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package app.fedilab.android.mastodon.viewmodel.mastodon;
/* Copyright 2021 Thomas Schneider
*
* This file is a part of Fedilab
*
* This program is free software; you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* Fedilab is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* You should have received a copy of the GNU General Public License along with Fedilab; if not,
* see <http://www.gnu.org/licenses>. */
import android.app.Application;
import android.os.Handler;
import android.os.Looper;
import androidx.annotation.NonNull;
import androidx.lifecycle.AndroidViewModel;
import androidx.lifecycle.LiveData;
import androidx.lifecycle.MutableLiveData;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import java.net.IDN;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.TimeUnit;
import app.fedilab.android.mastodon.client.endpoints.MastodonSearchService;
import app.fedilab.android.mastodon.client.entities.api.Results;
import app.fedilab.android.mastodon.client.entities.api.Status;
import app.fedilab.android.mastodon.client.entities.app.StatusCache;
import app.fedilab.android.mastodon.exception.DBException;
import app.fedilab.android.mastodon.helper.Helper;
import okhttp3.OkHttpClient;
import retrofit2.Call;
import retrofit2.Response;
import retrofit2.Retrofit;
import retrofit2.converter.gson.GsonConverterFactory;
public class SearchVM extends AndroidViewModel {
final OkHttpClient okHttpClient = new OkHttpClient.Builder()
.readTimeout(60, TimeUnit.SECONDS)
.connectTimeout(60, TimeUnit.SECONDS)
.callTimeout(60, TimeUnit.SECONDS)
.proxy(Helper.getProxy(getApplication().getApplicationContext()))
.build();
private MutableLiveData<Results> resultsMutableLiveData;
public SearchVM(@NonNull Application application) {
super(application);
}
private MastodonSearchService init(String instance) {
Gson gson = new GsonBuilder().setDateFormat("yyyy-MM-dd'T'HH:mm:ssZ").create();
Retrofit retrofit = new Retrofit.Builder()
.baseUrl("https://" + (instance != null ? IDN.toASCII(instance, IDN.ALLOW_UNASSIGNED) : null) + "/api/v2/")
.addConverterFactory(GsonConverterFactory.create(Helper.getDateBuilder()))
.client(okHttpClient)
.build();
return retrofit.create(MastodonSearchService.class);
}
/**
* Search for content in accounts, statuses and hashtags with API v2
*
* @param instance Instance domain of the active account
* @param token Access token of the active account
* @param q String - search words
* @param account_id String - If provided, statuses returned will be authored only by this account
* @param type String - Enum(accounts, hashtags, statuses)
* @param exclude_unreviewed boolean - Filter out unreviewed tags? Defaults to false. Use true when trying to find trending tags.
* @param resolve boolean - Attempt WebFinger lookup. Defaults to false.
* @param following boolean - Only include accounts that the user is following. Defaults to false.
* @param offset int - Offset in search results. Used for pagination. Defaults to 0.
* @param max_id String - Return results older than this id
* @param min_id String - Return results immediately newer than this id
* @param limit int - Maximum number of results to load, per type. Defaults to 20. Max 40.
* @return {@link LiveData} containing an {@link Results}
*/
public LiveData<Results> search(@NonNull String instance,
String token,
@NonNull String q,
String account_id,
String type,
Boolean exclude_unreviewed,
Boolean resolve,
Boolean following,
Integer offset,
String max_id,
String min_id,
Integer limit) {
MastodonSearchService mastodonSearchService = init(instance);
resultsMutableLiveData = new MutableLiveData<>();
new Thread(() -> {
int finalLimit = 40;
if (limit != null && limit < 40) {
finalLimit = limit;
}
Call<Results> resultsCall = mastodonSearchService.search(
token, q, account_id, type, exclude_unreviewed,
resolve, following, offset, max_id, min_id, finalLimit);
Results results = null;
if (resultsCall != null) {
try {
Response<Results> resultsResponse = resultsCall.execute();
if (resultsResponse.isSuccessful()) {
results = resultsResponse.body();
if (results != null) {
if (results.statuses == null) {
results.statuses = new ArrayList<>();
}
if (results.accounts == null) {
results.accounts = new ArrayList<>();
}
if (results.hashtags == null) {
results.hashtags = new ArrayList<>();
}
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
Handler mainHandler = new Handler(Looper.getMainLooper());
Results finalResults = results;
Runnable myRunnable = () -> resultsMutableLiveData.setValue(finalResults);
mainHandler.post(myRunnable);
}).start();
return resultsMutableLiveData;
}
public LiveData<Results> searchCache(@NonNull String instance, String userId, @NonNull String q) {
resultsMutableLiveData = new MutableLiveData<>();
new Thread(() -> {
Results results = new Results();
try {
results.statuses = new ArrayList<>();
List<Status> statuses = new StatusCache(getApplication()).searchStatus(instance, userId, q);
if (statuses != null) {
results.statuses.addAll(statuses);
}
} catch (DBException e) {
e.printStackTrace();
}
Handler mainHandler = new Handler(Looper.getMainLooper());
Runnable myRunnable = () -> resultsMutableLiveData.setValue(results);
mainHandler.post(myRunnable);
}).start();
return resultsMutableLiveData;
}
}
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