app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/MainActivity.java

@@ -3,7 +3,6 @@ package nl.myhyvesbookplus.tagram;
 import android.app.FragmentManager;
 import android.app.FragmentTransaction;
 import android.content.Intent;
-import android.graphics.Bitmap;
 import android.net.Uri;
 import android.os.Bundle;
 import android.support.annotation.NonNull;
@@ -15,10 +14,10 @@ import android.view.View;
 
 import com.google.firebase.auth.FirebaseAuth;
 
-import nl.myhyvesbookplus.tagram.controller.UploadClass;
-import nl.myhyvesbookplus.tagram.model.BitmapPost;
+import nl.myhyvesbookplus.tagram.controller.DownloadClass;
+import nl.myhyvesbookplus.tagram.controller.ProfilePictureUploader;
 
-public class MainActivity extends AppCompatActivity implements CameraFragment.OnFragmentInteractionListener, ProfileFragment.OnFragmentInteractionListener, TimelineFragment.OnFragmentInteractionListener, UploadClass.ProfilePictureUpdatedListener {
+public class MainActivity extends AppCompatActivity implements CameraFragment.OnFragmentInteractionListener, ProfileFragment.OnFragmentInteractionListener, TimelineFragment.OnFragmentInteractionListener, ProfilePictureUploader.ProfilePictureUpdatedListener {
     final static private String TAG = "MainScreen";
 
     FirebaseAuth mAuth;
@@ -102,10 +101,8 @@ public class MainActivity extends AppCompatActivity implements CameraFragment.On
     }
 
     public void testCreatePost(View view) {
-        UploadClass uploadClass = new UploadClass(this);
-        Bitmap bitmap = Bitmap.createBitmap(100, 100, Bitmap.Config.ALPHA_8);
-        BitmapPost bitmapPost = new BitmapPost(bitmap, "Dit is een Test!");
-        uploadClass.uploadPicture(bitmapPost);
+        DownloadClass downloadClass = new DownloadClass();
+        downloadClass.getPosts();
     }
 
     @Override
@@ -114,6 +111,7 @@ public class MainActivity extends AppCompatActivity implements CameraFragment.On
         FragmentManager man = getFragmentManager();
         ProfileFragment frag = (ProfileFragment) man.findFragmentById(R.id.content);
         FragmentTransaction transaction = man.beginTransaction();
+        frag.progressDialog.dismiss();
         transaction.detach(frag)
                 .attach(frag)
                 .commit();

app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/ProfileFragment.java

@@ -1,6 +1,7 @@
 package nl.myhyvesbookplus.tagram;
 
 import android.app.Fragment;
+import android.app.ProgressDialog;
 import android.content.Context;
 import android.content.Intent;
 import android.graphics.Bitmap;
@@ -26,7 +27,7 @@ import com.google.firebase.auth.FirebaseUser;
 import com.google.firebase.storage.FirebaseStorage;
 import com.google.firebase.storage.StorageReference;
 
-import nl.myhyvesbookplus.tagram.controller.UploadClass;
+import nl.myhyvesbookplus.tagram.controller.ProfilePictureUploader;
 
 import static android.app.Activity.RESULT_OK;
 
@@ -54,6 +55,7 @@ public class ProfileFragment extends Fragment implements View.OnClickListener {
     protected TextView profileName;
     protected ImageView profilePicture;
     protected FirebaseUser user;
+    ProgressDialog progressDialog;
     // TODO: Rename and change types of parameters
     private String mParam1;
     private String mParam2;
@@ -189,8 +191,9 @@ public class ProfileFragment extends Fragment implements View.OnClickListener {
         if (requestCode == REQUEST_IMAGE_CAPTURE && resultCode == RESULT_OK) {
             Bundle extras = data.getExtras();
             Bitmap imageBitmap = (Bitmap) extras.get("data");
-            UploadClass uploadClass = new UploadClass(getActivity());
-            uploadClass.uploadProfilePicture(imageBitmap);
+            progressDialog = ProgressDialog.show(getActivity(), getString(R.string.please_wait), "bezig met uploaden", false, false);
+            ProfilePictureUploader profilePictureUploader = new ProfilePictureUploader(getActivity());
+            profilePictureUploader.uploadProfilePicture(imageBitmap);
         }
     }
 

app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/controller/DownloadClass.java

