mirror of https://github.com/KokaKiwi/BarInsta
308 lines
14 KiB
Java
308 lines
14 KiB
Java
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package awais.instagrabber.webservices;
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import android.os.Handler;
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import android.util.Log;
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import androidx.annotation.NonNull;
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import org.json.JSONArray;
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import org.json.JSONException;
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import org.json.JSONObject;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.io.Reader;
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import java.nio.charset.StandardCharsets;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import awais.instagrabber.models.FeedModel;
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import awais.instagrabber.models.PostChild;
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import awais.instagrabber.models.ProfileModel;
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import awais.instagrabber.models.enums.MediaItemType;
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import awais.instagrabber.repositories.FeedRepository;
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import awais.instagrabber.repositories.responses.FeedFetchResponse;
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import awais.instagrabber.utils.Constants;
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import awais.instagrabber.utils.ResponseBodyUtils;
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import awais.instagrabber.utils.TextUtils;
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import retrofit2.Call;
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import retrofit2.Callback;
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import retrofit2.Response;
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import retrofit2.Retrofit;
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public class FeedService extends BaseService {
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private static final String TAG = "FeedService";
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private static final boolean loadFromMock = false;
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private final FeedRepository repository;
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private static FeedService instance;
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private FeedService() {
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final Retrofit retrofit = getRetrofitBuilder()
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.baseUrl("https://www.instagram.com")
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.build();
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repository = retrofit.create(FeedRepository.class);
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}
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public static FeedService getInstance() {
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if (instance == null) {
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instance = new FeedService();
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}
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return instance;
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}
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public void fetch(final int maxItemsToLoad,
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final String cursor,
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final ServiceCallback<FeedFetchResponse> callback) {
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if (loadFromMock) {
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final Handler handler = new Handler();
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handler.postDelayed(() -> {
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final ClassLoader classLoader = getClass().getClassLoader();
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if (classLoader == null) {
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Log.e(TAG, "fetch: classLoader is null!");
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return;
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}
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try (InputStream resourceAsStream = classLoader.getResourceAsStream("feed_response.json");
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Reader in = new InputStreamReader(resourceAsStream, StandardCharsets.UTF_8)) {
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final int bufferSize = 1024;
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final char[] buffer = new char[bufferSize];
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final StringBuilder out = new StringBuilder();
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int charsRead;
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while ((charsRead = in.read(buffer, 0, buffer.length)) > 0) {
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out.append(buffer, 0, charsRead);
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}
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callback.onSuccess(parseResponseBody(out.toString()));
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} catch (IOException | JSONException e) {
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Log.e(TAG, "fetch: ", e);
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}
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}, 1000);
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return;
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}
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final Map<String, String> queryMap = new HashMap<>();
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queryMap.put("query_hash", "6b838488258d7a4820e48d209ef79eb1");
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queryMap.put("variables", "{" +
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"\"fetch_media_item_count\":" + maxItemsToLoad + "," +
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"\"has_threaded_comments\":true," +
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"\"fetch_media_item_cursor\":\"" + (cursor == null ? "" : cursor) + "\"" +
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"}");
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final Call<String> request = repository.fetch(queryMap);
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request.enqueue(new Callback<String>() {
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@Override
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public void onResponse(@NonNull final Call<String> call, @NonNull final Response<String> response) {
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try {
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// Log.d(TAG, "onResponse: body: " + response.body());
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final FeedFetchResponse feedFetchResponse = parseResponse(response);
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if (callback != null) {
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callback.onSuccess(feedFetchResponse);
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}
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} catch (JSONException e) {
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Log.e(TAG, "onResponse", e);
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if (callback != null) {
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callback.onFailure(e);
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}
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}
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}
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@Override
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public void onFailure(@NonNull final Call<String> call, @NonNull final Throwable t) {
