Display conversation names

app/src/main/java/org/communiquons/android/comunic/client/MainActivity.java

@@ -83,7 +83,7 @@ public class MainActivity extends AppCompatActivity
         }
 
         //Initialize DatabaseHelper
-        dbHelper = new DatabaseHelper(getApplicationContext());
+        dbHelper = DatabaseHelper.getInstance(this);
 
         //If it is the first time the application is launched, start the user friends tab
         if(savedInstanceState == null){

app/src/main/java/org/communiquons/android/comunic/client/data/DatabaseHelper.java

@@ -95,10 +95,21 @@ public class DatabaseHelper extends SQLiteOpenHelper {
 
 
     /**
-     * Public constructor
+     * Get the current database helper instance
+     *
+     * @param context The context
+     * @return DatabaseHelper object
+     */
+    public static synchronized DatabaseHelper getInstance(Context context){
+        return new DatabaseHelper(context.getApplicationContext());
+    }
+
+    /**
+     * Private constructor
+     *
      * @param context The context where the database is used
      */
-    public DatabaseHelper(Context context){
+    private DatabaseHelper(Context context){
         super(context, DatabaseContract.DATABASE_NAME, null, DatabaseContract.DATABASE_VERSION);
     }
 

app/src/main/java/org/communiquons/android/comunic/client/data/UsersInfo/UsersInfosDbHelper.java

@@ -88,7 +88,7 @@ class UsersInfosDbHelper {
         c.close();
 
         //Close the database
-        db.close();
+        //db.close();
 
         return number_entries > 0;
     }
@@ -115,7 +115,7 @@ class UsersInfosDbHelper {
         long newRowId = db.insert(UsersInfoSchema.TABLE_NAME, null, newValues);
 
         //Close the database
-        db.close();
+        //db.close();
 
         return (int) newRowId;
     }
@@ -187,7 +187,7 @@ class UsersInfosDbHelper {
         c.close();
 
         //Close the database
-        db.close();
+        //db.close();
 
         return result;
     }
@@ -211,7 +211,7 @@ class UsersInfosDbHelper {
         int result = db.delete(UsersInfoSchema.TABLE_NAME, condition, conditionArgs);
 
         //Close database
-        db.close();
+        //db.close();
 
         return result > 0;
     }
@@ -243,7 +243,7 @@ class UsersInfosDbHelper {
         //Perform the request
         int result = db.update(UsersInfoSchema.TABLE_NAME, newValues, conditions, conditionArgs);
 
-        db.close();
+        //db.close();
 
         return result > 0;
     }

app/src/main/java/org/communiquons/android/comunic/client/data/conversations/ConversationMessagesDbHelper.java

@@ -88,7 +88,7 @@ class ConversationMessagesDbHelper {
         }
 
         response.close();
-        db.close();
+        //db.close();
 
         return message;
     }
@@ -114,7 +114,7 @@ class ConversationMessagesDbHelper {
 
         }
 
-        db.close();
+        //db.close();
 
         return success;
     }
@@ -154,7 +154,7 @@ class ConversationMessagesDbHelper {
 
         //Close objects
         cur.close();
-        db.close();
+        //db.close();
 
         return list;
     }

app/src/main/java/org/communiquons/android/comunic/client/data/conversations/ConversationsInfo.java

@@ -1,6 +1,7 @@
 package org.communiquons.android.comunic.client.data.conversations;
 
 import android.support.annotation.Nullable;
+import android.util.Log;
 
 import java.util.ArrayList;
 
@@ -91,7 +92,7 @@ public class ConversationsInfo {
     public void setName(@Nullable String name) {
 
         //Check the validity of the name
-        if(name == "false" || name == "null" || name == null)
+        if(("false").equals(name) || ("null").equals(name) || name == null)
             this.name = null;
         else
             this.name = name;

app/src/main/java/org/communiquons/android/comunic/client/data/conversations/ConversationsListDbHelper.java

