edit post caption (just basic design, still WIP)

app/src/main/java/awais/instagrabber/adapters/PostViewAdapter.java

@@ -1,75 +0,0 @@
-// package awais.instagrabber.adapters;
-//
-// import android.view.LayoutInflater;
-// import android.view.View;
-// import android.view.ViewGroup;
-//
-// import androidx.annotation.NonNull;
-// import androidx.recyclerview.widget.DiffUtil;
-// import androidx.recyclerview.widget.ListAdapter;
-//
-// import awais.instagrabber.adapters.viewholder.PostViewerViewHolder;
-// import awais.instagrabber.databinding.ItemFullPostViewBinding;
-// import awais.instagrabber.interfaces.MentionClickListener;
-// import awais.instagrabber.models.ViewerPostModelWrapper;
-//
-// public class PostViewAdapter extends ListAdapter<ViewerPostModelWrapper, PostViewerViewHolder> {
-//     private final OnPostViewChildViewClickListener clickListener;
-//     private final OnPostCaptionLongClickListener longClickListener;
-//     private final MentionClickListener mentionClickListener;
-//
-//     private static final DiffUtil.ItemCallback<ViewerPostModelWrapper> diffCallback = new DiffUtil.ItemCallback<ViewerPostModelWrapper>() {
-//         @Override
-//         public boolean areItemsTheSame(@NonNull final ViewerPostModelWrapper oldItem,
-//                                        @NonNull final ViewerPostModelWrapper newItem) {
-//             return oldItem.getPosition() == newItem.getPosition();
-//         }
-//
-//         @Override
-//         public boolean areContentsTheSame(@NonNull final ViewerPostModelWrapper oldItem,
-//                                           @NonNull final ViewerPostModelWrapper newItem) {
-//             return oldItem.getViewerPostModels().equals(newItem.getViewerPostModels());
-//         }
-//     };
-//
-//     public PostViewAdapter(final OnPostViewChildViewClickListener clickListener,
-//                            final OnPostCaptionLongClickListener longClickListener,
-//                            final MentionClickListener mentionClickListener) {
-//         super(diffCallback);
-//         this.clickListener = clickListener;
-//         this.longClickListener = longClickListener;
-//         this.mentionClickListener = mentionClickListener;
-//     }
-//
-//     @Override
-//     public void onViewDetachedFromWindow(@NonNull final PostViewerViewHolder holder) {
-//         holder.stopPlayingVideo();
-//     }
-//
-//     @NonNull
-//     @Override
-//     public PostViewerViewHolder onCreateViewHolder(@NonNull final ViewGroup parent,
-//                                                    final int viewType) {
-//         final LayoutInflater layoutInflater = LayoutInflater.from(parent.getContext());
-//         final ItemFullPostViewBinding binding = ItemFullPostViewBinding
-//                 .inflate(layoutInflater, parent, false);
-//         return new PostViewerViewHolder(binding);
-//     }
-//
-//     @Override
-//     public void onBindViewHolder(@NonNull final PostViewerViewHolder holder, final int position) {
-//         final ViewerPostModelWrapper item = getItem(position);
-//         holder.bind(item, position, clickListener, longClickListener, mentionClickListener);
-//     }
-//
-//     public interface OnPostViewChildViewClickListener {
-//         void onClick(View v,
-//                      ViewerPostModelWrapper viewerPostModelWrapper,
-//                      int postPosition,
-//                      int childPosition);
-//     }
-//
-//     public interface OnPostCaptionLongClickListener {
-//         void onLongClick(String text);
-//     }
-// }

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

@@ -26,6 +26,7 @@ import android.view.ViewGroup;
 import android.view.ViewTreeObserver;
 import android.view.Window;
 import android.view.WindowManager;
+import android.widget.EditText;
 import android.widget.FrameLayout;
 import android.widget.ScrollView;
 import android.widget.Toast;
@@ -33,6 +34,7 @@ import android.widget.ViewSwitcher;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.appcompat.app.AlertDialog;
 import androidx.constraintlayout.widget.ConstraintLayout;
 import androidx.core.content.PermissionChecker;
 import androidx.core.view.ViewCompat;
@@ -114,6 +116,7 @@ public class PostViewV2Fragment extends SharedElementTransitionDialogFragment {
     private DialogInterface.OnShowListener onShowListener;
     private boolean isLoggedIn;
     private boolean hasBeenToggled = false;
+    private CharSequence postCaption = null;
 
     private final VerticalDragHelper.OnVerticalDragListener onVerticalDragListener = new VerticalDragHelper.OnVerticalDragListener() {
 
