214 lines
9.1 KiB
Kotlin
214 lines
9.1 KiB
Kotlin
/*
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* Twidere - Twitter client for Android
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*
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* Copyright (C) 2012-2017 Mariotaku Lee <mariotaku.lee@gmail.com>
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*
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* This program 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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* This program 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 <http://www.gnu.org/licenses/>.
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*/
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package org.mariotaku.twidere.loader.statuses
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import android.content.Context
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import androidx.annotation.WorkerThread
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import org.attoparser.config.ParseConfiguration
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import org.attoparser.dom.DOMMarkupParser
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import org.mariotaku.commons.parcel.ParcelUtils
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import org.mariotaku.microblog.library.MicroBlog
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import org.mariotaku.microblog.library.MicroBlogException
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import org.mariotaku.microblog.library.mastodon.Mastodon
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import org.mariotaku.microblog.library.twitter.TwitterWeb
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import org.mariotaku.microblog.library.twitter.model.Paging
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import org.mariotaku.microblog.library.twitter.model.SearchQuery
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import org.mariotaku.microblog.library.twitter.model.Status
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import org.mariotaku.twidere.alias.MastodonStatus
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import org.mariotaku.twidere.annotation.AccountType
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import org.mariotaku.twidere.exception.APINotSupportedException
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import org.mariotaku.twidere.extension.atto.filter
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import org.mariotaku.twidere.extension.atto.firstElementOrNull
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import org.mariotaku.twidere.extension.model.api.mastodon.toParcelable
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import org.mariotaku.twidere.extension.model.api.toParcelable
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import org.mariotaku.twidere.extension.model.makeOriginal
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import org.mariotaku.twidere.extension.model.newMicroBlogInstance
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import org.mariotaku.twidere.model.AccountDetails
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import org.mariotaku.twidere.model.ParcelableStatus
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import org.mariotaku.twidere.model.pagination.PaginatedArrayList
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import org.mariotaku.twidere.model.pagination.PaginatedList
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import org.mariotaku.twidere.model.pagination.Pagination
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import org.mariotaku.twidere.model.pagination.SinceMaxPagination
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import org.mariotaku.twidere.util.database.ContentFiltersUtils
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import java.text.ParseException
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import java.util.*
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class ConversationLoader(
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context: Context,
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status: ParcelableStatus,
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adapterData: List<ParcelableStatus>?,
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fromUser: Boolean,
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loadingMore: Boolean
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) : AbsRequestStatusesLoader(context, status.account_key, adapterData, null, -1, fromUser, loadingMore) {
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override val comparator: Comparator<ParcelableStatus>? = null
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var canLoadAllReplies: Boolean = false
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private set
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private val status = ParcelUtils.clone(status).apply { makeOriginal() }
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@Throws(MicroBlogException::class)
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override fun getStatuses(account: AccountDetails, paging: Paging): PaginatedList<ParcelableStatus> {
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return when (account.type) {
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AccountType.MASTODON -> getMastodonStatuses(account, paging).mapTo(PaginatedArrayList()) {
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it.toParcelable(account)
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}
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else -> getMicroBlogStatuses(account, paging)
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}
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}
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private fun getMastodonStatuses(account: AccountDetails, paging: Paging): List<MastodonStatus> {
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val mastodon = account.newMicroBlogInstance(context, Mastodon::class.java)
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canLoadAllReplies = true
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val statusContext = mastodon.getStatusContext(status.id)
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return statusContext.ancestors + statusContext.descendants
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}
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@Throws(MicroBlogException::class)
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private fun getMicroBlogStatuses(account: AccountDetails, paging: Paging): PaginatedList<ParcelableStatus> {
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val microBlog = account.newMicroBlogInstance(context, MicroBlog::class.java)
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canLoadAllReplies = false
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when (account.type) {
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AccountType.TWITTER -> {
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// TODO: temporary workaround for issue #1181
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// val isOfficial = account.isOfficial(context)
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val isOfficial = false
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canLoadAllReplies = isOfficial
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if (isOfficial) {
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return microBlog.showConversation(status.id, paging).mapMicroBlogToPaginated {
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it.toParcelable(account, profileImageSize)
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}
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}
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return showConversationCompat(microBlog, account, status, true)
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}
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AccountType.STATUSNET -> {
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canLoadAllReplies = true
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status.extras?.statusnet_conversation_id?.let {
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return microBlog.getStatusNetConversation(it, paging).mapMicroBlogToPaginated {
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it.toParcelable(account, profileImageSize)