@@ -1,8 +1,11 @@
 package org.communiquons.android.comunic.client.data.conversations;
 
 import android.content.ContentValues;
+import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
 import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.util.Log;
 
 import org.communiquons.android.comunic.client.data.DatabaseContract.ConversationsListSchema;
 import org.communiquons.android.comunic.client.data.DatabaseHelper;
@@ -58,11 +61,55 @@ public class ConversationsListDbHelper {
                 success = false;
         }
 
-        db.close();
+        //db.close();
 
         return success;
     }
 
+    /**
+     * Get information about a single conversation
+     *
+     * @param convID The conversation ID
+     * @return Information about the conversation (if available locally) or null in case of failure
+     */
+    @Nullable
+    ConversationsInfo getInfos(int convID){
+        SQLiteDatabase db = databaseHelper.getReadableDatabase();
+
+        //Prepare database request
+        String table = ConversationsListSchema.TABLE_NAME;
+        String[] columns = {
+                ConversationsListSchema.COLUMN_NAME_CONVERSATION_ID,
+                ConversationsListSchema.COLUMN_NAME_CONVERSATION_ID_OWNER,
+                ConversationsListSchema.COLUMN_NAME_CONVERSATION_LAST_ACTIVE,
+                ConversationsListSchema.COLUMN_NAME_CONVERSATION_NAME,
+                ConversationsListSchema.COLUMN_NAME_CONVERSATION_FOLLOWING,
+                ConversationsListSchema.COLUMN_NAME_CONVERSATION_SAW_LAST_MESSAGES,
+                ConversationsListSchema.COLUMN_NAME_CONVERSATION_MEMBERS,
+        };
+        String selection = ConversationsListSchema.COLUMN_NAME_CONVERSATION_ID + " = ?";
+        String[] selectionArgs = {""+convID};
+
+        //Perform database request
+        Cursor c = db.query(table, columns, selection, selectionArgs, null, null, null);
+
+        ConversationsInfo infos = null;
+
+        //Check for result
+        if(c.getCount() != 0){
+            c.moveToFirst();
+
+            //Parse result
+            infos = getConvObj(c);
+        }
+
+        c.close();
+        //db.close();
+
+        return infos;
+
+    }
+
     /**
      * Delete all the list of conversations
      */
@@ -72,7 +119,7 @@ public class ConversationsListDbHelper {
         //Prepare the request
         db.delete(TABLE_NAME, null, null);
 
-        db.close();
+        //db.close();
     }
 
     /**
@@ -117,4 +164,34 @@ public class ConversationsListDbHelper {
 
         return values;
     }
+
+    /**
+     * Get the conversation object related to a current cursor position
+     *
+     * @param c The cursor
+     * @return The Generated conversation information
+     */
+    private ConversationsInfo getConvObj(Cursor c){
+
+        ConversationsInfo infos = new ConversationsInfo();
+
+        //Get the values
+        infos.setID(c.getInt(c.getColumnIndexOrThrow(
+                ConversationsListSchema.COLUMN_NAME_CONVERSATION_ID)));
+        infos.setID_owner(c.getInt(c.getColumnIndexOrThrow(
+                ConversationsListSchema.COLUMN_NAME_CONVERSATION_ID_OWNER)));
+        infos.setLast_active(c.getInt(c.getColumnIndexOrThrow(
+                ConversationsListSchema.COLUMN_NAME_CONVERSATION_LAST_ACTIVE)));
+        infos.setName(c.getString(c.getColumnIndexOrThrow(
+                ConversationsListSchema.COLUMN_NAME_CONVERSATION_NAME)));
+        infos.setFollowing(c.getInt(c.getColumnIndexOrThrow(
+                ConversationsListSchema.COLUMN_NAME_CONVERSATION_FOLLOWING)) == 1);
+        infos.setSaw_last_message(c.getInt(c.getColumnIndexOrThrow(
+                ConversationsListSchema.COLUMN_NAME_CONVERSATION_SAW_LAST_MESSAGES)) == 1);
+        infos.parseMembersString(c.getString(c.getColumnIndexOrThrow(
+                ConversationsListSchema.COLUMN_NAME_CONVERSATION_MEMBERS)));
+
+        return infos;
+
+    }
 }

app/src/main/java/org/communiquons/android/comunic/client/data/conversations/ConversationsListHelper.java

