Husky/app/src/main/java/com/keylesspalace/tusky/components/compose/ComposeViewModel.kt

271 lines
11 KiB
Kotlin

/* Copyright 2019 Tusky Contributors
*
* 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.components.compose
import android.net.Uri
import android.util.Log
import androidx.core.net.toUri
import androidx.lifecycle.LiveData
import androidx.lifecycle.MutableLiveData
import androidx.lifecycle.Observer
import com.keylesspalace.tusky.adapter.ComposeAutoCompleteAdapter
import com.keylesspalace.tusky.components.common.CommonComposeViewModel
import com.keylesspalace.tusky.components.common.MediaUploader
import com.keylesspalace.tusky.components.common.UploadEvent
import com.keylesspalace.tusky.components.common.mutableLiveData
import com.keylesspalace.tusky.components.compose.ComposeActivity.QueuedMedia
import com.keylesspalace.tusky.components.search.SearchType
import com.keylesspalace.tusky.db.AccountManager
import com.keylesspalace.tusky.db.AppDatabase
import com.keylesspalace.tusky.db.InstanceEntity
import com.keylesspalace.tusky.entity.*
import com.keylesspalace.tusky.entity.Status
import com.keylesspalace.tusky.network.MastodonApi
import com.keylesspalace.tusky.service.ServiceClient
import com.keylesspalace.tusky.service.TootToSend
import com.keylesspalace.tusky.util.*
import io.reactivex.Single
import io.reactivex.disposables.Disposable
import io.reactivex.rxkotlin.Singles
import retrofit2.Response
import java.util.*
import javax.inject.Inject
class ComposeViewModel
@Inject constructor(
private val api: MastodonApi,
private val accountManager: AccountManager,
private val mediaUploader: MediaUploader,
private val serviceClient: ServiceClient,
private val saveTootHelper: SaveTootHelper,
private val db: AppDatabase
) : CommonComposeViewModel(api, accountManager, mediaUploader, db) {
private var replyingStatusAuthor: String? = null
private var replyingStatusContent: String? = null
internal var startingText: String? = null
private var savedTootUid: Int = 0
private var startingContentWarning: String = ""
private var inReplyToId: String? = null
private var startingVisibility: Status.Visibility = Status.Visibility.UNKNOWN
private var contentWarningStateChanged: Boolean = false
public var formattingSyntax: String = ""
private var modifiedInitialState: Boolean = false
val markMediaAsSensitive =
mutableLiveData(accountManager.activeAccount?.defaultMediaSensitivity ?: false)
fun toggleMarkSensitive() {
this.markMediaAsSensitive.value = !this.markMediaAsSensitive.value!!
}
val statusVisibility = mutableLiveData(Status.Visibility.UNKNOWN)
val showContentWarning = mutableLiveData(false)
val setupComplete = mutableLiveData(false)
val poll: MutableLiveData<NewPoll?> = mutableLiveData(null)
val scheduledAt: MutableLiveData<String?> = mutableLiveData(null)
fun didChange(content: String?, contentWarning: String?): Boolean {
val textChanged = !(content.isNullOrEmpty()
|| startingText?.startsWith(content.toString()) ?: false)
val contentWarningChanged = showContentWarning.value!!
&& !contentWarning.isNullOrEmpty()
&& !startingContentWarning.startsWith(contentWarning.toString())
val mediaChanged = !media.value.isNullOrEmpty()
val pollChanged = poll.value != null
return modifiedInitialState || textChanged || contentWarningChanged || mediaChanged || pollChanged
}
fun contentWarningChanged(value: Boolean) {
showContentWarning.value = value
contentWarningStateChanged = true
}
fun deleteDraft() {
saveTootHelper.deleteDraft(this.savedTootUid)
}
fun saveDraft(content: String, contentWarning: String) {
val mediaUris = mutableListOf<String>()
val mediaDescriptions = mutableListOf<String?>()
for (item in media.value!!) {
mediaUris.add(item.uri.toString())
mediaDescriptions.add(item.description)
}
saveTootHelper.saveToot(
content,
contentWarning,
null,
mediaUris,
mediaDescriptions,
savedTootUid,
inReplyToId,
replyingStatusContent,
replyingStatusAuthor,
statusVisibility.value!!,
poll.value,
formattingSyntax
)
}
/**
* Send status to the server.
* Uses current state plus provided arguments.
