Implement moderator tags

res/drawable/icon_crown.xml

@@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="512dp"
+    android:height="512dp"
+    android:viewportWidth="512"
+    android:viewportHeight="512">
+  <path
+      android:pathData="m419.25,369.977h-326.5c-4.988,0 -9.648,-2.465 -12.457,-6.586 -43.078,-63.172 -46.383,-184.691 -46.633,-202.73 -0.016,-0.707 -0.023,-1.422 -0.023,-2.133 0,-8.316 6.734,-15.063 15.051,-15.078h0.031c8.301,0 15.047,6.715 15.078,15.02 0,0.102 0.004,0.992 0.039,2.57 1.328,42.902 36.645,77.391 79.863,77.391 44.059,0 79.902,-35.844 79.902,-79.902 0,-8.328 6.754,-15.078 15.078,-15.078h34.637c8.328,0 15.078,6.75 15.078,15.078 0,44.059 35.848,79.902 79.906,79.902 43.258,0 78.598,-34.551 79.867,-77.508 0.027,-1.508 0.035,-2.352 0.035,-2.449 0.031,-8.309 6.773,-15.023 15.078,-15.023h0.027c8.316,0.016 15.051,6.762 15.051,15.078 0,0.715 -0.008,1.426 -0.02,2.137 -0.254,18.035 -3.559,139.559 -46.633,202.73 -2.809,4.117 -7.473,6.582 -12.457,6.582zM419.25,369.977"
+      android:fillColor="#fff780"/>
+  <path
+      android:pathData="m463.309,143.449c-0.008,0 -0.016,0 -0.027,0 -8.301,0 -15.047,6.715 -15.078,15.02 0,0.102 -0.004,0.945 -0.035,2.453 -1.27,42.953 -36.609,77.508 -79.867,77.508 -44.059,0 -79.902,-35.844 -79.902,-79.902 0,-8.328 -6.754,-15.078 -15.078,-15.078h-17.316v226.523h163.246c4.988,0 9.648,-2.465 12.457,-6.582 43.078,-63.172 46.383,-184.695 46.633,-202.73 0.016,-0.707 0.023,-1.422 0.023,-2.133 -0.004,-8.316 -6.738,-15.063 -15.055,-15.078zM463.309,143.449"
+      android:fillColor="#ffc02e"/>
+  <path
+      android:pathData="m256,92c-26.863,0 -48.719,21.855 -48.719,48.719s21.855,48.715 48.719,48.715 48.719,-21.852 48.719,-48.715 -21.855,-48.719 -48.719,-48.719zM256,92"
+      android:fillColor="#ffc02e"/>
+  <path
+      android:pathData="m256.004,92v97.438c26.863,-0.004 48.715,-21.855 48.715,-48.719s-21.855,-48.715 -48.715,-48.719zM256.004,92"
+      android:fillColor="#ffa73b"/>
+  <path
+      android:pathData="m48.719,129.598c-26.863,0 -48.719,21.855 -48.719,48.719 0,26.863 21.855,48.719 48.719,48.719s48.715,-21.855 48.715,-48.719c0,-26.863 -21.852,-48.719 -48.715,-48.719zM48.719,129.598"
+      android:fillColor="#ffc02e"/>
+  <path
+      android:pathData="m463.281,129.598c-26.863,0 -48.715,21.855 -48.715,48.719 0,26.859 21.852,48.715 48.715,48.715s48.719,-21.855 48.719,-48.715c0,-26.863 -21.855,-48.719 -48.719,-48.719zM463.281,129.598"
+      android:fillColor="#ffa73b"/>
+  <path
+      android:pathData="m419.25,419.441h-326.5c-8.328,0 -15.078,-6.75 -15.078,-15.078v-44.965h356.656v44.965c0,8.328 -6.75,15.078 -15.078,15.078zM419.25,419.441"
+      android:fillColor="#ffc02e"/>
+  <path
+      android:pathData="m256.004,419.441h163.246c8.328,0 15.078,-6.75 15.078,-15.078v-44.965h-178.324zM256.004,419.441"
+      android:fillColor="#ffa73b"/>
+</vector>

res/layout/conversation_item_received.xml

@@ -23,7 +23,7 @@
         android:clipToPadding="false"
         android:clipChildren="false">
 
