Notification system ready.

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

@@ -40,7 +40,7 @@ public class PostsList extends ArrayList<Post> {
                 //Process the list of comments
                 for(Comment comment : post.getComments_list()){
 
-                    if(ids.contains(comment.getUserID()))
+                    if(!ids.contains(comment.getUserID()))
                         ids.add(comment.getUserID());
 
                 }

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

@@ -23,8 +23,10 @@ import org.communiquons.android.comunic.client.data.helpers.DatabaseHelper;
 import org.communiquons.android.comunic.client.data.helpers.ConversationsListHelper;
 import org.communiquons.android.comunic.client.data.runnables.FriendRefreshLoopRunnable;
 import org.communiquons.android.comunic.client.data.services.NotificationsService;
+import org.communiquons.android.comunic.client.ui.fragments.SinglePostFragment;
 import org.communiquons.android.comunic.client.ui.fragments.UserAccessDeniedFragment;
 import org.communiquons.android.comunic.client.ui.listeners.onOpenUsersPageListener;
+import org.communiquons.android.comunic.client.ui.listeners.onPostOpenListener;
 import org.communiquons.android.comunic.client.ui.listeners.openConversationListener;
 import org.communiquons.android.comunic.client.ui.listeners.updateConversationListener;
 import org.communiquons.android.comunic.client.ui.utils.UiUtils;
@@ -44,7 +46,7 @@ import org.communiquons.android.comunic.client.ui.fragments.UserPageFragment;
  * @author Pierre HUBERT
  */
 public class MainActivity extends AppCompatActivity implements openConversationListener,
-        updateConversationListener, onOpenUsersPageListener {
+        updateConversationListener, onOpenUsersPageListener, onPostOpenListener {
 
     /**
      * Debug tag
@@ -458,4 +460,22 @@ public class MainActivity extends AppCompatActivity implements openConversationL
         transaction.addToBackStack(null);
         transaction.commit();
     }
+
+    @Override
+    public void onOpenPost(int postID) {
+
+        //Prepare the arguments
+        Bundle arguments = new Bundle();
+        arguments.putInt(SinglePostFragment.ARGUMENT_POST_ID, postID);
+
+        //Create the fragment
+        SinglePostFragment singlePostFragment = new SinglePostFragment();
+        singlePostFragment.setArguments(arguments);
+
+        //Perform the transaction
+        FragmentTransaction transaction = getFragmentManager().beginTransaction();
+        transaction.addToBackStack(null);
+        transaction.replace(R.id.main_fragment, singlePostFragment);
+        transaction.commit();
+    }
 }

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

@@ -27,6 +27,7 @@ import org.communiquons.android.comunic.client.data.models.Notif;
 import org.communiquons.android.comunic.client.ui.activities.MainActivity;
 import org.communiquons.android.comunic.client.ui.adapters.NotificationsAdapter;
 import org.communiquons.android.comunic.client.ui.listeners.onOpenUsersPageListener;
+import org.communiquons.android.comunic.client.ui.listeners.onPostOpenListener;
 
 /**
  * Notifications fragment
@@ -78,6 +79,11 @@ public class NotificationsFragment extends Fragment implements View.OnCreateCont
      */
     private onOpenUsersPageListener mUserPageOpener;
 
+    /**
+     * Post open listener
+     */
+    private onPostOpenListener mOpenPostListener;
+
     @Override
     public void onAttach(Context context) {
         super.onAttach(context);
@@ -129,6 +135,9 @@ public class NotificationsFragment extends Fragment implements View.OnCreateCont
         //Get user page opener
         mUserPageOpener = (onOpenUsersPageListener) getActivity();
 
+        //Get post opener
+        mOpenPostListener = (onPostOpenListener) getActivity();
+
         //Check if it is required to fetch the list of notifications
         if(mNotificationsList == null){
 
@@ -331,12 +340,12 @@ public class NotificationsFragment extends Fragment implements View.OnCreateCont
     @Override
     public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
 
-        //Delete the notification
-        //deleteNotification(position);
-
         //Perform notification action
         Notif notif = mNotificationsList.get(position);
 
+        //Delete the notification
+        deleteNotification(position);
+
         //For friendship request
         if(notif.getOn_elem_type() == NotifElemType.FRIEND_REQUEST){
 
@@ -345,5 +354,12 @@ public class NotificationsFragment extends Fragment implements View.OnCreateCont
 
         }
 
+        //If the notification is targeting a post
+        if(notif.getOn_elem_type() == NotifElemType.POST){
+
+            //Open the post
+            mOpenPostListener.onOpenPost(notif.getOn_elem_id());
+
+        }
     }
 }

