Friend can be delete and friendship request accepted

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

@@ -7,6 +7,7 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ArrayAdapter;
+import android.widget.Button;
 import android.widget.ImageView;
 import android.widget.TextView;
 
@@ -14,6 +15,7 @@ import org.communiquons.android.comunic.client.BuildConfig;
 import org.communiquons.android.comunic.client.R;
 import org.communiquons.android.comunic.client.data.ImageLoad.ImageLoadManager;
 import org.communiquons.android.comunic.client.data.Utilities;
+import org.communiquons.android.comunic.client.fragments.FriendsListFragment;
 
 import java.util.ArrayList;
 
@@ -26,20 +28,27 @@ import java.util.ArrayList;
 
 public class FriendsAdapter extends ArrayAdapter<FriendUser> {
 
+    /**
+     * The fragment creating the adapter
+     */
+    private FriendsListFragment mFLfragment;
 
     /**
      * Class constructor
      *
+     * @param friendsListFragment Friends list fragment object
      * @param context The context of execution of the application
      * @param friendsList The list of friends to display (with user information)
      */
-    public FriendsAdapter(Activity context, ArrayList<FriendUser> friendsList){
+    public FriendsAdapter(FriendsListFragment friendsListFragment,
+                          Activity context, ArrayList<FriendUser> friendsList){
         super(context, 0, friendsList);
+        mFLfragment = friendsListFragment;
     }
 
     @NonNull
     @Override
-    public View getView(int position, @Nullable View convertView, @NonNull ViewGroup parent) {
+    public View getView(final int position, @Nullable View convertView, @NonNull ViewGroup parent) {
         View listItemView = convertView;
 
         //Check if the view has to be created
@@ -71,7 +80,7 @@ public class FriendsAdapter extends ArrayAdapter<FriendUser> {
         );
 
         //Set the color
-        int status_color = 0;
+        int status_color;
         if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M) {
             status_color = getContext().getResources().getColor(signed_in ? R.color.holo_green_dark : R.color.darker_gray, null);
         }
@@ -80,6 +89,36 @@ public class FriendsAdapter extends ArrayAdapter<FriendUser> {
         }
         statusView.setTextColor(status_color);
 
+        //Action button
+        Button action = listItemView.findViewById(R.id.fragment_friendslist_item_action);
+
+        //Define the action of the accept request button
+        if(!friendUser.getFriend().isAccepted()){
+
+            //Update the button
+            action.setVisibility(View.VISIBLE);
+            action.setText(R.string.action_friends_accept_request);
+
+            //Make the button lives
+            action.setOnClickListener(new View.OnClickListener() {
+                @Override
+                public void onClick(View v) {
+
+                    //Hide the view
+                    v.setVisibility(View.GONE);
+
+                    mFLfragment.acceptRequest(position);
+                }
+            });
+
+        }
+        else {
+
+            //Remove button actions and hide it
+            action.setVisibility(View.GONE);
+            action.setOnClickListener(null);
+        }
+
         return listItemView;
     }
 

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

@@ -1,7 +1,10 @@
 package org.communiquons.android.comunic.client.data.friendsList;
 
 import android.content.Context;
+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.data.DatabaseHelper;
 
 /**
@@ -15,6 +18,9 @@ import org.communiquons.android.comunic.client.data.DatabaseHelper;
 
 public class FriendsList {
 
+    //Debug tag
+    private static final String TAG = "FriendsList";
+
     private FriendsListDbHelper fdbHelper;
     private Context mContext;
 
@@ -35,11 +41,44 @@ public class FriendsList {
      * @param friend The friend to delete
      */
     public void remove(Friend friend){
-
+        try {
             //Remove the friend online
-        //TODO : Remove the friend form online
+            APIRequestParameters delparams = new APIRequestParameters(mContext, "friends/remove");
+            delparams.addParameter("friendID", ""+friend.getId());
+            new APIRequest().exec(delparams);
 
             //Remove the friend from the local database
-        //TODO : Remove the friend from the local database
+            fdbHelper.delete_friend(friend);
+
+        } catch (Exception e){
+            Log.e(TAG, "Couldn't delete friend !");
+            e.printStackTrace();
+        }
+    }
+
+    /**
+     * Respond to a friendship request
+     *
+     * @param friend The friend to update
+     * @param accept The new status for the request
+     */
+    public void respondRequest(Friend friend, boolean accept){
+        try {
+
+            //Perform a request to update the satus online
+            APIRequestParameters reqParams = new APIRequestParameters(mContext,
+                    "friends/respondRequest");
+            reqParams.addParameter("friendID", ""+friend.getId());
+            reqParams.addParameter("accept", accept ? "true" : "false");
+            new APIRequest().exec(reqParams);
+
+            //Update the friend in the local database
+            friend.setAccepted(accept);
+            fdbHelper.update_friend(friend);
+
+        } catch(Exception e){
+            Log.e(TAG, "Couldn't respond to friendship request !");
+            e.printStackTrace();
+        }
     }
 }