* @return LiveData which will signal once the screen can be closed or null if there are errors
*/
fun sendStatus(
content: String,
spoilerText: String,
preview: Boolean
): LiveData<Unit> {
return media
.filter { items -> items.all { it.uploadPercent == -1 } }
.map {
val mediaIds = ArrayList<String>()
val mediaUris = ArrayList<Uri>()
val mediaDescriptions = ArrayList<String>()
for (item in media.value!!) {
mediaIds.add(item.id!!)
mediaUris.add(item.uri)
mediaDescriptions.add(item.description ?: "")
}
val tootToSend = TootToSend(
content,
spoilerText,
statusVisibility.value!!.serverString(),
mediaUris.isNotEmpty() && (markMediaAsSensitive.value!! || showContentWarning.value!!),
mediaIds,
mediaUris.map { it.toString() },
mediaDescriptions,
scheduledAt = scheduledAt.value,
inReplyToId = inReplyToId,
poll = poll.value,
replyingStatusContent = null,
replyingStatusAuthorUsername = null,
formattingSyntax = formattingSyntax,
preview = preview,
savedJsonUrls = null,
accountId = accountManager.activeAccount!!.id,
savedTootUid = 0,
idempotencyKey = randomAlphanumericString(16),
retries = 0
)
serviceClient.sendToot(tootToSend)
}
}
override fun onCleared() {
for (uploadDisposable in mediaToDisposable.values) {
uploadDisposable.dispose()
}
super.onCleared()
}
fun setup(composeOptions: ComposeActivity.ComposeOptions?) {
super.setup()
val preferredVisibility = accountManager.activeAccount!!.defaultPostPrivacy
val replyVisibility = composeOptions?.replyVisibility ?: Status.Visibility.UNKNOWN
startingVisibility = Status.Visibility.byNum(
preferredVisibility.num.coerceAtLeast(replyVisibility.num))
inReplyToId = composeOptions?.inReplyToId
modifiedInitialState = composeOptions?.modifiedInitialState == true
val contentWarning = composeOptions?.contentWarning
if (contentWarning != null) {
startingContentWarning = contentWarning
}
if (!contentWarningStateChanged) {
showContentWarning.value = !contentWarning.isNullOrBlank()
}
// recreate media list
// when coming from SavedTootActivity
val loadedDraftMediaUris = composeOptions?.mediaUrls
val loadedDraftMediaDescriptions: List<String?>? = composeOptions?.mediaDescriptions
if (loadedDraftMediaUris != null && loadedDraftMediaDescriptions != null) {
loadedDraftMediaUris.zip(loadedDraftMediaDescriptions)
.forEach { (uri, description) ->
pickMedia(uri.toUri(), null).observeForever { errorOrItem ->
if (errorOrItem.isRight() && description != null) {
updateDescription(errorOrItem.asRight().localId, description)
}
}
}
} else composeOptions?.mediaAttachments?.forEach { a ->
// when coming from redraft
val mediaType = when (a.type) {
Attachment.Type.VIDEO, Attachment.Type.GIFV -> QueuedMedia.Type.VIDEO
Attachment.Type.UNKNOWN, Attachment.Type.IMAGE -> QueuedMedia.Type.IMAGE
Attachment.Type.AUDIO -> QueuedMedia.Type.AUDIO
}
addUploadedMedia(a.id, mediaType, a.url.toUri(), a.description)
}
savedTootUid = composeOptions?.savedTootUid ?: 0
startingText = composeOptions?.tootText
val tootVisibility = composeOptions?.visibility ?: Status.Visibility.UNKNOWN
if (tootVisibility.num != Status.Visibility.UNKNOWN.num) {
startingVisibility = tootVisibility
}
statusVisibility.value = startingVisibility
val mentionedUsernames = composeOptions?.mentionedUsernames
if (mentionedUsernames != null) {
val builder = StringBuilder()
for (name in mentionedUsernames) {
builder.append('@')
builder.append(name)
builder.append(' ')
}
startingText = builder.toString()
}
scheduledAt.value = composeOptions?.scheduledAt
composeOptions?.sensitive?.let { markMediaAsSensitive.value = it }
val poll = composeOptions?.poll
if (poll != null && composeOptions.mediaAttachments.isNullOrEmpty()) {
this.poll.value = poll
}
replyingStatusContent = composeOptions?.replyingStatusContent
replyingStatusAuthor = composeOptions?.replyingStatusAuthor
formattingSyntax = composeOptions?.formattingSyntax ?: accountManager.activeAccount!!.defaultFormattingSyntax
}
fun updatePoll(newPoll: NewPoll) {
poll.value = newPoll
}
fun updateScheduledAt(newScheduledAt: String?) {
scheduledAt.value = newScheduledAt
}
private companion object {
const val TAG = "ComposeViewModel"
}
}