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@ -16,28 +16,64 @@
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package com.keylesspalace.tusky.components.instanceinfo |
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import android.util.Log |
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import at.connyduck.calladapter.networkresult.fold |
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import at.connyduck.calladapter.networkresult.NetworkResult |
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import at.connyduck.calladapter.networkresult.getOrElse |
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import at.connyduck.calladapter.networkresult.getOrThrow |
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import at.connyduck.calladapter.networkresult.map |
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import at.connyduck.calladapter.networkresult.onSuccess |
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import at.connyduck.calladapter.networkresult.recover |
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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.di.ApplicationScope |
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import com.keylesspalace.tusky.entity.Emoji |
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import com.keylesspalace.tusky.entity.Instance |
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import com.keylesspalace.tusky.entity.InstanceV1 |
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import com.keylesspalace.tusky.network.MastodonApi |
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import com.keylesspalace.tusky.util.isHttpNotFound |
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import java.util.concurrent.ConcurrentHashMap |
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import javax.inject.Inject |
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import javax.inject.Singleton |
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import kotlinx.coroutines.CoroutineScope |
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import kotlinx.coroutines.Dispatchers |
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import kotlinx.coroutines.launch |
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import kotlinx.coroutines.withContext |
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@Singleton |
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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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private val accountManager: AccountManager, |
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@ApplicationScope |
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private val externalScope: CoroutineScope |
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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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private val instanceName |
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get() = accountManager.activeAccount!!.domain |
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/** In-memory cache for instance data, per instance domain. */ |
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private var instanceInfoCache = ConcurrentHashMap<String, InstanceInfo>() |
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fun precache() { |
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// We are avoiding some duplicate work but we are not trying too hard. |
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// We might request it multiple times in parallel which is not a big problem. |
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// We might also get the results in random order or write them twice but it's also |
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// not a problem. |
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// We are just trying to avoid 2 things: |
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// - fetching it when we already have it |
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// - caching default value (we want to rather re-fetch if it fails) |
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if (instanceInfoCache[instanceName] == null) { |
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externalScope.launch { |
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fetchAndPersistInstanceInfo().onSuccess { fetched -> |
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instanceInfoCache[fetched.instance] = fetched.toInfoOrDefault() |
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} |
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} |
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} |
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} |
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val cachedInstanceInfoOrFallback: InstanceInfo |
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get() = instanceInfoCache[instanceName] ?: null.toInfoOrDefault() |
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/** |
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* Returns the custom emojis of the instance. |
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@ -58,97 +94,114 @@ class InstanceInfoRepository @Inject constructor(
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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 ?: DEFAULT_CHARACTER_LIMIT, |
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maxPollOptions = instance.configuration?.polls?.maxOptions ?: DEFAULT_MAX_OPTION_COUNT, |
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maxPollOptionLength = instance.configuration?.polls?.maxCharactersPerOption ?: DEFAULT_MAX_OPTION_LENGTH, |
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minPollDuration = instance.configuration?.polls?.minExpirationSeconds ?: DEFAULT_MIN_POLL_DURATION, |
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maxPollDuration = instance.configuration?.polls?.maxExpirationSeconds ?: DEFAULT_MAX_POLL_DURATION, |
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charactersReservedPerUrl = instance.configuration?.statuses?.charactersReservedPerUrl ?: DEFAULT_CHARACTERS_RESERVED_PER_URL, |
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version = instance.version, |
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videoSizeLimit = instance.configuration?.mediaAttachments?.videoSizeLimitBytes?.toInt() ?: DEFAULT_VIDEO_SIZE_LIMIT, |
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imageSizeLimit = instance.configuration?.mediaAttachments?.imageSizeLimitBytes?.toInt() ?: DEFAULT_IMAGE_SIZE_LIMIT, |
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imageMatrixLimit = instance.configuration?.mediaAttachments?.imagePixelCountLimit?.toInt() ?: DEFAULT_IMAGE_MATRIX_LIMIT, |
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maxMediaAttachments = instance.configuration?.statuses?.maxMediaAttachments ?: DEFAULT_MAX_MEDIA_ATTACHMENTS, |
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maxFields = instance.pleroma?.metadata?.fieldLimits?.maxFields, |
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maxFieldNameLength = instance.pleroma?.metadata?.fieldLimits?.nameLength, |
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maxFieldValueLength = instance.pleroma?.metadata?.fieldLimits?.valueLength |