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

@@ -143,11 +143,7 @@ public class FriendsListDbHelper {
         String nullColumnHack = null;
 
         //Set the values
-        ContentValues values = new ContentValues();
+        ContentValues values = createContentValue(friend);
-        values.put(FriendsListSchema.COLUMN_NAME_FRIEND_ID, friend.getId());
-        values.put(FriendsListSchema.COLUMN_NAME_FRIEND_ACCEPTED, friend.isAccepted() ? 1 : 0);
-        values.put(FriendsListSchema.COLUMN_NAME_FRIEND_FOLLOWING, friend.isFollowing() ? 1 : 0);
-        values.put(FriendsListSchema.COLUMN_NAME_FRIEND_LAST_ACTIVITY, friend.getLast_activity());
 
         //Perform the query
         return db.insert(table_name, nullColumnHack, values) > -1;
@@ -175,4 +171,70 @@ public class FriendsListDbHelper {
 
         return result;
     }
+
+    /**
+     * Remove a friend from the list
+     *
+     * @param friend The friend to delete
+     */
+    boolean delete_friend(Friend friend){
+
+        //Get access to the database
+        SQLiteDatabase db = dbHelper.getWritableDatabase();
+
+        //Prepare the request
+        String table_name = FriendsListSchema.TABLE_NAME;
+        String whereClause = FriendsListSchema.COLUMN_NAME_FRIEND_ID + " = ?";
+        String[] whereValues = {""+friend.getId()};
+
+        int result = db.delete(table_name, whereClause, whereValues);
+
+        //Close access to the database
+        db.close();
+
+        return result > 0;
+    }
+
+    /**
+     * Update a specified user in the database with specified information
+     *
+     * @param friend The friend to update on the databse
+     * @return The result of the operation
+     */
+    boolean update_friend(Friend friend){
+
+        //Get access to the database
+        SQLiteDatabase db = dbHelper.getWritableDatabase();
+
+        //Prepare the request
+        String table = FriendsListSchema.TABLE_NAME;
+        ContentValues values = createContentValue(friend);
+        String whereClause = FriendsListSchema.COLUMN_NAME_FRIEND_ID + " = ?";
+        String[] whereArgs = {""+friend.getId()};
+
+        //Perform it
+        int result = db.update(table, values, whereClause, whereArgs);
+
+        //Close access to the database
+        db.close();
+
+        return result > 0;
+    }
+
+    /**
+     * Create a full content value based on user informations in order to make operation on
+     * the database easier
+     *
+     * @param friend The friend which will be turned into a contentvalue
+     * @return The generated content value
+     */
+    private ContentValues createContentValue(Friend friend){
+        ContentValues values = new ContentValues();
+        values.put(FriendsListSchema.COLUMN_NAME_FRIEND_ID, friend.getId());
+        values.put(FriendsListSchema.COLUMN_NAME_FRIEND_ACCEPTED, friend.isAccepted() ? 1 : 0);
+        values.put(FriendsListSchema.COLUMN_NAME_FRIEND_FOLLOWING, friend.isFollowing() ? 1 : 0);
+        values.put(FriendsListSchema.COLUMN_NAME_FRIEND_LAST_ACTIVITY, friend.getLast_activity());
+
+        return values;
+    }
 }

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

@@ -4,9 +4,11 @@ import android.app.AlertDialog;
 import android.app.Fragment;
 import android.content.Context;
 import android.content.DialogInterface;
+import android.os.AsyncTask;
 import android.os.Bundle;
 import android.support.annotation.Nullable;
 import android.util.ArrayMap;
+import android.util.Log;
 import android.view.ContextMenu;
 import android.view.LayoutInflater;
 import android.view.MenuInflater;
@@ -39,6 +41,11 @@ import java.util.ArrayList;
 
 public class FriendsListFragment extends Fragment {
 
+    /**
+     * Debug tag
+     */
+    private String TAG = "FriendsListFragment";
+
     /**
      * The root view of the fragment
      */
@@ -64,6 +71,11 @@ public class FriendsListFragment extends Fragment {
      */
     FriendsList flist;
 
