convert HashtagFetcher

app/src/main/java/awais/instagrabber/activities/MainActivity.java

@@ -714,7 +714,7 @@ public class MainActivity extends BaseLanguageActivity implements FragmentManage
         final NavController navController = currentNavControllerLiveData.getValue();
         if (navController == null) return;
         final Bundle bundle = new Bundle();
-        bundle.putString("hashtag", "#" + hashtag);
+        bundle.putString("hashtag", hashtag);
         navController.navigate(R.id.action_global_hashTagFragment, bundle);
     }
 

app/src/main/java/awais/instagrabber/asyncs/HashtagFetcher.java

@@ -1,102 +0,0 @@
-package awais.instagrabber.asyncs;
-
-import android.os.AsyncTask;
-import android.util.Log;
-
-import androidx.annotation.Nullable;
-
-import org.json.JSONArray;
-import org.json.JSONObject;
-
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.net.HttpURLConnection;
-import java.net.URL;
-
-import awais.instagrabber.BuildConfig;
-import awais.instagrabber.interfaces.FetchListener;
-import awais.instagrabber.models.HashtagModel;
-import awais.instagrabber.utils.Constants;
-import awais.instagrabber.utils.NetworkUtils;
-//import awaisomereport.LogCollector;
-
-//import static awais.instagrabber.utils.Utils.logCollector;
-
-public final class HashtagFetcher extends AsyncTask<Void, Void, HashtagModel> {
-    private static final String TAG = "HashtagFetcher";
-
-    private final FetchListener<HashtagModel> fetchListener;
-    private final String hashtag;
-
-    public HashtagFetcher(String hashtag, FetchListener<HashtagModel> fetchListener) {
-        this.hashtag = hashtag;
-        this.fetchListener = fetchListener;
-    }
-
-    @Nullable
-    @Override
-    protected HashtagModel doInBackground(final Void... voids) {
-        HashtagModel result = null;
-
-        try {
-            final HttpURLConnection conn = (HttpURLConnection) new URL("https://www.instagram.com/explore/tags/" + hashtag + "/?__a=1")
-                    .openConnection();
-            conn.setUseCaches(true);
-            conn.connect();
-
-            if (conn.getResponseCode() == HttpURLConnection.HTTP_OK) {
-                final JSONObject user = new JSONObject(NetworkUtils.readFromConnection(conn)).getJSONObject("graphql")
-                                                                                             .getJSONObject(Constants.EXTRAS_HASHTAG);
-
-                final JSONObject timelineMedia = user.getJSONObject("edge_hashtag_to_media");
-                if (timelineMedia.has("edges")) {
-                    final JSONArray edges = timelineMedia.getJSONArray("edges");
-                }
-
-                result = new HashtagModel(
-                        user.getString(Constants.EXTRAS_ID),
-                        user.getString("name"),
-                        user.getString("profile_pic_url"),
-                        timelineMedia.getLong("count"),
-                        user.optBoolean("is_following"));
-            } else {
-                BufferedReader bufferedReader = null;
-                try {
-                    final InputStream responseInputStream = conn.getErrorStream();
-                    bufferedReader = new BufferedReader(new InputStreamReader(responseInputStream));
-                    final StringBuilder builder = new StringBuilder();
-                    for (String line = bufferedReader.readLine(); line != null; line = bufferedReader.readLine()) {
-                        if (builder.length() != 0) {
-                            builder.append("\n");
-                        }
-                        builder.append(line);
-                    }
-                    Log.d(TAG, "doInBackground: " + builder.toString());
-                } finally {
-                    if (bufferedReader != null) {
-                        try {
-                            bufferedReader.close();
-                        } catch (IOException ignored) {
-                        }
-                    }
-                }
-            }
-
-            conn.disconnect();
-        } catch (final Exception e) {
-//            if (logCollector != null)
-//                logCollector.appendException(e, LogCollector.LogFile.ASYNC_HASHTAG_FETCHER, "doInBackground");
-            if (BuildConfig.DEBUG) Log.e(TAG, "", e);
-            if (fetchListener != null) fetchListener.onFailure(e);
-        }
-
-        return result;
-    }
-
-    @Override
-    protected void onPostExecute(final HashtagModel result) {
-        if (fetchListener != null) fetchListener.onResult(result);
-    }
-}

