Add delete option in post view. Fixes 1 part of https://github.com/austinhuang0131/barinsta/issues/289

app/src/main/java/awais/instagrabber/fragments/PostViewV2Fragment.java

@@ -24,7 +24,6 @@ import android.util.Log;
 import android.view.GestureDetector;
 import android.view.Gravity;
 import android.view.LayoutInflater;
-import android.view.Menu;
 import android.view.MenuItem;
 import android.view.MotionEvent;
 import android.view.View;
@@ -132,8 +131,10 @@ public class PostViewV2Fragment extends SharedElementTransitionDialogFragment im
     private PostViewV2ViewModel viewModel;
     private PopupMenu optionsPopup;
     private EditTextDialogFragment editTextDialogFragment;
-
+    private boolean wasDeleted;
     private MutableLiveData<Object> backStackSavedStateResultLiveData;
+    private OnDeleteListener onDeleteListener;
+
     private final Observer<Object> backStackSavedStateObserver = result -> {
         if (result == null) return;
         if (result instanceof String) {
@@ -196,6 +197,15 @@ public class PostViewV2Fragment extends SharedElementTransitionDialogFragment im
         this.onShowListener = onShowListener;
     }
 
+    public void setOnDeleteListener(final OnDeleteListener onDeleteListener) {
+        if (onDeleteListener == null) return;
+        this.onDeleteListener = onDeleteListener;
+    }
+
+    public interface OnDeleteListener {
+        void onDelete();
+    }
+
     public static class Builder {
         private final Media feedModel;
         private View profilePicElement;
@@ -540,7 +550,7 @@ public class PostViewV2Fragment extends SharedElementTransitionDialogFragment im
         viewModel.getSaved().observe(getViewLifecycleOwner(), this::setSavedResources);
         viewModel.getOptions().observe(getViewLifecycleOwner(), options -> binding.getRoot().post(() -> {
             setupOptions(options != null && !options.isEmpty());
-            createOptionsPopupMenu(options);
+            createOptionsPopupMenu();
         }));
     }
 
@@ -1375,30 +1385,73 @@ public class PostViewV2Fragment extends SharedElementTransitionDialogFragment im
         });
     }
 
-    private void createOptionsPopupMenu(final List<Integer> options) {
+    private void createOptionsPopupMenu() {
-        if (options == null) return;
         if (optionsPopup == null) {
             final ContextThemeWrapper themeWrapper = new ContextThemeWrapper(context, R.style.popupMenuStyle);
             optionsPopup = new PopupMenu(themeWrapper, binding.options);
+        } else {
+            optionsPopup.getMenu().clear();
         }
         optionsPopup.getMenuInflater().inflate(R.menu.post_view_menu, optionsPopup.getMenu());
-        final Menu menu = optionsPopup.getMenu();
+        // final Menu menu = optionsPopup.getMenu();
-        final int size = menu.size();
+        // final int size = menu.size();
-        for (int i = 0; i < size; i++) {
+        // for (int i = 0; i < size; i++) {
-            final MenuItem item = menu.getItem(i);
+        //     final MenuItem item = menu.getItem(i);
-            if (item == null) continue;
+        //     if (item == null) continue;
-            if (options.contains(item.getItemId())) continue;
+        //     if (options.contains(item.getItemId())) continue;
-            menu.removeItem(item.getItemId());
+        //     menu.removeItem(item.getItemId());
-        }
+        // }
         optionsPopup.setOnMenuItemClickListener(item -> {
             int itemId = item.getItemId();
             if (itemId == R.id.edit_caption) {
                 showCaptionEditDialog();
+                return true;
+            }
+            if (itemId == R.id.delete) {
+                item.setEnabled(false);
+                final LiveData<Resource<Object>> resourceLiveData = viewModel.delete();
+                handleDeleteResource(resourceLiveData, item);
             }
             return true;
         });
     }
 
