use status source for delete and redraft (#1461)

* use status source for delete and redraft

* make delete & redraft work on Pleroma again

* add error handling

app/src/main/java/com/keylesspalace/tusky/components/conversation/ConversationsViewModel.kt

@@ -115,6 +115,9 @@ class ConversationsViewModel @Inject constructor(
             /* this is not ideal since deleting last toot from an conversation
                should not delete the conversation but show another toot of the conversation */
             timelineCases.delete(conversation.lastStatus.id)
+                    .subscribeOn(Schedulers.io())
+                    .doOnError { t -> Log.w("ConversationViewModel", "Failed to delete conversation", t) }
+                    .subscribe()
             database.conversationDao().delete(conversation)
                     .subscribeOn(Schedulers.io())
                     .subscribe()

app/src/main/java/com/keylesspalace/tusky/components/search/SearchViewModel.kt

@@ -9,16 +9,14 @@ import androidx.paging.PagedList
 import com.keylesspalace.tusky.components.search.adapter.SearchRepository
 import com.keylesspalace.tusky.db.AccountEntity
 import com.keylesspalace.tusky.db.AccountManager
-import com.keylesspalace.tusky.entity.Account
-import com.keylesspalace.tusky.entity.HashTag
-import com.keylesspalace.tusky.entity.Poll
-import com.keylesspalace.tusky.entity.Status
+import com.keylesspalace.tusky.entity.*
 import com.keylesspalace.tusky.network.MastodonApi
 import com.keylesspalace.tusky.network.TimelineCases
 import com.keylesspalace.tusky.util.Listing
 import com.keylesspalace.tusky.util.NetworkState
 import com.keylesspalace.tusky.util.ViewDataUtils
 import com.keylesspalace.tusky.viewdata.StatusViewData
+import io.reactivex.Single
 import io.reactivex.android.schedulers.AndroidSchedulers
 import io.reactivex.disposables.CompositeDisposable
 import javax.inject.Inject
@@ -91,6 +89,7 @@ class SearchViewModel @Inject constructor(
 
     fun removeItem(status: Pair<Status, StatusViewData.Concrete>) {
         timelineCases.delete(status.first.id)
+                .subscribe()
         if (loadedStatuses.remove(status))
             repoResultStatus.value?.refresh?.invoke()
     }
@@ -198,8 +197,8 @@ class SearchViewModel @Inject constructor(
         timelineCases.block(accountId)
     }
 
-    fun deleteStatus(id: String) {
-        timelineCases.delete(id)
+    fun deleteStatus(id: String): Single<DeletedStatus> {
+        return timelineCases.delete(id)
     }
 
     fun retryAllSearches() {

app/src/main/java/com/keylesspalace/tusky/components/search/fragments/SearchStatusesFragment.kt

@@ -25,15 +25,14 @@ import android.content.pm.PackageManager
 import android.net.Uri
 import android.os.Environment
 import android.preference.PreferenceManager
-import android.text.SpannableStringBuilder
-import android.text.Spanned
-import android.text.style.URLSpan
+import android.util.Log
 import android.view.View
 import android.widget.Toast
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.widget.PopupMenu
 import androidx.core.app.ActivityOptionsCompat
 import androidx.core.view.ViewCompat
+import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.LiveData
 import androidx.paging.PagedList
 import androidx.paging.PagedListAdapter
@@ -50,6 +49,9 @@ import com.keylesspalace.tusky.interfaces.StatusActionListener
 import com.keylesspalace.tusky.util.NetworkState
 import com.keylesspalace.tusky.viewdata.AttachmentViewData
 import com.keylesspalace.tusky.viewdata.StatusViewData
+import com.uber.autodispose.android.lifecycle.AndroidLifecycleScopeProvider.from
+import com.uber.autodispose.autoDisposable
+import io.reactivex.android.schedulers.AndroidSchedulers
 import kotlinx.android.synthetic.main.fragment_search.*
 import java.util.*
 
@@ -389,39 +391,36 @@ class SearchStatusesFragment : SearchFragment<Pair<Status, StatusViewData.Concre
                     .setMessage(R.string.dialog_redraft_toot_warning)
                     .setPositiveButton(android.R.string.ok) { _, _ ->
                         viewModel.deleteStatus(id)
+                                .observeOn(AndroidSchedulers.mainThread())
+                                .autoDisposable(from(this, Lifecycle.Event.ON_DESTROY))
+                                .subscribe ({ deletedStatus ->
                                     removeItem(position)
 