app/src/main/java/awais/instagrabber/asyncs/HashtagPostFetchService.java

@@ -4,7 +4,7 @@ import java.util.List;
 
 import awais.instagrabber.customviews.helpers.PostFetcher;
 import awais.instagrabber.interfaces.FetchListener;
-import awais.instagrabber.models.HashtagModel;
+import awais.instagrabber.repositories.responses.Hashtag;
 import awais.instagrabber.repositories.responses.Media;
 import awais.instagrabber.repositories.responses.PostsFetchResponse;
 import awais.instagrabber.webservices.GraphQLService;
@@ -14,12 +14,12 @@ import awais.instagrabber.webservices.TagsService;
 public class HashtagPostFetchService implements PostFetcher.PostFetchService {
     private final TagsService tagsService;
     private final GraphQLService graphQLService;
-    private final HashtagModel hashtagModel;
+    private final Hashtag hashtagModel;
     private String nextMaxId;
     private boolean moreAvailable;
     private final boolean isLoggedIn;
 
-    public HashtagPostFetchService(final HashtagModel hashtagModel, final boolean isLoggedIn) {
+    public HashtagPostFetchService(final Hashtag hashtagModel, final boolean isLoggedIn) {
         this.hashtagModel = hashtagModel;
         this.isLoggedIn = isLoggedIn;
         tagsService = isLoggedIn ? TagsService.getInstance() : null;

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

@@ -43,7 +43,6 @@ import java.util.Set;
 import awais.instagrabber.R;
 import awais.instagrabber.activities.MainActivity;
 import awais.instagrabber.adapters.FeedAdapterV2;
-import awais.instagrabber.asyncs.HashtagFetcher;
 import awais.instagrabber.asyncs.HashtagPostFetchService;
 import awais.instagrabber.asyncs.PostFetcher;
 import awais.instagrabber.customviews.PrimaryActionModeCallback;
@@ -54,12 +53,12 @@ import awais.instagrabber.db.entities.Favorite;
 import awais.instagrabber.db.repositories.FavoriteRepository;
 import awais.instagrabber.db.repositories.RepositoryCallback;
 import awais.instagrabber.dialogs.PostsLayoutPreferencesDialogFragment;
-import awais.instagrabber.interfaces.FetchListener;
-import awais.instagrabber.models.HashtagModel;
 import awais.instagrabber.models.PostsLayoutPreferences;
 import awais.instagrabber.models.StoryModel;
 import awais.instagrabber.models.enums.FavoriteType;
+import awais.instagrabber.models.enums.FollowingType;
 import awais.instagrabber.repositories.requests.StoryViewerOptions;
+import awais.instagrabber.repositories.responses.Hashtag;
 import awais.instagrabber.repositories.responses.Location;
 import awais.instagrabber.repositories.responses.Media;
 import awais.instagrabber.utils.Constants;
@@ -67,16 +66,18 @@ import awais.instagrabber.utils.CookieUtils;
 import awais.instagrabber.utils.DownloadUtils;
 import awais.instagrabber.utils.TextUtils;
 import awais.instagrabber.utils.Utils;
+import awais.instagrabber.webservices.GraphQLService;
 import awais.instagrabber.webservices.ServiceCallback;
 import awais.instagrabber.webservices.StoriesService;
 import awais.instagrabber.webservices.TagsService;
-//import awaisomereport.LogCollector;
 
 import static androidx.core.content.PermissionChecker.checkSelfPermission;
 import static awais.instagrabber.utils.DownloadUtils.WRITE_PERMISSION;
-//import static awais.instagrabber.utils.Utils.logCollector;
 import static awais.instagrabber.utils.Utils.settingsHelper;
 