+    private void handleDeleteResource(final LiveData<Resource<Object>> resourceLiveData, final MenuItem item) {
+        if (resourceLiveData == null) return;
+        resourceLiveData.observe(getViewLifecycleOwner(), new Observer<Resource<Object>>() {
+            @Override
+            public void onChanged(final Resource<Object> resource) {
+                try {
+                    switch (resource.status) {
+                        case SUCCESS:
+                            wasDeleted = true;
+                            if (onDeleteListener != null) {
+                                onDeleteListener.onDelete();
+                            }
+                            break;
+                        case ERROR:
+                            if (item != null) {
+                                item.setEnabled(true);
+                            }
+                            final Snackbar snackbar = Snackbar.make(binding.getRoot(),
+                                                                    R.string.delete_unsuccessful,
+                                                                    Snackbar.LENGTH_INDEFINITE);
+                            snackbar.setAction(R.string.ok, null);
+                            snackbar.show();
+                            break;
+                        case LOADING:
+                            if (item != null) {
+                                item.setEnabled(false);
+                            }
+                            break;
+                    }
+                } finally {
+                    resourceLiveData.removeObserver(this);
+                }
+            }
+        });
+    }
+
     private void showCaptionEditDialog() {
         final Caption caption = viewModel.getCaption().getValue();
         final String captionText = caption != null ? caption.getText() : null;
@@ -1561,4 +1614,8 @@ public class PostViewV2Fragment extends SharedElementTransitionDialogFragment im
         }
         return navController;
     }
+
+    public boolean wasDeleted() {
+        return wasDeleted;
+    }
 }

app/src/main/java/awais/instagrabber/fragments/main/ProfileFragment.java

@@ -258,7 +258,12 @@ public class ProfileFragment extends Fragment implements SwipeRefreshLayout.OnRe
                 builder.setSharedProfilePicElement(profilePicView)
                        .setSharedMainPostElement(mainPostImage);
             }
-            builder.build().show(getChildFragmentManager(), "post_view");
+            final PostViewV2Fragment postViewV2Fragment = builder.build();
+            postViewV2Fragment.setOnDeleteListener(() -> {
+                postViewV2Fragment.dismiss();
+                binding.postsRecyclerView.refresh();
+            });
+            postViewV2Fragment.show(getChildFragmentManager(), "post_view");
         }
     };
     private final FeedAdapterV2.SelectionModeCallback selectionModeCallback = new FeedAdapterV2.SelectionModeCallback() {
@@ -1086,7 +1091,7 @@ public class ProfileFragment extends Fragment implements SwipeRefreshLayout.OnRe
                 fragmentActivity.navigateToThread(thread.getThreadId(), profileModel.getUsername());
                 profileDetailsBinding.btnDM.setEnabled(true);
             }).execute();
-         });
+        });
         profileDetailsBinding.mainProfileImage.setOnClickListener(v -> {
             if (!hasStories) {
                 // show profile pic
@@ -1160,7 +1165,7 @@ public class ProfileFragment extends Fragment implements SwipeRefreshLayout.OnRe
     }
 
     private void updateSwipeRefreshState() {
-        Log.d("austin_debug", "usrs: "+binding.postsRecyclerView.isFetching());
+        Log.d("austin_debug", "usrs: " + binding.postsRecyclerView.isFetching());
         binding.swipeRefreshLayout.setRefreshing(binding.postsRecyclerView.isFetching());
     }
 

app/src/main/java/awais/instagrabber/repositories/MediaRepository.java

@@ -11,6 +11,7 @@ import retrofit2.http.GET;
 import retrofit2.http.Header;
 import retrofit2.http.POST;
 import retrofit2.http.Path;
+import retrofit2.http.Query;
 import retrofit2.http.QueryMap;
 
 public interface MediaRepository {
@@ -60,4 +61,15 @@ public interface MediaRepository {
     Call<String> uploadFinish(@Header("retry_context") final String retryContext,
                               @QueryMap Map<String, String> queryParams,
                               @FieldMap final Map<String, String> signedForm);
+
+    @FormUrlEncoded
+    @POST("/api/v1/media/{mediaId}/delete/")
+    Call<String> delete(@Path("mediaId") final String mediaId,
+                        @Query("media_type") final String mediaType,
+                        @FieldMap final Map<String, String> signedForm);
+
+    @FormUrlEncoded
+    @POST("/api/v1/media/{mediaId}/archive/")
+    Call<String> archive(@Path("mediaId") final String mediaId,
+                         @FieldMap final Map<String, String> signedForm);
 }

app/src/main/java/awais/instagrabber/viewmodels/PostViewV2ViewModel.java

@@ -24,6 +24,9 @@ import awais.instagrabber.utils.CookieUtils;
 import awais.instagrabber.utils.TextUtils;
 import awais.instagrabber.webservices.MediaService;
 import awais.instagrabber.webservices.ServiceCallback;
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
 
 import static awais.instagrabber.utils.Utils.settingsHelper;
 
