Added feature: Vote in ViewPostDetailActivity. Fix some behavior after the vote fails.

5 files changed, 250 insertions, 21 deletions

diff --git a/app/build.gradle b/app/build.gradle
index 95becfb6..26b73a0a 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -28,10 +28,10 @@ repositories {
 
 dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
-    implementation 'com.android.support:appcompat-v7:28.0.0-beta01'
-    implementation 'com.android.support:design:28.0.0-beta01'
+    implementation 'com.android.support:appcompat-v7:28.0.0-rc01'
+    implementation 'com.android.support:design:28.0.0-rc01'
     implementation 'com.android.support.constraint:constraint-layout:1.1.2'
-    implementation 'com.android.support:support-v4:28.0.0-beta01'
+    implementation 'com.android.support:support-v4:28.0.0-rc01'
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'com.android.support.test:runner:1.0.2'
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
@@ -39,9 +39,9 @@ dependencies {
     implementation 'de.hdodenhof:circleimageview:2.2.0'
     implementation 'com.google.android.exoplayer:exoplayer:2.7.0'
     implementation 'com.google.android.exoplayer:exoplayer-dash:2.7.0'
-    implementation 'com.android.support:customtabs:28.0.0-beta01'
+    implementation 'com.android.support:customtabs:28.0.0-rc01'
     implementation 'com.alexvasilkov:gesture-views:2.5.2'
-    implementation 'com.android.support:cardview-v7:28.0.0-beta01'
+    implementation 'com.android.support:cardview-v7:28.0.0-rc01'
     implementation 'com.github.bumptech.glide:glide:4.6.1'
     implementation 'com.github.pwittchen:swipe-rx2:0.3.0'
     annotationProcessor 'com.github.bumptech.glide:compiler:4.6.1'
@@ -52,4 +52,6 @@ dependencies {
     // Lifecycle components
     implementation "android.arch.lifecycle:extensions:$rootProject.archLifecycleVersion"
     annotationProcessor "android.arch.lifecycle:compiler:$rootProject.archLifecycleVersion"
+    implementation 'io.reactivex.rxjava2:rxandroid:2.1.0'
+    implementation 'io.reactivex.rxjava2:rxjava:2.2.0'
 }
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/BestPostRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/BestPostRecyclerViewAdapter.java
index 5978b407..d5d8614f 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/BestPostRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/BestPostRecyclerViewAdapter.java
@@ -2,6 +2,7 @@ package ml.docilealligator.infinityforreddit;
 
 import android.content.Context;
 import android.content.Intent;
+import android.graphics.ColorFilter;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.support.annotation.NonNull;
@@ -299,6 +300,8 @@ class BestPostRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.View
                     @Override
                     public void onClick(View view) {
                         final boolean isDownvotedBefore = ((DataViewHolder) holder).downvoteButton.getColorFilter() != null;
+
+                        final ColorFilter downvoteButtonColorFilter = ((DataViewHolder) holder).downvoteButton.getColorFilter();
                         ((DataViewHolder) holder).downvoteButton.clearColorFilter();
 
                         if (((DataViewHolder) holder).upvoteButton.getColorFilter() == null) {
@@ -325,7 +328,7 @@ class BestPostRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.View
                                     Toast.makeText(mContext, "Cannot upvote this post", Toast.LENGTH_SHORT).show();
                                     ((DataViewHolder) holder).upvoteButton.clearColorFilter();
                                     ((DataViewHolder) holder).scoreTextView.setText(Integer.toString(mBestPostData.get(position).getScore()));
-                                    ((DataViewHolder) holder).downvoteButton.setColorFilter(ContextCompat.getColor(mContext, R.color.minusButtonColor), android.graphics.PorterDuff.Mode.SRC_IN);
+                                    ((DataViewHolder) holder).downvoteButton.setColorFilter(downvoteButtonColorFilter);
                                 }
                             }, id, RedditUtils.DIR_UPVOTE, ((DataViewHolder) holder).getAdapterPosition(), 1);
                         } else {
@@ -357,6 +360,7 @@ class BestPostRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.View
                     public void onClick(View view) {
                         final boolean isUpvotedBefore = ((DataViewHolder) holder).upvoteButton.getColorFilter() != null;
 