+//import awaisomereport.LogCollector;
+//import static awais.instagrabber.utils.Utils.logCollector;
+
 public class HashTagFragment extends Fragment implements SwipeRefreshLayout.OnRefreshListener {
     private static final String TAG = "HashTagFragment";
     private static final int STORAGE_PERM_REQUEST_CODE = 8020;
@@ -91,12 +92,13 @@ public class HashTagFragment extends Fragment implements SwipeRefreshLayout.OnRe
     private boolean hasStories = false;
     private boolean opening = false;
     private String hashtag;
-    private HashtagModel hashtagModel = null;
+    private Hashtag hashtagModel = null;
     private ActionMode actionMode;
     private StoriesService storiesService;
     private AsyncTask<?, ?, ?> currentlyExecuting;
     private boolean isLoggedIn;
     private TagsService tagsService;
+    private GraphQLService graphQLService;
     private boolean storiesFetching;
     private Set<Media> selectedFeedModels;
     private Media downloadFeedModel;
@@ -270,13 +272,29 @@ public class HashTagFragment extends Fragment implements SwipeRefreshLayout.OnRe
             }
         }
     };
+    private final ServiceCallback<Hashtag> cb = new ServiceCallback<Hashtag>() {
+        @Override
+        public void onSuccess(final Hashtag result) {
+            hashtagModel = result;
+            binding.swipeRefreshLayout.setRefreshing(false);
+            setHashtagDetails();
+        }
+
+        @Override
+        public void onFailure(final Throwable t) {
+            setHashtagDetails();
+        }
+    };
 
     @Override
     public void onCreate(@Nullable final Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         fragmentActivity = (MainActivity) requireActivity();
-        tagsService = TagsService.getInstance();
+        final String cookie = settingsHelper.getString(Constants.COOKIE);
-        storiesService = StoriesService.getInstance(null, 0L, null);
+        isLoggedIn = !TextUtils.isEmpty(cookie) && CookieUtils.getUserIdFromCookie(cookie) > 0;
+        tagsService = isLoggedIn ? TagsService.getInstance() : null;
+        storiesService = isLoggedIn ? StoriesService.getInstance(null, 0L, null) : null;
+        graphQLService = isLoggedIn ? null : GraphQLService.getInstance();
         setHasOptionsMenu(true);
     }
 
@@ -358,29 +376,15 @@ public class HashTagFragment extends Fragment implements SwipeRefreshLayout.OnRe
 
     private void init() {
         if (getArguments() == null) return;
-        final String cookie = settingsHelper.getString(Constants.COOKIE);
-        isLoggedIn = !TextUtils.isEmpty(cookie) && CookieUtils.getUserIdFromCookie(cookie) > 0;
         final HashTagFragmentArgs fragmentArgs = HashTagFragmentArgs.fromBundle(getArguments());
         hashtag = fragmentArgs.getHashtag();
         fetchHashtagModel();
     }
 
     private void fetchHashtagModel() {
-        stopCurrentExecutor();
         binding.swipeRefreshLayout.setRefreshing(true);
-        currentlyExecuting = new HashtagFetcher(hashtag.substring(1), new FetchListener<HashtagModel>() {
+        if (isLoggedIn) tagsService.fetch(hashtag, cb);
-            @Override
+        else graphQLService.fetchTag(hashtag, cb);
-            public void onResult(final HashtagModel result) {
-                hashtagModel = result;
-                binding.swipeRefreshLayout.setRefreshing(false);
-                setHashtagDetails();
-            }
-
-            @Override
-            public void onFailure(Throwable t) {
-                setHashtagDetails();
-            }
-        }).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
     }
 