@@ -75,6 +78,7 @@ public class PostViewV2ViewModel extends ViewModel {
         final ImmutableList.Builder<Integer> builder = ImmutableList.builder();
         if (isLoggedIn && media.getUser() != null && media.getUser().getPk() == viewerId) {
             builder.add(R.id.edit_caption);
+            builder.add(R.id.delete);
         }
         options.postValue(builder.build());
     }
@@ -290,4 +294,36 @@ public class PostViewV2ViewModel extends ViewModel {
     public void setViewCount(final Long viewCount) {
         this.viewCount.postValue(viewCount);
     }
+
+    public LiveData<Resource<Object>> delete() {
+        final MutableLiveData<Resource<Object>> data = new MutableLiveData<>();
+        data.postValue(Resource.loading(null));
+        final Call<String> request = mediaService.delete(media.getId(), media.getMediaType());
+        if (request == null) {
+            data.postValue(Resource.success(new Object()));
+            return data;
+        }
+        request.enqueue(new Callback<String>() {
+            @Override
+            public void onResponse(@NonNull final Call<String> call, @NonNull final Response<String> response) {
+                if (!response.isSuccessful()) {
+                    data.postValue(Resource.error(R.string.generic_null_response, null));
+                    return;
+                }
+                final String body = response.body();
+                if (body == null) {
+                    data.postValue(Resource.error(R.string.generic_null_response, null));
+                    return;
+                }
+                data.postValue(Resource.success(new Object()));
+            }
+
+            @Override
+            public void onFailure(@NonNull final Call<String> call, @NonNull final Throwable t) {
+                Log.e(TAG, "onFailure: ", t);
+                data.postValue(Resource.error(t.getMessage(), null));
+            }
+        });
+        return data;
+    }
 }

app/src/main/java/awais/instagrabber/webservices/MediaService.java

@@ -5,6 +5,7 @@ import android.util.Log;
 
 import androidx.annotation.NonNull;
 
+import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
 
 import org.json.JSONException;
@@ -17,6 +18,7 @@ import java.util.Map;
 import java.util.Objects;
 import java.util.UUID;
 
+import awais.instagrabber.models.enums.MediaItemType;
 import awais.instagrabber.repositories.MediaRepository;
 import awais.instagrabber.repositories.requests.UploadFinishOptions;
 import awais.instagrabber.repositories.responses.LikersResponse;
@@ -33,6 +35,9 @@ import retrofit2.Retrofit;
 
 public class MediaService extends BaseService {
     private static final String TAG = "MediaService";
+    private static final List<MediaItemType> DELETABLE_ITEMS_TYPES = ImmutableList.of(MediaItemType.MEDIA_TYPE_IMAGE,
+                                                                                      MediaItemType.MEDIA_TYPE_VIDEO,
+                                                                                      MediaItemType.MEDIA_TYPE_SLIDER);
 
     private final MediaRepository repository;
     private final String deviceUuid, csrfToken;
@@ -444,4 +449,31 @@ public class MediaService extends BaseService {
         final Map<String, String> signedForm = Utils.sign(formBuilder.build());
         return repository.uploadFinish(MediaUploadHelper.getRetryContextString(), queryMap, signedForm);
     }
+
+    public Call<String> delete(@NonNull final String postId,
+                               @NonNull final MediaItemType type) {
+        if (!DELETABLE_ITEMS_TYPES.contains(type)) return null;
+        final Map<String, Object> form = new HashMap<>();
+        form.put("_csrftoken", csrfToken);
+        form.put("_uid", userId);
+        form.put("_uuid", deviceUuid);
+        form.put("igtv_feed_preview", "false");
+        form.put("media_id", postId);
+        final Map<String, String> signedForm = Utils.sign(form);
+        final String mediaType;
+        switch (type) {
+            case MEDIA_TYPE_IMAGE:
+                mediaType = "PHOTO";
+                break;
+            case MEDIA_TYPE_VIDEO:
+                mediaType = "VIDEO";
+                break;
+            case MEDIA_TYPE_SLIDER:
+                mediaType = "CAROUSEL";
+                break;
+            default:
+                return null;
+        }
+        return repository.delete(postId, mediaType, signedForm);
+    }
 }

app/src/main/res/menu/post_view_menu.xml

@@ -3,4 +3,7 @@
     <item
         android:id="@+id/edit_caption"
         android:title="@string/edit_caption" />
+    <item
+        android:id="@+id/delete"
+        android:title="@string/delete" />
 </menu>

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

@@ -467,4 +467,5 @@
     <string name="generic_not_ok_response">Response status is not ok!</string>
     <string name="generic_failed_request">Request failed!</string>
     <string name="marked_as_seen">Marked as seen</string>
+    <string name="delete_unsuccessful">Delete unsuccessful</string>
 </resources>