@@ -1,9 +1,14 @@
 package nl.myhyvesbookplus.tagram.controller;
 
+import android.util.Log;
+
+import com.google.firebase.database.DataSnapshot;
+import com.google.firebase.database.DatabaseError;
 import com.google.firebase.database.DatabaseReference;
 import com.google.firebase.database.FirebaseDatabase;
-import com.google.firebase.storage.FirebaseStorage;
-import com.google.firebase.storage.StorageReference;
+import com.google.firebase.database.ValueEventListener;
+
+import java.util.ArrayList;
 
 import nl.myhyvesbookplus.tagram.model.UriPost;
 
@@ -13,16 +18,37 @@ import nl.myhyvesbookplus.tagram.model.UriPost;
 
 public class DownloadClass {
     private static final String TAG = "DownloadClass";
-    private StorageReference mStorageRef;
+    //    private StorageReference mStorageRef;
     private DatabaseReference mDataRef;
 
     public DownloadClass() {
-        mStorageRef = FirebaseStorage.getInstance().getReference();
+//        mStorageRef = FirebaseStorage.getInstance().getReference();
         mDataRef = FirebaseDatabase.getInstance().getReference();
     }
 
     public UriPost[] getPosts() {
         UriPost[] posts = new UriPost[10];
+        getPostsFromServer().toArray(posts);
+
         return posts;
     }
+
+    private ArrayList<UriPost> getPostsFromServer() {
+        Log.d(TAG, "getPostsFromServer: Begin of function");
+        final ArrayList<UriPost> list = new ArrayList<>();
+        mDataRef.child("posts").addListenerForSingleValueEvent(new ValueEventListener() {
+            @Override
+            public void onDataChange(DataSnapshot dataSnapshot) {
+                for (DataSnapshot data : dataSnapshot.getChildren()) {
+                    list.add(data.getValue(UriPost.class));
+                }
+            }
+
+            @Override
+            public void onCancelled(DatabaseError databaseError) {
+                Log.d(TAG, "onCancelled: " + databaseError.getDetails() + databaseError.getMessage());
+            }
+        });
+        return list;
+    }
 }

app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/controller/PostUploader.java

