Implement option to see removed comment.

9 files changed, 184 insertions, 6 deletions

diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/API/PushshiftAPI.java b/app/src/main/java/ml/docilealligator/infinityforreddit/API/PushshiftAPI.java
new file mode 100644
index 00000000..66c92a02
--- /dev/null
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/API/PushshiftAPI.java
@@ -0,0 +1,10 @@
+package ml.docilealligator.infinityforreddit.API;
+
+import retrofit2.Call;
+import retrofit2.http.GET;
+import retrofit2.http.Query;
+
+public interface PushshiftAPI {
+    @GET("reddit/comment/search/")
+    Call<String> getRemovedComment(@Query("ids") String commentId);
+}
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewPostDetailActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewPostDetailActivity.java
index 51a5beaa..bf01f564 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewPostDetailActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewPostDetailActivity.java
@@ -60,6 +60,8 @@ import ml.docilealligator.infinityforreddit.ActivityToolbarInterface;
 import ml.docilealligator.infinityforreddit.Adapter.CommentAndPostRecyclerViewAdapter;
 import ml.docilealligator.infinityforreddit.AsyncTask.GetCurrentAccountAsyncTask;
 import ml.docilealligator.infinityforreddit.AsyncTask.SwitchAccountAsyncTask;
+import ml.docilealligator.infinityforreddit.BottomSheetFragment.FlairBottomSheetFragment;
+import ml.docilealligator.infinityforreddit.BottomSheetFragment.PostCommentSortTypeBottomSheetFragment;
 import ml.docilealligator.infinityforreddit.CommentData;
 import ml.docilealligator.infinityforreddit.CustomTheme.CustomThemeWrapper;
 import ml.docilealligator.infinityforreddit.CustomView.CustomToroContainer;
@@ -71,9 +73,8 @@ import ml.docilealligator.infinityforreddit.Event.PostUpdateEventToDetailActivit
 import ml.docilealligator.infinityforreddit.Event.PostUpdateEventToPostList;
 import ml.docilealligator.infinityforreddit.Event.SwitchAccountEvent;
 import ml.docilealligator.infinityforreddit.FetchComment;
+import ml.docilealligator.infinityforreddit.FetchRemovedComment;
 import ml.docilealligator.infinityforreddit.Flair;
-import ml.docilealligator.infinityforreddit.BottomSheetFragment.FlairBottomSheetFragment;
-import ml.docilealligator.infinityforreddit.BottomSheetFragment.PostCommentSortTypeBottomSheetFragment;
 import ml.docilealligator.infinityforreddit.Infinity;
 import ml.docilealligator.infinityforreddit.ParseComment;
 import ml.docilealligator.infinityforreddit.Post.FetchPost;
@@ -161,6 +162,9 @@ public class ViewPostDetailActivity extends BaseActivity implements FlairBottomS
     @Named("no_oauth")
     Retrofit mRetrofit;
     @Inject
+    @Named("pushshift")
+    Retrofit pushshiftRetrofit;
+    @Inject
     @Named("oauth")
     Retrofit mOauthRetrofit;
     @Inject
@@ -1144,6 +1148,24 @@ public class ViewPostDetailActivity extends BaseActivity implements FlairBottomS
                 .show();
     }
 
+    public void showRemovedComment(CommentData comment, int position) {
+        Toast.makeText(ViewPostDetailActivity.this, R.string.fetching_removed_comment, Toast.LENGTH_SHORT).show();
+        FetchRemovedComment.fetchRemovedComment(
+                pushshiftRetrofit,
+                comment,
+                new FetchRemovedComment.FetchRemovedCommentListener() {
+                    @Override
+                    public void fetchSuccess(CommentData comment) {
+                        mAdapter.editComment(comment.getAuthor(), comment.getCommentMarkdown(), position);
+                    }
+
+                    @Override
+                    public void fetchFailed() {
+                        Toast.makeText(ViewPostDetailActivity.this, R.string.show_removed_comment_failed, Toast.LENGTH_SHORT).show();
+                    }
+                });
+    }
+
     public void changeToSingleThreadMode() {
         isSingleCommentThreadMode = false;
         mSingleCommentId = null;
@@ -1537,7 +1559,8 @@ public class ViewPostDetailActivity extends BaseActivity implements FlairBottomS
             }
         } else if (requestCode == EDIT_COMMENT_REQUEST_CODE) {
             if (data != null && resultCode == RESULT_OK) {
-                mAdapter.editComment(data.getStringExtra(EditCommentActivity.EXTRA_EDITED_COMMENT_CONTENT),
+                mAdapter.editComment(null,
+                        data.getStringExtra(EditCommentActivity.EXTRA_EDITED_COMMENT_CONTENT),
                         data.getExtras().getInt(EditCommentActivity.EXTRA_EDITED_COMMENT_POSITION));
             }
         }
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/CommentAndPostRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/CommentAndPostRecyclerViewAdapter.java
index 0510fae6..f52a6b69 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/CommentAndPostRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/CommentAndPostRecyclerViewAdapter.java
@@ -1384,8 +1384,10 @@ public class CommentAndPostRecyclerViewAdapter extends RecyclerView.Adapter<Recy
         }
     }
 