+                                    val redraftStatus = if(deletedStatus.isEmpty()) {
+                                        status.toDeletedStatus()
+                                    } else {
+                                        deletedStatus
+                                    }
+
                                     val intent = ComposeActivity.IntentBuilder()
-                                .tootText(getEditableText(status.content, status.mentions))
-                                .inReplyToId(status.inReplyToId)
-                                .visibility(status.visibility)
-                                .contentWarning(status.spoilerText)
-                                .mediaAttachments(status.attachments)
-                                .sensitive(status.sensitive)
-                                .poll(status.poll?.toNewPoll(status.createdAt))
+                                            .tootText(redraftStatus.text)
+                                            .inReplyToId(redraftStatus.inReplyToId)
+                                            .visibility(redraftStatus.visibility)
+                                            .contentWarning(redraftStatus.spoilerText)
+                                            .mediaAttachments(redraftStatus.attachments)
+                                            .sensitive(redraftStatus.sensitive)
+                                            .poll(redraftStatus.poll?.toNewPoll(status.createdAt))
                                             .build(context)
                                     startActivity(intent)
+                                }, { error ->
+                                    Log.w("SearchStatusesFragment", "error deleting status", error)
+                                    Toast.makeText(context, R.string.error_generic, Toast.LENGTH_SHORT).show()
+                                })
+
                     }
                     .setNegativeButton(android.R.string.cancel, null)
                     .show()
         }
     }
 
-    private fun getEditableText(content: Spanned, mentions: Array<Status.Mention>): String {
-        val builder = SpannableStringBuilder(content)
-        for (span in content.getSpans(0, content.length, URLSpan::class.java)) {
-            val url = span.url
-            for ((_, url1, username) in mentions) {
-                if (url == url1) {
-                    val start = builder.getSpanStart(span)
-                    val end = builder.getSpanEnd(span)
-                    builder.replace(start, end, "@$username")
-                    break
-                }
-            }
-        }
-        return builder.toString()
-    }
-
-
 }

app/src/main/java/com/keylesspalace/tusky/entity/DeletedStatus.kt

@@ -0,0 +1,34 @@
+/* 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.entity
+
+import com.google.gson.annotations.SerializedName
+import java.util.*
+
+data class DeletedStatus(
+        var text: String?,
+        @SerializedName("in_reply_to_id") var inReplyToId: String?,
+        @SerializedName("spoiler_text") val spoilerText: String,
+        val visibility: Status.Visibility,
+        val sensitive: Boolean,
+        @SerializedName("media_attachments") var attachments: ArrayList<Attachment>?,
+        val poll: Poll?,
+        @SerializedName("created_at") val createdAt: Date
+) {
+    fun isEmpty(): Boolean {
+        return text == null && attachments == null;
+    }
+}

app/src/main/java/com/keylesspalace/tusky/entity/Status.kt

@@ -15,7 +15,9 @@
 
 package com.keylesspalace.tusky.entity
 
+import android.text.SpannableStringBuilder
 import android.text.Spanned
+import android.text.style.URLSpan
 import com.google.gson.annotations.SerializedName
 import java.util.*
 
@@ -108,6 +110,35 @@ data class Status(
         return pinned ?: false
     }
 
+    fun toDeletedStatus(): DeletedStatus {
+        return DeletedStatus(
+                text = getEditableText(),
+                inReplyToId = inReplyToId,
+                spoilerText = spoilerText,
+                visibility = visibility,
+                sensitive = sensitive,
+                attachments = attachments,
+                poll = poll,
+                createdAt = createdAt
+        )
+    }
+
+    private fun getEditableText(): String {
+        val builder = SpannableStringBuilder(content)
+        for (span in content.getSpans(0, content.length, URLSpan::class.java)) {
+            val url = span.url
+            for ((_, url1, username) in mentions) {
+                if (url == url1) {
+                    val start = builder.getSpanStart(span)
+                    val end = builder.getSpanEnd(span)
+                    builder.replace(start, end, "@$username")
+                    break
+                }
+            }
+        }
+        return builder.toString()
+    }
+
     override fun equals(other: Any?): Boolean {
         if (this === other) return true
         if (other == null || javaClass != other.javaClass) return false

