Can create post with images

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

@@ -3,6 +3,8 @@ package org.communiquons.android.comunic.client.data.helpers;
 import android.content.Context;
 import android.support.annotation.Nullable;
 
+import org.communiquons.android.comunic.client.data.models.APIFileRequest;
+import org.communiquons.android.comunic.client.data.models.APIPostFile;
 import org.communiquons.android.comunic.client.data.models.APIRequest;
 import org.communiquons.android.comunic.client.data.models.APIResponse;
 import org.communiquons.android.comunic.client.data.models.CreatePost;
@@ -146,15 +148,26 @@ public class PostsHelper {
     public int create(CreatePost post){
 
         //Prepare the request on the server
-        APIRequest params = new APIRequest(mContext, "posts/create");
+        APIFileRequest req = new APIFileRequest(mContext, "posts/create");
 
         //Put basic information about the post
-        params.addString("content", post.getContent());
+        req.addString("content", post.getContent());
 
         //Determine the kind of post
         switch (post.getType()){
             case TEXT:
-                params.addString("kind", "text");
+                req.addString("kind", "text");
+                break;
+
+            case IMAGE:
+                req.addString("kind", "image");
+
+                //Process image and add it to the request
+                APIPostFile file = new APIPostFile();
+                file.setFileName("image.png");
+                file.setBitmap(post.getNewImage());
+                file.setFieldName("image");
+                req.addFile(file);
                 break;
 
             default:
@@ -166,15 +179,15 @@ public class PostsHelper {
         switch (post.getVisibilityLevel()){
 
             case PUBLIC:
-                params.addString("visibility", "public");
+                req.addString("visibility", "public");
                 break;
 
             case FRIENDS:
-                params.addString("visibility", "friends");
+                req.addString("visibility", "friends");
                 break;
 
             case PRIVATE:
-                params.addString("visibility", "private");
+                req.addString("visibility", "private");
                 break;
 
             default:
@@ -185,7 +198,7 @@ public class PostsHelper {
         switch (post.getPage_type()){
 
             case USER_PAGE:
-                params.addString("kind-page", "user");
+                req.addString("kind-page", "user");
                 break;
 
             default:
@@ -193,13 +206,17 @@ public class PostsHelper {
         }
 
         //Set the ID of the target page
-        params.addInt("kind-id", post.getPage_id());
+        req.addInt("kind-id", post.getPage_id());
 
         //Perform the request on the server
         try {
 
-            //Perform the request
-            APIResponse response = new APIRequestHelper().exec(params);
+            //Perform the request (upload a file if required)
+            APIResponse response;
+            if(req.containsFiles())
+                response = new APIRequestHelper().execPostFile(req);
+            else
+                response = new APIRequestHelper().exec(req);
 
             //Check for errors
             if(response.getResponse_code() != 200)

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

@@ -48,4 +48,13 @@ public class APIFileRequest extends APIRequest {
     public ArrayList<APIPostFile> getFiles() {
         return files;
     }
+
+    /**
+     * Check whether a request includes a file or not
+     *
+     * @return TRUE if at least one file is present in the request / FALSE elses
+     */
+    public boolean containsFiles(){
+        return files.size() > 0;
+    }
 }

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

@@ -1,5 +1,7 @@
 package org.communiquons.android.comunic.client.data.models;
 
+import android.graphics.Bitmap;
+
 /**
  * This object extends the Post object in order to include all the required informations to
  * create a new post
@@ -10,6 +12,20 @@ package org.communiquons.android.comunic.client.data.models;
 
 public class CreatePost extends Post {
 
+    //Private fields
+    private Bitmap newImage;
 
 
+    //Get and set new image
+    public void setNewImage(Bitmap newImage) {
+        this.newImage = newImage;
+    }
+
+    public Bitmap getNewImage() {
+        return newImage;
+    }
+
+    public boolean hasNewImage(){
+        return newImage != null;
+    }
 }

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

@@ -1,6 +1,10 @@
 package org.communiquons.android.comunic.client.ui.fragments;
 