-        <FrameLayout
+        <RelativeLayout
             android:id="@+id/contact_photo_container"
             android:layout_width="36dp"
             android:layout_height="wrap_content"
@@ -39,7 +39,15 @@
                 android:cropToPadding="true"
                 android:contentDescription="@string/conversation_item_received__contact_photo_description" />
 
-        </FrameLayout>
+            <ImageView
+                android:id="@+id/moderator_icon_image_view"
+                android:layout_width="20dp"
+                android:layout_height="20dp"
+                android:src="@drawable/icon_crown"
+                android:layout_alignParentEnd="true"
+                android:layout_alignParentBottom="true" />
+
+        </RelativeLayout>
 
         <LinearLayout
             android:layout_width="match_parent"

src/org/thoughtcrime/securesms/conversation/ConversationFragment.java

@@ -413,8 +413,8 @@ public class ConversationFragment extends Fragment
       boolean isSentByUser = ((MessageRecord)messageRecords.toArray()[0]).isOutgoing();
       menu.findItem(R.id.menu_context_copy_public_key).setVisible(isLokiPublicChat && selectedMessageCount == 1 && !isSentByUser);
       menu.findItem(R.id.menu_context_reply).setVisible(isLokiPublicChat && selectedMessageCount == 1);
-      LokiAPIDatabase lokiAPIDatabase = DatabaseFactory.getLokiAPIDatabase(getContext());
+      String userHexEncodedPublicKey = TextSecurePreferences.getLocalNumber(getContext());
-      boolean userCanModerate = lokiAPIDatabase.isModerator(LokiGroupChatAPI.getPublicChatServerID(), LokiGroupChatAPI.getPublicChatServer());
+      boolean userCanModerate = LokiGroupChatAPI.Companion.isUserModerator(userHexEncodedPublicKey, LokiGroupChatAPI.getPublicChatServerID(), LokiGroupChatAPI.getPublicChatServer());
       boolean isDeleteOptionVisible = isLokiPublicChat && selectedMessageCount == 1 && (isSentByUser || userCanModerate);
       menu.findItem(R.id.menu_context_delete_message).setVisible(isDeleteOptionVisible);
     } else {

src/org/thoughtcrime/securesms/conversation/ConversationItem.java

@@ -45,6 +45,7 @@ import android.util.AttributeSet;
 import android.util.TypedValue;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.TextView;
 import android.widget.Toast;
@@ -99,9 +100,19 @@ import org.thoughtcrime.securesms.mms.TextSlide;
 import org.thoughtcrime.securesms.recipients.Recipient;
 import org.thoughtcrime.securesms.recipients.RecipientModifiedListener;
 import org.thoughtcrime.securesms.stickers.StickerUrl;
-import org.thoughtcrime.securesms.util.*;
+import org.thoughtcrime.securesms.util.DateUtils;
+import org.thoughtcrime.securesms.util.DynamicTheme;
+import org.thoughtcrime.securesms.util.GroupUtil;
+import org.thoughtcrime.securesms.util.LongClickCopySpan;
+import org.thoughtcrime.securesms.util.LongClickMovementMethod;
+import org.thoughtcrime.securesms.util.SearchUtil;
+import org.thoughtcrime.securesms.util.TextSecurePreferences;
+import org.thoughtcrime.securesms.util.ThemeUtil;
+import org.thoughtcrime.securesms.util.Util;
+import org.thoughtcrime.securesms.util.ViewUtil;
 import org.thoughtcrime.securesms.util.views.Stub;
 import org.whispersystems.libsignal.util.guava.Optional;
+import org.whispersystems.signalservice.loki.api.LokiGroupChatAPI;
 