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if (callback != null) {
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callback.onFailure(t);
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}
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}
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});
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}
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@NonNull
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private FeedFetchResponse parseResponse(@NonNull final Response<String> response) throws JSONException {
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if (TextUtils.isEmpty(response.body())) {
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Log.e(TAG, "parseResponse: feed response body is empty with status code: " + response.code());
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return new FeedFetchResponse(Collections.emptyList(), false, null);
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}
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return parseResponseBody(response.body());
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}
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@NonNull
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private FeedFetchResponse parseResponseBody(@NonNull final String body)
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throws JSONException {
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final List<FeedModel> feedModels = new ArrayList<>();
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final JSONObject timelineFeed = new JSONObject(body)
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.getJSONObject("data")
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.getJSONObject(Constants.EXTRAS_USER)
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.getJSONObject("edge_web_feed_timeline");
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final String endCursor;
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final boolean hasNextPage;
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final JSONObject pageInfo = timelineFeed.getJSONObject("page_info");
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if (pageInfo.has("has_next_page")) {
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hasNextPage = pageInfo.getBoolean("has_next_page");
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endCursor = hasNextPage ? pageInfo.getString("end_cursor") : null;
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} else {
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hasNextPage = false;
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endCursor = null;
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}
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final JSONArray feedItems = timelineFeed.getJSONArray("edges");
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for (int i = 0; i < feedItems.length(); ++i) {
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final JSONObject feedItem = feedItems.getJSONObject(i).getJSONObject("node");
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final String mediaType = feedItem.optString("__typename");
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if (mediaType.isEmpty() || "GraphSuggestedUserFeedUnit".equals(mediaType))
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continue;
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final boolean isVideo = feedItem.optBoolean("is_video");
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final long videoViews = feedItem.optLong("video_view_count", 0);
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final String displayUrl = feedItem.optString("display_url");
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if (TextUtils.isEmpty(displayUrl)) continue;
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final String resourceUrl;
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if (isVideo) {
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resourceUrl = feedItem.getString("video_url");
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} else {
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resourceUrl = feedItem.has("display_resources") ? ResponseBodyUtils.getHighQualityImage(feedItem) : displayUrl;
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}
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ProfileModel profileModel = null;
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if (feedItem.has("owner")) {
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final JSONObject owner = feedItem.getJSONObject("owner");
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profileModel = new ProfileModel(
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owner.optBoolean("is_private"),
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false, // if you can see it then you def follow
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owner.optBoolean("is_verified"),
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owner.getString(Constants.EXTRAS_ID),
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owner.getString(Constants.EXTRAS_USERNAME),
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owner.optString("full_name"),
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null,
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null,
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owner.getString("profile_pic_url"),
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null,
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0,
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0,
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0,
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false,
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false,
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false,
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false);
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}
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JSONObject tempJsonObject = feedItem.optJSONObject("edge_media_preview_comment");
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final long commentsCount = tempJsonObject != null ? tempJsonObject.optLong("count") : 0;
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tempJsonObject = feedItem.optJSONObject("edge_media_preview_like");
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final long likesCount = tempJsonObject != null ? tempJsonObject.optLong("count") : 0;
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tempJsonObject = feedItem.optJSONObject("edge_media_to_caption");
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final JSONArray captions = tempJsonObject != null ? tempJsonObject.getJSONArray("edges") : null;
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String captionText = null;
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if (captions != null && captions.length() > 0) {
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if ((tempJsonObject = captions.optJSONObject(0)) != null &&
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(tempJsonObject = tempJsonObject.optJSONObject("node")) != null) {
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captionText = tempJsonObject.getString("text");
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}
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}
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final JSONObject location = feedItem.optJSONObject("location");
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// Log.d(TAG, "location: " + (location == null ? null : location.toString()));
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String locationId = null;
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String locationName = null;
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if (location != null) {
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locationName = location.optString("name");
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if (location.has("id")) {
