/*
* Seldon -- open source prediction engine
* =======================================
*
* Copyright 2011-2015 Seldon Technologies Ltd and Rummble Ltd (http://www.seldon.io/)
*
* ********************************************************************************************
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* ********************************************************************************************
*/
package io.seldon.api.controller;
import io.seldon.api.APIException;
import io.seldon.api.Constants;
import io.seldon.api.Util;
import io.seldon.api.logging.ApiLogger;
import io.seldon.api.logging.MDCKeys;
import io.seldon.api.resource.ConsumerBean;
import io.seldon.api.resource.ErrorBean;
import io.seldon.api.resource.ItemBean;
import io.seldon.api.resource.ResourceBean;
import io.seldon.api.resource.service.ItemService;
import io.seldon.api.resource.service.business.ItemBusinessService;
import io.seldon.api.service.ApiLoggerServer;
import io.seldon.api.service.ResourceServer;
import java.util.Date;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import com.fasterxml.jackson.databind.util.JSONPObject;
/**
* @author claudio
*/
@Controller
public class ItemController {
@Autowired
private ResourceServer resourceServer;
@Autowired
private ItemBusinessService itemBusinessService;
@Autowired
private ItemService itemService;
@RequestMapping(value="/items", method = RequestMethod.GET)
public @ResponseBody Object retrieveItems(HttpServletRequest req,
@RequestParam(value = "jsonpCallback", required = false) String callback) {
Date start = new Date();
ResourceBean con = resourceServer.validateResourceRequest(req);
ResourceBean res = con;
//request authorized
if(con instanceof ConsumerBean) {
try {
MDCKeys.addKeysConsumer((ConsumerBean)con);
List<String> keywords = Util.getKeywords(req);
String name = Util.getName(req);
Integer itemType = Util.getType(req);
Integer dimension = Util.getDimension(req);
if(itemType !=null && dimension == null) {
dimension = ItemService.getDimensionbyItemType((ConsumerBean) con, itemType);
}
if(dimension == null) { dimension = Constants.DEFAULT_DIMENSION; }
if(name != null && name.length() > 0) {
res = itemService.getItemsByName((ConsumerBean)con,Util.getLimit(req),Util.getFull(req),Util.getName(req),dimension);
}
//all
else {
res = itemService.getItems((ConsumerBean)con,Util.getLimit(req),Util.getFull(req),Util.getSort(req),dimension);
}
}
catch(APIException e) {
ApiLoggerServer.log(this, e);
res = new ErrorBean(e);
}
catch(Exception e) {
ApiLoggerServer.log(this, e);
APIException apiEx = new APIException(APIException.GENERIC_ERROR);
res = new ErrorBean(apiEx);
}
}
ApiLogger.log("items",start,new Date(),con,res,req);
if (callback != null) {
return asCallback(callback, res);
} else {
return res;
}
}
@RequestMapping(value="/items/{itemId}", method = RequestMethod.GET)
public @ResponseBody Object retrieveUser(@PathVariable String itemId,HttpServletRequest req,
@RequestParam(value = "jsonpCallback", required = false) String callback) {
Date start = new Date();
ResourceBean con = resourceServer.validateResourceRequest(req);
ResourceBean res = con;
if(con instanceof ConsumerBean) {
MDCKeys.addKeysItem((ConsumerBean)con, itemId);
try {
res = itemService.getItem((ConsumerBean)con,itemId,Util.getFull(req));
}
catch(APIException e) {
ApiLoggerServer.log(this, e);
res = new ErrorBean(e);
}
catch(Exception e) {
ApiLoggerServer.log(this, e);
APIException apiEx = new APIException(APIException.GENERIC_ERROR);
res = new ErrorBean(apiEx);
}
}
ApiLogger.log("items.item_id",start,new Date(),con,res,req);
if (callback != null) {
return asCallback(callback, res);
} else {
return res;
}
}
@RequestMapping(value="/items", method = RequestMethod.POST)
public @ResponseBody ResourceBean addItem(@RequestBody ItemBean item, HttpServletRequest req) {
Date start = new Date();
ResourceBean con = resourceServer.validateResourceRequest(req);
ResourceBean responseBean;
if (con instanceof ConsumerBean) {
try {
if (item != null)
MDCKeys.addKeysItem((ConsumerBean)con, item.getId());
itemService.addItem((ConsumerBean) con, item);
responseBean = item;
} catch (APIException e) {
ApiLoggerServer.log(this, e);
responseBean = new ErrorBean(e);
} catch (Exception e) {
ApiLoggerServer.log(this, e);
APIException apiEx = new APIException(APIException.INCORRECT_FIELD);
responseBean = new ErrorBean(apiEx);
}
} else {
responseBean = con;
}
ApiLogger.log("items",start, new Date(), con, responseBean, req);
return responseBean;
}
@RequestMapping(value = "/items", method = RequestMethod.PUT)
public @ResponseBody ResourceBean updateItem(@RequestBody ItemBean item, HttpServletRequest req) {
Date start = new Date();
ResourceBean con = resourceServer.validateResourceRequest(req);
ResourceBean responseBean;
if (con instanceof ConsumerBean) {
if (item != null)
MDCKeys.addKeysItem((ConsumerBean)con, item.getId());
responseBean = itemBusinessService.updateItem((ConsumerBean) con, item);
} else {
responseBean = con;
}
ApiLogger.log("items",start, new Date(), con, responseBean, req);
return responseBean;
}
@RequestMapping(value="/items/types", method = RequestMethod.GET)
public @ResponseBody ResourceBean retrieveItemTypes(HttpServletRequest req) {
Date start = new Date();
ResourceBean con = resourceServer.validateResourceRequest(req);
ResourceBean res = con;
if(con instanceof ConsumerBean) {
MDCKeys.addKeysConsumer((ConsumerBean)con);
try {
res = ItemService.getItemTypes((ConsumerBean)con);
}
catch(APIException e) {
ApiLoggerServer.log(this, e);
res = new ErrorBean(e);
}
catch(Exception e) {
ApiLoggerServer.log(this, e);
APIException apiEx = new APIException(APIException.GENERIC_ERROR);
res = new ErrorBean(apiEx);
}
}
ApiLogger.log("items.types",start,new Date(),con,res,req);
return res;
}
private JSONPObject asCallback(String callbackName, Object valueObject) {
return new JSONPObject(callbackName, valueObject);
}
}