Yuito-app-android/app/src/main/java/com/keylesspalace/tusky/viewmodel/AccountsInListViewModel.kt

95 lines
3.7 KiB
Kotlin

/* Copyright 2017 Andrew Dawson
*
* This file is a part of Tusky.
*
* This program is free software; you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* You should have received a copy of the GNU General Public License along with Tusky; if not,
* see <http://www.gnu.org/licenses>.
*/
package com.keylesspalace.tusky.viewmodel
import android.util.Log
import androidx.lifecycle.ViewModel
import com.keylesspalace.tusky.entity.Account
import com.keylesspalace.tusky.network.MastodonApi
import com.keylesspalace.tusky.util.Either
import com.keylesspalace.tusky.util.Either.Left
import com.keylesspalace.tusky.util.Either.Right
import com.keylesspalace.tusky.util.withoutFirstWhich
import io.reactivex.Observable
import io.reactivex.disposables.CompositeDisposable
import io.reactivex.rxkotlin.addTo
import io.reactivex.subjects.BehaviorSubject
import javax.inject.Inject
data class State(val accounts: Either<Throwable, List<Account>>, val searchResult: List<Account>?)
class AccountsInListViewModel @Inject constructor(private val api: MastodonApi) : ViewModel() {
val state: Observable<State> get() = _state
private val _state = BehaviorSubject.createDefault(State(Right(listOf()), null))
private val disposable = CompositeDisposable()
fun load(listId: String) {
val state = _state.value!!
if (state.accounts.isLeft() || state.accounts.asRight().isEmpty()) {
api.getAccountsInList(listId, 0).subscribe({ accounts ->
updateState { copy(accounts = Right(accounts)) }
}, { e ->
updateState { copy(accounts = Left(e)) }
}).addTo(disposable)
}
}
fun addAccountToList(listId: String, account: Account) {
api.addCountToList(listId, listOf(account.id))
.subscribe({
updateState {
copy(accounts = accounts.map { it + account })
}
}, {
Log.i(javaClass.simpleName,
"Failed to add account to the list: ${account.username}")
})
.addTo(disposable)
}
fun deleteAccountFromList(listId: String, accountId: String) {
api.deleteAccountFromList(listId, listOf(accountId))
.subscribe({
updateState {
copy(accounts = accounts.map { accounts ->
accounts.withoutFirstWhich { it.id == accountId }
})
}
}, {
Log.i(javaClass.simpleName, "Failed to remove account from thelist: $accountId")
})
.addTo(disposable)
}
fun search(query: String) {
when {
query.isEmpty() -> updateState { copy(searchResult = null) }
query.isBlank() -> updateState { copy(searchResult = listOf()) }
else -> api.searchAccounts(query, null, 10, true)
.subscribe({ result ->
updateState { copy(searchResult = result) }
}, {
updateState { copy(searchResult = listOf()) }
}).addTo(disposable)
}
}
private inline fun updateState(crossinline fn: State.() -> State) {
_state.onNext(fn(_state.value!!))
}
}