     private void setupPosts() {
@@ -409,8 +413,10 @@ public class HashTagFragment extends Fragment implements SwipeRefreshLayout.OnRe
         fetchStories();
         if (isLoggedIn) {
             hashtagDetailsBinding.btnFollowTag.setVisibility(View.VISIBLE);
-            hashtagDetailsBinding.btnFollowTag.setText(hashtagModel.getFollowing() ? R.string.unfollow : R.string.follow);
+            hashtagDetailsBinding.btnFollowTag.setText(hashtagModel.getFollowing() == FollowingType.FOLLOWING
-            hashtagDetailsBinding.btnFollowTag.setChipIconResource(hashtagModel.getFollowing()
+                                                       ? R.string.unfollow
+                                                       : R.string.follow);
+            hashtagDetailsBinding.btnFollowTag.setChipIconResource(hashtagModel.getFollowing() == FollowingType.FOLLOWING
                                                                    ? R.drawable.ic_outline_person_add_disabled_24
                                                                    : R.drawable.ic_outline_person_add_24);
             hashtagDetailsBinding.btnFollowTag.setOnClickListener(v -> {
@@ -420,36 +426,12 @@ public class HashTagFragment extends Fragment implements SwipeRefreshLayout.OnRe
                 final String deviceUuid = Utils.settingsHelper.getString(Constants.DEVICE_UUID);
                 if (csrfToken != null && userId != 0 && deviceUuid != null) {
                     hashtagDetailsBinding.btnFollowTag.setClickable(false);
-                    if (!hashtagModel.getFollowing()) {
+                    tagsService.changeFollow(hashtagModel.getFollowing() == FollowingType.FOLLOWING ? "unfollow" : "follow",
-                        tagsService.follow(hashtag.substring(1), csrfToken, userId, deviceUuid, new ServiceCallback<Boolean>() {
+                                             hashtag,
-                            @Override
+                                             csrfToken,
-                            public void onSuccess(final Boolean result) {
+                                             userId,
-                                hashtagDetailsBinding.btnFollowTag.setClickable(true);
+                                             deviceUuid,
-                                if (!result) {
+                                             new ServiceCallback<Boolean>() {
-                                    Log.e(TAG, "onSuccess: result is false");
-                                    Snackbar.make(root, R.string.downloader_unknown_error, BaseTransientBottomBar.LENGTH_LONG)
-                                            .show();
-                                    return;
-                                }
-                                hashtagDetailsBinding.btnFollowTag.setText(R.string.unfollow);
-                                hashtagDetailsBinding.btnFollowTag.setChipIconResource(R.drawable.ic_outline_person_add_disabled_24);
-                            }
-
-                            @Override
-                            public void onFailure(@NonNull final Throwable t) {
-                                hashtagDetailsBinding.btnFollowTag.setClickable(true);
-                                Log.e(TAG, "onFailure: ", t);
-                                final String message = t.getMessage();
-                                Snackbar.make(root,
-                                              message != null ? message
-                                                              : getString(R.string.downloader_unknown_error),
-                                              BaseTransientBottomBar.LENGTH_LONG)
-                                        .show();
-                            }
-                        });
-                        return;
-                    }
-                    tagsService.unfollow(hashtag.substring(1), csrfToken, userId, deviceUuid, new ServiceCallback<Boolean>() {
                         @Override
                         public void onSuccess(final Boolean result) {
                             hashtagDetailsBinding.btnFollowTag.setClickable(true);
@@ -459,8 +441,8 @@ public class HashTagFragment extends Fragment implements SwipeRefreshLayout.OnRe
                                         .show();
                                 return;
                             }
-                            hashtagDetailsBinding.btnFollowTag.setText(R.string.follow);
+                            hashtagDetailsBinding.btnFollowTag.setText(R.string.unfollow);
-                            hashtagDetailsBinding.btnFollowTag.setChipIconResource(R.drawable.ic_outline_person_add_24);
+                            hashtagDetailsBinding.btnFollowTag.setChipIconResource(R.drawable.ic_outline_person_add_disabled_24);
                         }
 