@@ -3,12 +3,15 @@ package org.communiquons.android.comunic.client.data.conversations;
 import android.content.Context;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
+import android.util.ArrayMap;
 import android.util.Log;
 
 import org.communiquons.android.comunic.client.api.APIRequest;
 import org.communiquons.android.comunic.client.api.APIRequestParameters;
 import org.communiquons.android.comunic.client.api.APIResponse;
 import org.communiquons.android.comunic.client.data.DatabaseHelper;
+import org.communiquons.android.comunic.client.data.UsersInfo.GetUsersHelper;
+import org.communiquons.android.comunic.client.data.UsersInfo.UserInfo;
 import org.json.JSONArray;
 import org.json.JSONException;
 import org.json.JSONObject;
@@ -36,6 +39,11 @@ public class ConversationsListHelper {
      */
     private ConversationsListDbHelper convDBHelper;
 
+    /**
+     * Database helper
+     */
+    private DatabaseHelper dbHelper;
+
     /**
      * The constructor of the class
      *
@@ -45,6 +53,7 @@ public class ConversationsListHelper {
     public ConversationsListHelper(Context context, DatabaseHelper dbHelper){
         mContext = context;
         convDBHelper = new ConversationsListDbHelper(dbHelper);
+        this.dbHelper = dbHelper;
     }
 
     /**
@@ -67,6 +76,73 @@ public class ConversationsListHelper {
         return list;
     }
 
+    /**
+     * Get information about a conversation
+     *
+     * @param convID The conversation ID
+     * @param allowDownload In case the conversation was not found locally, allow informations about
+     *                      the conversation to be fetched online
+     * @return Information about the conversation, or false in case of failure
+     */
+    @Nullable
+    public ConversationsInfo getInfosSingle(int convID, boolean allowDownload){
+
+        ConversationsInfo infos;
+
+        //Try to fetch information from the local database
+        if((infos = convDBHelper.getInfos(convID)) != null)
+            return infos;
+
+        //Check if we are not allowed to fetch informations online
+        if(!allowDownload)
+            return null;
+
+        //Get informations about the conversation online
+        return downloadSingle(convID);
+    }
+
+    /**
+     * Get the display name of a conversation
+     *
+     * @param infos Informations about a conversation
+     * @return The name of the conversation
+     */
+    public String getDisplayName(ConversationsInfo infos){
+
+        //Check if a specific name has been specified
+        if(infos.hasName())
+            return infos.getName();
+
+        //Get the list of members of the conversation
+        ArrayList<Integer> members = infos.getMembers();
+
+        //Get information about the users
+        ArrayMap<Integer, UserInfo> users =
+                new GetUsersHelper(mContext, dbHelper).getMultiple(members);
+
+        if(users == null)
+            return ""; //No name by default
+
+        String name = "";
+
+        int count = 0;
+        for(Integer id : users.keySet()){
+            if(users.get(id) != null){
+
+                if(count > 0)
+                    name += ", ";
+
+                name += users.get(id).getFullName();
+                count++;
+
+                if(count > 3)
+                    break;
+            }
+        }
+
+        return name;
+    }
+
     /**
      * Get online (download) the list of all the conversations
      *
@@ -104,6 +180,35 @@ public class ConversationsListHelper {
         return list;
     }
 
