refactor compose & announcements to coroutines (#2446)
* refactor compose & announcements to coroutines * fix code formatting * add javadoc to InstanceInfoRepository * fix comments in ImageDownsizer * remove unused Either extensions * add explicit return type for InstanceInfoRepository.getEmojis * make ComposeViewModel.pickMedia return Result * cleanup code in ImageDownsizer
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Konrad Pozniak
GitHub
parent
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commit
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15 changed files with 596 additions and 628 deletions
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/* Copyright 2022 Tusky contributors
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*
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* This file is a part of Tusky.
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* 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 along with Tusky; if not,
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* see <http://www.gnu.org/licenses>. */
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package com.keylesspalace.tusky.components.instanceinfo
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data class InstanceInfo(
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val maxChars: Int,
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val pollMaxOptions: Int,
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val pollMaxLength: Int,
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val pollMinDuration: Int,
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val pollMaxDuration: Int,
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val charactersReservedPerUrl: Int,
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val supportsScheduled: Boolean
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)
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/* Copyright 2022 Tusky contributors
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*
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* This file is a part of Tusky.
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* 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 along with Tusky; if not,
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* see <http://www.gnu.org/licenses>. */
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package com.keylesspalace.tusky.components.instanceinfo
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import android.util.Log
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import com.keylesspalace.tusky.db.AccountManager
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import com.keylesspalace.tusky.db.AppDatabase
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import com.keylesspalace.tusky.db.EmojisEntity
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import com.keylesspalace.tusky.db.InstanceInfoEntity
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import com.keylesspalace.tusky.entity.Emoji
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import com.keylesspalace.tusky.network.MastodonApi
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import com.keylesspalace.tusky.util.VersionUtils
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.withContext
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import javax.inject.Inject
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class InstanceInfoRepository @Inject constructor(
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private val api: MastodonApi,
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db: AppDatabase,
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accountManager: AccountManager
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) {
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private val dao = db.instanceDao()
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private val instanceName = accountManager.activeAccount!!.domain
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/**
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* Returns the custom emojis of the instance.
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* Will always try to fetch them from the api, falls back to cached Emojis in case it is not available.
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* Never throws, returns empty list in case of error.
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*/
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suspend fun getEmojis(): List<Emoji> = withContext(Dispatchers.IO) {
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api.getCustomEmojis()
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.onSuccess { emojiList -> dao.insertOrReplace(EmojisEntity(instanceName, emojiList)) }
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.getOrElse { throwable ->
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Log.w(TAG, "failed to load custom emojis, falling back to cache", throwable)
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dao.getEmojiInfo(instanceName)?.emojiList.orEmpty()
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}
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}
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/**
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* Returns information about the instance.
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* Will always try to fetch the most up-to-date data from the api, falls back to cache in case it is not available.
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* Never throws, returns defaults of vanilla Mastodon in case of error.
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*/
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suspend fun getInstanceInfo(): InstanceInfo = withContext(Dispatchers.IO) {
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api.getInstance()
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.fold(
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{ instance ->
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val instanceEntity = InstanceInfoEntity(
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instance = instanceName,
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maximumTootCharacters = instance.configuration?.statuses?.maxCharacters ?: instance.maxTootChars,
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maxPollOptions = instance.configuration?.polls?.maxOptions ?: instance.pollConfiguration?.maxOptions,
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maxPollOptionLength = instance.configuration?.polls?.maxCharactersPerOption ?: instance.pollConfiguration?.maxOptionChars,
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minPollDuration = instance.configuration?.polls?.minExpiration ?: instance.pollConfiguration?.minExpiration,
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maxPollDuration = instance.configuration?.polls?.maxExpiration ?: instance.pollConfiguration?.maxExpiration,
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charactersReservedPerUrl = instance.configuration?.statuses?.charactersReservedPerUrl,
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version = instance.version
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)
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dao.insertOrReplace(instanceEntity)
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instanceEntity
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},
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{ throwable ->
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Log.w(TAG, "failed to instance, falling back to cache and default values", throwable)
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dao.getInstanceInfo(instanceName)
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}
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).let { instanceInfo: InstanceInfoEntity? ->
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InstanceInfo(
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maxChars = instanceInfo?.maximumTootCharacters ?: DEFAULT_CHARACTER_LIMIT,
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pollMaxOptions = instanceInfo?.maxPollOptions ?: DEFAULT_MAX_OPTION_COUNT,
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pollMaxLength = instanceInfo?.maxPollOptionLength ?: DEFAULT_MAX_OPTION_LENGTH,
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pollMinDuration = instanceInfo?.minPollDuration ?: DEFAULT_MIN_POLL_DURATION,
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pollMaxDuration = instanceInfo?.maxPollDuration ?: DEFAULT_MAX_POLL_DURATION,
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charactersReservedPerUrl = instanceInfo?.charactersReservedPerUrl ?: DEFAULT_CHARACTERS_RESERVED_PER_URL,
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supportsScheduled = instanceInfo?.version?.let { VersionUtils(it).supportsScheduledToots() } ?: false
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)
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}
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}
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companion object {
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private const val TAG = "InstanceInfoRepo"
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const val DEFAULT_CHARACTER_LIMIT = 500
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private const val DEFAULT_MAX_OPTION_COUNT = 4
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private const val DEFAULT_MAX_OPTION_LENGTH = 50
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private const val DEFAULT_MIN_POLL_DURATION = 300
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private const val DEFAULT_MAX_POLL_DURATION = 604800
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// Mastodon only counts URLs as this long in terms of status character limits
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const val DEFAULT_CHARACTERS_RESERVED_PER_URL = 23
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}
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}
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