106 lines
3.4 KiB
Kotlin
106 lines
3.4 KiB
Kotlin
/*
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* Copyright (C) 2020 Conny Duck
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*
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* This file is part of Pixelcat.
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*
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* Pixelcat is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Pixelcat is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package at.connyduck.pixelcat.components.profile
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import androidx.lifecycle.MutableLiveData
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import androidx.lifecycle.ViewModel
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import androidx.lifecycle.viewModelScope
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import androidx.paging.ExperimentalPagingApi
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import androidx.paging.Pager
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import androidx.paging.PagingConfig
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import androidx.paging.cachedIn
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import at.connyduck.pixelcat.components.util.Error
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import at.connyduck.pixelcat.components.util.Success
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import at.connyduck.pixelcat.components.util.UiState
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import at.connyduck.pixelcat.db.AccountManager
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import at.connyduck.pixelcat.model.Account
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import at.connyduck.pixelcat.model.Relationship
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import at.connyduck.pixelcat.network.FediverseApi
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import kotlinx.coroutines.FlowPreview
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import kotlinx.coroutines.launch
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import javax.inject.Inject
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@OptIn(FlowPreview::class, ExperimentalPagingApi::class)
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class ProfileViewModel @Inject constructor(
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private val api: FediverseApi,
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private val accountManager: AccountManager
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) : ViewModel() {
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val profile = MutableLiveData<UiState<Account>>()
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val relationship = MutableLiveData<UiState<Relationship>>()
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val imageFlow = Pager(
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config = PagingConfig(pageSize = 10, enablePlaceholders = false),
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pagingSourceFactory = { ProfileImagePagingSource(api, accountId, accountManager) }
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).flow
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.cachedIn(viewModelScope)
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val isSelf: Boolean
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get() = accountId == null
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private var accountId: String? = null
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fun load(reload: Boolean = false) {
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loadAccount(reload)
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if (!isSelf) {
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loadRelationship(reload)
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}
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}
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fun setAccountInfo(accountId: String?) {
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this@ProfileViewModel.accountId = accountId
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load(false)
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}
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private fun loadAccount(reload: Boolean = false) {
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if (profile.value == null || reload) {
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viewModelScope.launch {
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api.account(getAccountId()).fold(
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{
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profile.value = Success(it)
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},
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{
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profile.value = Error(cause = it)
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}
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)
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}
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}
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}
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private fun loadRelationship(reload: Boolean = false) {
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if (relationship.value == null || reload) {
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viewModelScope.launch {
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api.relationships(listOf(getAccountId())).fold(
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{
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relationship.value = Success(it.first())
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},
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{
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relationship.value = Error(cause = it)
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}
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)
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}
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}
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}
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private suspend fun getAccountId(): String {
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return accountId ?: accountManager.activeAccount()?.accountId!!
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}
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}
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