+    /**
+     * Download informations about a single conversation online
+     *
+     * @param convID The ID of the conversation to fetch
+     * @return Informations about the conversation in case of success / null else
+     */
+    @Nullable
+    private ConversationsInfo downloadSingle(int convID){
+
+        //Perform an API request
+        APIRequestParameters params = new APIRequestParameters(mContext,
+                "conversations/getInfosOne");
+        params.addParameter("conversationID", ""+convID);
+
+        try {
+
+            APIResponse response = new APIRequest().exec(params);
+
+            JSONObject object = response.getJSONObject();
+
+            return parseConversationJSON(object);
+
+        } catch (Exception e){
+            e.printStackTrace();
+            return null;
+        }
+
+    }
+
     /**
      * Parse a JSONObject into a conversation info element
      *

app/src/main/java/org/communiquons/android/comunic/client/data/friendsList/FriendsListDbHelper.java

@@ -97,7 +97,7 @@ public class FriendsListDbHelper {
         c.close();
 
         //Close the access to the database
-        db.close();
+        //db.close();
 
         return friendsList;
     }
@@ -123,7 +123,7 @@ public class FriendsListDbHelper {
         }
 
         //Close the database
-        db.close();
+        //db.close();
 
         return success;
     }
@@ -167,7 +167,7 @@ public class FriendsListDbHelper {
         int result = db.delete(table_name, whereClause, whereArgs);
 
         //Close the database
-        db.close();
+        //db.close();
 
         return result;
     }
@@ -190,7 +190,7 @@ public class FriendsListDbHelper {
         int result = db.delete(table_name, whereClause, whereValues);
 
         //Close access to the database
-        db.close();
+        //db.close();
 
         return result > 0;
     }
@@ -216,7 +216,7 @@ public class FriendsListDbHelper {
         int result = db.update(table, values, whereClause, whereArgs);
 
         //Close access to the database
-        db.close();
+        //db.close();
 
         return result > 0;
     }

app/src/main/java/org/communiquons/android/comunic/client/fragments/ConversationFragment.java

@@ -31,6 +31,8 @@ import org.communiquons.android.comunic.client.data.conversations.ConversationMe
 import org.communiquons.android.comunic.client.data.conversations.ConversationMessageAdapter;
 import org.communiquons.android.comunic.client.data.conversations.ConversationMessagesHelper;
 import org.communiquons.android.comunic.client.data.conversations.ConversationRefreshRunnable;
+import org.communiquons.android.comunic.client.data.conversations.ConversationsInfo;
+import org.communiquons.android.comunic.client.data.conversations.ConversationsListHelper;
 import org.communiquons.android.comunic.client.data.utils.BitmapUtils;
 
 import java.io.FileNotFoundException;
@@ -71,6 +73,11 @@ public class ConversationFragment extends Fragment
      */
     private int conversation_id;
 
+    /**
+     * Information about the conversation
+     */
+    private ConversationsInfo conversationInfo = null;
+
     /**
      * The last available message id
      */
@@ -101,6 +108,11 @@ public class ConversationFragment extends Fragment
      */
     private ConversationMessagesHelper convMessHelper;
 
+    /**
+     * Conversation list helper
+     */
+    private ConversationsListHelper convListHelper;
+
     /**
      * Conversation messages adapter
      */
@@ -141,11 +153,14 @@ public class ConversationFragment extends Fragment
         super.onCreate(savedInstanceState);
 
         //Database helper
-        DatabaseHelper dbHelper = new DatabaseHelper(getActivity());
+        DatabaseHelper dbHelper = DatabaseHelper.getInstance(getActivity());
 
         //Set conversation message helper
         convMessHelper = new ConversationMessagesHelper(getActivity(), dbHelper);
 
+        //Set conversation list helper
+        convListHelper = new ConversationsListHelper(getActivity(), dbHelper);
+
         //Get the conversation ID
         conversation_id = getArguments().getInt(ARG_CONVERSATION_ID);
 
@@ -156,6 +171,9 @@ public class ConversationFragment extends Fragment
             throw new RuntimeException(TAG + " requires a valid conversation ID when created !");
         }
 
