71 lines
2.8 KiB
Java
71 lines
2.8 KiB
Java
package ba.steleks.controller;
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import ba.steleks.error.exception.ExternalServiceException;
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import ba.steleks.repository.EventsJpaRepository;
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import ba.steleks.model.Event;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.web.client.RestTemplateBuilder;
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import org.springframework.cloud.client.ServiceInstance;
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import org.springframework.cloud.client.discovery.DiscoveryClient;
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import org.springframework.data.rest.webmvc.RepositoryRestController;
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import org.springframework.http.HttpStatus;
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import org.springframework.http.ResponseEntity;
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import org.springframework.web.bind.annotation.RequestBody;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestMethod;
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import org.springframework.web.client.HttpClientErrorException;
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import org.springframework.web.client.RestTemplate;
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import org.springframework.web.servlet.support.ServletUriComponentsBuilder;
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import java.net.URI;
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import java.util.List;
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/**
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* Created by admin on 01/04/2017.
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*/
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@RepositoryRestController
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public class EventController {
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private EventsJpaRepository repository;
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private RestTemplate restTemplate;
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private DiscoveryClient discoveryClient;
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@Autowired
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public EventController(EventsJpaRepository repository, RestTemplateBuilder restTemplateBuilder, DiscoveryClient discoveryClient) {
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this.repository = repository;
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this.restTemplate = restTemplateBuilder.build();
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this.discoveryClient = discoveryClient;
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}
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@RequestMapping(path = "/events", method = RequestMethod.POST)
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public ResponseEntity<?> add(@RequestBody Event event) throws ExternalServiceException {
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List<ServiceInstance> usersInstances = discoveryClient.getInstances("users");
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if(usersInstances == null || usersInstances.size() == 0) {
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System.err.print("Users service not found!");
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throw new ExternalServiceException();
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}
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ServiceInstance usersService = usersInstances.get(0);
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String usersServiceBase = usersService.getUri().toString();
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try {
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String response = restTemplate.getForObject(usersServiceBase + "/users/{id}", String.class, event.getCreatedById());
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Event result = repository.save(event);
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URI location = ServletUriComponentsBuilder
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.fromCurrentRequest().path("/{id}")
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.buildAndExpand(result.getId()).toUri();
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return ResponseEntity.created(location).body(result);
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} catch (Exception ex) {
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if (ex instanceof HttpClientErrorException && ((HttpClientErrorException) ex).getStatusCode() == HttpStatus.NOT_FOUND) {
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throw new HttpClientErrorException(HttpStatus.BAD_REQUEST);
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} else {
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throw new ExternalServiceException();
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}
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}
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}
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}
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