User can delete posts.

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

@@ -25,6 +25,7 @@ public class Post {
     private PostTypes type;
     private PostVisibilityLevels visibilityLevel;
     private ArrayList<Comment> comments_list;
+    private PostUserAccess user_access_level = PostUserAccess.NO_ACCESS;
 
     //Files specific
     private String file_path_url;
@@ -98,6 +99,15 @@ public class Post {
         return comments_list;
     }
 
+    //Set and post user access level
+    void setUser_access_level(PostUserAccess user_access_level) {
+        this.user_access_level = user_access_level;
+    }
+
+    public PostUserAccess getUser_access_level() {
+        return user_access_level;
+    }
+
     //Set and get file path url
     void setFile_path_url(String file_path_url) {
         this.file_path_url = file_path_url;

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

@@ -0,0 +1,34 @@
+package org.communiquons.android.comunic.client.data.posts;
+
+/**
+ * Post users access enum
+ *
+ * @author Pierre HUBERT
+ * Created by pierre on 3/25/18.
+ */
+
+public enum PostUserAccess {
+
+    /**
+     * No access to the post
+     */
+    NO_ACCESS,
+
+    /**
+     * Basic access to the post
+     * > Can see the post, put comments within it, like it...
+     */
+    BASIC_ACCESS,
+
+    /**
+     * Intermediate access to the post
+     * > Can delete the post
+     */
+    INTERMEDIATE_ACCESS,
+
+    /**
+     * Full access to the post
+     */
+    FULL_ACCESS
+
+}

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

@@ -72,9 +72,34 @@ public class PostsHelper {
     }
 
     /**
-     * Parse a JSON post informations into POST object
+     * Intend to delete a post specified by its ID
      *
-     * @param json Source JSON post informations
+     * @param postID The ID of the post to delete
+     * @return TRUE in case of SUCCESS / FALSE else
+     */
+    public boolean delete(int postID){
+
+        //Perform the request on the server
+        APIRequestParameters params = new APIRequestParameters(mContext, "posts/delete");
+        params.addInt("postID", postID);
+
+        //Intend to perform the request
+        try {
+
+            APIResponse response = new APIRequest().exec(params);
+
+            return response.getResponse_code() == 200;
+
+        } catch (Exception e){
+            e.printStackTrace();
+            return false;
+        }
+    }
+
+    /**
+     * Parse a JSON post information into POST object
+     *
+     * @param json Source JSON post information
      * @return The created post element
      */
     private Post parse_json_post(JSONObject json) throws JSONException {
@@ -126,6 +151,25 @@ public class PostsHelper {
 
         }
 
+        //Determine the user access level to the post
+        switch (json.getString("user_access")){
+
+            case "basic":
+                post.setUser_access_level(PostUserAccess.BASIC_ACCESS);
+                break;
+
+            case "intermediate":
+                post.setUser_access_level(PostUserAccess.INTERMEDIATE_ACCESS);
+                break;
+
+            case "full":
+                post.setUser_access_level(PostUserAccess.FULL_ACCESS);
+                break;
+
+            default:
+                post.setUser_access_level(PostUserAccess.NO_ACCESS);
+        }
+
         //Get file path url (if any)
         if(json.getString("file_path_url") != null){
             post.setFile_path_url(json.getString("file_path_url"));

app/src/main/java/org/communiquons/android/comunic/client/ui/adapters/PostsAdapter.java

@@ -262,7 +262,7 @@ public class PostsAdapter extends ArrayAdapter<Post>{
          *
          * @param pos The position of the post in the list
          * @param button The button triggered to submit comment creation
-         * @param post Informations about the target post
+         * @param post Information about the target post
          * @param input The input where the comment comment was typed
          */
         void onCreateComment(int pos, View button, Post post, EditCommentContentView input);
@@ -276,10 +276,17 @@ public class PostsAdapter extends ArrayAdapter<Post>{
          */
         void showPostActions(View button, int pos, Post post);
 
+        /**
+         * Handles the deletion process of a post
+         *
+         * @param pos The position of the post to delete
+         */
+        void deletePost(int pos);
+
         /**
          * Show the available actions for a comment
          *
-         * @param button The button that provoqued the event
+         * @param button The button that provoked the event
          * @param comment Target comment for the actions
          */
         void showCommentActions(View button, Comment comment);

