christoph/lecture-professional-software-development
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created first API implementation

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This commit is contained in:
LukasEttel
2020-03-12 13:52:50 +01:00
parent f8237853a8
commit c6c62b07bf
5 changed files with 63 additions and 65 deletions
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6
src/main/java/mops/gruppen2/config/Gruppen2Config.java
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@ -17,10 +17,4 @@ public class Gruppen2Config {
GroupService groupService;
@Autowired
EventService eventService;
@Bean
public List<Group> groups() throws EventException {
return groupService.projectEventList(eventService.findAllEvents());
}
}

44
src/main/java/mops/gruppen2/controller/APIController.java Normal file
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@ -0,0 +1,44 @@
package mops.gruppen2.controller;
import com.github.javafaker.Faker;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import mops.gruppen2.domain.Exceptions.EventException;
import mops.gruppen2.domain.Group;
import mops.gruppen2.domain.ProductSwaggerExample;
import mops.gruppen2.domain.event.Event;
import mops.gruppen2.service.EventService;
import mops.gruppen2.service.GroupService;
import mops.gruppen2.service.SerializationService;
import org.springframework.web.bind.annotation.*;
import java.util.ArrayList;
import java.util.List;
/**
* Ein Beispiel für eine API mit Swagger.
*/
@RestController
@RequestMapping("/gruppen2")
public class APIController {
private final SerializationService serializationService;
private final EventService eventService;
private final GroupService groupService;
public APIController(SerializationService serializationService, EventService eventService, GroupService groupService) {
this.serializationService = serializationService;
this.eventService = eventService;
this.groupService = groupService;
}
@GetMapping("/updatedGroups/{status}")
@ApiOperation(value = "Gibt alle Gruppen zurück in denen sich etwas geändert hat")
public List<Group> updateGroup(@ApiParam("Status des Anfragestellers") @PathVariable Long status) throws EventException {
List<Event> events = eventService.getNewEvents(status);
return groupService.projectEventList(events);
}
}

54
src/main/java/mops/gruppen2/controller/SwaggerAPIController.java
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@ -1,54 +0,0 @@
package mops.gruppen2.controller;
import com.github.javafaker.Faker;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import mops.gruppen2.domain.ProductSwaggerExample;
import mops.gruppen2.service.SerializationService;
import org.springframework.web.bind.annotation.*;
import java.util.ArrayList;
import java.util.List;
/**
* Ein Beispiel für eine API mit Swagger.
*/
@RestController
@RequestMapping("/products")
public class SwaggerAPIController {
private final Faker faker = new Faker();
private final List<ProductSwaggerExample> products = new ArrayList<>();
private final SerializationService serializationService;
public SwaggerAPIController(SerializationService serializationService) {
this.serializationService = serializationService;
}
@GetMapping("/get/all")
@ApiOperation(value = "Erzeugt eine Liste mit allen gespeicherten Produkten")
public List<ProductSwaggerExample> getProducts() {
return products;
}
@GetMapping("/get/{index}")
public ProductSwaggerExample getProduct(@ApiParam("Produkt Index") @PathVariable int index) {
return products.get(index);
}
@PostMapping("/save")
public String saveProduct(@RequestBody ProductSwaggerExample product) {
products.add(product);
return "Product saved successfully";
}
@PostMapping("/random")
public String saveRandomProduct() {
products.add(new ProductSwaggerExample(faker.food().ingredient(), "Empty"));
return "Product saved successfully";
}
}

5
src/main/java/mops/gruppen2/repository/EventRepository.java
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@ -1,9 +1,14 @@
package mops.gruppen2.repository;
import mops.gruppen2.domain.EventDTO;
import mops.gruppen2.domain.event.Event;
import org.springframework.data.jdbc.repository.query.Query;
import org.springframework.data.repository.CrudRepository;
import org.springframework.data.repository.query.Param;
import org.springframework.stereotype.Repository;
@Repository
public interface EventRepository extends CrudRepository<EventDTO, Long> {
@Query("SELECT * FROM event WHERE event_id > ?#{[0]}")
public Iterable<EventDTO> findNewEventSinceStatus(@Param("status") Long status);
}

17
src/main/java/mops/gruppen2/service/EventService.java
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@ -4,6 +4,7 @@ import com.fasterxml.jackson.core.JsonProcessingException;
import mops.gruppen2.domain.EventDTO;
import mops.gruppen2.domain.event.Event;
import mops.gruppen2.repository.EventRepository;
import org.bouncycastle.jcajce.provider.asymmetric.ec.KeyFactorySpi;
import org.springframework.stereotype.Service;
import java.util.ArrayList;
@ -52,16 +53,24 @@ public class EventService {
return tmpId;
}
public List<Event> findAllEvents() {
Iterable<EventDTO> eventDTOS = eventStore.findAll();
public List<Event> getNewEvents(Long status){
Iterable<EventDTO> eventDTOS = eventStore.findNewEventSinceStatus(status);
return translateEventDTOs(eventDTOS);
}
private List<Event> translateEventDTOs(Iterable<EventDTO> eventDTOS){
List<Event> events = new ArrayList<>();
eventDTOS.forEach(eventDTO -> {
for (EventDTO eventDTO : eventDTOS) {
try {
events.add(serializationService.deserializeEvent(eventDTO.getEvent_payload()));
}catch (JsonProcessingException e) {
e.printStackTrace();
}
});
}
return events;
}