                         @Override
@@ -475,6 +457,7 @@ public class HashTagFragment extends Fragment implements SwipeRefreshLayout.OnRe
                                     .show();
                         }
                     });
+                    return;
                 }
             });
         } else {
@@ -482,15 +465,15 @@ public class HashTagFragment extends Fragment implements SwipeRefreshLayout.OnRe
         }
         hashtagDetailsBinding.favChip.setVisibility(View.VISIBLE);
         final FavoriteRepository favoriteRepository = FavoriteRepository.getInstance(FavoriteDataSource.getInstance(getContext()));
-        favoriteRepository.getFavorite(hashtag.substring(1), FavoriteType.HASHTAG, new RepositoryCallback<Favorite>() {
+        favoriteRepository.getFavorite(hashtag, FavoriteType.HASHTAG, new RepositoryCallback<Favorite>() {
             @Override
             public void onSuccess(final Favorite result) {
                 favoriteRepository.insertOrUpdateFavorite(new Favorite(
                         result.getId(),
-                        hashtag.substring(1),
+                        hashtag,
                         FavoriteType.HASHTAG,
                         hashtagModel.getName(),
-                        hashtagModel.getSdProfilePic(),
+                        hashtagModel.getProfilePicUrl(),
                         result.getDateAdded()
                 ), new RepositoryCallback<Void>() {
                     @Override
@@ -511,10 +494,10 @@ public class HashTagFragment extends Fragment implements SwipeRefreshLayout.OnRe
             }
         });
         hashtagDetailsBinding.favChip.setOnClickListener(
-                v -> favoriteRepository.getFavorite(hashtag.substring(1), FavoriteType.HASHTAG, new RepositoryCallback<Favorite>() {
+                v -> favoriteRepository.getFavorite(hashtag, FavoriteType.HASHTAG, new RepositoryCallback<Favorite>() {
                     @Override
                     public void onSuccess(final Favorite result) {
-                        favoriteRepository.deleteFavorite(hashtag.substring(1), FavoriteType.HASHTAG, new RepositoryCallback<Void>() {
+                        favoriteRepository.deleteFavorite(hashtag, FavoriteType.HASHTAG, new RepositoryCallback<Void>() {
                             @Override
                             public void onSuccess(final Void result) {
                                 hashtagDetailsBinding.favChip.setText(R.string.add_to_favorites);
@@ -531,10 +514,10 @@ public class HashTagFragment extends Fragment implements SwipeRefreshLayout.OnRe
                     public void onDataNotAvailable() {
                         favoriteRepository.insertOrUpdateFavorite(new Favorite(
                                 0,
-                                hashtag.substring(1),
+                                hashtag,
                                 FavoriteType.HASHTAG,
                                 hashtagModel.getName(),
-                                hashtagModel.getSdProfilePic(),
+                                hashtagModel.getProfilePicUrl(),
                                 new Date()
                         ), new RepositoryCallback<Void>() {
                             @Override
@@ -549,12 +532,12 @@ public class HashTagFragment extends Fragment implements SwipeRefreshLayout.OnRe
                         });
                     }
                 }));
-        hashtagDetailsBinding.mainHashtagImage.setImageURI(hashtagModel.getSdProfilePic());
+        hashtagDetailsBinding.mainHashtagImage.setImageURI(hashtagModel.getProfilePicUrl());
-        final String postCount = String.valueOf(hashtagModel.getPostCount());
+        final String postCount = String.valueOf(hashtagModel.getMediaCount());
         final SpannableStringBuilder span = new SpannableStringBuilder(getResources().getQuantityString(R.plurals.main_posts_count_inline,
-                                                                                                        hashtagModel.getPostCount() > 2000000000L
+                                                                                                        hashtagModel.getMediaCount() > 2000000000L
                                                                                                         ? 2000000000
-                                                                                                        : hashtagModel.getPostCount().intValue(),
+                                                                                                        : hashtagModel.getMediaCount().intValue(),
                                                                                                         postCount));
         span.setSpan(new RelativeSizeSpan(1.2f), 0, postCount.length(), 0);
         span.setSpan(new StyleSpan(Typeface.BOLD), 0, postCount.length(), 0);
@@ -602,23 +585,11 @@ public class HashTagFragment extends Fragment implements SwipeRefreshLayout.OnRe
                 });
     }
 