app/src/main/java/com/keylesspalace/tusky/fragment/SFragment.java

@@ -24,10 +24,7 @@ import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.net.Uri;
 import android.os.Environment;
-import android.text.SpannableStringBuilder;
-import android.text.Spanned;
 import android.text.TextUtils;
-import android.text.style.URLSpan;
 import android.util.Log;
 import android.view.Menu;
 import android.view.MenuItem;
@@ -40,6 +37,7 @@ import androidx.appcompat.app.AlertDialog;
 import androidx.appcompat.widget.PopupMenu;
 import androidx.core.app.ActivityOptionsCompat;
 import androidx.core.view.ViewCompat;
+import androidx.lifecycle.Lifecycle;
 
 import com.keylesspalace.tusky.BaseActivity;
 import com.keylesspalace.tusky.BottomSheetActivity;
@@ -68,10 +66,14 @@ import java.util.regex.Pattern;
 
 import javax.inject.Inject;
 
+import io.reactivex.android.schedulers.AndroidSchedulers;
 import retrofit2.Call;
 import retrofit2.Callback;
 import retrofit2.Response;
 
+import static com.uber.autodispose.AutoDispose.autoDisposable;
+import static com.uber.autodispose.android.lifecycle.AndroidLifecycleScopeProvider.from;
+
 /* Note from Andrew on Jan. 22, 2017: This class is a design problem for me, so I left it with an
  * awkward name. TimelineFragment and NotificationFragment have significant overlap but the nature
  * of that is complicated by how they're coupled with Status and Notification and the corresponding
@@ -347,57 +349,62 @@ public abstract class SFragment extends BaseFragment implements Injectable {
         new AlertDialog.Builder(getActivity())
                 .setMessage(R.string.dialog_delete_toot_warning)
                 .setPositiveButton(android.R.string.ok, (dialogInterface, i) -> {
-                    timelineCases.delete(id);
+                    timelineCases.delete(id)
+                            .observeOn(AndroidSchedulers.mainThread())
+                            .as(autoDisposable(from(this, Lifecycle.Event.ON_DESTROY)))
+                            .subscribe(
+                                    deletedStatus -> {},
+                                    error -> {
+                                        Log.w("SFragment", "error deleting status", error);
+                                        Toast.makeText(getContext(), R.string.error_generic, Toast.LENGTH_SHORT).show();
+                                    });
                     removeItem(position);
                 })
                 .setNegativeButton(android.R.string.cancel, null)
                 .show();
     }
 
-    private void showConfirmEditDialog(final String id, final int position, Status status) {
+    private void showConfirmEditDialog(final String id, final int position, final Status status) {
         if (getActivity() == null) {
             return;
         }
         new AlertDialog.Builder(getActivity())
                 .setMessage(R.string.dialog_redraft_toot_warning)
                 .setPositiveButton(android.R.string.ok, (dialogInterface, i) -> {
-                    timelineCases.delete(id);
+                    timelineCases.delete(id)
+                            .observeOn(AndroidSchedulers.mainThread())
+                            .as(autoDisposable(from(this, Lifecycle.Event.ON_DESTROY)))
+                            .subscribe(deletedStatus -> {
                                         removeItem(position);
 
+                                        if(deletedStatus.isEmpty()) {
+                                            deletedStatus = status.toDeletedStatus();
+                                        }
+
                                         ComposeActivity.IntentBuilder intentBuilder = new ComposeActivity.IntentBuilder()
-                            .tootText(getEditableText(status.getContent(), status.getMentions()))
-                            .inReplyToId(status.getInReplyToId())
-                            .visibility(status.getVisibility())
-                            .contentWarning(status.getSpoilerText())
-                            .mediaAttachments(status.getAttachments())
-                            .sensitive(status.getSensitive());
-                    if(status.getPoll() != null) {
-                        intentBuilder.poll(status.getPoll().toNewPoll(status.getCreatedAt()));
+                                                .tootText(deletedStatus.getText())
+                                                .inReplyToId(deletedStatus.getInReplyToId())
+                                                .visibility(deletedStatus.getVisibility())
+                                                .contentWarning(deletedStatus.getSpoilerText())
+                                                .mediaAttachments(deletedStatus.getAttachments())
+                                                .sensitive(deletedStatus.getSensitive());
+                                        if(deletedStatus.getPoll() != null) {
+                                            intentBuilder.poll(deletedStatus.getPoll().toNewPoll(deletedStatus.getCreatedAt()));
                                         }
 