 import java.util.Collections;
 import java.util.HashSet;
@@ -142,6 +153,7 @@ public class ConversationItem extends LinearLayout
   private   TextView               groupSenderProfileName;
   private   View                   groupSenderHolder;
   private   AvatarImageView        contactPhoto;
+  private   ImageView              moderatorIconImageView;
   private   ViewGroup              contactPhotoHolder;
   private   AlertView              alertView;
   private   ViewGroup              container;
@@ -198,6 +210,7 @@ public class ConversationItem extends LinearLayout
     this.groupSenderProfileName  =            findViewById(R.id.group_message_sender_profile);
     this.alertView               =            findViewById(R.id.indicators_parent);
     this.contactPhoto            =            findViewById(R.id.contact_photo);
+    this.moderatorIconImageView      =            findViewById(R.id.moderator_icon_image_view);
     this.contactPhotoHolder      =            findViewById(R.id.contact_photo_container);
     this.bodyBubble              =            findViewById(R.id.body_bubble);
     this.mediaThumbnailStub      = new Stub<>(findViewById(R.id.image_view_stub));
@@ -921,14 +934,25 @@ public class ConversationItem extends LinearLayout
 
       if (!next.isPresent() || next.get().isUpdate() || !current.getRecipient().getAddress().equals(next.get().getRecipient().getAddress())) {
         contactPhoto.setVisibility(VISIBLE);
+        int visibility;
+        if (conversationRecipient.getName() != null && conversationRecipient.getName().equals("Loki Public Chat")) {
+          boolean isModerator = LokiGroupChatAPI.Companion.isUserModerator(TextSecurePreferences.getLocalNumber(getContext()), LokiGroupChatAPI.getPublicChatServerID(), LokiGroupChatAPI.getPublicChatServer());
+          visibility = isModerator ? View.VISIBLE : View.GONE;
+        } else {
+          visibility = View.GONE;
+        }
+        moderatorIconImageView.setVisibility(visibility);
       } else {
         contactPhoto.setVisibility(GONE);
+        moderatorIconImageView.setVisibility(GONE);
+
       }
     } else {
       groupSenderHolder.setVisibility(GONE);
 
       if (contactPhotoHolder != null) {
         contactPhotoHolder.setVisibility(GONE);
+        moderatorIconImageView.setVisibility(GONE);
       }
     }
   }

src/org/thoughtcrime/securesms/database/helpers/SQLCipherOpenHelper.java

@@ -129,7 +129,6 @@ public class SQLCipherOpenHelper extends SQLiteOpenHelper {
     db.execSQL(LokiAPIDatabase.getCreateGroupChatAuthTokenTableCommand());
     db.execSQL(LokiAPIDatabase.getCreateLastMessageServerIDTableCommand());
     db.execSQL(LokiAPIDatabase.getCreateLastDeletionServerIDTableCommand());
-    db.execSQL(LokiAPIDatabase.getCreateModerationPermissionTableCommand());
     db.execSQL(LokiPreKeyBundleDatabase.getCreateTableCommand());
     db.execSQL(LokiPreKeyRecordDatabase.getCreateTableCommand());
     db.execSQL(LokiMessageDatabase.getCreateTableCommand());

src/org/thoughtcrime/securesms/loki/LokiAPIDatabase.kt

@@ -45,11 +45,6 @@ class LokiAPIDatabase(context: Context, helper: SQLCipherOpenHelper) : Database(
         private val lastDeletionServerIDCacheIndex = "loki_api_last_deletion_server_id_cache_index"
         private val lastDeletionServerID = "last_deletion_server_id"
         @JvmStatic val createLastDeletionServerIDTableCommand = "CREATE TABLE $lastDeletionServerIDCache ($lastDeletionServerIDCacheIndex STRING PRIMARY KEY, $lastDeletionServerID INTEGER DEFAULT 0);"
-        // Moderation permission cache
-        private val moderationPermissionCache = "loki_api_moderation_permission_cache"
-        private val moderationPermissionCacheIndex = "loki_api_moderation_permission_cache_index"
-        private val isModerator = "is_moderator"
-        @JvmStatic val createModerationPermissionTableCommand = "CREATE TABLE $moderationPermissionCache ($moderationPermissionCacheIndex STRING PRIMARY KEY, $isModerator INTEGER DEFAULT 0);"
     }
 