+        //Get information about the conversation
+
+
     }
 
     @Override
@@ -238,9 +256,34 @@ public class ConversationFragment extends Fragment
         //Create and start the thread
         new Thread(refreshRunnable).start();
 
+        //Update conversation title
+        getActivity().setTitle(R.string.fragement_conversation_title);
+
         //Update the bottom navigation menu
         ((MainActivity) getActivity())
                 .setSelectedNavigationItem(R.id.main_bottom_navigation_conversations);
+
+        //Check for conversation information
+        if(conversationInfo == null){
+
+            //Query information about the conversation
+            new AsyncTask<Void, Void, ConversationsInfo>(){
+                @Override
+                protected ConversationsInfo doInBackground(Void... params) {
+                    ConversationsInfo infos = convListHelper.getInfosSingle(conversation_id, true);
+                    if(infos != null)
+                        infos.setDisplayName(convListHelper.getDisplayName(infos));
+                    return infos;
+                }
+
+                @Override
+                protected void onPostExecute(ConversationsInfo conversationsInfo) {
+                    onGotConversationInfos(conversationsInfo);
+                }
+            }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
+        }
+        else
+            onGotConversationInfos(conversationInfo);
     }
 
     @Override
@@ -319,6 +362,21 @@ public class ConversationFragment extends Fragment
         convMessAdapter.notifyDataSetChanged();
     }
 
+    /**
+     * What to do once we got conversation informations
+     *
+     * @param infos Informations about the conversation
+     */
+    private void onGotConversationInfos(ConversationsInfo infos){
+
+        //Save conversation informations
+        conversationInfo = infos;
+
+        //Update the name of the conversation
+        getActivity().setTitle(infos.getDisplayName());
+
+    }
+
     /**
      * This method is called when the user request to add an image to a message
      */

app/src/main/java/org/communiquons/android/comunic/client/fragments/ConversationsListFragment.java

@@ -91,7 +91,7 @@ public class ConversationsListFragment extends Fragment implements AdapterView.O
         super.onViewCreated(view, savedInstanceState);
 
         //Database helper
-        DatabaseHelper dbHelper = new DatabaseHelper(getActivity());
+        DatabaseHelper dbHelper = DatabaseHelper.getInstance(getActivity());
 
         //Instantiate the user informations helper
         userHelper = new GetUsersHelper(getActivity(), dbHelper);
@@ -240,6 +240,7 @@ public class ConversationsListFragment extends Fragment implements AdapterView.O
         if(list == null) {
             Toast.makeText(getActivity(), R.string.fragment_conversationslist_err_get_list,
                     Toast.LENGTH_LONG).show();
+            display_progress_bar(false);
             return;
         }
 

app/src/main/java/org/communiquons/android/comunic/client/fragments/FriendsListFragment.java

@@ -93,7 +93,7 @@ public class FriendsListFragment extends Fragment {
         mContext = getActivity().getApplicationContext();
 
         //Create database helper
-        mDbHelper = new DatabaseHelper(mContext);
+        mDbHelper = DatabaseHelper.getInstance(mContext);
 
         //Create friendlist operation object
         flist = new FriendsList(mDbHelper, mContext);

app/src/main/java/org/communiquons/android/comunic/client/fragments/UserInfosFragment.java

@@ -57,7 +57,7 @@ public class UserInfosFragment extends Fragment {
 
         //Open DBHelper if required
         if(dbHelper == null)
-            dbHelper = new DatabaseHelper(mContext);
+            dbHelper = DatabaseHelper.getInstance(mContext);
 
         //Get required views
         final ImageView imageView = view.findViewById(R.id.fragments_userinfos_account_image);

app/src/main/res/values/strings.xml

@@ -65,4 +65,5 @@
     <string name="fragment_friendslist_title">Friends</string>
     <string name="fragment_conversationslist_title">Conversations</string>
     <string name="fragment_userinfos_title">About me</string>
+    <string name="fragement_conversation_title">Title</string>
 </resources>