+import android.app.AlertDialog;
 import android.app.Fragment;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.graphics.Bitmap;
 import android.os.AsyncTask;
 import android.os.Bundle;
 import android.support.annotation.Nullable;
@@ -9,15 +13,22 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Button;
 import android.widget.EditText;
+import android.widget.ImageButton;
 import android.widget.Toast;
 
 import org.communiquons.android.comunic.client.R;
-import org.communiquons.android.comunic.client.data.models.CreatePost;
 import org.communiquons.android.comunic.client.data.enums.PageType;
-import org.communiquons.android.comunic.client.data.models.Post;
 import org.communiquons.android.comunic.client.data.enums.PostTypes;
 import org.communiquons.android.comunic.client.data.enums.PostVisibilityLevels;
 import org.communiquons.android.comunic.client.data.helpers.PostsHelper;
+import org.communiquons.android.comunic.client.data.models.CreatePost;
+import org.communiquons.android.comunic.client.data.models.Post;
+import org.communiquons.android.comunic.client.ui.utils.BitmapUtils;
+import org.communiquons.android.comunic.client.ui.utils.UiUtils;
+
+import java.io.FileNotFoundException;
+
+import static android.app.Activity.RESULT_OK;
 
 /**
  * Posts creation form
@@ -38,6 +49,11 @@ public class PostsCreateFormFragment extends Fragment {
      */
     public static final String PAGE_TYPE_ARG = "PAGE_TYPE";
 
+    /**
+     * Intent : request to pick a picture
+     */
+    public static final int PICK_PHOTO = 2;
+
     /**
      * Page type : user page
      */
@@ -53,6 +69,11 @@ public class PostsCreateFormFragment extends Fragment {
      */
     private PostsHelper mPostHelper;
 
+    /**
+     * Select image button
+     */
+    private ImageButton mPickImageButton;
+
     /**
      * Submit form button
      */
@@ -63,6 +84,11 @@ public class PostsCreateFormFragment extends Fragment {
      */
     private EditText mPostContent;
 
+    /**
+     * User picked bitmap to include with the post
+     */
+    private Bitmap mNewPicture;
+
     @Override
     public void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -85,6 +111,21 @@ public class PostsCreateFormFragment extends Fragment {
         //Get post text area
         mPostContent = view.findViewById(R.id.new_post_content);
 
+        //Get choose image button and makes it lives
+        mPickImageButton = view.findViewById(R.id.select_image_button);
+        mPickImageButton.setOnClickListener(new View.OnClickListener() {
+            public void onClick(View v) {
+                choosePicture();
+            }
+        });
+        mPickImageButton.setOnLongClickListener(new View.OnLongClickListener() {
+            @Override
+            public boolean onLongClick(View v) {
+                cancelPictureSelectionDialog();
+                return true;
+            }
+        });
+
         //Get send button and makes it lives
         mSendButton = view.findViewById(R.id.submit_create_post_form);
         mSendButton.setOnClickListener(new View.OnClickListener() {
@@ -95,6 +136,100 @@ public class PostsCreateFormFragment extends Fragment {
         });
     }
 
+    @Override
+    public void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+
+        switch (requestCode){
+
+            case PICK_PHOTO:
+                pick_picture_callback(resultCode, data);
+                break;
+
+        }
+    }
+
+    /**
+     * Offer the user to choose a picture to add to his post
+     */
+    private void choosePicture() {
+
+        //Make an intent
+        Intent photoPickerIntent = new Intent(Intent.ACTION_PICK);
+        photoPickerIntent.setType("image/*");
+        startActivityForResult(photoPickerIntent, PICK_PHOTO);
+
+    }
+
+    /**
+     * Callback called when a picture has been selected
+     *
+     * @param resultCode The result of the operation
+     * @param data Data to process
+     */
+    private void pick_picture_callback(int resultCode, Intent data){
+
+        if(resultCode == RESULT_OK){
+
+            try {
+
+                //Get bitmap
+                Bitmap bitmap = BitmapUtils.IntentResultToBitmap(getActivity(), data);
+
+                //Check for errors
+                if(bitmap == null)
+                    return;
+
+                //Apply bitmap
+                mPickImageButton.setImageBitmap(bitmap);
+                mNewPicture = bitmap;
+
+            } catch (FileNotFoundException e) {
+                e.printStackTrace();
+                cancelPictureSelectionDialog();
+            }
+
+        }
+
+    }
+
+    /**
+     * Offer the user to cancel his choice of picture
+     */
+    private void cancelPictureSelectionDialog(){
+        new AlertDialog.Builder(getActivity())
+                .setTitle(R.string.conversation_message_remove_image_popup_title)
+                .setMessage(R.string.conversation_message_remove_image_popup_message)
+                .setNegativeButton(R.string.conversation_message_remove_image_popup_cancel, null)
+
+                .setPositiveButton(R.string.conversation_message_remove_image_popup_confirm,
+                        new DialogInterface.OnClickListener() {
+                            @Override
+                            public void onClick(DialogInterface dialog, int which) {
+                                removeChosenPicture();
+                            }
+                        })
+
+                .show();
+    }
+
+    /**
+     * Remove the picture chosen by the user
+     */
+    private void removeChosenPicture(){
+
+        //Free memory
+        if(mNewPicture != null)
+            mNewPicture.recycle();
+        mNewPicture = null;
+
+        //Reset image button
+        mPickImageButton.setImageBitmap(null);
+        mPickImageButton.setImageDrawable(UiUtils.getDrawable(getActivity(),
+                android.R.drawable.ic_menu_gallery));
+
+    }
+
     /**
      * Set the on post created class to trigger when an event occur
      *
@@ -109,12 +244,6 @@ public class PostsCreateFormFragment extends Fragment {
      */
     private void submit_form(){
 
