You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
393 lines
15 KiB
393 lines
15 KiB
package com.keylesspalace.tusky.repository
|
|
|
|
import android.text.SpannedString
|
|
import androidx.core.text.parseAsHtml
|
|
import androidx.core.text.toHtml
|
|
import com.google.gson.Gson
|
|
import com.google.gson.reflect.TypeToken
|
|
import com.keylesspalace.tusky.db.*
|
|
import com.keylesspalace.tusky.entity.*
|
|
import com.keylesspalace.tusky.network.MastodonApi
|
|
import com.keylesspalace.tusky.repository.TimelineRequestMode.DISK
|
|
import com.keylesspalace.tusky.repository.TimelineRequestMode.NETWORK
|
|
import com.keylesspalace.tusky.util.Either
|
|
import com.keylesspalace.tusky.util.dec
|
|
import com.keylesspalace.tusky.util.inc
|
|
import com.keylesspalace.tusky.util.trimTrailingWhitespace
|
|
import io.reactivex.Single
|
|
import io.reactivex.schedulers.Schedulers
|
|
import java.io.IOException
|
|
import java.util.*
|
|
import java.util.concurrent.TimeUnit
|
|
import kotlin.collections.ArrayList
|
|
|
|
data class Placeholder(val id: String)
|
|
|
|
typealias TimelineStatus = Either<Placeholder, Status>
|
|
|
|
enum class TimelineRequestMode {
|
|
DISK, NETWORK, ANY
|
|
}
|
|
|
|
interface TimelineRepository {
|
|
fun getStatuses(maxId: String?, sinceId: String?, sincedIdMinusOne: String?, limit: Int,
|
|
requestMode: TimelineRequestMode): Single<out List<TimelineStatus>>
|
|
|
|
companion object {
|
|
val CLEANUP_INTERVAL = TimeUnit.DAYS.toMillis(14)
|
|
}
|
|
}
|
|
|
|
class TimelineRepositoryImpl(
|
|
private val timelineDao: TimelineDao,
|
|
private val mastodonApi: MastodonApi,
|
|
private val accountManager: AccountManager,
|
|
private val gson: Gson
|
|
) : TimelineRepository {
|
|
|
|
init {
|
|
this.cleanup()
|
|
}
|
|
|
|
override fun getStatuses(maxId: String?, sinceId: String?, sincedIdMinusOne: String?,
|
|
limit: Int, requestMode: TimelineRequestMode
|
|
): Single<out List<TimelineStatus>> {
|
|
val acc = accountManager.activeAccount ?: throw IllegalStateException()
|
|
val accountId = acc.id
|
|
|
|
return if (requestMode == DISK) {
|
|
this.getStatusesFromDb(accountId, maxId, sinceId, limit)
|
|
} else {
|
|
getStatusesFromNetwork(maxId, sinceId, sincedIdMinusOne, limit, accountId, requestMode)
|
|
}
|
|
}
|
|
|
|
private fun getStatusesFromNetwork(maxId: String?, sinceId: String?,
|
|
sinceIdMinusOne: String?, limit: Int,
|
|
accountId: Long, requestMode: TimelineRequestMode
|
|
): Single<out List<TimelineStatus>> {
|
|
return mastodonApi.homeTimelineSingle(maxId, sinceIdMinusOne, limit + 1)
|
|
.map { statuses ->
|
|
this.saveStatusesToDb(accountId, statuses, maxId, sinceId)
|
|
}
|
|
.flatMap { statuses ->
|
|
this.addFromDbIfNeeded(accountId, statuses, maxId, sinceId, limit, requestMode)
|
|
}
|
|
.onErrorResumeNext { error ->
|
|