@@ -0,0 +1,83 @@
+package nl.myhyvesbookplus.tagram.controller;
+
+import android.content.Context;
+import android.net.Uri;
+import android.support.annotation.NonNull;
+import android.util.Log;
+
+import com.google.android.gms.tasks.OnCompleteListener;
+import com.google.android.gms.tasks.OnFailureListener;
+import com.google.android.gms.tasks.OnSuccessListener;
+import com.google.android.gms.tasks.Task;
+import com.google.firebase.database.DatabaseReference;
+import com.google.firebase.storage.UploadTask;
+
+import nl.myhyvesbookplus.tagram.model.BitmapPost;
+import nl.myhyvesbookplus.tagram.model.UriPost;
+
+import static java.lang.System.currentTimeMillis;
+
+/**
+ * Created by marijnjansen on 25/06/2017.
+ */
+
+public class PostUploader extends UploadClass {
+
+    final private static String TAG = "PostUploader";
+
+    private PostUploadListener mListener;
+
+    public PostUploader(Context context) {
+        super();
+        if (context instanceof PostUploadListener) {
+            mListener = (PostUploadListener) context;
+        } else {
+            throw new RuntimeException(context.toString()
+                    + " must implement PostUploadListener");
+        }
+    }
+
+    public void uploadPicture(final BitmapPost post) {
+        final String name = getUserUid() + currentTimeMillis();
+
+        UploadTask uploadTask = mStorageRef.child("posts").child(name + ".jpg").putBytes(bitmapToBytes(post.getBitmap()));
+        uploadTask.addOnFailureListener(new OnFailureListener() {
+            @Override
+            public void onFailure(@NonNull Exception e) {
+                Log.d(TAG, "onFailure: Upload Failed");
+                mListener.PostUploadComplete(false);
+            }
+        })
+                .addOnSuccessListener(new OnSuccessListener<UploadTask.TaskSnapshot>() {
+                    @Override
+                    public void onSuccess(UploadTask.TaskSnapshot taskSnapshot) {
+                        // Handle successful uploads on complete
+                        Log.d(TAG, "onSuccess: Upload Success!");
+                        Uri downloadUrl = taskSnapshot.getMetadata().getDownloadUrl();
+                        putPostInDatabase(post.getUriPost(downloadUrl), name);
+                    }
+                });
+    }
+
+    private void putPostInDatabase(UriPost post, String name) {
+        DatabaseReference ref = mDataRef.child("posts").child(name);
+        ref.setValue(post)
+                .addOnCompleteListener(new OnCompleteListener<Void>() {
+                    @Override
+                    public void onComplete(@NonNull Task<Void> task) {
+                        if (task.isSuccessful()) {
+                            Log.d(TAG, "onComplete: Added post to database");
+                            mListener.PostUploadComplete(true);
+                        } else {
+                            Log.d(TAG, "onComplete: " + task.getException().getLocalizedMessage());
+                            mListener.PostUploadComplete(false);
+
+                        }
+                    }
+                });
+    }
+
+    public interface PostUploadListener {
+        void PostUploadComplete(Boolean success);
+    }
+}

app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/controller/ProfilePictureUploader.java

@@ -0,0 +1,94 @@
+package nl.myhyvesbookplus.tagram.controller;
+
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.net.Uri;
+import android.support.annotation.NonNull;
+import android.util.Log;
+
+import com.google.android.gms.tasks.OnCompleteListener;
+import com.google.android.gms.tasks.OnFailureListener;
+import com.google.android.gms.tasks.OnSuccessListener;
+import com.google.android.gms.tasks.Task;
+import com.google.firebase.auth.UserProfileChangeRequest;
+import com.google.firebase.storage.FirebaseStorage;
+import com.google.firebase.storage.StorageReference;
+import com.google.firebase.storage.UploadTask;
+
+import static java.lang.System.currentTimeMillis;
+
+/**
+ * Created by marijnjansen on 25/06/2017.
+ */
+
+public class ProfilePictureUploader extends UploadClass {
+
+    final static private String TAG = "PPUploader";
+
+    private Uri oldPicture;
+    private ProfilePictureUpdatedListener mListener;
+
+    public ProfilePictureUploader(Context context) {
+        super();
+
+        if (context instanceof ProfilePictureUpdatedListener) {
+            mListener = (ProfilePictureUpdatedListener) context;
+        } else {
+            throw new RuntimeException(context.toString()
+                    + " must implement ProfilePictureUpdatedListener");
+        }
+    }
+
+    public void uploadProfilePicture(Bitmap picture) {
+        byte[] uploadPhoto = bitmapToBytes(picture);
+        oldPicture = mUser.getPhotoUrl();
+        UploadTask photoUpload = mStorageRef.child("profile").child(getUserUid() + "_" + currentTimeMillis()).putBytes(uploadPhoto);
+        photoUpload.addOnSuccessListener(new OnSuccessListener<UploadTask.TaskSnapshot>() {
+            @Override
+            public void onSuccess(UploadTask.TaskSnapshot taskSnapshot) {
+                Uri downloadUrl = taskSnapshot.getDownloadUrl();
+                updateProfilePictureInUser(downloadUrl);
+            }
+        })
+                .addOnFailureListener(new OnFailureListener() {
+                    @Override
+                    public void onFailure(@NonNull Exception e) {
+                        mListener.ProfilePictureUpdated(false);
+                    }
+        });
+    }
+
+    private void updateProfilePictureInUser(Uri url) {
+        UserProfileChangeRequest request = new UserProfileChangeRequest.Builder()
+                .setPhotoUri(url)
+                .build();
+        mUser.updateProfile(request)
+                .addOnCompleteListener(new OnCompleteListener<Void>() {
+                    @Override
+                    public void onComplete(@NonNull Task<Void> task) {
+                        Log.d(TAG, "onComplete: Updated profile picture");
+                        mListener.ProfilePictureUpdated(true);
+                        removeOldPicture();
+                    }
+                });
+    }
+
+    private void removeOldPicture() {
+        StorageReference ref = FirebaseStorage.getInstance().getReferenceFromUrl(oldPicture.toString());
+        ref.delete()
+                .addOnCompleteListener(new OnCompleteListener<Void>() {
+                    @Override
+                    public void onComplete(@NonNull Task<Void> task) {
+                        if (task.isSuccessful()) {
+                            Log.d(TAG, "onComplete: Delete successfull");
+                        } else {
+                            Log.d(TAG, "onComplete: " + task.getException().getLocalizedMessage());
+                        }
+                    }
+                });
+    }
+
+    public interface ProfilePictureUpdatedListener {
+        void ProfilePictureUpdated(Boolean success);
+    }
+}