-    public void editComment(String commentContent, int position) {
-        mVisibleComments.get(position).setCommentMarkdown(commentContent);
+    public void editComment(String commentAuthor, String commentContentMarkdown, int position) {
+        if (commentAuthor != null)
+            mVisibleComments.get(position).setAuthor(commentAuthor);
+        mVisibleComments.get(position).setCommentMarkdown(commentContentMarkdown);
         if (mIsSingleCommentThreadMode) {
             notifyItemChanged(position + 2);
         } else {
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/AppModule.java b/app/src/main/java/ml/docilealligator/infinityforreddit/AppModule.java
index f4f32b20..d70a167d 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/AppModule.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/AppModule.java
@@ -131,6 +131,16 @@ class AppModule {
     }
 
     @Provides
+    @Named("pushshift")
+    @Singleton
+    Retrofit providePushshiftRetrofit() {
+        return new Retrofit.Builder()
+                .baseUrl(APIUtils.PUSHSHIFT_API_BASE_URI)
+                .addConverterFactory(ScalarsConverterFactory.create())
+                .build();
+    }
+
+    @Provides
     @Singleton
     OkHttpClient provideOkHttpClient(@Named("no_oauth") Retrofit retrofit, RedditDataRoomDatabase accountRoomDatabase) {
         OkHttpClient.Builder okHttpClientBuilder = new OkHttpClient.Builder();
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/BottomSheetFragment/CommentMoreBottomSheetFragment.java b/app/src/main/java/ml/docilealligator/infinityforreddit/BottomSheetFragment/CommentMoreBottomSheetFragment.java
index 364096e6..bfdb0b0f 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/BottomSheetFragment/CommentMoreBottomSheetFragment.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/BottomSheetFragment/CommentMoreBottomSheetFragment.java
@@ -47,7 +47,10 @@ public class CommentMoreBottomSheetFragment extends RoundedBottomSheetDialogFrag
     TextView copyTextView;
     @BindView(R.id.report_view_comment_more_bottom_sheet_fragment)
     TextView reportTextView;
+    @BindView(R.id.see_removed_view_comment_more_bottom_sheet_fragment)
+    TextView seeRemovedTextView;
     private AppCompatActivity activity;
+
     public CommentMoreBottomSheetFragment() {
         // Required empty public constructor
     }
@@ -131,6 +134,17 @@ public class CommentMoreBottomSheetFragment extends RoundedBottomSheetDialogFrag
             dismiss();
         });
 
+        if (commentData.getCommentRawText().equals("[removed]")) {
+            seeRemovedTextView.setVisibility(View.VISIBLE);
+
+            seeRemovedTextView.setOnClickListener(view -> {
+                dismiss();
+                if (activity instanceof ViewPostDetailActivity) {
+                    ((ViewPostDetailActivity) activity).showRemovedComment(commentData, bundle.getInt(EXTRA_POSITION));
+                }
+            });
+        }
+
         return rootView;
     }
 