if (error is IOException && requestMode != NETWORK) {
|
|
this.getStatusesFromDb(accountId, maxId, sinceId, limit)
|
|
} else {
|
|
Single.error(error)
|
|
}
|
|
}
|
|
}
|
|
|
|
private fun addFromDbIfNeeded(accountId: Long, statuses: List<Either<Placeholder, Status>>,
|
|
maxId: String?, sinceId: String?, limit: Int,
|
|
requestMode: TimelineRequestMode
|
|
): Single<List<TimelineStatus>>? {
|
|
return if (requestMode != NETWORK && statuses.size < 2) {
|
|
val newMaxID = if (statuses.isEmpty()) {
|
|
maxId
|
|
} else {
|
|
statuses.last { it.isRight() }.asRight().id
|
|
}
|
|
this.getStatusesFromDb(accountId, newMaxID, sinceId, limit)
|
|
.map { fromDb ->
|
|
// If it's just placeholders and less than limit (so we exhausted both
|
|
// db and server at this point)
|
|
if (fromDb.size < limit && fromDb.all { !it.isRight() }) {
|
|
statuses
|
|
} else {
|
|
statuses + fromDb
|
|
}
|
|
}
|
|
} else {
|
|
Single.just(statuses)
|
|
}
|
|
}
|
|
|
|
private fun getStatusesFromDb(accountId: Long, maxId: String?, sinceId: String?,
|
|
limit: Int): Single<out List<TimelineStatus>> {
|
|
return timelineDao.getStatusesForAccount(accountId, maxId, sinceId, limit)
|
|
.subscribeOn(Schedulers.io())
|
|
.map { statuses ->
|
|
statuses.map { it.toStatus() }
|
|
}
|
|
}
|
|
|
|
private fun saveStatusesToDb(accountId: Long, statuses: List<Status>,
|
|
maxId: String?, sinceId: String?
|
|
): List<Either<Placeholder, Status>> {
|
|
var placeholderToInsert: Placeholder? = null
|
|
|
|
// Look for overlap
|
|
val resultStatuses = if (statuses.isNotEmpty() && sinceId != null) {
|
|
val indexOfSince = statuses.indexOfLast { it.id == sinceId }
|
|
if (indexOfSince == -1) {
|
|
// We didn't find the status which must be there. Add a placeholder
|
|
placeholderToInsert = Placeholder(sinceId.inc())
|
|
statuses.mapTo(mutableListOf(), Status::lift)
|
|
.apply {
|
|
add(Either.Left(placeholderToInsert))
|
|
}
|
|
} else {
|
|
// There was an overlap. Remove all overlapped statuses. No need for a placeholder.
|
|
statuses.mapTo(mutableListOf(), Status::lift)
|
|
.apply {
|
|
subList(indexOfSince, size).clear()
|
|
}
|
|
}
|
|
} else {
|
|
// Just a normal case.
|
|
statuses.map(Status::lift)
|
|
}
|
|
|
|
Single.fromCallable {
|
|
|
|
if(statuses.isNotEmpty()) {
|
|
timelineDao.deleteRange(accountId, statuses.last().id, statuses.first().id)
|
|
}
|
|
|
|
for (status in statuses) {
|
|
timelineDao.insertInTransaction(
|
|
status.toEntity(accountId, gson),
|
|
status.account.toEntity(accountId, gson),
|
|
status.reblog?.account?.toEntity(accountId, gson)
|
|
)
|
|
}
|
|
|
|
placeholderToInsert?.let {
|
|
timelineDao.insertStatusIfNotThere(placeholderToInsert.toEntity(accountId))
|
|
}
|
|
|
|
// If we're loading in the bottom insert placeholder after every load
|
|
// (for requests on next launches) but not return it.