app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/controller/UploadClass.java

@@ -1,132 +1,44 @@
 package nl.myhyvesbookplus.tagram.controller;
 
-import android.content.Context;
 import android.graphics.Bitmap;
-import android.net.Uri;
-import android.support.annotation.NonNull;
-import android.util.Log;
 
-import com.google.android.gms.tasks.OnCompleteListener;
-import com.google.android.gms.tasks.OnFailureListener;
-import com.google.android.gms.tasks.OnSuccessListener;
-import com.google.android.gms.tasks.Task;
 import com.google.firebase.auth.FirebaseAuth;
 import com.google.firebase.auth.FirebaseUser;
-import com.google.firebase.auth.UserProfileChangeRequest;
 import com.google.firebase.database.DatabaseReference;
 import com.google.firebase.database.FirebaseDatabase;
 import com.google.firebase.storage.FirebaseStorage;
 import com.google.firebase.storage.StorageReference;
-import com.google.firebase.storage.UploadTask;
 
 import java.io.ByteArrayOutputStream;
 
-import nl.myhyvesbookplus.tagram.model.BitmapPost;
-import nl.myhyvesbookplus.tagram.model.UriPost;
-
-import static java.lang.System.currentTimeMillis;
-
 /**
  * Class that does all the photo uploading things.
  */
-public class UploadClass {
+public abstract class UploadClass {
 
     private static final String TAG = "UploadClass";
-    private StorageReference mStorageRef;
-    private DatabaseReference mDataRef;
+    StorageReference mStorageRef;
+    DatabaseReference mDataRef;
+    FirebaseUser mUser;
 
-    private ProfilePictureUpdatedListener mListener;
-
-    public UploadClass(Context context) {
+    UploadClass() {
         mStorageRef = FirebaseStorage.getInstance().getReference();
         mDataRef = FirebaseDatabase.getInstance().getReference();
-        mListener = (ProfilePictureUpdatedListener) context;
+        mUser = FirebaseAuth.getInstance().getCurrentUser();
     }
 
     /// Helpers ///
 
-    private byte[] bitmapToBytes(Bitmap bitmap) {
+    byte[] bitmapToBytes(Bitmap bitmap) {
         ByteArrayOutputStream baos = new ByteArrayOutputStream();
         bitmap.compress(Bitmap.CompressFormat.JPEG, 100, baos);
         return baos.toByteArray();
     }
 