@@ -415,8 +418,7 @@ public class PostViewV2Fragment extends SharedElementTransitionDialogFragment {
 
     private void init() {
         if (feedModel == null) return;
-        final String cookie = settingsHelper.getString(Constants.COOKIE);
-        isLoggedIn = !TextUtils.isEmpty(cookie) && CookieUtils.getUserIdFromCookie(cookie) != null;
+        isLoggedIn = !TextUtils.isEmpty(COOKIE) && CookieUtils.getUserIdFromCookie(COOKIE) != null;
         if (!wasPaused && (sharedProfilePicElement != null || sharedMainPostElement != null)) {
             binding.getRoot().getBackground().mutate().setAlpha(0);
         }
@@ -710,14 +712,51 @@ public class PostViewV2Fragment extends SharedElementTransitionDialogFragment {
     }
 
     private void setupCaption() {
-        final CharSequence postCaption = feedModel.getPostCaption();
+        if (postCaption == null) postCaption = feedModel.getPostCaption();
         binding.date.setText(Utils.datetimeParser.format(new Date(feedModel.getTimestamp() * 1000L)));
-        if (TextUtils.isEmpty(postCaption)) {
+        if (!feedModel.getProfileModel().getId().equals(CookieUtils.getUserIdFromCookie(COOKIE)) && TextUtils.isEmpty(postCaption)) {
             binding.caption.setVisibility(View.GONE);
             binding.translateTitle.setVisibility(View.GONE);
             binding.captionToggle.setVisibility(View.GONE);
             return;
         }
+        if (feedModel.getProfileModel().getId().equals(CookieUtils.getUserIdFromCookie(COOKIE))) {
+            binding.editCaption.setVisibility(View.VISIBLE);
+            binding.editCaption.setOnClickListener(v -> {
+                final EditText input = new EditText(context);
+                input.setText(postCaption);
+                new AlertDialog.Builder(context)
+                        .setTitle(R.string.edit_caption)
+                        .setView(input)
+                        .setPositiveButton(R.string.confirm, (d, w) -> {
+                            binding.editCaption.setVisibility(View.GONE);
+                            mediaService.editCaption(
+                                    feedModel.getPostId(),
+                                    CookieUtils.getUserIdFromCookie(COOKIE),
+                                    input.getText().toString(),
+                                    CookieUtils.getCsrfTokenFromCookie(COOKIE),
+                                    new ServiceCallback<Boolean>() {
+                                        @Override
+                                        public void onSuccess(final Boolean result) {
+                                            binding.editCaption.setVisibility(View.VISIBLE);
+                                            if (result) {
+                                                binding.caption.setText(input.getText().toString());
+                                            }
+                                            else Toast.makeText(context, R.string.downloader_unknown_error, Toast.LENGTH_SHORT).show();
+                                        }
+
+                                        @Override
+                                        public void onFailure(final Throwable t) {
+                                            Log.e(TAG, "Error editing caption", t);
+                                            Toast.makeText(context, R.string.downloader_unknown_error, Toast.LENGTH_SHORT).show();
+                                            binding.editCaption.setVisibility(View.VISIBLE);
+                                        }
+                                    });
+                        })
+                        .setNegativeButton(R.string.cancel, null)
+                        .show();
+            });
+        }
         binding.caption.addOnHashtagListener(autoLinkItem -> {
             final NavController navController = NavHostFragment.findNavController(this);
             final Bundle bundle = new Bundle();

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

@@ -41,6 +41,11 @@ public interface MediaRepository {
     Call<String> commentUnlike(@Path("commentId") final String commentId,
                                @FieldMap final Map<String, String> signedForm);
 
