Can update conversation

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

@@ -289,6 +289,7 @@ public class MainActivity extends AppCompatActivity
 
         //Set the arguments of the fragment
         Bundle args = new Bundle();
+        args.putInt(UpdateConversationFragment.ARG_CONVERSATION_ID, convID);
 
         //Create the fragment
         UpdateConversationFragment updateConversationFragment = new UpdateConversationFragment();

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

@@ -136,4 +136,14 @@ public class AccountUtils {
         }
     }
 
+    /**
+     * Get the current user ID quickly
+     *
+     * @param context The context of execution of the application
+     * @return The ID of the current user or -1 in case of failure
+     */
+    public static int getID(Context context){
+        return new AccountUtils(context).get_current_user_id();
+    }
+
 }

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

@@ -3,6 +3,8 @@ package org.communiquons.android.comunic.client.data.conversations;
 import android.support.annotation.Nullable;
 import android.util.Log;
 
+import org.communiquons.android.comunic.client.data.utils.ArrayUtils;
+
 import java.util.ArrayList;
 
 /**
@@ -203,13 +205,7 @@ public class ConversationsInfo {
         if(members == null)
             return "";
 
-        String result = "";
+        return ArrayUtils.int_array_to_string(members, ",");
-
-        for(int member : members){
-            result += member + ",";
-        }
-
-        return result;
     }
 
     /**

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

@@ -110,6 +110,23 @@ public class ConversationsListDbHelper {
 
     }
 
+    /**
+     * Delete a single conversation from the database
+     *
+     * @param convID The ID of the conversation to delete
+     */
+    void delete(int convID){
+
+        //Get writeable access to the database
+        SQLiteDatabase db = databaseHelper.getWritableDatabase();
+
+        //Perform a request on the database
+        String condition = ConversationsListSchema.COLUMN_NAME_CONVERSATION_ID + " = ?";
+        String[] values = {""+convID};
+        db.delete(ConversationsListSchema.TABLE_NAME, condition, values);
+
+    }
+
     /**
      * Delete all the list of conversations
      */

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

@@ -13,6 +13,7 @@ import org.communiquons.android.comunic.client.data.Account.AccountUtils;
 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.communiquons.android.comunic.client.data.utils.ArrayUtils;
 import org.json.JSONArray;
 import org.json.JSONException;
 import org.json.JSONObject;
@@ -220,6 +221,63 @@ public class ConversationsListHelper {
         }
     }
 
+    /**
+     * Update a conversation
+     *
+     * @param convID The ID of the conversation to update
+     * @param following Specify wether the user would like to follow or not the conversation
+     * @return True for a success / False else
+     */
+    public boolean update(int convID, boolean following){
+        return update(convID, null, null, following);
+    }
+
+    /**
+     * Update a conversation
+     *
+     * @param convID The ID of the conversation
+     * @param name The name of the conversation
+     * @param members The list of members of the conversation
+     * @param following True to follow the conversation / false else
+     * @return True for a success / false for a failure
+     */
+    public boolean update(int convID, @Nullable String name,
+                          @Nullable ArrayList<Integer> members, boolean following){
+
+        //Prepare a request on the database
+        APIRequestParameters params = new APIRequestParameters(mContext,
+                "conversations/updateSettings");
+        params.addParameter("conversationID", ""+convID);
+
+        //Add the name (if any)
+        if(name != null)
+            params.addParameter("name", name.equals("") ? "false" : name);
+
+        //Add the members (if any)
+        if(members != null)
+            params.addParameter("members", ArrayUtils.int_array_to_string(members, ","));
+
+        //Add following state
+        params.addParameter("following", following ? "true" : "false");
+
+        //Perform the request
+        try {
+
+            //Try to perform the request
+            new APIRequest().exec(params);
+
+            //Delete the conversation from the local database to force it to be refreshed
+            //on next load
+            convDBHelper.delete(convID);
+
+            return true;
+        } catch (Exception e) {
+            e.printStackTrace();
+            return false;
+        }
+
+    }
+
     /**
      * Get online (download) the list of all the conversations
      *