-    public void stopCurrentExecutor() {
-        if (currentlyExecuting != null) {
-            try {
-                currentlyExecuting.cancel(true);
-            } catch (final Exception e) {
-//                if (logCollector != null)
-//                    logCollector.appendException(e, LogCollector.LogFile.MAIN_HELPER, "stopCurrentExecutor");
-                Log.e(TAG, "", e);
-            }
-        }
-    }
-
     private void setTitle() {
         final ActionBar actionBar = fragmentActivity.getSupportActionBar();
         if (actionBar != null) {
             // Log.d(TAG, "setting title: " + hashtag);
-            actionBar.setTitle(hashtag);
+            actionBar.setTitle('#' + hashtag);
             // final Handler handler = new Handler();
             // handler.postDelayed(() -> , 1000);
         }

app/src/main/java/awais/instagrabber/models/HashtagModel.java

@@ -1,35 +0,0 @@
-package awais.instagrabber.models;
-
-import java.io.Serializable;
-
-public final class HashtagModel implements Serializable {
-    private final boolean following;
-    private final long postCount;
-    private final String id;
-    private final String name;
-    private final String sdProfilePic;
-
-    public HashtagModel(final String id, final String name, final String sdProfilePic, final long postCount, final boolean following) {
-        this.id = id;
-        this.name = name;
-        this.sdProfilePic = sdProfilePic;
-        this.postCount = postCount;
-        this.following = following;
-    }
-
-    public String getId() {
-        return id;
-    }
-
-    public String getName() {
-        return name;
-    }
-
-    public String getSdProfilePic() {
-        return sdProfilePic;
-    }
-
-    public Long getPostCount() { return postCount; }
-
-    public boolean getFollowing() { return following; }
-}

app/src/main/java/awais/instagrabber/models/enums/FollowingType.java

@@ -0,0 +1,35 @@
+package awais.instagrabber.models.enums;
+
+import com.google.gson.annotations.SerializedName;
+
+import java.io.Serializable;
+import java.util.HashMap;
+import java.util.Map;
+
+public enum FollowingType implements Serializable {
+    @SerializedName("1")
+    FOLLOWING(1),
+    @SerializedName("0")
+    NOT_FOLLOWING(0);
+
+    private final int id;
+    private static final Map<Integer, FollowingType> map = new HashMap<>();
+
+    static {
+        for (FollowingType type : FollowingType.values()) {
+            map.put(type.id, type);
+        }
+    }
+
+    FollowingType(final int id) {
+        this.id = id;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public static FollowingType valueOf(final int id) {
+        return map.get(id);
+    }
+}

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

@@ -13,4 +13,7 @@ public interface GraphQLRepository {
 
     @GET("/{username}/?__a=1")
     Call<String> getUser(@Path("username") String username);
+
+    @GET("/explore/tags/{tag}/?__a=1")
+    Call<String> getTag(@Path("tag") String tag);
 }

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

@@ -2,6 +2,7 @@ package awais.instagrabber.repositories;
 
 import java.util.Map;
 
