/**
* Copyright © 2002 Instituto Superior Técnico
*
* This file is part of FenixEdu Academic.
*
* FenixEdu Academic is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* FenixEdu Academic 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with FenixEdu Academic. If not, see <http://www.gnu.org/licenses/>.
*/
package org.fenixedu.academic.api.infra;
import javax.ws.rs.ProcessingException;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import org.fenixedu.academic.FenixEduAcademicConfiguration;
import org.fenixedu.academic.FenixEduAcademicConfiguration.ConfigurationProperties;
import org.fenixedu.commons.i18n.I18N;
import org.joda.time.DateTime;
import org.joda.time.format.DateTimeFormat;
import com.google.common.io.BaseEncoding;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
public class FenixAPICanteen {
private static final Client HTTP_CLIENT = ClientBuilder.newClient();
private static JsonObject canteenInfo;
private static DateTime day;
public static final String datePattern = "dd/MM/yyyy";
public static String get(String daySearch) {
String locale = I18N.getLocale().toString().replace("_", "-");
if (canteenInfo == null || canteenInfo.isJsonNull() || oldInformation()) {
String canteenUrl = FenixEduAcademicConfiguration.getConfiguration().getFenixApiCanteenUrl();
try {
Response response =
HTTP_CLIENT.target(canteenUrl).request(MediaType.APPLICATION_JSON)
.header("Authorization", getServiceAuth()).get();
if (response.getStatus() == 200) {
JsonParser parser = new JsonParser();
canteenInfo = (JsonObject) parser.parse(response.readEntity(String.class));
day = new DateTime();
} else {
return new JsonObject().toString();
}
} catch (ProcessingException e) {
e.printStackTrace();
return new JsonObject().toString();
}
}
JsonArray jsonArrayWithLang = canteenInfo.getAsJsonArray(locale);
DateTime dayToCompareStart;
DateTime dayToCompareEnd;
DateTime dateTime = DateTime.parse(daySearch, DateTimeFormat.forPattern(datePattern));
int dayOfWeek = dateTime.getDayOfWeek();
if (dayOfWeek != 7) {
dayToCompareStart = dateTime.minusDays(dayOfWeek);
dayToCompareEnd = dateTime.plusDays(7 - dayOfWeek);
} else {
dayToCompareStart = dateTime;
dayToCompareEnd = dateTime.plusDays(7);
}
JsonArray jsonResult = new JsonArray();
for (JsonElement jObj : jsonArrayWithLang) {
DateTime dateToCompare =
DateTime.parse(((JsonObject) jObj).get("day").getAsString(), DateTimeFormat.forPattern(datePattern));
if (dateToCompare.isAfter(dayToCompareStart) && dateToCompare.isBefore(dayToCompareEnd)) {
jsonResult.add(jObj);
}
}
Gson gson = new GsonBuilder().setPrettyPrinting().create();
return gson.toJson(jsonResult);
}
private static Boolean oldInformation() {
DateTime now = new DateTime();
return now.isAfter(day.plusHours(24));
}
private static String getServiceAuth() {
ConfigurationProperties config = FenixEduAcademicConfiguration.getConfiguration();
String userpass = config.getFenixApiCanteenUser() + ":" + config.getFenixApiCanteenSecret();
String encoding = new String(BaseEncoding.base64().encode(userpass.getBytes()));
return "Basic " + encoding;
}
}