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

@@ -0,0 +1,32 @@
+package org.communiquons.android.comunic.client.data.utils;
+
+import java.util.ArrayList;
+
+/**
+ * Array utilities functions
+ *
+ * @author Pierre HUBERT
+ * Created by pierre on 1/5/18.
+ */
+
+public class ArrayUtils {
+
+    /**
+     * Convert an ArrayList of Integer into a string
+     *
+     * @param input The input array
+     * @param separator The separator of the values of the array
+     * @return Generated string
+     */
+    public static String int_array_to_string(ArrayList<Integer> input, String separator){
+
+        String result = "";
+
+        for(int value : input){
+            result += value + separator;
+        }
+
+        return result;
+
+    }
+}

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

@@ -324,10 +324,15 @@ public class ConversationsListFragment extends Fragment implements AdapterView.O
             //Check which action was chosen
             switch (item.getItemId()) {
 
+                //To delete the conversation
                 case R.id.menu_fragment_conversationslist_item_delete:
                     confirmDeleteConversation(convID);
                     return true;
 
+                //To udpate the conversation
+                case R.id.menu_fragment_conversationslist_item_update:
+                    updateConversationListener.updateConversation(convID);
+                    return true;
             }
 
         }

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

@@ -24,10 +24,12 @@ import android.widget.Toast;
 import org.communiquons.android.comunic.client.MainActivity;
 import org.communiquons.android.comunic.client.R;
 import org.communiquons.android.comunic.client.SearchUserActivity;
+import org.communiquons.android.comunic.client.data.Account.AccountUtils;
 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.communiquons.android.comunic.client.data.UsersInfo.UsersAsysncInfoAdapter;
+import org.communiquons.android.comunic.client.data.conversations.ConversationsInfo;
 import org.communiquons.android.comunic.client.data.conversations.ConversationsListHelper;
 
 import java.util.ArrayList;
@@ -46,11 +48,41 @@ public class UpdateConversationFragment extends Fragment {
      */
     private static final String TAG = "UpdateConversationFragment";
 
+    /**
+     * The conversation ID argument
+     */
+    public static final String ARG_CONVERSATION_ID = "conversation_id";
+
     /**
      * Find user ID intent
      */
     public static final int FIND_USER_ID_INTENT = 0;
 
+    /**
+     * Action : create a conversation
+     */
+    private static final int ACTION_CREATE_CONVERSATION = 0;
+
+    /**
+     * Action : update a conversation
+     */
+    private static final int ACTION_UPDATE_CONVERSATION = 1;
+
+    /**
+     * Current action of the fragment
+     */
+    private int current_action = ACTION_CREATE_CONVERSATION;
+
+    /**
+     * Target conversation ID
+     */
+    private int conversation_id = 0;
+
+    /**
+     * Specify whether the user is the owner of the conversation or not
+     */
+    private boolean conversation_owner = true;
+
     /**
      * The name of the conversation
      */
@@ -111,6 +143,21 @@ public class UpdateConversationFragment extends Fragment {
      */
     private ConversationsListHelper.openConversationListener convOpener;
 
+    /**
+     * Conversation members list context menu
+     */
+    View.OnCreateContextMenuListener membersListContext = new View.OnCreateContextMenuListener() {
+        @Override
+        public void onCreateContextMenu(ContextMenu menu, View v,
+                ContextMenu.ContextMenuInfo menuInfo) {
+
+            //Create menu
+            MenuInflater menuInflater = getActivity().getMenuInflater();
+            menuInflater.inflate(R.menu.menu_fragment_update_conversation_memberslist, menu);
+
+        }
+    };
+
     @Override
     public void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -171,17 +218,7 @@ public class UpdateConversationFragment extends Fragment {
         init_form();
 
         //Set members list context menu
-        membersList.setOnCreateContextMenuListener(new View.OnCreateContextMenuListener() {
+        membersList.setOnCreateContextMenuListener(membersListContext);
-            @Override
-            public void onCreateContextMenu(ContextMenu menu, View v,
-                                            ContextMenu.ContextMenuInfo menuInfo) {
-
-                //Create menu
-                MenuInflater menuInflater = getActivity().getMenuInflater();
-                menuInflater.inflate(R.menu.menu_fragment_update_conversation_memberslist, menu);
-
-            }
-        });
 