-    private String getUserUid() {
-        FirebaseUser user = FirebaseAuth.getInstance().getCurrentUser();
-        if (user != null) {
-            return user.getUid();
+    String getUserUid() {
+        if (mUser != null) {
+            return mUser.getUid();
         }
         return "";
     }
-
-    /// Post Uploads ///
-
-    public void uploadPicture(final BitmapPost post) {
-        final String name = getUserUid() + currentTimeMillis();
-
-        UploadTask uploadTask = mStorageRef.child("posts").child(name + ".jpg").putBytes(bitmapToBytes(post.getBitmap()));
-        uploadTask.addOnFailureListener(new OnFailureListener() {
-            @Override
-            public void onFailure(@NonNull Exception e) {
-                Log.d(TAG, "onFailure: Upload Failed");
-            }
-        })
-                .addOnSuccessListener(new OnSuccessListener<UploadTask.TaskSnapshot>() {
-                    @Override
-                    public void onSuccess(UploadTask.TaskSnapshot taskSnapshot) {
-                        // Handle successful uploads on complete
-                        Log.d(TAG, "onSuccess: Upload Success!");
-                        Uri downloadUrl = taskSnapshot.getMetadata().getDownloadUrl();
-                        putPostInDatabase(post.getUriPost(downloadUrl), name);
-                    }
-                });
-    }
-
-    private void putPostInDatabase(UriPost post, String name) {
-        DatabaseReference ref = mDataRef.child("posts").child(name);
-        ref.setValue(post)
-                .addOnCompleteListener(new OnCompleteListener<Void>() {
-                    @Override
-                    public void onComplete(@NonNull Task<Void> task) {
-                        if (task.isSuccessful()) {
-                            Log.d(TAG, "onComplete: Added post to database");
-                        } else {
-                            Log.d(TAG, "onComplete: " + task.getException().getLocalizedMessage());
-                        }
-                    }
-                });
-    }
-
-    /// Profile picture ///
-
-    public void uploadProfilePicture(Bitmap picture) {
-        byte[] uploadPhoto = bitmapToBytes(picture);
-        UploadTask photoUpload = mStorageRef.child("profile").child(getUserUid() + "_" + currentTimeMillis()).putBytes(uploadPhoto);
-        photoUpload.addOnSuccessListener(new OnSuccessListener<UploadTask.TaskSnapshot>() {
-            @Override
-            public void onSuccess(UploadTask.TaskSnapshot taskSnapshot) {
-                Uri downloadUrl = taskSnapshot.getDownloadUrl();
-                updateProfilePictureInUser(downloadUrl);
-            }
-        });
-    }
-
-    private void updateProfilePictureInUser(Uri url) {
-        FirebaseUser user = FirebaseAuth.getInstance().getCurrentUser();
-        UserProfileChangeRequest request = new UserProfileChangeRequest.Builder()
-                .setPhotoUri(url)
-                .build();
-        user.updateProfile(request)
-                .addOnCompleteListener(new OnCompleteListener<Void>() {
-                    @Override
-                    public void onComplete(@NonNull Task<Void> task) {
-                        Log.d(TAG, "onComplete: Updated profile picture");
-                        mListener.ProfilePictureUpdated(true);
-                    }
-                });
-    }
-
-    public interface ProfilePictureUpdatedListener {
-        void ProfilePictureUpdated(Boolean success);
-    }
 }

app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/model/UriPost.java

@@ -8,28 +8,29 @@ import java.util.Date;
  * UriPost is a Class for a Post with a Uri as an image.
  */
 public class UriPost extends Post {
-    private String photo;
+    private String uri;
 
     public UriPost() {
         // Default constructor required for calls to DataSnapshot.getValue(UriPost.class)
 
     }
 
-    public UriPost(Uri photo, String comment, Date date, int nietSlechts, String poster) {
+    public UriPost(Uri uri, String comment, Date date, int nietSlechts, String poster) {
         super(comment, date, nietSlechts, poster);
-        this.photo = photo.toString();
+        this.uri = uri.toString();
     }
 
-    public UriPost(String photo, String comment) {
+    public UriPost(String uri, String comment) {
         super(comment);
-        this.photo = photo;
+        this.uri = uri;
     }
 
     public String getUri() {
-        return photo;
+        return uri;
     }
 
-    public void setPhoto(String photo) {
-        this.photo = photo;
+
+    public void setUri(String uri) {
+        this.uri = uri;
     }
 }