exercise

Hendrik Jungnitsch

2022-09-29 15bd64cdd3d1183371daa7b396f9dd620be8461c

exercise

 src/main/java/de/gedoplan/seminar/sbt/di/exercise/domain/CocktailOrder.java

@@ -27,6 +27,10 @@
  @Column(name = "COCKTAIL_COUNT")
  private Map<String, Integer> orderDetails = new TreeMap<>();

  public Integer getId() {
    return id;
  }

  public Date getOrderDate() {
    return this.orderDate;
  }

 src/main/java/de/gedoplan/seminar/sbt/di/exercise/exception/OutOfStockException.java

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@@ -0,0 +1,9 @@
package de.gedoplan.seminar.sbt.di.exercise.exception;

import de.gedoplan.seminar.sbt.di.exercise.domain.Beverage;

public class OutOfStockException extends RuntimeException {
  public OutOfStockException(Beverage cocktailIngredient) {
    super(cocktailIngredient.getName() + " is out of stock");
  }
}

 src/main/java/de/gedoplan/seminar/sbt/di/exercise/repository/CocktailOrderRepository.java

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@@ -0,0 +1,9 @@
package de.gedoplan.seminar.sbt.di.exercise.repository;

import de.gedoplan.seminar.sbt.di.exercise.domain.CocktailOrder;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository;

@Repository
public interface CocktailOrderRepository extends JpaRepository<CocktailOrder, Integer> {
}

 src/main/java/de/gedoplan/seminar/sbt/di/exercise/rest/MixerEndpoint.java

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@@ -0,0 +1,83 @@
package de.gedoplan.seminar.sbt.di.exercise.rest;

import de.gedoplan.seminar.sbt.di.exercise.domain.CocktailOrder;
import de.gedoplan.seminar.sbt.di.exercise.exception.OutOfStockException;
import de.gedoplan.seminar.sbt.di.exercise.repository.CocktailOrderRepository;
import de.gedoplan.seminar.sbt.di.exercise.service.CocktailOrderService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.server.ResponseStatusException;
import org.springframework.web.util.UriComponentsBuilder;

import java.net.URI;

@RequestMapping(path = "mixer", produces = MediaType.APPLICATION_JSON_VALUE)
@RestController
public class MixerEndpoint {

  @Autowired
  CocktailOrderService cocktailOrderService;

  @Autowired
  CocktailOrderRepository cocktailOrderRepository;


  @PostMapping(path = "order",produces = MediaType.TEXT_PLAIN_VALUE)
  public ResponseEntity<String> postOrder(UriComponentsBuilder uriComponentsBuilder) {
    Integer newId = this.cocktailOrderService.createNewOrder();
    return ResponseEntity
        .created(uriComponentsBuilder
                .pathSegment("api","mixer","order", newId.toString())
                .build().toUri())
        .build();
  }

  @GetMapping(value = "order/{id}")
  public CocktailOrder getOrder(@PathVariable Integer id) {
    return this.cocktailOrderRepository.findById(id)
            .orElseThrow(() -> new ResponseStatusException(HttpStatus.NOT_FOUND));
  }

  @PostMapping(path = "order/{id}/{cocktailId}", produces = MediaType.TEXT_PLAIN_VALUE)
  public ResponseEntity<String> addCocktail(@PathVariable Integer id, @PathVariable String cocktailId) {
    try {
      this.cocktailOrderService.addCocktail(id, cocktailId);

      return ResponseEntity
          .status(HttpStatus.CREATED)
          .build();
    } catch (IllegalArgumentException e) {
      return ResponseEntity
          .notFound()
          .build();
    } catch (OutOfStockException e) {
      return ResponseEntity
              .status(HttpStatus.CONFLICT)
          .body(e.getMessage());
    }
  }


  @PutMapping("order/{id}/placed")
  public ResponseEntity<String> setPlaced(@PathVariable Integer id) {
    try {
      this.cocktailOrderService.placeOrder(id);

      return ResponseEntity.noContent().build();
    } catch (IllegalArgumentException e) {
      return ResponseEntity
          .notFound()
          .build();
    }

  }


  @DeleteMapping("order/{id}")
  public void delete(@PathVariable Integer id) {
    this.cocktailOrderService.cancelOrder(id);
  }
}

 src/main/java/de/gedoplan/seminar/sbt/di/exercise/service/CocktailOrderService.java

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package de.gedoplan.seminar.sbt.di.exercise.service;

import de.gedoplan.seminar.sbt.di.exercise.domain.Cocktail;
import de.gedoplan.seminar.sbt.di.exercise.domain.CocktailOrder;
import de.gedoplan.seminar.sbt.di.exercise.repository.CocktailOrderRepository;
import de.gedoplan.seminar.sbt.di.exercise.repository.CocktailRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.transaction.annotation.Transactional;

@Component
public class CocktailOrderService {

  @Autowired
  CocktailOrderRepository cocktailOrderRepository;

  @Autowired
  CocktailRepository cocktailRepository;

  public Integer createNewOrder() {
    CocktailOrder cocktailOrder = new CocktailOrder();
    this.cocktailOrderRepository.save(cocktailOrder);
    this.cocktailOrderRepository.flush();
    return cocktailOrder.getId();
  }

  @Transactional
  public void addCocktail(Integer id, String cocktailId) {
    CocktailOrder cocktailOrder = this.cocktailOrderRepository.findById(id)
            .orElseThrow(() -> new IllegalArgumentException());
    Cocktail cocktail = cocktailRepository.findById(cocktailId)
            .orElseThrow(() -> new IllegalArgumentException());

    cocktailOrder.addCocktail(cocktailId);
  }

  @Transactional
  public void placeOrder(Integer id) {
    CocktailOrder cocktailOrder = this.cocktailOrderRepository.findById(id)
            .orElseThrow(() -> new IllegalArgumentException());

    if (!cocktailOrder.isPlaced()) {
      cocktailOrder.place();
    }
  }

  public void cancelOrder(Integer id) {
    this.cocktailOrderRepository.deleteById(id);
  }

}

 src/test/java/de/gedoplan/seminar/sbt/di/exercise/Exercise09Test.java

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package de.gedoplan.seminar.sbt.di.exercise;

import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.web.servlet.MockMvc;

import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;

@AutoConfigureMockMvc
@SpringBootTest
public class Exercise09Test {

    @Autowired
    MockMvc mockMvc;

    @Test
    public void testFiltersNonAlcEmpty() throws Exception {
        mockMvc.perform(get("/api/bar/cocktails"))
                .andExpect(status().isOk());


        mockMvc.perform(get("/api/methodCount"))
                .andExpect(jsonPath("$.findAll").value(2));

        mockMvc.perform(get("/api/bar/cocktails"))
                .andExpect(status().isOk());

        mockMvc.perform(get("/api/methodCount"))
                .andExpect(jsonPath("$.findAll").value(4));
    }

}