 
     }
@@ -192,9 +229,14 @@ public class UpdateConversationFragment extends Fragment {
         super.onResume();
 
         //Update title and dock
-        getActivity().setTitle(R.string.fragment_update_conversation_title_create);
         ((MainActivity) getActivity()).setSelectedNavigationItem(
                 R.id.main_bottom_navigation_conversations);
+
+        //Set the adapted title
+        if(current_action == ACTION_CREATE_CONVERSATION)
+            getActivity().setTitle(R.string.fragment_update_conversation_title_create);
+        else
+            getActivity().setTitle(R.string.fragment_update_conversation_title_update);
     }
 
     /**
@@ -229,14 +271,92 @@ public class UpdateConversationFragment extends Fragment {
      */
     private void init_form(){
 
-        //Hide progress bar
-        set_progressbar_visibility(false);
-
         //Initialize the list of members
         membersID = new ArrayList<>();
         membersInfo = new ArrayMap<>();
         membersAdapter = new UsersAsysncInfoAdapter(getActivity(), membersID, membersInfo);
         membersList.setAdapter(membersAdapter);
+
+        //Check if we have to create or to update a conversation
+        conversation_id = getArguments().getInt(ARG_CONVERSATION_ID, 0);
+
+        //Check if we have to create a conversation
+        if(conversation_id == 0) {
+
+            //Hide progress bar
+            set_progressbar_visibility(false);
+
+            //Set action
+            current_action = ACTION_CREATE_CONVERSATION;
+
+            //Update submit button text
+            submitButton.setText(R.string.fragment_update_conversation_button_create);
+        }
+
+        //Check if we have to update a conversation
+        else {
+
+            //Lock the form
+            set_form_blocked(true);
+
+            //Set action
+            current_action = ACTION_UPDATE_CONVERSATION;
+
+            //Update submit button text
+            submitButton.setText(R.string.fragment_update_conversation_button_update);
+
+            //Get informations about the conversation
+            new AsyncTask<Integer, Void, ConversationsInfo>(){
+
+                @Override
+                protected ConversationsInfo doInBackground(Integer... params) {
+                    return convListHelper.getInfosSingle(params[0], true);
+                }
+
+                @Override
+                protected void onPostExecute(ConversationsInfo conversationsInfo) {
+                    onGotConversationInfos(conversationsInfo);
+                }
+            }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, conversation_id);
+        }
+
+    }
+
+    /**
+     * This method is called when we received information about a conversation
+     *
+     * @param infos Informations about a conversation, or null in case of failure
+     */
+    private void onGotConversationInfos(@Nullable ConversationsInfo infos){
+
+        //Check if the activity has been destroyed
+        if(getActivity() == null)
+            return;
+
+        //Check for errors
+        if(infos == null){
+            Toast.makeText(getActivity(), R.string.err_get_conversation_info,
+                    Toast.LENGTH_SHORT).show();
+            return;
+        }
+
+        //Check if the user is the owner of the conversation or not
+        conversation_owner = AccountUtils.getID(getActivity()) == infos.getID_owner();
+
+        //Update the values
+        nameView.setText(infos.getName());
+        followCheckbox.setChecked(infos.isFollowing());
+        membersID.addAll(infos.getMembers());
+
+        //Notify members adapter and refresh users informations
+        membersAdapter.notifyDataSetChanged();
+        refresh_members_information();
+
+        //Remove progress bar
+        set_progressbar_visibility(false);
+
+        //Unlock form fields
+        set_form_blocked(false);
     }
 
     /**
@@ -354,7 +474,10 @@ public class UpdateConversationFragment extends Fragment {
         set_form_blocked(true);
         set_progressbar_visibility(true);
 
-        //Create the task in the background
+        //Create the conversation if required
+        if(current_action == ACTION_CREATE_CONVERSATION) {
+
+            //Create the conversation in the background
             new AsyncTask<Void, Void, Integer>() {
 
                 @Override
@@ -370,6 +493,29 @@ public class UpdateConversationFragment extends Fragment {
             }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
         }
 