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locationId = location.getString("id");
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} else if (location.has("pk")) {
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locationId = location.getString("pk");
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}
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// Log.d(TAG, "locationId: " + locationId);
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}
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int height = 0;
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int width = 0;
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final JSONObject dimensions = feedItem.optJSONObject("dimensions");
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if (dimensions != null) {
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height = dimensions.optInt("height");
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width = dimensions.optInt("width");
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}
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String thumbnailUrl = null;
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try {
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thumbnailUrl = feedItem.getJSONArray("display_resources")
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.getJSONObject(0)
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.getString("src");
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} catch (JSONException ignored) {}
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final FeedModel.Builder feedModelBuilder = new FeedModel.Builder()
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.setProfileModel(profileModel)
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.setItemType(isVideo ? MediaItemType.MEDIA_TYPE_VIDEO
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: MediaItemType.MEDIA_TYPE_IMAGE)
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.setViewCount(videoViews)
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.setPostId(feedItem.getString(Constants.EXTRAS_ID))
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.setDisplayUrl(resourceUrl)
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.setThumbnailUrl(thumbnailUrl != null ? thumbnailUrl : displayUrl)
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.setShortCode(feedItem.getString(Constants.EXTRAS_SHORTCODE))
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.setPostCaption(captionText)
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.setCommentsCount(commentsCount)
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.setTimestamp(feedItem.optLong("taken_at_timestamp", -1))
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.setLiked(feedItem.getBoolean("viewer_has_liked"))
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.setBookmarked(feedItem.getBoolean("viewer_has_saved"))
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.setLikesCount(likesCount)
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.setLocationName(locationName)
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.setLocationId(locationId)
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.setImageHeight(height)
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.setImageWidth(width);
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final boolean isSlider = "GraphSidecar".equals(mediaType) && feedItem.has("edge_sidecar_to_children");
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if (isSlider) {
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feedModelBuilder.setItemType(MediaItemType.MEDIA_TYPE_SLIDER);
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final JSONObject sidecar = feedItem.optJSONObject("edge_sidecar_to_children");
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if (sidecar != null) {
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final JSONArray children = sidecar.optJSONArray("edges");
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if (children != null) {
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final List<PostChild> sliderItems = getSliderItems(children);
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feedModelBuilder.setSliderItems(sliderItems);
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}
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}
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}
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final FeedModel feedModel = feedModelBuilder.build();
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feedModels.add(feedModel);
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}
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return new FeedFetchResponse(feedModels, hasNextPage, endCursor);
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}
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@NonNull
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private List<PostChild> getSliderItems(final JSONArray children) throws JSONException {
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final List<PostChild> sliderItems = new ArrayList<>();
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for (int j = 0; j < children.length(); ++j) {
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final JSONObject childNode = children.optJSONObject(j).getJSONObject("node");
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final boolean isChildVideo = childNode.optBoolean("is_video");
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int height = 0;
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int width = 0;
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final JSONObject dimensions = childNode.optJSONObject("dimensions");
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if (dimensions != null) {
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height = dimensions.optInt("height");
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width = dimensions.optInt("width");
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}
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String thumbnailUrl = null;
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try {
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thumbnailUrl = childNode.getJSONArray("display_resources")
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.getJSONObject(0)
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.getString("src");
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} catch (JSONException ignored) {}
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final PostChild sliderItem = new PostChild.Builder()
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.setItemType(isChildVideo ? MediaItemType.MEDIA_TYPE_VIDEO
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: MediaItemType.MEDIA_TYPE_IMAGE)
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.setPostId(childNode.getString(Constants.EXTRAS_ID))
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.setDisplayUrl(isChildVideo ? childNode.getString("video_url")
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: childNode.getString("display_url"))
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.setThumbnailUrl(thumbnailUrl != null ? thumbnailUrl
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: childNode.getString("display_url"))
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.setVideoViews(childNode.optLong("video_view_count", 0))
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.setHeight(height)
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.setWidth(width)
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.build();
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// Log.d(TAG, "getSliderItems: sliderItem: " + sliderItem);
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sliderItems.add(sliderItem);
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}
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return sliderItems;
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}
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}
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