-        //Check if the content of the post is empty / too short
-        if(mPostContent.getText().length() < 5){
-            Toast.makeText(getActivity(), R.string.err_post_content_too_short,
-                    Toast.LENGTH_SHORT).show();
-            return;
-        }
 
         //Create a post object and fill it with the required information
         CreatePost post = new CreatePost();
@@ -129,10 +258,31 @@ public class PostsCreateFormFragment extends Fragment {
         //Set post content
         post.setContent(""+mPostContent.getText());
 
-        //Default value, will be updated in a new version
+        //Default values
         post.setType(PostTypes.TEXT);
         post.setVisibilityLevel(PostVisibilityLevels.FRIENDS);
 
+        //Check if the post contains an image
+        if(mNewPicture != null){
+            post.setType(PostTypes.IMAGE);
+            post.setNewImage(mNewPicture);
+        }
+
+
+        //Other post types will be added in new versions
+
+        //Perform post checks
+        //If the post is a text
+        if(post.getType() == PostTypes.TEXT){
+
+            //Check if the content of the post is empty / too short
+            if(mPostContent.getText().length() < 5){
+                Toast.makeText(getActivity(), R.string.err_post_content_too_short,
+                        Toast.LENGTH_SHORT).show();
+                return;
+            }
+        }
+
         //Try to create post
         mSendButton.setEnabled(false);
         new AsyncTask<CreatePost, Void, Post>(){

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

@@ -13,11 +13,34 @@
         android:lines="3"
         android:textAppearance="@android:style/TextAppearance.DeviceDefault.Small" />
 
-    <!-- Submit post -->
-    <Button
-        android:id="@+id/submit_create_post_form"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="@string/post_action_send"
-        android:layout_gravity="end" />
-</LinearLayout>
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <!-- Add an image -->
+        <ImageButton
+            android:id="@+id/select_image_button"
+            android:layout_marginStart="10dp"
+            android:layout_width="50dp"
+            android:layout_height="50dp"
+            android:src="@android:drawable/ic_menu_gallery"
+            android:layout_gravity="center_vertical"
+            android:scaleType="fitCenter"
+            android:contentDescription="@string/image_description_pick_image"/>
+
+        <View
+            android:layout_width="0dp"
+            android:layout_height="2dp"
+            android:layout_weight="2"/>
+
+        <!-- Submit post -->
+        <Button
+            android:id="@+id/submit_create_post_form"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/post_action_send"
+            android:layout_gravity="end" />
+
+    </LinearLayout>
+
+</LinearLayout>

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

@@ -184,4 +184,5 @@
     <string name="menu_clear_local_db">Clear local database</string>
     <string name="success_clear_local_db">The local database has been successfully cleared! You may need to restart the application to make the changes being fully applied.</string>
     <string name="err_clear_local_db">An error occurred while trying to clear local database!</string>
+    <string name="image_description_pick_image">Pick an image</string>
 </resources>