+        //Update the conversation if required
+        if(current_action == ACTION_UPDATE_CONVERSATION){
+
+            new AsyncTask<Void, Void, Boolean>(){
+                @Override
+                protected Boolean doInBackground(Void... params) {
+
+                    //Check if the current user is the owner of the conversation or not
+                    if(conversation_owner)
+                        return convListHelper.update(conversation_id, name, membersID, following);
+                    else
+                        return convListHelper.update(conversation_id, following);
+                }
+
+                @Override
+                protected void onPostExecute(Boolean result) {
+                    updateCallback(result);
+                }
+            }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
+
+        }
+    }
+
     /**
      * This method is called once the conversation has been created (or not)
      *
@@ -393,6 +539,32 @@ public class UpdateConversationFragment extends Fragment {
         convOpener.openConversation(convID);
     }
 
+    /**
+     * This method is called once the update request on the server has been made
+     *
+     * @param result The result of the operation
+     */
+    private void updateCallback(boolean result){
+
+        if(getActivity() == null)
+            return;
+
+        //Handle errors
+        if(!result){
+            Toast.makeText(getActivity(), R.string.err_conversation_update,
+                    Toast.LENGTH_SHORT).show();
+
+            //Release form
+            set_form_blocked(false);
+            set_progressbar_visibility(false);
+
+            return;
+        }
+
+        //Open conversation
+        convOpener.openConversation(conversation_id);
+    }
+
     /**
      * Update progressbar visibility
      *
@@ -408,9 +580,12 @@ public class UpdateConversationFragment extends Fragment {
      * @param blocked Specify whether the fields should be blocked or not
      */
     private void set_form_blocked(boolean blocked){
-        nameView.setEnabled(!blocked);
+        nameView.setEnabled(!blocked && conversation_owner);
         submitButton.setEnabled(!blocked);
-        addMember.setEnabled(!blocked);
+        addMember.setEnabled(!blocked && conversation_owner);
         followCheckbox.setEnabled(!blocked);
+
+        membersList.setOnCreateContextMenuListener(
+                !blocked && conversation_owner ? membersListContext : null);
     }
 }

app/src/main/res/menu/menu_fragment_conversationslist_item.xml

@@ -1,6 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android">
 
+    <!-- Update the conversation -->
+    <item
+        android:id="@+id/menu_fragment_conversationslist_item_update"
+        android:title="@string/action_conversation_update" />
+
+    <!-- Delete the conversation -->
     <item
         android:id="@+id/menu_fragment_conversationslist_item_delete"
         android:title="@string/action_conversation_delete" />

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

@@ -68,6 +68,7 @@
     <string name="fragment_conversation_title">Title</string>
     <string name="fragment_conversation_err_getconvinfos">Could not get information about the conversation !</string>
     <string name="action_conversation_delete">Delete</string>
+    <string name="action_conversation_update">Update</string>
     <string name="popup_deleteconversation_title">Remove conversation</string>
     <string name="popup_deleteconversation_messsage">Are you sure do you want to remove this conversation ? All the messages you posted will be deleted. If you are the owner of the conversation, all the messages will be removed.</string>
     <string name="popup_deleteconversation_confirm">Delete</string>
@@ -75,8 +76,10 @@
     <string name="fragment_conversationslist_err_del_conversation">Could not delete conversation !</string>
     <string name="fragment_conversation_no_msg">No message yet.</string>
     <string name="fragment_update_conversation_title_create">Create a conversation</string>
+    <string name="fragment_update_conversation_title_update">Update a conversation</string>
     <string name="fragment_update_conversation_name_placeholder">Conversation name</string>
     <string name="fragment_update_conversation_button_create">Create</string>
+    <string name="fragment_update_conversation_button_update">Update</string>
     <string name="fragment_update_conversation_follow">Follow the conversation</string>
     <string name="fragment_update_conversation_addmember">Add a member</string>
     <string name="activity_searchuser_title">Search user</string>
@@ -87,4 +90,6 @@
     <string name="err_conversation_need_members">Please add at least one member to the conversation !</string>
     <string name="err_conversation_create">Could not create conversation !</string>
     <string name="fragment_update_conversation_members_menu_delete">Remove</string>
+    <string name="err_get_conversation_info">Could not get information about the conversation !</string>
+    <string name="err_conversation_update">Could not update conversation !</string>
 </resources>