+                        final ColorFilter upvoteButtonColorFilter = ((DataViewHolder) holder).upvoteButton.getColorFilter();
                         ((DataViewHolder) holder).upvoteButton.clearColorFilter();
                         if (((DataViewHolder) holder).downvoteButton.getColorFilter() == null) {
                             ((DataViewHolder) holder).downvoteButton.setColorFilter(ContextCompat.getColor(mContext, R.color.minusButtonColor), android.graphics.PorterDuff.Mode.SRC_IN);
@@ -382,7 +386,7 @@ class BestPostRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.View
                                     Toast.makeText(mContext, "Cannot downvote this post", Toast.LENGTH_SHORT).show();
                                     ((DataViewHolder) holder).downvoteButton.clearColorFilter();
                                     ((DataViewHolder) holder).scoreTextView.setText(Integer.toString(mBestPostData.get(position).getScore()));
-                                    ((DataViewHolder) holder).upvoteButton.setColorFilter(ContextCompat.getColor(mContext, R.color.colorPrimary), android.graphics.PorterDuff.Mode.SRC_IN);
+                                    ((DataViewHolder) holder).upvoteButton.setColorFilter(upvoteButtonColorFilter);
                                 }
                             }, id, RedditUtils.DIR_DOWNVOTE, holder.getAdapterPosition(), 1);
                         } else {
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/MainActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/MainActivity.java
index 8ca3fbc8..ca31c815 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/MainActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/MainActivity.java
@@ -224,7 +224,7 @@ public class MainActivity extends AppCompatActivity {
                 }, 1);
             }
 
-            if(mInsertSuccess) {
+            if(!mInsertSuccess) {
                 new FetchSubscribedThing(this, Volley.newRequestQueue(this), new ArrayList<SubscribedSubredditData>(),
                         new ArrayList<SubscribedUserData>(), new ArrayList<SubredditData>())
                         .fetchSubscribedSubreddits(new FetchSubscribedThing.FetchSubscribedSubredditsListener() {
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/ViewPostDetailActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/ViewPostDetailActivity.java
index 47a0ef7f..050db26c 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/ViewPostDetailActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/ViewPostDetailActivity.java
@@ -1,6 +1,7 @@
 package ml.docilealligator.infinityforreddit;
 
 import android.content.Intent;
+import android.graphics.ColorFilter;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.os.Bundle;
@@ -8,6 +9,7 @@ import android.support.annotation.Nullable;
 import android.support.customtabs.CustomTabsIntent;
 import android.support.design.widget.CoordinatorLayout;
 import android.support.design.widget.Snackbar;
+import android.support.v4.content.ContextCompat;
 import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.CardView;
 import android.support.v7.widget.DividerItemDecoration;
@@ -20,6 +22,7 @@ import android.widget.LinearLayout;
 import android.widget.ProgressBar;
 import android.widget.RelativeLayout;
 import android.widget.TextView;
+import android.widget.Toast;
 
 import com.android.volley.RequestQueue;
 import com.android.volley.toolbox.Volley;
@@ -52,7 +55,7 @@ public class ViewPostDetailActivity extends AppCompatActivity {
     private LinearLayout mNoCommentWrapperLinearLayout;
     private ImageView mNoCommentImageView;
 
-    private RequestQueue mVoteThingQueue;
+    private RequestQueue mVoteThingRequestQueue;
     private RequestQueue mAcquireAccessTokenRequestQueue;
     private RequestQueue mCommentQueue;
 
@@ -82,9 +85,9 @@ public class ViewPostDetailActivity extends AppCompatActivity {
         ImageView imageView = findViewById(R.id.image_view_view_post_detail);
         ImageView noPreviewLinkImageView = findViewById(R.id.image_view_no_preview_link_view_post_detail);
 
-        ImageView plusButton = findViewById(R.id.plus_button_view_post_detail);
-        TextView scoreTextView = findViewById(R.id.score_text_view_view_post_detail);
-        ImageView minusButton = findViewById(R.id.minus_button_view_post_detail);
+        final ImageView upvoteButton = findViewById(R.id.plus_button_view_post_detail);
+        final TextView scoreTextView = findViewById(R.id.score_text_view_view_post_detail);
+        final ImageView downvoteButton = findViewById(R.id.minus_button_view_post_detail);
         ImageView shareButton = findViewById(R.id.share_button_view_post_detail);
 
         mCommentProgressbar = findViewById(R.id.comment_progress_bar_view_post_detail);
@@ -104,10 +107,21 @@ public class ViewPostDetailActivity extends AppCompatActivity {
             Glide.with(this).load(R.drawable.subreddit_default_icon).into(subredditIconCircleImageView);
         }
 