+import awais.instagrabber.repositories.responses.Hashtag;
 import awais.instagrabber.repositories.responses.TagFeedResponse;
 import retrofit2.Call;
 import retrofit2.http.FieldMap;
@@ -13,15 +14,14 @@ import retrofit2.http.Path;
 import retrofit2.http.QueryMap;
 
 public interface TagsRepository {
-    @FormUrlEncoded
+    @GET("/api/v1/tags/{tag}/info/")
-    @POST("/api/v1/tags/follow/{tag}/")
+    Call<Hashtag> fetch(@Path("tag") final String tag);
-    Call<String> follow(@FieldMap final Map<String, String> signedForm,
-                        @Path("tag") String tag);
 
     @FormUrlEncoded
-    @POST("/api/v1/tags/unfollow/{tag}/")
+    @POST("/api/v1/tags/{action}/{tag}/")
-    Call<String> unfollow(@FieldMap final Map<String, String> signedForm,
+    Call<String> changeFollow(@FieldMap final Map<String, String> signedForm,
-                          @Path("tag") String tag);
+                              @Path("action") String action,
+                              @Path("tag") String tag);
 
     @GET("/api/v1/feed/tag/{tag}/")
     Call<TagFeedResponse> fetchPosts(@Path("tag") final String tag,

app/src/main/java/awais/instagrabber/repositories/responses/Hashtag.java

@@ -0,0 +1,45 @@
+package awais.instagrabber.repositories.responses;
+
+import java.io.Serializable;
+
+import awais.instagrabber.models.enums.FollowingType;
+
+public final class Hashtag implements Serializable {
+    private final FollowingType following; // 0 false 1 true
+    private final long mediaCount;
+    private final String id;
+    private final String name;
+    private final String profilePicUrl; // on app API this is always null (property exists)
+
+    public Hashtag(final String id,
+                   final String name,
+                   final String profilePicUrl,
+                   final long mediaCount,
+                   final FollowingType following) {
+        this.id = id;
+        this.name = name;
+        this.profilePicUrl = profilePicUrl;
+        this.mediaCount = mediaCount;
+        this.following = following;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public String getProfilePicUrl() {
+        return profilePicUrl;
+    }
+
+    public Long getMediaCount() {
+        return mediaCount;
+    }
+
+    public FollowingType getFollowing() {
+        return following;
+    }
+}

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

@@ -14,9 +14,11 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
+import awais.instagrabber.models.enums.FollowingType;
 import awais.instagrabber.repositories.GraphQLRepository;
 import awais.instagrabber.repositories.responses.FriendshipStatus;
 import awais.instagrabber.repositories.responses.GraphQLUserListFetchResponse;
+import awais.instagrabber.repositories.responses.Hashtag;
 import awais.instagrabber.repositories.responses.Media;
 import awais.instagrabber.repositories.responses.PostsFetchResponse;
 import awais.instagrabber.repositories.responses.User;
@@ -359,4 +361,44 @@ public class GraphQLService extends BaseService {
             }
         });
     }
+
+    public void fetchTag(final String tag,
+                         final ServiceCallback<Hashtag> callback) {
+        final Call<String> request = repository.getTag(tag);
+        request.enqueue(new Callback<String>() {
+            @Override
+            public void onResponse(@NonNull final Call<String> call, @NonNull final Response<String> response) {
+                final String rawBody = response.body();
+                if (rawBody == null) {
+                    Log.e(TAG, "Error occurred while fetching gql tag of " + tag);
+                    callback.onSuccess(null);
+                    return;
+                }
+                try {
+                    final JSONObject body = new JSONObject(rawBody)
+                            .getJSONObject("graphql")
+                            .getJSONObject(Constants.EXTRAS_HASHTAG);
+                    final JSONObject timelineMedia = body.getJSONObject("edge_hashtag_to_media");
+                    callback.onSuccess(new Hashtag(
+                            body.getString(Constants.EXTRAS_ID),
+                            body.getString("name"),
+                            body.getString("profile_pic_url"),
+                            timelineMedia.getLong("count"),
+                            body.optBoolean("is_following") ? FollowingType.FOLLOWING : FollowingType.NOT_FOLLOWING));
+                } catch (JSONException e) {
+                    Log.e(TAG, "onResponse", e);
+                    if (callback != null) {
+                        callback.onFailure(e);
+                    }
+                }
+            }
+
+            @Override
+            public void onFailure(@NonNull final Call<String> call, @NonNull final Throwable t) {
+                if (callback != null) {
+                    callback.onFailure(t);
+                }
+            }
+        });
+    }
 }

