package org.luke.ct.api.upload;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.lang3.StringUtils;
import org.luke.ct.api.CarTracePushNotificationAPI;
import org.luke.ct.core.CTCommon;
import org.luke.ct.dao.CarRegService;
import org.luke.ct.dao.CarRegServiceImpl;
import org.luke.ct.dao.DeviceUploadService;
import org.luke.ct.dao.DeviceUploadServiceImpl;
import org.luke.ct.dao.PhoneRegService;
import org.luke.ct.dao.PhoneRegServiceImpl;
import org.luke.ct.model.CarReg;
import org.luke.ct.model.DeviceUpload;
import org.luke.ct.model.PhoneReg;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.google.appengine.api.blobstore.BlobKey;
import com.google.appengine.api.blobstore.BlobstoreService;
import com.google.appengine.api.blobstore.BlobstoreServiceFactory;
import com.google.appengine.api.images.ImagesService;
import com.google.appengine.api.images.ImagesServiceFactory;
import com.google.appengine.api.images.ServingUrlOptions;
public class ImageUploadServlet extends HttpServlet {
private static final long serialVersionUID = -1170774733534547201L;
private static CarRegService cr_service = new CarRegServiceImpl();
private static PhoneRegService pr_service = new PhoneRegServiceImpl();
private static DeviceUploadService du_service = new DeviceUploadServiceImpl();
private static final Logger log = Logger.getLogger(ImageUploadServlet.class.getName());
private BlobstoreService blobstoreService = BlobstoreServiceFactory.getBlobstoreService();
@Override
public void doPost(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
String devID = req.getParameter("devID");
if (StringUtils.isBlank(devID)) {
sendError(res, "未提供devID");
return;
}
String mySerialString = req.getParameter("mySerial");
Integer mySerial = 0;
if (StringUtils.isBlank(mySerialString)) {
sendError(res, "未提供mySerial");
return;
}
try {
mySerial = Integer.parseInt(mySerialString);
} catch (NumberFormatException e) {
sendError(res, "mySerial必須是數字");
return;
}
// 檢查是否為合法的carID
CarReg cr = null;
PhoneReg pr = null;
cr = cr_service.getDataByID(devID);
if (null == cr) {
// 檢查是否為合法的phoneID
pr = pr_service.getDataByID(devID);
if (null == pr) {
sendError(res, "提供的ID尚未註冊, devID = " + devID);
return;
}
}
List<BlobKey> blobs = blobstoreService.getUploads(req).get("myFile");
BlobKey blobKey = blobs.get(0);
if (null == blobKey) {
sendError(res, "無法正常儲存上傳的檔案");
return;
}
ImagesService imagesService = ImagesServiceFactory.getImagesService();
ServingUrlOptions servingOptions = ServingUrlOptions.Builder.withBlobKey(blobKey);
String servingUrl = imagesService.getServingUrl(servingOptions);
res.setStatus(HttpServletResponse.SC_OK);
res.setContentType("application/json");
// 二種方式都能存取上傳的圖檔
JSONObject json = new JSONObject();
// json.put("serving_url", servingUrl);
// json.put("blob_key", blobKey.getKeyString());
// json.put("direct_url", "/serve?blob_key=" + blobKey.getKeyString());
// 儲存在db的動作
DeviceUpload du = new DeviceUpload();
du.setDevID(devID);
du.setMySerial(mySerial);
du.setServing_url(servingUrl);
du.setBlob_key(blobKey.getKeyString());
du.setAddTime(CTCommon.getNowTime());
du_service.add(du);
log.info("新增一筆設備上傳記錄：" + JSON.toJSONString(du));
// 直接新增message info到db
// 並直接把message content發給相關的devices
JSONObject retJson = new JSONObject();
CarTracePushNotificationAPI ctpn_api = new CarTracePushNotificationAPI();
if (null != cr) {
String carID = cr.getEncodedKey();
String title = "設備上傳記錄";
String message = String.format("設備於%s上傳圖片", du.getAddTime());
JSONObject rowdata = new JSONObject();
rowdata.put("carID", carID);
rowdata.put("addTime", du.getAddTime());
JSONObject cpJson = new JSONObject();
cpJson.put("carID", carID);
cpJson.put("title", title);
cpJson.put("message", message);
cpJson.put("rowdata", rowdata);
retJson = ctpn_api.postCPPushNotification(cpJson);
String messageID = retJson.getString("messageID");
// JSONArray phoneArray = retJson.getJSONArray("phoneArray");
retJson = ctpn_api.postCPPushNotificationSend(carID, messageID);
} else if (null != pr) {
String phoneID = pr.getEncodedKey();
String title = "設備上傳記錄";
String message = String.format("設備於%s上傳圖片", du.getAddTime());
JSONObject rowdata = new JSONObject();
rowdata.put("phoneID", phoneID);
rowdata.put("addTime", du.getAddTime());
JSONObject cpJson = new JSONObject();
cpJson.put("phoneID", phoneID);
cpJson.put("title", title);
cpJson.put("message", message);
cpJson.put("rowdata", rowdata);
retJson = ctpn_api.postPCPushNotification(cpJson);
String messageID = retJson.getString("messageID");
// JSONArray phoneArray = retJson.getJSONArray("phoneArray");
retJson = ctpn_api.postPCPushNotificationSend(phoneID, messageID);
}
json.put("uploadKey", du.getEncodedKey());
json.put("addTime", du.getAddTime());
json.put("result", retJson);
PrintWriter out = res.getWriter();
out.print(json.toString());
out.flush();
out.close();
}
private void sendError(HttpServletResponse res, String errorMessage) throws IOException {
JSONObject json = new JSONObject();
json.put("errorMessage", errorMessage);
res.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
res.setContentType("application/json");
PrintWriter out = res.getWriter();
out.print(json.toString());
out.flush();
out.close();
}
}