Chapter-06 started

pom.xml

@@ -106,6 +106,15 @@
       <artifactId>groovy</artifactId>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>org.springframework.boot</groupId>
+      <artifactId>spring-boot-starter-data-rest</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.springframework.hateoas</groupId>
+      <artifactId>spring-hateoas</artifactId>
+      <version>0.15.0.RELEASE</version>
+    </dependency>
   </dependencies>
 
   <build>

src/main/java/tacos/data/IngredientRepository.java

@@ -1,9 +1,10 @@
 package tacos.data;
 
 import org.springframework.data.repository.CrudRepository;
+import org.springframework.data.repository.PagingAndSortingRepository;
 
 import tacos.Ingredient;
 
-public interface IngredientRepository extends CrudRepository<Ingredient, String> {
+public interface IngredientRepository extends PagingAndSortingRepository<Ingredient, String> {
 
 }

src/main/java/tacos/data/OrderRepository.java

@@ -1,9 +1,14 @@
 package tacos.data;
 
+import java.util.List;
+
+import org.springframework.data.domain.Pageable;
 import org.springframework.data.repository.CrudRepository;
 
 import tacos.Order;
+import tacos.User;
 
 public interface OrderRepository extends CrudRepository<Order, Long> {
 
+  List<Order> findByUserOrderByPlacedAtDesc(User user, Pageable pageable);
 }

src/main/java/tacos/data/TacoRepository.java

@@ -1,9 +1,10 @@
 package tacos.data;
 
 import org.springframework.data.repository.CrudRepository;
+import org.springframework.data.repository.PagingAndSortingRepository;
 
 import tacos.Taco;
 
-public interface TacoRepository extends CrudRepository<Taco, Long> {
+public interface TacoRepository extends PagingAndSortingRepository<Taco, Long> {
 
 }

src/main/java/tacos/web/OrderProps.java

@@ -0,0 +1,22 @@
+package tacos.web;
+import javax.validation.constraints.Max;
+import javax.validation.constraints.Min;
+
+import org.springframework.boot.context.properties.
+                                        ConfigurationProperties;
+import org.springframework.stereotype.Component;
+import org.springframework.validation.annotation.Validated;
+
+import lombok.Data;
+
+@Component
+@ConfigurationProperties(prefix="taco.orders")
+@Data
+@Validated
+public class OrderProps {
+
+  @Min(value=5, message="must be between 5 and 25")
+  @Max(value=25, message="must be between 5 and 25")
+  private int pageSize = 20;
+
+}

src/main/java/tacos/web/WebConfig.java

@@ -1,5 +1,6 @@
 package tacos.web;
 
+import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

src/main/java/tacos/web/api/DesignTacoController.java

@@ -0,0 +1,51 @@
+package tacos.web.api;
+
+import java.util.Optional;
+
+import tacos.Taco;
+import tacos.data.TacoRepository;
+
+import org.springframework.data.domain.PageRequest;
+import org.springframework.data.domain.Sort;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.CrossOrigin;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.ResponseStatus;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping(path = "/design", produces = "application/json")
+@CrossOrigin(origins = "*")
+public class DesignTacoController {
+  private final TacoRepository tacoRepo;
+
+  public DesignTacoController(TacoRepository tacoRepo) {
+    this.tacoRepo = tacoRepo;
+  }
+
+  @GetMapping("/recent")
+  public Iterable<Taco> recentTacos() {
+    PageRequest page = PageRequest.of(0, 12, Sort.by("createdAt")
+        .descending());
+    return tacoRepo.findAll(page)
+        .getContent();
+  }
+
+  @GetMapping("/{id}")
+  public ResponseEntity<Taco> tacoById(@PathVariable("id") Long id) {
+    Optional<Taco> optTaco = tacoRepo.findById(id);
+    return optTaco.map(taco -> new ResponseEntity<>(taco, HttpStatus.OK))
+        .orElseGet(() -> new ResponseEntity<>(null, HttpStatus.NOT_FOUND));
+  }
+
+  @PostMapping(consumes = "application/json")
+  @ResponseStatus(HttpStatus.CREATED)
+  public Taco postTaco(@RequestBody Taco taco) {
+    return tacoRepo.save(taco);
+  }
+}

src/main/java/tacos/web/api/IngredientController.java

@@ -0,0 +1,28 @@
+package tacos.web.api;
+
+import tacos.Ingredient;
+import tacos.data.IngredientRepository;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.CrossOrigin;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping(path = "/ingredientsx", produces = "application/json")
+@CrossOrigin(origins = "*")
+public class IngredientController {
+
+  private IngredientRepository repo;
+
+  @Autowired
+  public IngredientController(IngredientRepository repo) {
+    this.repo = repo;
+  }
+
+  @GetMapping
+  public Iterable<Ingredient> allIngredients() {
+    return repo.findAll();
+  }
+}

src/main/java/tacos/web/api/IngredientResource.java

@@ -0,0 +1,21 @@
+package tacos.web.api;
+
+import lombok.Getter;
+import tacos.Ingredient;
+import tacos.Ingredient.Type;
+
+import org.springframework.hateoas.ResourceSupport;
+
+public class IngredientResource extends ResourceSupport {
+
+  @Getter
+  private String name;
+
+  @Getter
+  private Type type;
+
+  public IngredientResource(Ingredient ingredient) {
+    this.name = ingredient.getName();
+    this.type = ingredient.getType();
+  }
+}

src/main/java/tacos/web/api/IngredientResourceAssembler.java

@@ -0,0 +1,22 @@
+package tacos.web.api;
+
+import org.springframework.hateoas.mvc.ResourceAssemblerSupport;
+
+import tacos.Ingredient;
+
+class IngredientResourceAssembler extends ResourceAssemblerSupport<Ingredient, IngredientResource> {
+
+  public IngredientResourceAssembler() {
+    super(IngredientController.class, IngredientResource.class);
+  }
+
+  @Override
+  public IngredientResource toResource(Ingredient ingredient) {
+    return createResourceWithId(ingredient.getId(), ingredient);
+  }
+
+  @Override
+  protected IngredientResource instantiateResource(Ingredient ingredient) {
+    return new IngredientResource(ingredient);
+  }
+}