource.loadHashtag(null)
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NostrHashtagDataSource.stop()
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}
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}
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lifeCycleOwner.lifecycle.addObserver(observer)
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onDispose {
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lifeCycleOwner.lifecycle.removeObserver(observer)
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}
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}
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Column(Modifier.fillMaxHeight()) {
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Column(
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modifier = Modifier.padding(vertical = 0.dp)
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) {
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HashtagHeader(tag)
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FeedView(feedViewModel, accountViewModel, navController, null)
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}
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}
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}
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}
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@Composable
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fun HashtagHeader(tag: String) {
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Column() {
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Column(modifier = Modifier.padding(12.dp)) {
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Row(verticalAlignment = Alignment.CenterVertically) {
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Column(
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modifier = Modifier
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.padding(start = 10.dp)
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.weight(1f)
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) {
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Row(
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verticalAlignment = Alignment.CenterVertically,
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horizontalArrangement = Arrangement.Center,
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modifier = Modifier.fillMaxWidth()
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) {
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Text(
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"#$tag",
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fontWeight = FontWeight.Bold
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)
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}
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}
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}
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}
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Divider(
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modifier = Modifier.padding(start = 12.dp, end = 12.dp),
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thickness = 0.25.dp
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)
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}
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}
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