+        switch (mPostData.getVoteType()) {
+            case 1:
+                //Upvote
+                upvoteButton.setColorFilter(ContextCompat.getColor(this, R.color.colorPrimary), android.graphics.PorterDuff.Mode.SRC_IN);
+                break;
+            case -1:
+                //Downvote
+                downvoteButton.setColorFilter(ContextCompat.getColor(this, R.color.minusButtonColor), android.graphics.PorterDuff.Mode.SRC_IN);
+                break;
+        }
+
         mRecyclerView.setNestedScrollingEnabled(false);
         mRecyclerView.setLayoutManager(new LinearLayoutManager(this));
         mRecyclerView.addItemDecoration(new DividerItemDecoration(this, DividerItemDecoration.VERTICAL));
-        mVoteThingQueue = Volley.newRequestQueue(this);
+        mVoteThingRequestQueue = Volley.newRequestQueue(this);
         mAcquireAccessTokenRequestQueue = Volley.newRequestQueue(this);
         mCommentQueue = Volley.newRequestQueue(this);
 
@@ -284,6 +298,160 @@ public class ViewPostDetailActivity extends AppCompatActivity {
                 }
         }
         queryComment();
+
+        /*final Observable<Integer> observable = Observable.create(
+                new ObservableOnSubscribe<Integer>() {
+                    @Override
+                    public void subscribe(ObservableEmitter<Integer> emitter) throws Exception {
+                        emitter.onNext(mPostData.getVoteType());
+                        emitter.onComplete();
+                        Log.i("asdasdf", "adasdfasdf");
+                        Toast.makeText(ViewPostDetailActivity.this, "observable", Toast.LENGTH_SHORT).show();
+                    }
+                }
+        );
+
+        final Observer observer = new Observer() {
+            @Override
+            public void onSubscribe(Disposable d) {
+
+            }
+
+            @Override
+            public void onNext(Object o) {
+
+            }
+
+            @Override
+            public void onError(Throwable e) {
+
+            }
+
+            @Override
+            public void onComplete() {
+                Toast.makeText(ViewPostDetailActivity.this, "complete", Toast.LENGTH_SHORT).show();
+            }
+        };*/
+
+        upvoteButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                //observable.subscribe(observer);
+                final boolean isDownvotedBefore = downvoteButton.getColorFilter() != null;
+
+                final ColorFilter downVoteButtonColorFilter = downvoteButton.getColorFilter();
+                downvoteButton.clearColorFilter();
+
+                if (upvoteButton.getColorFilter() == null) {
+                    upvoteButton.setColorFilter(ContextCompat.getColor(ViewPostDetailActivity.this, R.color.colorPrimary), android.graphics.PorterDuff.Mode.SRC_IN);
+                    if(isDownvotedBefore) {
+                        scoreTextView.setText(Integer.toString(mPostData.getScore() + 2));
+                    } else {
+                        scoreTextView.setText(Integer.toString(mPostData.getScore() + 1));
+                    }
+
+                    new VoteThing(ViewPostDetailActivity.this, mVoteThingRequestQueue, mAcquireAccessTokenRequestQueue).votePost(new VoteThing.VoteThingWithoutPositionListener() {
+                        @Override
+                        public void onVoteThingSuccess() {
+                            mPostData.setVoteType(1);
+                            if(isDownvotedBefore) {
+                                mPostData.setScore(mPostData.getScore() + 2);
+                            } else {
+                                mPostData.setScore(mPostData.getScore() + 1);
+                            }
+                        }
+
+                        @Override
+                        public void onVoteThingFail() {
+                            Toast.makeText(ViewPostDetailActivity.this, "Cannot upvote this post", Toast.LENGTH_SHORT).show();
+                            upvoteButton.clearColorFilter();
+                            scoreTextView.setText(Integer.toString(mPostData.getScore()));
+                            downvoteButton.setColorFilter(downVoteButtonColorFilter);
+                        }
+                    }, mPostData.getFullName(), RedditUtils.DIR_UPVOTE, 1);
+                } else {
+                    //Upvoted before
+                    upvoteButton.clearColorFilter();
+                    scoreTextView.setText(Integer.toString(mPostData.getScore() - 1));
+
+                    new VoteThing(ViewPostDetailActivity.this, mVoteThingRequestQueue, mAcquireAccessTokenRequestQueue).votePost(new VoteThing.VoteThingWithoutPositionListener() {
+                        @Override
+                        public void onVoteThingSuccess() {
+                            mPostData.setVoteType(0);
+                            mPostData.setScore(mPostData.getScore() - 1);
+                        }
+
+                        @Override
+                        public void onVoteThingFail() {
+                            Toast.makeText(ViewPostDetailActivity.this, "Cannot unvote this post", Toast.LENGTH_SHORT).show();