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/FetchRemovedComment.java b/app/src/main/java/ml/docilealligator/infinityforreddit/FetchRemovedComment.java
new file mode 100644
index 00000000..4ff9e2d5
--- /dev/null
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/FetchRemovedComment.java
@@ -0,0 +1,95 @@
+package ml.docilealligator.infinityforreddit;
+
+import android.os.AsyncTask;
+
+import androidx.annotation.NonNull;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import ml.docilealligator.infinityforreddit.API.PushshiftAPI;
+import ml.docilealligator.infinityforreddit.Utils.JSONUtils;
+import ml.docilealligator.infinityforreddit.Utils.Utils;
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
+import retrofit2.Retrofit;
+
+public class FetchRemovedComment {
+
+    public static void fetchRemovedComment(Retrofit retrofit, CommentData comment, FetchRemovedCommentListener listener) {
+        retrofit.create(PushshiftAPI.class).getRemovedComment(comment.getId())
+                .enqueue(new Callback<String>() {
+                    @Override
+                    public void onResponse(@NonNull Call<String> call, @NonNull Response<String> response) {
+                        if (response.isSuccessful()) {
+                            new ParseCommentAsyncTask(response.body(), comment, listener).execute();
+                        } else {
+                            listener.fetchFailed();
+                        }
+                    }
+
+                    @Override
+                    public void onFailure(@NonNull Call<String> call, @NonNull Throwable t) {
+                        listener.fetchFailed();
+                    }
+                });
+    }
+
+    private static CommentData parseRemovedComment(JSONObject comment, CommentData commentData) throws JSONException {
+        String id = comment.getString(JSONUtils.ID_KEY);
+        if (id.equals(commentData.getId())) {
+            String author = comment.getString(JSONUtils.AUTHOR_KEY);
+            String commentMarkdown = "";
+            if (!comment.isNull(JSONUtils.BODY_KEY)) {
+                commentMarkdown = Utils.modifyMarkdown(comment.getString(JSONUtils.BODY_KEY).trim());
+            }
+
+            commentData.setAuthor(author);
+            commentData.setCommentMarkdown(commentMarkdown);
+            commentData.setCommentRawText(commentMarkdown);
+            return commentData;
+        } else {
+            return null;
+        }
+    }
+
+    public interface FetchRemovedCommentListener {
+        void fetchSuccess(CommentData comment);
+
+        void fetchFailed();
+    }
+
+    private static class ParseCommentAsyncTask extends AsyncTask<Void, Void, Void> {
+
+        private String responseBody;
+        private FetchRemovedCommentListener listener;
+        CommentData comment;
+
+        public ParseCommentAsyncTask(String responseBody, CommentData comment, FetchRemovedCommentListener listener) {
+            this.responseBody = responseBody;
+            this.comment = comment;
+            this.listener = listener;
+        }
+
+        @Override
+        protected Void doInBackground(Void... voids) {
+            try {
+                JSONObject commentJSON = new JSONObject(responseBody).getJSONArray(JSONUtils.DATA_KEY).getJSONObject(0);
+                comment = parseRemovedComment(commentJSON, comment);
+            } catch (JSONException e) {
+                e.printStackTrace();
+            }
+            return null;
+        }
+
+        @Override
+        protected void onPostExecute(Void aVoid) {
+            super.onPostExecute(aVoid);
+            if (comment != null)
+                listener.fetchSuccess(comment);
+            else
+                listener.fetchFailed();
+        }
+    }
+}
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Utils/APIUtils.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Utils/APIUtils.java
index c080bdd4..7f49deee 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Utils/APIUtils.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Utils/APIUtils.java
@@ -21,6 +21,7 @@ public class APIUtils {
     public static final String GFYCAT_API_BASE_URI = "https://api.gfycat.com/v1/gfycats/";
     public static final String REDGIFS_API_BASE_URI = "https://api.redgifs.com/v1/gfycats/";
     public static final String IMGUR_API_BASE_URI = "https://api.imgur.com/3/";
+    public static final String PUSHSHIFT_API_BASE_URI = "https://api.pushshift.io/";
 
     public static final String CLIENT_ID_KEY = "client_id";
     public static final String CLIENT_ID = "";
diff --git a/app/src/main/res/layout/fragment_comment_more_bottom_sheet.xml b/app/src/main/res/layout/fragment_comment_more_bottom_sheet.xml
index db9fadd9..c1126a2d 100644
--- a/app/src/main/res/layout/fragment_comment_more_bottom_sheet.xml
+++ b/app/src/main/res/layout/fragment_comment_more_bottom_sheet.xml
@@ -104,6 +104,25 @@
             android:textSize="?attr/font_default"
             android:fontFamily="?attr/font_family" />
 
+        <TextView
+            android:id="@+id/see_removed_view_comment_more_bottom_sheet_fragment"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:background="?attr/selectableItemBackground"
+            android:clickable="true"
+            android:drawableStart="@drawable/ic_preview_24dp"
+            android:drawablePadding="48dp"
+            android:focusable="true"
+            android:gravity="center_vertical"
+            android:paddingStart="32dp"
+            android:paddingTop="16dp"
+            android:paddingEnd="32dp"
+            android:paddingBottom="16dp"
+            android:text="@string/see_removed_comment"
+            android:textColor="?attr/primaryTextColor"
+            android:textSize="?attr/font_default"
+            android:visibility="gone" />
+
     </LinearLayout>
 
-</androidx.core.widget.NestedScrollView>
\ No newline at end of file
+</androidx.core.widget.NestedScrollView>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 032a47eb..fa9f039b 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -276,6 +276,10 @@
     <string name="are_you_sure">Are you sure?</string>
     <string name="edit">Edit</string>
     <string name="delete">Delete</string>
+    <string name="see_removed_comment">See Removed Comment</string>
+    <string name="see_removed_post">See Removed Post</string>
+    <string name="fetching_removed_comment">Fetching removed comment</string>
+    <string name="show_removed_comment_failed">Could not find the removed comment</string>
     <string name="cancel">Cancel</string>
     <string name="ok">OK</string>
     <string name="edit_success">Edit successful</string>