+    /**
+     * Friend adapter
+     */
+    private FriendsAdapter fAdapter;
+
     @Nullable
     @Override
     public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container,
@@ -156,9 +168,9 @@ public class FriendsListFragment extends Fragment {
         this.friendsList = friendsList;
 
         //Set the adapter
-        FriendsAdapter friendsAdapter = new FriendsAdapter(getActivity(), friendsList);
+        fAdapter = new FriendsAdapter(this, getActivity(), friendsList);
         ListView listView = rootView.findViewById(R.id.fragment_friendslist_listview);
-        listView.setAdapter(friendsAdapter);
+        listView.setAdapter(fAdapter);
 
         //Register the view for the context menu
         registerForContextMenu(listView);
@@ -207,11 +219,24 @@ public class FriendsListFragment extends Fragment {
             @Override
             public void onClick(DialogInterface dialog, int which) {
 
-                //Delete the friend from the list
+                //Get the friend to delete
-                flist.remove(friendsList.get(pos).getFriend());
+                final Friend toDelete = friendsList.get(pos).getFriend();
 
-                //Refresh the current friend list
+                //Apply new list version
-                refresh_friend_list();
+                friendsList.remove(pos);
+                fAdapter.notifyDataSetChanged();
+
+                //Remove the friend list on a parallel thread
+                new AsyncTask<Integer, Void, Void>(){
+                    @Override
+                    protected Void doInBackground(Integer[] params) {
+
+                        //Delete the friend from the list
+                        flist.remove(toDelete);
+
+                        return null;
+                    }
+                }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, pos);
             }
         });
         builder.setNegativeButton(R.string.popup_deletefriend_button_cancel, null);
@@ -220,6 +245,29 @@ public class FriendsListFragment extends Fragment {
 
     }
 
+    /**
+     * Accept friendship request
+     *
+     * @param pos The position of the friend accepting the request
+     */
+    public void acceptRequest(int pos){
+
+        //Get the Friend object
+        Friend targetFriend = friendsList.get(pos).getFriend();
+
+        //Mark the friend as accepted
+        targetFriend.setAccepted(true);
+
+        //Accept the request on a separate thread
+        new AsyncTask<Friend, Void, Void>(){
+            @Override
+            protected Void doInBackground(Friend... params) {
+                flist.respondRequest(params[0], true);
+                return null;
+            }
+        }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, targetFriend);
+    }
+
     /**
      * Hide (or display) progress bar
      *

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

@@ -1,45 +1,52 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
-    android:orientation="horizontal"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:paddingStart="8dp"
+    android:orientation="horizontal"
-    android:paddingEnd="8dp">
+    android:paddingEnd="8dp"
+    android:paddingStart="8dp">
 
     <ImageView
         android:id="@+id/fragment_friendslist_item_accountimage"
         android:layout_width="@dimen/account_image_default_width"
         android:layout_height="@dimen/account_image_default_height"
-        android:src="@drawable/default_account_image"
+        android:layout_gravity="center"
-        android:contentDescription="User account image"
+        android:contentDescription="@string/user_image_description"
-        android:layout_gravity="center"/>
+        android:src="@drawable/default_account_image" />
 
     <LinearLayout
-        android:layout_width="wrap_content"
+        android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:orientation="vertical"
-        android:paddingStart="8dp"
-        android:paddingEnd="4dp"
         android:layout_gravity="center"
-        >
+        android:layout_weight="1"
+        android:orientation="vertical"
+        android:paddingEnd="4dp"
+        android:paddingStart="8dp">
 
         <TextView
             android:id="@+id/fragment_friendslist_item_fullname"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            tools:text="Full user name"
+            android:textSize="16sp"
-            android:textSize="16sp"/>
+            tools:text="Full user name" />
 
         <TextView
             android:id="@+id/fragment_friendslist_item_status"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:text="@string/user_status_offline"
-            tools:text="Online"
+            android:textColor="@android:color/holo_green_dark"
-            android:textColor="@android:color/holo_green_dark"/>
+            tools:text="Online" />
 
     </LinearLayout>
 
+    <!-- Action button on user -->
+    <Button
+        android:id="@+id/fragment_friendslist_item_action"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        tools:text="Action" />
 
 </LinearLayout>

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

@@ -25,4 +25,6 @@
     <string name="popup_deletefriend_message">Are you sure do you want to remove this friend from your friend list ? You will have to make a new friendship request to get this friend back !</string>
     <string name="popup_deletefriend_button_confirm">Delete</string>
     <string name="popup_deletefriend_button_cancel">Cancel</string>
+    <string name="action_friends_accept_request">Accept</string>
+    <string name="user_image_description">User Image Account</string>
 </resources>