+    @FormUrlEncoded
+    @POST("/api/v1/media/{mediaId}/edit_media/")
+    Call<String> editCaption(@Path("mediaId") final String mediaId,
+                             @FieldMap final Map<String, String> signedForm);
+
     @GET("/api/v1/language/translate/")
     Call<String> translate(@QueryMap final Map<String, String> form);
 }

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

@@ -16,4 +16,12 @@ public class BasePostViewModel<T extends BasePostModel> extends ViewModel {
         }
         return list;
     }
+
+    public void edit(int index, T post) {
+
+    }
+
+    public void delete(int index) {
+
+    }
 }

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

@@ -281,6 +281,47 @@ public class MediaService extends BaseService {
         });
     }
 
+    public void editCaption(final String postId,
+                            final String userId,
+                            final String newCaption,
+                            @NonNull final String csrfToken,
+                            @NonNull final ServiceCallback<Boolean> callback) {
+        final Map<String, Object> form = new HashMap<>();
+        form.put("_csrftoken", csrfToken);
+        form.put("_uid", userId);
+        form.put("_uuid", UUID.randomUUID().toString());
+        form.put("igtv_feed_preview", "false");
+        form.put("media_id", postId);
+        form.put("caption_text", newCaption);
+        final Map<String, String> signedForm = Utils.sign(form);
+        final Call<String> request = repository.editCaption(postId, signedForm);
+        request.enqueue(new Callback<String>() {
+            @Override
+            public void onResponse(@NonNull final Call<String> call, @NonNull final Response<String> response) {
+                final String body = response.body();
+                if (body == null) {
+                    Log.e(TAG, "Error occurred while editing caption");
+                    callback.onSuccess(false);
+                    return;
+                }
+                try {
+                    final JSONObject jsonObject = new JSONObject(body);
+                    final String status = jsonObject.optString("status");
+                    callback.onSuccess(status.equals("ok"));
+                } catch (JSONException e) {
+                    // Log.e(TAG, "Error parsing body", e);
+                    callback.onFailure(e);
+                }
+            }
+
+            @Override
+            public void onFailure(@NonNull final Call<String> call, @NonNull final Throwable t) {
+                Log.e(TAG, "Error editing caption", t);
+                callback.onFailure(t);
+            }
+        });
+    }
+
     public void fetchLikes(final String mediaId,
                            @NonNull final ServiceCallback<List<ProfileModel>> callback) {
         final Call<String> likesRequest = repository.fetchLikes(mediaId);

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

@@ -180,14 +180,30 @@
                         app:layout_constraintBottom_toTopOf="@id/translateTitle"
                         tools:text="Text text text" />
 
+                    <androidx.appcompat.widget.AppCompatTextView
+                        android:id="@+id/editCaption"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:layout_marginTop="8dp"
+                        android:layout_marginLeft="16dp"
+                        android:background="@null"
+                        android:gravity="center_vertical"
+                        android:text="@string/edit_caption"
+                        android:textColor="?android:textColorSecondary"
+                        android:textSize="16dp"
+                        android:visibility="gone"
+                        app:layout_constraintBottom_toTopOf="@id/translatedCaption"
+                        app:layout_constraintTop_toBottomOf="@id/caption" />
+
                     <androidx.appcompat.widget.AppCompatTextView
                         android:id="@+id/translateTitle"
                         android:layout_width="match_parent"
                         android:layout_height="wrap_content"
+                        android:layout_marginTop="8dp"
+                        android:layout_marginLeft="16dp"
                         android:background="@null"
                         android:visibility="visible"
                         android:gravity="center_vertical"
-                        android:padding="16dp"
                         app:layout_constraintTop_toBottomOf="@id/caption"
                         app:layout_constraintBottom_toTopOf="@id/translatedCaption"
                         android:text="@string/translate_caption"

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

@@ -292,6 +292,7 @@
     <string name="apply">Apply</string>
     <string name="save">Save</string>
     <string name="caption">Caption</string>
+    <string name="edit_caption">Edit caption...</string>
     <string name="translate_caption">Translate caption...</string>
     <string name="player_timeline_desc">Video player timeline</string>
     <string name="one_x" translatable="false">1x</string>