     override fun getSwarmCache(hexEncodedPublicKey: String): Set<LokiAPITarget>? {
@@ -146,21 +141,6 @@ class LokiAPIDatabase(context: Context, helper: SQLCipherOpenHelper) : Database(
         val row = wrap(mapOf( lastDeletionServerIDCacheIndex to index, lastDeletionServerID to newValue.toString() ))
         database.insertOrUpdate(lastDeletionServerIDCache, row, "$lastDeletionServerIDCacheIndex = ?", wrap(index))
     }
-
-    fun isModerator(group: Long, server: String): Boolean {
-        val database = databaseHelper.readableDatabase
-        val index = "$server.$group"
-        return database.get(moderationPermissionCache, "$moderationPermissionCacheIndex = ?", wrap(index)) { cursor ->
-            cursor.getInt(isModerator)
-        } == 1
-    }
-
-    fun setIsModerator(group: Long, server: String, newValue: Boolean) {
-        val database = databaseHelper.writableDatabase
-        val index = "$server.$group"
-        val row = wrap(mapOf( moderationPermissionCacheIndex to index, isModerator to (if (newValue) 1 else 0).toString() ))
-        database.insertOrUpdate(moderationPermissionCache, row, "$moderationPermissionCacheIndex = ?", wrap(index))
-    }
 }
 
 // region Convenience

src/org/thoughtcrime/securesms/loki/LokiGroupChatPoller.kt

@@ -58,11 +58,11 @@ class LokiGroupChatPoller(private val context: Context, private val group: LokiG
         }
     }
 
-    private val pollForModerationPermissionTask = object : Runnable {
+    private val pollForModeratorsTask = object : Runnable {
 
         override fun run() {
-            pollForModerationPermission()
+            pollForModerators()
-            handler.postDelayed(this, pollForModerationPermissionInterval)
+            handler.postDelayed(this, pollForModeratorsInterval)
         }
     }
     // endregion
@@ -71,7 +71,7 @@ class LokiGroupChatPoller(private val context: Context, private val group: LokiG
     companion object {
         private val pollForNewMessagesInterval: Long = 4 * 1000
         private val pollForDeletedMessagesInterval: Long = 20 * 1000
-        private val pollForModerationPermissionInterval: Long = 10 * 60 * 1000
+        private val pollForModeratorsInterval: Long = 10 * 60 * 1000
     }
     // endregion
 
@@ -80,14 +80,14 @@ class LokiGroupChatPoller(private val context: Context, private val group: LokiG
         if (hasStarted) return
         pollForNewMessagesTask.run()
         pollForDeletedMessagesTask.run()
-        pollForModerationPermissionTask.run()
+        pollForModeratorsTask.run()
         hasStarted = true
     }
 
     fun stop() {
         handler.removeCallbacks(pollForNewMessagesTask)
         handler.removeCallbacks(pollForDeletedMessagesTask)
-        handler.removeCallbacks(pollForModerationPermissionTask)
+        handler.removeCallbacks(pollForModeratorsTask)
         hasStarted = false
     }
     // endregion
@@ -189,11 +189,8 @@ class LokiGroupChatPoller(private val context: Context, private val group: LokiG
         }
     }
 
-    private fun pollForModerationPermission() {
+    private fun pollForModerators() {
-        api.userHasModerationPermission(group.serverID, group.server).success { isModerator ->
+        api.getModerators(group.serverID, group.server)
-            val lokiAPIDatabase = DatabaseFactory.getLokiAPIDatabase(context)
-            lokiAPIDatabase.setIsModerator(group.serverID, group.server, isModerator)
-        }
     }
     // endregion
 }