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) |
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dao.upsert(instanceEntity) |
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instanceEntity |
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}, |
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{ throwable -> |
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if (throwable.isHttpNotFound()) { |
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getInstanceInfoV1() |
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} else { |
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Log.w( |
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TAG, |
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"failed to instance, falling back to cache and default values", |
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throwable |
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) |
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dao.getInstanceInfo(instanceName) |
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} |
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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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videoSizeLimit = instanceInfo?.videoSizeLimit ?: DEFAULT_VIDEO_SIZE_LIMIT, |
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imageSizeLimit = instanceInfo?.imageSizeLimit ?: DEFAULT_IMAGE_SIZE_LIMIT, |
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imageMatrixLimit = instanceInfo?.imageMatrixLimit ?: DEFAULT_IMAGE_MATRIX_LIMIT, |
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maxMediaAttachments = instanceInfo?.maxMediaAttachments ?: DEFAULT_MAX_MEDIA_ATTACHMENTS, |
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maxFields = instanceInfo?.maxFields ?: DEFAULT_MAX_ACCOUNT_FIELDS, |
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maxFieldNameLength = instanceInfo?.maxFieldNameLength, |
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maxFieldValueLength = instanceInfo?.maxFieldValueLength, |
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version = instanceInfo?.version |
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) |
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} |
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} |
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private suspend fun getInstanceInfoV1(): InstanceInfoEntity? = withContext(Dispatchers.IO) { |
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api.getInstanceV1() |
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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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videoSizeLimit = instance.configuration?.mediaAttachments?.videoSizeLimit ?: instance.uploadLimit, |
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imageSizeLimit = instance.configuration?.mediaAttachments?.imageSizeLimit ?: instance.uploadLimit, |
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imageMatrixLimit = instance.configuration?.mediaAttachments?.imageMatrixLimit, |
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maxMediaAttachments = instance.configuration?.statuses?.maxMediaAttachments ?: instance.maxMediaAttachments, |
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maxFields = instance.pleroma?.metadata?.fieldLimits?.maxFields, |
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maxFieldNameLength = instance.pleroma?.metadata?.fieldLimits?.nameLength, |
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maxFieldValueLength = instance.pleroma?.metadata?.fieldLimits?.valueLength |
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) |
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dao.upsert(instanceEntity) |
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instanceEntity |
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}, |
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{ throwable -> |
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suspend fun getUpdatedInstanceInfoOrFallback(): InstanceInfo = |
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withContext(Dispatchers.IO) { |
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fetchAndPersistInstanceInfo() |
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.getOrElse { throwable -> |
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Log.w( |
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TAG, |
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"failed to instance, falling back to cache and default values", |
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"failed to load instance, falling back to cache and default values", |
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throwable |
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) |
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dao.getInstanceInfo(instanceName) |
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} |
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) |
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}.toInfoOrDefault() |
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private suspend fun InstanceInfoRepository.fetchAndPersistInstanceInfo(): NetworkResult<InstanceInfoEntity> = |
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fetchRemoteInstanceInfo() |
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.onSuccess { instanceInfoEntity -> |
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dao.upsert(instanceInfoEntity) |
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} |
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private suspend fun fetchRemoteInstanceInfo(): NetworkResult<InstanceInfoEntity> { |
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val instance = this.instanceName |
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return api.getInstance() |
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.map { it.toEntity() } |
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.recover { t -> |
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if (t.isHttpNotFound()) { |
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api.getInstanceV1().map { it.toEntity(instance) }.getOrThrow() |
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} else { |
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throw t |
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} |
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} |
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} |
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private fun InstanceInfoEntity?.toInfoOrDefault() = InstanceInfo( |
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maxChars = this?.maximumTootCharacters ?: DEFAULT_CHARACTER_LIMIT, |
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pollMaxOptions = this?.maxPollOptions ?: DEFAULT_MAX_OPTION_COUNT, |
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pollMaxLength = this?.maxPollOptionLength ?: DEFAULT_MAX_OPTION_LENGTH, |
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pollMinDuration = this?.minPollDuration ?: DEFAULT_MIN_POLL_DURATION, |
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pollMaxDuration = this?.maxPollDuration ?: DEFAULT_MAX_POLL_DURATION, |
