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package de.danoeh.antennapod.discovery;
import android.content.Context;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.core.ClientConfig;
import de.danoeh.antennapod.core.service.download.AntennapodHttpClient;
import io.reactivex.Single;
import io.reactivex.SingleOnSubscribe;
import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.schedulers.Schedulers;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.List;
public class ItunesPodcastSearcher implements PodcastSearcher {
private static final String ITUNES_API_URL = "https://itunes.apple.com/search?media=podcast&term=%s";
private final Context context;
public ItunesPodcastSearcher(Context context) {
this.context = context;
}
public Single<List<PodcastSearchResult>> search(String query) {
return Single.create((SingleOnSubscribe<List<PodcastSearchResult>>) subscriber -> {
String encodedQuery;
try {
encodedQuery = URLEncoder.encode(query, "UTF-8");
} catch (UnsupportedEncodingException e) {
// this won't ever be thrown
encodedQuery = query;
}
String formattedUrl = String.format(ITUNES_API_URL, encodedQuery);
OkHttpClient client = AntennapodHttpClient.getHttpClient();
Request.Builder httpReq = new Request.Builder()
.url(formattedUrl);
List<PodcastSearchResult> podcasts = new ArrayList<>();
try {
Response response = client.newCall(httpReq.build()).execute();
if (response.isSuccessful()) {
String resultString = response.body().string();
JSONObject result = new JSONObject(resultString);
JSONArray j = result.getJSONArray("results");
for (int i = 0; i < j.length(); i++) {
JSONObject podcastJson = j.getJSONObject(i);
PodcastSearchResult podcast = PodcastSearchResult.fromItunes(podcastJson);
podcasts.add(podcast);
}
} else {
String prefix = context.getString(R.string.error_msg_prefix);
subscriber.onError(new IOException(prefix + response));
}
} catch (IOException | JSONException e) {
subscriber.onError(e);
}
subscriber.onSuccess(podcasts);
})
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread());
}
}
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