                                         Intent intent = intentBuilder.build(getContext());
                                         startActivity(intent);
+                                    },
+                                    error -> {
+                                        Log.w("SFragment", "error deleting status", error);
+                                        Toast.makeText(getContext(), R.string.error_generic, Toast.LENGTH_SHORT).show();
+                                    });
+
                 })
                 .setNegativeButton(android.R.string.cancel, null)
                 .show();
     }
 
-    private String getEditableText(Spanned content, Status.Mention[] mentions) {
-        SpannableStringBuilder builder = new SpannableStringBuilder(content);
-        for (URLSpan span : content.getSpans(0, content.length(), URLSpan.class)) {
-            String url = span.getURL();
-            for (Status.Mention mention : mentions) {
-                if (url.equals(mention.getUrl())) {
-                    int start = builder.getSpanStart(span);
-                    int end = builder.getSpanEnd(span);
-                    builder.replace(start, end, '@' + mention.getUsername());
-                    break;
-                }
-            }
-        }
-        return builder.toString();
-    }
-
     private void openAsAccount(String statusUrl, AccountEntity account) {
         accountManager.setActiveAccount(account);
         Intent intent = new Intent(getContext(), MainActivity.class);

app/src/main/java/com/keylesspalace/tusky/network/MastodonApi.java

@@ -20,6 +20,7 @@ import com.keylesspalace.tusky.entity.Account;
 import com.keylesspalace.tusky.entity.AppCredentials;
 import com.keylesspalace.tusky.entity.Attachment;
 import com.keylesspalace.tusky.entity.Conversation;
+import com.keylesspalace.tusky.entity.DeletedStatus;
 import com.keylesspalace.tusky.entity.Emoji;
 import com.keylesspalace.tusky.entity.Filter;
 import com.keylesspalace.tusky.entity.Instance;
@@ -152,7 +153,7 @@ public interface MastodonApi {
             @Query("max_id") String maxId);
 
     @DELETE("api/v1/statuses/{id}")
-    Call<ResponseBody> deleteStatus(@Path("id") String statusId);
+    Single<DeletedStatus> deleteStatus(@Path("id") String statusId);
 
     @POST("api/v1/statuses/{id}/reblog")
     Single<Status> reblogStatus(@Path("id") String statusId);
@@ -363,11 +364,6 @@ public interface MastodonApi {
             @Field("expires_in") String expiresIn
     );
 
-    @GET("api/v1/filters/{id}")
-    Call<Filter> getFilter(
-            @Path("id") String id
-    );
-
     @FormUrlEncoded
     @PUT("api/v1/filters/{id}")
     Call<Filter> updateFilter(

app/src/main/java/com/keylesspalace/tusky/network/TimelineCases.kt

@@ -16,13 +16,13 @@
 package com.keylesspalace.tusky.network
 
 import com.keylesspalace.tusky.appstore.*
+import com.keylesspalace.tusky.entity.DeletedStatus
 import com.keylesspalace.tusky.entity.Poll
 import com.keylesspalace.tusky.entity.Relationship
 import com.keylesspalace.tusky.entity.Status
 import io.reactivex.Single
 import io.reactivex.disposables.CompositeDisposable
 import io.reactivex.rxkotlin.addTo
-import okhttp3.ResponseBody
 import retrofit2.Call
 import retrofit2.Callback
 import retrofit2.Response
@@ -37,7 +37,7 @@ interface TimelineCases {
     fun favourite(status: Status, favourite: Boolean): Single<Status>
     fun mute(id: String)
     fun block(id: String)
-    fun delete(id: String)
+    fun delete(id: String): Single<DeletedStatus>
     fun pin(status: Status, pin: Boolean)
     fun voteInPoll(status: Status, choices: List<Int>): Single<Poll>
 
@@ -101,15 +101,12 @@ class TimelineCasesImpl(
 
     }
 
-    override fun delete(id: String) {
-        val call = mastodonApi.deleteStatus(id)
-        call.enqueue(object : Callback<ResponseBody> {
-            override fun onResponse(call: Call<ResponseBody>, response: Response<ResponseBody>) {}
-
-            override fun onFailure(call: Call<ResponseBody>, t: Throwable) {}
-        })
+    override fun delete(id: String): Single<DeletedStatus> {
+        return mastodonApi.deleteStatus(id)
+                .doAfterSuccess {
                     eventHub.dispatch(StatusDeletedEvent(id))
                 }
+    }
 
     override fun pin(status: Status, pin: Boolean) {
         // Replace with extension method if we use RxKotlin