fix(server): add supplier module

Author: gonbaum

resources/activities.json

@@ -1 +1 @@
-rootProject.name = "activity"
+rootProject.name = "main.java.com.getyourguide"

resources/suppliers.json

@@ -1,4 +1,4 @@
-package com.getyourguide.activity;
+package com.getyourguide;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;

server/settings.gradle.kts

@@ -0,0 +1,46 @@
+package com.getyourguide.supplier.controller;
+
+import com.getyourguide.supplier.model.Supplier;
+import com.getyourguide.supplier.service.SupplierService;
+import java.io.IOException;
+import java.util.List;
+import java.util.Optional;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.*;
+
+@Controller
+@CrossOrigin(origins = "*", allowedHeaders = "*")
+public class SupplierController {
+
+  @Autowired
+  private SupplierService supplierService;
+
+  @GetMapping("/suppliers")
+  public ResponseEntity<List<Supplier>> suppliers() {
+    try {
+      List<Supplier> suppliers = supplierService.getAllSuppliers();
+      return ResponseEntity.ok(suppliers);
+    } catch (IOException e) {
+      throw new RuntimeException(e);
+    }
+  }
+
+  @GetMapping("/suppliers/{id}")
+  public ResponseEntity<Supplier> getSupplierById(@PathVariable long id) {
+    try {
+      Optional<Supplier> matchedSupplier = supplierService.getSupplierById(id);
+
+      // Return the controller if found, or a 404 response if not found
+      if (matchedSupplier.isPresent()) {
+        return ResponseEntity.ok(matchedSupplier.get());
+      } else {
+        return ResponseEntity.notFound().build();
+      }
+    } catch (IOException e) {
+      throw new RuntimeException(e);
+    }
+  }
+}

server/src/main/java/com/getyourguide/activity/GetYourGuideApplication.java renamed to server/src/main/java/com/getyourguide/GetYourGuideApplication.java

@@ -0,0 +1,18 @@
+package com.getyourguide.supplier.model;
+
+import lombok.*;
+
+@Data
+@Getter
+@Setter
+@AllArgsConstructor
+@NoArgsConstructor
+public class Supplier {
+
+  private Long id;
+  private String name;
+  private String address;
+  private String zip;
+  private String city;
+  private String country;
+}

server/src/main/java/com/getyourguide/supplier/controller/SupplierController.java

@@ -0,0 +1,50 @@
+package com.getyourguide.supplier.service;
+
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.getyourguide.supplier.model.Supplier;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.List;
+import java.util.Optional;
+import java.util.stream.Collectors;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.core.io.Resource;
+import org.springframework.core.io.ResourceLoader;
+import org.springframework.stereotype.Service;
+
+@Service
+public class SupplierService {
+
+  private final ResourceLoader resourceLoader;
+
+  @Autowired
+  public SupplierService(ResourceLoader resourceLoader) {
+    this.resourceLoader = resourceLoader;
+  }
+
+  public List<Supplier> getAllSuppliers() throws IOException {
+    List<Supplier> suppliers = readSuppliersFromJsonFile();
+    return suppliers;
+  }
+
+  public Optional<Supplier> getSupplierById(long id) throws IOException {
+    List<Supplier> suppliers = readSuppliersFromJsonFile();
+    return suppliers
+      .stream()
+      .filter(supplier -> supplier.getId() == id)
+      .findFirst();
+  }
+
+  private List<Supplier> readSuppliersFromJsonFile() throws IOException {
+    ObjectMapper objectMapper = new ObjectMapper();
+    Resource resource = resourceLoader.getResource(
+      "classpath:static/suppliers.json"
+    );
+    InputStream inputStream = resource.getInputStream();
+    return objectMapper.readValue(
+      inputStream,
+      new TypeReference<List<Supplier>>() {}
+    );
+  }
+}