|
|
if (sinceId == null && statuses.isNotEmpty()) {
|
|
timelineDao.insertStatusIfNotThere(
|
|
Placeholder(statuses.last().id.dec()).toEntity(accountId))
|
|
}
|
|
|
|
// There may be placeholders which we thought could be from our TL but they are not
|
|
if (statuses.size > 2) {
|
|
timelineDao.removeAllPlaceholdersBetween(accountId, statuses.first().id,
|
|
statuses.last().id)
|
|
} else if (placeholderToInsert == null && maxId != null && sinceId != null) {
|
|
timelineDao.removeAllPlaceholdersBetween(accountId, maxId, sinceId)
|
|
}
|
|
}
|
|
.subscribeOn(Schedulers.io())
|
|
.subscribe()
|
|
|
|
return resultStatuses
|
|
}
|
|
|
|
private fun cleanup() {
|
|
Schedulers.io().scheduleDirect {
|
|
val olderThan = System.currentTimeMillis() - TimelineRepository.CLEANUP_INTERVAL
|
|
timelineDao.cleanup(olderThan)
|
|
}
|
|
}
|
|
|
|
private fun TimelineStatusWithAccount.toStatus(): TimelineStatus {
|
|
if (this.status.authorServerId == null) {
|
|
return Either.Left(Placeholder(this.status.serverId))
|
|
}
|
|
|
|
val attachments: ArrayList<Attachment> = gson.fromJson(status.attachments,
|
|
object : TypeToken<List<Attachment>>() {}.type) ?: ArrayList()
|
|
val mentions: Array<Status.Mention> = gson.fromJson(status.mentions,
|
|
Array<Status.Mention>::class.java) ?: arrayOf()
|
|
val application = gson.fromJson(status.application, Status.Application::class.java)
|
|
val emojis: List<Emoji> = gson.fromJson(status.emojis,
|
|
object : TypeToken<List<Emoji>>() {}.type) ?: listOf()
|
|
val poll: Poll? = gson.fromJson(status.poll, Poll::class.java)
|
|
val pleroma = gson.fromJson(status.pleroma, Status.PleromaStatus::class.java)
|
|
|
|
val reblog = status.reblogServerId?.let { id ->
|
|
Status(
|
|
id = id,
|
|
url = status.url,
|
|
account = account.toAccount(gson),
|
|
inReplyToId = status.inReplyToId,
|
|
inReplyToAccountId = status.inReplyToAccountId,
|
|
reblog = null,
|
|
content = status.content?.parseAsHtml()?.trimTrailingWhitespace() ?: SpannedString(""),
|
|
createdAt = Date(status.createdAt),
|
|
emojis = emojis,
|
|
reblogsCount = status.reblogsCount,
|
|
favouritesCount = status.favouritesCount,
|
|
reblogged = status.reblogged,
|
|
favourited = status.favourited,
|
|
bookmarked = status.bookmarked,
|
|
sensitive = status.sensitive,
|
|
spoilerText = status.spoilerText!!,
|
|
visibility = status.visibility!!,
|
|
attachments = attachments,
|
|
mentions = mentions,
|
|
application = application,
|
|
pinned = false,
|
|
poll = poll,
|
|
card = null,
|
|
pleroma = pleroma
|
|
)
|
|
}
|
|
val status = if (reblog != null) {
|
|
Status(
|
|
id = status.serverId,
|
|
url = null, // no url for reblogs
|
|
account = this.reblogAccount!!.toAccount(gson),
|
|
inReplyToId = null,
|
|
inReplyToAccountId = null,
|
|
reblog = reblog,
|
|
content = SpannedString(""),
|
|
createdAt = Date(status.createdAt), // lie but whatever?
|
|
emojis = listOf(),
|
|
reblogsCount = 0,
|
|
favouritesCount = 0,
|
|
reblogged = false,
|
|
favourited = false,
|
|
bookmarked = false,
|
|
sensitive = false,
|
|
spoilerText = "",
|
|
visibility = status.visibility!!,
|
|
attachments = ArrayList(),
|
|
mentions = arrayOf(),
|
|
application = null,
|
|
pinned = false,
|
|
poll = null,
|
|
card = null,
|
|
pleroma = null
|
|
)
|
|
} else {
|
|
Status(
|
|
id = status.serverId,
|
|
url = status.url,
|
|
account = account.toAccount(gson),
|
|
inReplyToId = status.inReplyToId,
|
|
inReplyToAccountId = status.inReplyToAccountId,
|
|
reblog = null,
|
|
content = status.content?.parseAsHtml()?.trimTrailingWhitespace() ?: SpannedString(""),