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

@@ -13,6 +13,7 @@ import java.util.HashMap;
 import java.util.Map;
 
 import awais.instagrabber.repositories.TagsRepository;
+import awais.instagrabber.repositories.responses.Hashtag;
 import awais.instagrabber.repositories.responses.PostsFetchResponse;
 import awais.instagrabber.repositories.responses.TagFeedResponse;
 import awais.instagrabber.utils.TextUtils;
@@ -44,53 +45,39 @@ public class TagsService extends BaseService {
         return instance;
     }
 
-    public void follow(@NonNull final String tag,
+    public void fetch(@NonNull final String tag,
-                       @NonNull final String csrfToken,
+                      final ServiceCallback<Hashtag> callback) {
-                       @NonNull final long userId,
+        final Call<Hashtag> request = repository.fetch(tag);
-                       @NonNull final String deviceUuid,
+        request.enqueue(new Callback<Hashtag>() {
-                       final ServiceCallback<Boolean> callback) {
-        final Map<String, Object> form = new HashMap<>(3);
-        form.put("_csrftoken", csrfToken);
-        form.put("_uid", userId);
-        form.put("_uuid", deviceUuid);
-        final Map<String, String> signedForm = Utils.sign(form);
-        final Call<String> request = repository.follow(signedForm, tag);
-        request.enqueue(new Callback<String>() {
             @Override
-            public void onResponse(@NonNull final Call<String> call, @NonNull final Response<String> response) {
+            public void onResponse(@NonNull final Call<Hashtag> call, @NonNull final Response<Hashtag> response) {
-                final String body = response.body();
+                if (callback == null) {
-                if (body == null) {
-                    callback.onFailure(new RuntimeException("body is null"));
                     return;
                 }
-                try {
+                callback.onSuccess(response.body());
-                    final JSONObject jsonObject = new JSONObject(body);
-                    final String status = jsonObject.optString("status");
-                    callback.onSuccess(status.equals("ok"));
-                } catch (JSONException e) {
-                    Log.e(TAG, "onResponse: ", e);
-                }
             }
 
             @Override
-            public void onFailure(@NonNull final Call<String> call, @NonNull final Throwable t) {
+            public void onFailure(@NonNull final Call<Hashtag> call, @NonNull final Throwable t) {
-                // Log.e(TAG, "onFailure: ", t);
+                if (callback != null) {
-                callback.onFailure(t);
+                    callback.onFailure(t);
+                }
             }
         });
     }
 
-    public void unfollow(@NonNull final String tag,
+    public void changeFollow(@NonNull final String action,
-                         @NonNull final String csrfToken,
+                             @NonNull final String tag,
-                         @NonNull final long userId,
+                             @NonNull final String csrfToken,
-                         @NonNull final String deviceUuid,
+                             @NonNull final long userId,
-                         final ServiceCallback<Boolean> callback) {
+                             @NonNull final String deviceUuid,
+                             final ServiceCallback<Boolean> callback) {
         final Map<String, Object> form = new HashMap<>(3);
         form.put("_csrftoken", csrfToken);
         form.put("_uid", userId);
         form.put("_uuid", deviceUuid);
         final Map<String, String> signedForm = Utils.sign(form);
-        final Call<String> request = repository.unfollow(signedForm, tag);
+        final Call<String> request = repository.changeFollow(signedForm, action, tag);
         request.enqueue(new Callback<String>() {
             @Override
             public void onResponse(@NonNull final Call<String> call, @NonNull final Response<String> response) {