+                            scoreTextView.setText(Integer.toString(mPostData.getScore() + 1));
+                            upvoteButton.setColorFilter(ContextCompat.getColor(ViewPostDetailActivity.this, R.color.colorPrimary), android.graphics.PorterDuff.Mode.SRC_IN);
+                            mPostData.setScore(mPostData.getScore() + 1);
+                        }
+                    }, mPostData.getFullName(), RedditUtils.DIR_UNVOTE, 1);
+                }
+            }
+        });
+
+        downvoteButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                //observable.subscribe(observer);
+                final boolean isUpvotedBefore = upvoteButton.getColorFilter() != null;
+
+                final ColorFilter upvoteButtonColorFilter = upvoteButton.getColorFilter();
+                upvoteButton.clearColorFilter();
+
+                if (downvoteButton.getColorFilter() == null) {
+                    downvoteButton.setColorFilter(ContextCompat.getColor(ViewPostDetailActivity.this, R.color.minusButtonColor), android.graphics.PorterDuff.Mode.SRC_IN);
+                    if (isUpvotedBefore) {
+                        scoreTextView.setText(Integer.toString(mPostData.getScore() - 2));
+                    } else {
+                        scoreTextView.setText(Integer.toString(mPostData.getScore() - 1));
+                    }
+
+                    new VoteThing(ViewPostDetailActivity.this, mVoteThingRequestQueue, mAcquireAccessTokenRequestQueue).votePost(new VoteThing.VoteThingWithoutPositionListener() {
+                        @Override
+                        public void onVoteThingSuccess() {
+                            mPostData.setVoteType(-1);
+                            if(isUpvotedBefore) {
+                                mPostData.setScore(mPostData.getScore() - 2);
+                            } else {
+                                mPostData.setScore(mPostData.getScore() - 1);
+                            }
+                        }
+
+                        @Override
+                        public void onVoteThingFail() {
+                            Toast.makeText(ViewPostDetailActivity.this, "Cannot downvote this post", Toast.LENGTH_SHORT).show();
+                            downvoteButton.clearColorFilter();
+                            scoreTextView.setText(Integer.toString(mPostData.getScore()));
+                            upvoteButton.setColorFilter(upvoteButtonColorFilter);
+                        }
+                    }, mPostData.getFullName(), RedditUtils.DIR_DOWNVOTE, 1);
+                } else {
+                    //Down voted before
+                    downvoteButton.clearColorFilter();
+                    scoreTextView.setText(Integer.toString(mPostData.getScore() + 1));
+
+                    new VoteThing(ViewPostDetailActivity.this, mVoteThingRequestQueue, mAcquireAccessTokenRequestQueue).votePost(new VoteThing.VoteThingWithoutPositionListener() {
+                        @Override
+                        public void onVoteThingSuccess() {
+                            mPostData.setVoteType(0);
+                            mPostData.setScore(mPostData.getScore());
+                        }
+
+                        @Override
+                        public void onVoteThingFail() {
+                            Toast.makeText(ViewPostDetailActivity.this, "Cannot unvote this post", Toast.LENGTH_SHORT).show();
+                            downvoteButton.setColorFilter(ContextCompat.getColor(ViewPostDetailActivity.this, R.color.minusButtonColor), android.graphics.PorterDuff.Mode.SRC_IN);
+                            scoreTextView.setText(Integer.toString(mPostData.getScore()));
+                            mPostData.setScore(mPostData.getScore());
+                        }
+                    }, mPostData.getFullName(), RedditUtils.DIR_UNVOTE, 1);
+                }
+            }
+        });
     }
 
     private void queryComment() {
@@ -299,7 +467,7 @@ public class ViewPostDetailActivity extends AppCompatActivity {
                         mMoreCommentCount = moreCommentCount;
                         if(commentData.size() > 0) {
                             CommentRecyclerViewAdapter adapter = new CommentRecyclerViewAdapter(
-                                    ViewPostDetailActivity.this, commentData, mVoteThingQueue, mAcquireAccessTokenRequestQueue);
+                                    ViewPostDetailActivity.this, commentData, mVoteThingRequestQueue, mAcquireAccessTokenRequestQueue);
                             mRecyclerView.setAdapter(adapter);
                             mCommentCardView.setVisibility(View.VISIBLE);
                         } else {
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/VoteThing.java b/app/src/main/java/ml/docilealligator/infinityforreddit/VoteThing.java
index c6807134..0b6ef4e1 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/VoteThing.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/VoteThing.java
@@ -23,8 +23,12 @@ class VoteThing {
         void onVoteThingFail(int position);
     }
 