|
|
createdAt = Date(status.createdAt),
|
|
emojis = emojis,
|
|
reblogsCount = status.reblogsCount,
|
|
favouritesCount = status.favouritesCount,
|
|
reblogged = status.reblogged,
|
|
favourited = status.favourited,
|
|
bookmarked = status.bookmarked,
|
|
sensitive = status.sensitive,
|
|
spoilerText = status.spoilerText!!,
|
|
visibility = status.visibility!!,
|
|
attachments = attachments,
|
|
mentions = mentions,
|
|
application = application,
|
|
pinned = false,
|
|
poll = poll,
|
|
card = null,
|
|
pleroma = pleroma
|
|
)
|
|
}
|
|
return Either.Right(status)
|
|
}
|
|
}
|
|
|
|
private val emojisListTypeToken = object : TypeToken<List<Emoji>>() {}
|
|
|
|
fun Account.toEntity(accountId: Long, gson: Gson): TimelineAccountEntity {
|
|
return TimelineAccountEntity(
|
|
serverId = id,
|
|
timelineUserId = accountId,
|
|
localUsername = localUsername,
|
|
username = username,
|
|
displayName = displayName.orEmpty(),
|
|
url = url,
|
|
avatar = avatar,
|
|
emojis = gson.toJson(emojis),
|
|
bot = bot
|
|
)
|
|
}
|
|
|
|
fun TimelineAccountEntity.toAccount(gson: Gson): Account {
|
|
return Account(
|
|
id = serverId,
|
|
localUsername = localUsername,
|
|
username = username,
|
|
displayName = displayName,
|
|
note = SpannedString(""),
|
|
url = url,
|
|
avatar = avatar,
|
|
header = "",
|
|
locked = false,
|
|
followingCount = 0,
|
|
followersCount = 0,
|
|
statusesCount = 0,
|
|
source = null,
|
|
bot = bot,
|
|
emojis = gson.fromJson(this.emojis, emojisListTypeToken.type),
|
|
fields = null,
|
|
moved = null
|
|
)
|
|
}
|
|
|
|
|
|
fun Placeholder.toEntity(timelineUserId: Long): TimelineStatusEntity {
|
|
return TimelineStatusEntity(
|
|
serverId = this.id,
|
|
url = null,
|
|
timelineUserId = timelineUserId,
|
|
authorServerId = null,
|
|
inReplyToId = null,
|
|
inReplyToAccountId = null,
|
|
content = null,
|
|
createdAt = 0L,
|
|
emojis = null,
|
|
reblogsCount = 0,
|
|
favouritesCount = 0,
|
|
reblogged = false,
|
|
favourited = false,
|
|
bookmarked = false,
|
|
sensitive = false,
|
|
spoilerText = null,
|
|
visibility = null,
|
|
attachments = null,
|
|
mentions = null,
|
|
application = null,
|
|
reblogServerId = null,
|
|
reblogAccountId = null,
|
|
poll = null,
|
|
pleroma = null
|
|
)
|
|
}
|
|
|
|
fun Status.toEntity(timelineUserId: Long,
|
|
gson: Gson): TimelineStatusEntity {
|
|
val actionable = actionableStatus
|
|
return TimelineStatusEntity(
|
|
serverId = this.id,
|
|
url = actionable.url!!,
|
|
timelineUserId = timelineUserId,
|
|
authorServerId = actionable.account.id,
|
|
inReplyToId = actionable.inReplyToId,
|
|
inReplyToAccountId = actionable.inReplyToAccountId,
|
|
content = actionable.content.toHtml(),
|
|
createdAt = actionable.createdAt.time,
|
|
emojis = actionable.emojis.let(gson::toJson),
|
|
reblogsCount = actionable.reblogsCount,
|
|
favouritesCount = actionable.favouritesCount,
|
|
reblogged = actionable.reblogged,
|
|
favourited = actionable.favourited,
|
|
bookmarked = actionable.bookmarked,
|
|
sensitive = actionable.sensitive,
|
|
spoilerText = actionable.spoilerText,
|
|
visibility = actionable.visibility,
|
|
attachments = actionable.attachments.let(gson::toJson),
|
|
mentions = actionable.mentions.let(gson::toJson),
|
|
application = actionable.application.let(gson::toJson),
|
|
reblogServerId = reblog?.id,
|
|
reblogAccountId = reblog?.let { this.account.id },
|
|
poll = actionable.poll.let(gson::toJson),
|
|
pleroma = actionable.pleroma.let(gson::toJson)
|
|
)
|
|
}
|
|
|
|
fun Status.lift(): Either<Placeholder, Status> = Either.Right(this)
|
|
|