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

@@ -25,6 +25,8 @@ import org.communiquons.android.comunic.client.data.UsersInfo.UserInfo;
 import org.communiquons.android.comunic.client.data.comments.Comment;
 import org.communiquons.android.comunic.client.data.comments.CommentsHelper;
 import org.communiquons.android.comunic.client.data.posts.Post;
+import org.communiquons.android.comunic.client.data.posts.PostUserAccess;
+import org.communiquons.android.comunic.client.data.posts.PostsHelper;
 import org.communiquons.android.comunic.client.data.posts.PostsList;
 import org.communiquons.android.comunic.client.data.utils.StringsUtils;
 import org.communiquons.android.comunic.client.ui.adapters.PostsAdapter;
@@ -94,6 +96,11 @@ public class PostsListFragment extends Fragment
      */
     ListView mListView;
 
+    /**
+     * Posts helper
+     */
+    PostsHelper mPostsHelper;
+
     /**
      * Comments helper
      */
@@ -144,6 +151,9 @@ public class PostsListFragment extends Fragment
      */
     public void show(){
 
+        //Create post helper
+        mPostsHelper = new PostsHelper(getActivity());
+
         //Create comment helper
         mCommentsHelper = new CommentsHelper(getActivity());
 
@@ -252,7 +262,7 @@ public class PostsListFragment extends Fragment
     }
 
     @Override
-    public void showPostActions(View button, final int pos, Post post) {
+    public void showPostActions(View button, final int pos, final Post post) {
 
         button.setOnCreateContextMenuListener(new View.OnCreateContextMenuListener() {
             @Override
@@ -267,6 +277,14 @@ public class PostsListFragment extends Fragment
                 MENU_ACTION = MENU_ACTIONS_POST;
                 mNumCurrPostInContextMenu = pos;
 
+                //Disable some options if the user is not the post owner
+                if(post.getUser_access_level() != PostUserAccess.INTERMEDIATE_ACCESS &&
+                        post.getUser_access_level() != PostUserAccess.FULL_ACCESS){
+
+                    //Disable delete action
+                    menu.findItem(R.id.action_delete).setEnabled(false);
+
+                }
             }
         });
 
@@ -274,6 +292,58 @@ public class PostsListFragment extends Fragment
         button.showContextMenu();
     }
 
+    @Override
+    public void deletePost(final int pos) {
+
+        //Get information about the related post
+        final Post post = mPostsList.get(pos);
+
+        //Ask user confirmation
+        new AlertDialog.Builder(getActivity())
+                .setTitle(R.string.popup_deletepost_title)
+                .setMessage(R.string.popup_deletepost_message)
+                .setNegativeButton(R.string.popup_deletepost_cancel, null)
+
+
+                .setPositiveButton(R.string.popup_deletepost_confirm,
+                        new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+
+                        //Remove the post from the list
+                        mPostsList.remove(pos);
+                        mPostsAdapter.notifyDataSetChanged();
+
+                        //Perform post deletion
+                        new AsyncTask<Integer, Void, Boolean>(){
+
+                            @Override
+                            protected Boolean doInBackground(Integer... params) {
+                                return mPostsHelper.delete(params[0]);
+                            }
+
+                            @Override
+                            protected void onPostExecute(Boolean result) {
+
+                                if(getActivity() == null)
+                                    return;
+
+                                if(!result){
+                                    Toast.makeText(getActivity(), R.string.err_delete_post,
+                                            Toast.LENGTH_SHORT).show();
+                                }
+
+                            }
+                        }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, post.getId());
+
+                    }
+                })
+
+
+                .show();
+
+    }
+
     @Override
     public void showCommentActions(View button, final Comment comment) {
 
@@ -352,6 +422,20 @@ public class PostsListFragment extends Fragment
         if(MENU_ACTION == MENU_ACTION_NONE)
             return false;
 
+        //Check if the action is related to a post
+        if(MENU_ACTION == MENU_ACTIONS_POST){
+
+            //Check whether the related post exists or not
+            if(!(mPostsList.size() > mNumCurrPostInContextMenu))
+                return false;
+
+            //Check if the request is to delete the comment
+            if(item.getItemId() == R.id.action_delete) {
+                deletePost(mNumCurrPostInContextMenu);
+                return true;
+            }
+        }
+
         //Check if a comment action context menu has been created
         if(MENU_ACTION == MENU_ACTION_COMMENTS){
 

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

@@ -114,4 +114,9 @@
     <string name="comment_action_btn_description">Actions on comment</string>
     <string name="post_action_btn_description">Actions on post</string>
     <string name="action_delete_post">Delete</string>
+    <string name="popup_deletepost_title">Delete post</string>
+    <string name="popup_deletepost_message">Are you sure do you want to delete this post! Will will not be able to undo this operation !</string>
+    <string name="popup_deletepost_cancel">No</string>
+    <string name="popup_deletepost_confirm">Yes</string>
+    <string name="err_delete_post">An error occurred while trying to delete post! Please try again later…</string>
 </resources>