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}
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}
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}
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AccountType.FANFOU -> {
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canLoadAllReplies = true
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return microBlog.getContextTimeline(status.id, paging).mapMicroBlogToPaginated {
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it.toParcelable(account, profileImageSize)
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}
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}
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else -> {
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throw APINotSupportedException(account.type)
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}
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}
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canLoadAllReplies = true
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return showConversationCompat(microBlog, account, status, true)
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}
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@WorkerThread
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override fun shouldFilterStatus(status: ParcelableStatus): Boolean {
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return ContentFiltersUtils.isFiltered(context.contentResolver, status, false, 0)
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}
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@Throws(MicroBlogException::class)
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private fun showConversationCompat(twitter: MicroBlog, details: AccountDetails,
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status: ParcelableStatus, loadReplies: Boolean): PaginatedList<ParcelableStatus> {
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val statuses = ArrayList<Status>()
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val pagination = this.pagination as? SinceMaxPagination
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val maxId = pagination?.maxId
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val sinceId = pagination?.sinceId
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val maxSortId = pagination?.maxSortId ?: -1
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val sinceSortId = pagination?.sinceSortId ?: -1
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val noSinceMaxId = maxId == null && sinceId == null
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var nextPagination: Pagination? = null
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// Load conversations
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if (maxId != null && maxSortId < status.sort_id || noSinceMaxId) {
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var inReplyToId: String? = maxId ?: status.in_reply_to_status_id
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var count = 0
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while (inReplyToId != null && count < 10) {
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val item = twitter.showStatus(inReplyToId)
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inReplyToId = item.inReplyToStatusId
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statuses.add(item)
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count++
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}
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}
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if (loadReplies || noSinceMaxId || sinceId != null && sinceSortId > status.sort_id) {
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// Load replies
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try {
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if (details.type == AccountType.TWITTER) {
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// try to load thread
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statuses.addAll(loadTwitterWebReplies(details, twitter))
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}
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} catch (e: MicroBlogException) {
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// Ignore
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}
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val query = SearchQuery()
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query.count(100)
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if (details.type == AccountType.TWITTER) {
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query.query("to:${status.user_screen_name} since_id:${status.id}")
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} else {
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query.query("@${status.user_screen_name}")
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}
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query.sinceId(sinceId ?: status.id)
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try {
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val queryResult = twitter.search(query)
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val firstId = queryResult.firstOrNull()?.id
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if (firstId != null) {
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nextPagination = SinceMaxPagination.sinceId(firstId, 0)
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}
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queryResult.filterTo(statuses) { it.inReplyToStatusId == status.id }
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} catch (e: MicroBlogException) {
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// Ignore for now
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}
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}
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return statuses.distinctBy { it.id }.mapTo(PaginatedArrayList()) {
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it.toParcelable(details, profileImageSize)
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}.apply {
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this.nextPage = nextPagination
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}
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}
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private fun loadTwitterWebReplies(details: AccountDetails, twitter: MicroBlog): List<Status> {
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val web = details.newMicroBlogInstance(context, TwitterWeb::class.java)
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val page = web.getStatusPage(status.user_screen_name, status.id).page
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val parser = DOMMarkupParser(ParseConfiguration.htmlConfiguration())
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val statusIds = ArrayList<String>()
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try {
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val document = parser.parse(page)
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val repliesElement = document.firstElementOrNull { element ->
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element.getAttributeValue("data-component-context") == "replies"
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} ?: throw MicroBlogException("No replies data found")
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repliesElement.filter {
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it.getAttributeValue("data-item-type") == "tweet" && it.hasAttribute("data-item-id")
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}.mapTo(statusIds) { it.getAttributeValue("data-item-id") }
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} catch (e: ParseException) {
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throw MicroBlogException(e)
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}
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if (statusIds.isEmpty()) {
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throw MicroBlogException("Invalid response")
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}
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return twitter.lookupStatuses(statusIds.distinct().toTypedArray())
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}
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}
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