+    interface VoteThingWithoutPositionListener {
+        void onVoteThingSuccess();
+        void onVoteThingFail();
+    }
+
     private Context mContext;
-    private VoteThingListener mVoteThingListener;
     private RequestQueue mQueue;
     private RequestQueue mAcquireAccessTokenRequestQueue;
 
@@ -34,17 +38,68 @@ class VoteThing {
         mAcquireAccessTokenRequestQueue = acquireAccessTokenRequestQueue;
     }
 
-    void votePost(VoteThingListener voteThingListener, final String fullName, final String point, final int position, final int refreshTime) {
+    void votePost(final VoteThingListener voteThingListener, final String fullName, final String point, final int position, final int refreshTime) {
+        if(mContext != null) {
+            if(refreshTime < 0) {
+                voteThingListener.onVoteThingFail(position);
+                return;
+            }
+
+            StringRequest voteRequest = new StringRequest(Request.Method.POST, RedditUtils.OAUTH_API_BASE_URI + RedditUtils.VOTE_SUFFIX, new Response.Listener<String>() {
+                @Override
+                public void onResponse(String response) {
+                    voteThingListener.onVoteThingSuccess(position);
+                }
+            }, new Response.ErrorListener() {
+                @Override
+                public void onErrorResponse(VolleyError error) {
+                    if (error instanceof AuthFailureError) {
+                        //Access token expired
+                        new AcquireAccessToken(mContext).refreshAccessToken(mAcquireAccessTokenRequestQueue,
+                                new AcquireAccessToken.AcquireAccessTokenListener() {
+                                    @Override
+                                    public void onAcquireAccessTokenSuccess() {
+                                        votePost(voteThingListener, fullName, point, position, refreshTime - 1);
+                                    }
+
+                                    @Override
+                                    public void onAcquireAccessTokenFail() {}
+                                });
+                    } else {
+                        voteThingListener.onVoteThingFail(position);
+                    }
+                }
+            }) {
+                @Override
+                protected Map<String, String> getParams() {
+                    HashMap<String, String> params = new HashMap<>();
+                    params.put(RedditUtils.DIR_KEY, point);
+                    params.put(RedditUtils.ID_KEY, fullName);
+                    params.put(RedditUtils.RANK_KEY, RedditUtils.RANK);
+                    return params;
+                }
+
+                @Override
+                public Map<String, String> getHeaders() {
+                    String accessToken = mContext.getSharedPreferences(SharedPreferencesUtils.AUTH_CODE_FILE_KEY, Context.MODE_PRIVATE).getString(SharedPreferencesUtils.ACCESS_TOKEN_KEY, "");
+                    return RedditUtils.getOAuthHeader(accessToken);
+                }
+            };
+            voteRequest.setTag(VoteThing.class);
+            mQueue.add(voteRequest);
+        }
+    }
+
+    void votePost(final VoteThingWithoutPositionListener voteThingWithoutPositionListener, final String fullName, final String point, final int refreshTime) {
         if(mContext != null) {
             if(refreshTime < 0) {
-                mVoteThingListener.onVoteThingFail(position);
+                voteThingWithoutPositionListener.onVoteThingFail();
                 return;
             }
-            mVoteThingListener = voteThingListener;
             StringRequest voteRequest = new StringRequest(Request.Method.POST, RedditUtils.OAUTH_API_BASE_URI + RedditUtils.VOTE_SUFFIX, new Response.Listener<String>() {
                 @Override
                 public void onResponse(String response) {
-                    mVoteThingListener.onVoteThingSuccess(position);
+                    voteThingWithoutPositionListener.onVoteThingSuccess();
                 }
             }, new Response.ErrorListener() {
                 @Override
@@ -55,14 +110,14 @@ class VoteThing {
                                 new AcquireAccessToken.AcquireAccessTokenListener() {
                                     @Override
                                     public void onAcquireAccessTokenSuccess() {
-                                        votePost(mVoteThingListener, fullName, point, position, refreshTime - 1);
+                                        votePost(voteThingWithoutPositionListener, fullName, point, refreshTime - 1);
                                     }
 
                                     @Override
                                     public void onAcquireAccessTokenFail() {}
                                 });
                     } else {
-                        mVoteThingListener.onVoteThingFail(position);
+                        voteThingWithoutPositionListener.onVoteThingFail();
                     }
                 }
             }) {