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

@@ -0,0 +1,169 @@
+package org.communiquons.android.comunic.client.ui.fragments;
+
+import android.app.Fragment;
+import android.app.FragmentTransaction;
+import android.content.Context;
+import android.os.AsyncTask;
+import android.os.Bundle;
+import android.support.annotation.Nullable;
+import android.util.ArrayMap;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Toast;
+
+import org.communiquons.android.comunic.client.R;
+import org.communiquons.android.comunic.client.data.arrays.PostsList;
+import org.communiquons.android.comunic.client.data.helpers.GetUsersHelper;
+import org.communiquons.android.comunic.client.data.helpers.PostsHelper;
+import org.communiquons.android.comunic.client.data.models.Post;
+import org.communiquons.android.comunic.client.data.models.UserInfo;
+
+/**
+ * Single post fragment
+ *
+ * This fragment allows to display a single post
+ *
+ * @author Pierre HUBERT
+ * Created by pierre on 4/12/18.
+ */
+
+public class SinglePostFragment extends Fragment {
+
+    /**
+     * The name of the argument that contains the ID of the post to open
+     */
+    public static final String ARGUMENT_POST_ID = "post_id";
+
+    /**
+     * The ID of the post
+     */
+    private int mPostID = 0;
+
+    /**
+     * Information about the post
+     */
+    private Post mPost;
+
+    /**
+     * Post list that contains only a single post
+     */
+    private PostsList mPostsList;
+
+    /**
+     * Information about the related users
+     */
+    private ArrayMap<Integer, UserInfo> mUserInfo;
+
+    /**
+     * Post helper
+     */
+    private PostsHelper mPostsHelper;
+
+    /**
+     * Get user information helper
+     */
+    private GetUsersHelper mGetUserHelper;
+
+    @Override
+    public void onAttach(Context context) {
+        super.onAttach(context);
+
+        //Create post helper
+        mPostsHelper = new PostsHelper(context);
+
+        //Create get user helper
+        mGetUserHelper = new GetUsersHelper(context);
+    }
+
+    @Override
+    public void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        //Get post ID
+        mPostID = getArguments().getInt(ARGUMENT_POST_ID);
+    }
+
+    @Nullable
+    @Override
+    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, Bundle savedInstanceState) {
+        return inflater.inflate(R.layout.fragment_single_post, container, false);
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+
+        //Check if the fragment contains information about the post
+        if(mPost == null || mUserInfo == null){
+            getPostInfo();
+        }
+        else
+            onGotPostInfo();
+    }
+
+    /**
+     * Get information about the post and its related users
+     */
+    private void getPostInfo(){
+
+        //Perform the request in the background
+        new AsyncTask<Integer, Void, Void>(){
+
+            @Override
+            protected Void doInBackground(Integer... params) {
+
+                //Intend to get information about the post
+                mPost = mPostsHelper.getSingle(params[0]);
+
+                if(mPost != null) {
+                    mPostsList = new PostsList();
+                    mPostsList.add(mPost);
+                    mUserInfo = mGetUserHelper.getMultiple(mPostsList.getUsersId());
+                }
+
+                return null;
+            }
+
+            @Override
+            protected void onPostExecute(Void aVoid) {
+
+                if(getActivity() == null)
+                    return;
+
+                onGotPostInfo();
+            }
+        }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, mPostID);
+
+    }
+
+    /**
+     * This method is triggered once we got informations about the post
+     */
+    private void onGotPostInfo(){
+
+        //Check if we did not get post information
+        if(mPost == null){
+            Toast.makeText(getActivity(), R.string.err_get_post_info, Toast.LENGTH_SHORT).show();
+            return;
+        }
+
+        //Check if we could not get user information
+        if(mUserInfo == null){
+            Toast.makeText(getActivity(), R.string.err_get_users_info, Toast.LENGTH_SHORT).show();
+            return;
+        }
+
+        //Apply the post fragment
+        PostsListFragment postsListFragment = new PostsListFragment();
+        postsListFragment.setPostsList(mPostsList);
+        postsListFragment.setUsersInfos(mUserInfo);
+
+        //Create and commit a transaction
+        FragmentTransaction transaction = getChildFragmentManager().beginTransaction();
+        transaction.replace(R.id.posts_list_target, postsListFragment);
+        transaction.commit();
+
+
+    }
+}

app/src/main/java/org/communiquons/android/comunic/client/ui/listeners/onPostOpenListener.java

@@ -0,0 +1,19 @@
+package org.communiquons.android.comunic.client.ui.listeners;
+
+/**
+ * This interface must be implemented by all the activities that can open post
+ *
+ * @author Pierre HUBERT
+ * Created by pierre on 4/12/18.
+ */
+
+public interface onPostOpenListener {
+
+    /**
+     * This method is triggered when a request to open a single post is made
+     *
+     * @param postID The ID of the post to open
+     */
+    void onOpenPost(int postID);
+
+}

app/src/main/res/layout/fragment_single_post.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical" android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <FrameLayout
+        android:id="@+id/posts_list_target"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+</LinearLayout>

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

@@ -172,4 +172,5 @@
     <string name="button_accept_friend_request">Accept request</string>
     <string name="button_reject_friend_request">Reject request</string>
     <string name="err_get_friendship_status">An error occurred while retrieving friendship status!</string>
+    <string name="err_get_post_info">An error occurred while trying to get post information!</string>
 </resources>