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charactersReservedPerUrl = this?.charactersReservedPerUrl |
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?: DEFAULT_CHARACTERS_RESERVED_PER_URL, |
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videoSizeLimit = this?.videoSizeLimit ?: DEFAULT_VIDEO_SIZE_LIMIT, |
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imageSizeLimit = this?.imageSizeLimit ?: DEFAULT_IMAGE_SIZE_LIMIT, |
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imageMatrixLimit = this?.imageMatrixLimit ?: DEFAULT_IMAGE_MATRIX_LIMIT, |
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maxMediaAttachments = this?.maxMediaAttachments |
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?: DEFAULT_MAX_MEDIA_ATTACHMENTS, |
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maxFields = this?.maxFields ?: DEFAULT_MAX_ACCOUNT_FIELDS, |
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maxFieldNameLength = this?.maxFieldNameLength, |
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maxFieldValueLength = this?.maxFieldValueLength, |
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version = this?.version, |
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translationEnabled = this?.translationEnabled |
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) |
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private fun Instance.toEntity() = InstanceInfoEntity( |
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instance = domain, |
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maximumTootCharacters = this.configuration?.statuses?.maxCharacters |
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?: DEFAULT_CHARACTER_LIMIT, |
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maxPollOptions = this.configuration?.polls?.maxOptions ?: DEFAULT_MAX_OPTION_COUNT, |
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maxPollOptionLength = this.configuration?.polls?.maxCharactersPerOption |
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?: DEFAULT_MAX_OPTION_LENGTH, |
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minPollDuration = this.configuration?.polls?.minExpirationSeconds |
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?: DEFAULT_MIN_POLL_DURATION, |
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maxPollDuration = this.configuration?.polls?.maxExpirationSeconds |
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?: DEFAULT_MAX_POLL_DURATION, |
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charactersReservedPerUrl = this.configuration?.statuses?.charactersReservedPerUrl |
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?: DEFAULT_CHARACTERS_RESERVED_PER_URL, |
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version = this.version, |
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videoSizeLimit = this.configuration?.mediaAttachments?.videoSizeLimitBytes?.toInt() |
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?: DEFAULT_VIDEO_SIZE_LIMIT, |
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imageSizeLimit = this.configuration?.mediaAttachments?.imageSizeLimitBytes?.toInt() |
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?: DEFAULT_IMAGE_SIZE_LIMIT, |
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imageMatrixLimit = this.configuration?.mediaAttachments?.imagePixelCountLimit?.toInt() |
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?: DEFAULT_IMAGE_MATRIX_LIMIT, |
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maxMediaAttachments = this.configuration?.statuses?.maxMediaAttachments |
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?: DEFAULT_MAX_MEDIA_ATTACHMENTS, |
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maxFields = this.pleroma?.metadata?.fieldLimits?.maxFields, |
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maxFieldNameLength = this.pleroma?.metadata?.fieldLimits?.nameLength, |
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maxFieldValueLength = this.pleroma?.metadata?.fieldLimits?.valueLength, |
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translationEnabled = this.configuration?.translation?.enabled |
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) |
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private fun InstanceV1.toEntity(instanceName: String) = |
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InstanceInfoEntity( |
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instance = instanceName, |
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maximumTootCharacters = this.configuration?.statuses?.maxCharacters |
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?: this.maxTootChars, |
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maxPollOptions = this.configuration?.polls?.maxOptions |
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?: this.pollConfiguration?.maxOptions, |
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maxPollOptionLength = this.configuration?.polls?.maxCharactersPerOption |
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?: this.pollConfiguration?.maxOptionChars, |
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minPollDuration = this.configuration?.polls?.minExpiration |
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?: this.pollConfiguration?.minExpiration, |
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maxPollDuration = this.configuration?.polls?.maxExpiration |
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?: this.pollConfiguration?.maxExpiration, |
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charactersReservedPerUrl = this.configuration?.statuses?.charactersReservedPerUrl, |
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version = this.version, |
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videoSizeLimit = this.configuration?.mediaAttachments?.videoSizeLimit |
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?: this.uploadLimit, |
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imageSizeLimit = this.configuration?.mediaAttachments?.imageSizeLimit |
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?: this.uploadLimit, |
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imageMatrixLimit = this.configuration?.mediaAttachments?.imageMatrixLimit, |
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maxMediaAttachments = this.configuration?.statuses?.maxMediaAttachments |
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?: this.maxMediaAttachments, |
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maxFields = this.pleroma?.metadata?.fieldLimits?.maxFields, |
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maxFieldNameLength = this.pleroma?.metadata?.fieldLimits?.nameLength, |
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maxFieldValueLength = this.pleroma?.metadata?.fieldLimits?.valueLength, |
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translationEnabled = null, |
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) |
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companion object { |
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private const val TAG = "InstanceInfoRepo" |
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Willow
2 years ago
committed by
GitHub