Commit: 690c1f6

Commit Details

SHA	`690c1f6ce426c62c29e87ac132dda0f8125192ff`
Tree	`5a67fd55b56735ab4e469c7d06c1c73c4c2b4c20`
Author	<f69e50@finnacloud.com> 1766368110 +0300
Committer	<f69e50@finnacloud.com> 1766368110 +0300
Message	initialize backend structure with controllers, DTOs, and configuration files
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File: src/main/java/com/paymentlink/service/ProductService.java

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      package com.paymentlink.service;
    
      import com.paymentlink.model.entity.Product;
    
      import com.paymentlink.repository.ProductRepository;
    
      import com.paymentlink.reservation.ReservationService;
    
      import org.slf4j.Logger;
    
      import org.slf4j.LoggerFactory;
    
      import org.springframework.stereotype.Service;
    
      import org.springframework.transaction.annotation.Transactional;
    
      import java.util.List;
    
      import java.util.Optional;
    
      @Service
    
      public class ProductService {
    
          private static final Logger logger = LoggerFactory.getLogger(ProductService.class);
    
          private final ProductRepository productRepository;
    
          private final ReservationService reservationService;
    
          private final NodeIdService nodeIdService;
    
          public ProductService(ProductRepository productRepository, 
    
                               ReservationService reservationService,
    
                               NodeIdService nodeIdService) {
    
              this.productRepository = productRepository;
    
              this.reservationService = reservationService;
    
              this.nodeIdService = nodeIdService;
    
          }
    
          /**
    
           * Get all products with adjusted stock (minus reservations)
    
           */
    
          public List<Product> getAllProducts() {
    
              List<Product> products = productRepository.findAll();
    
              return adjustStockForReservations(products);
    
          }
    
          /**
    
           * Get products by category with adjusted stock
    
           */
    
          public List<Product> getProductsByCategory(String category) {
    
              List<Product> products = productRepository.findByCategory(category);
    
              return adjustStockForReservations(products);
    
          }
    
          /**
    
           * Search products with adjusted stock
    
           */
    
          public List<Product> searchProducts(String query, String category) {
    
              List<Product> products;
    
              if (category != null && !category.isEmpty()) {
    
                  products = productRepository.searchProductsByCategory(query, category);
    
              } else {
    
                  products = productRepository.searchProducts(query);
    
              }
    
              return adjustStockForReservations(products);
    
          }
    
          /**
    
           * Get products in stock (after reservations)
    
           */
    
          public List<Product> getProductsInStock() {
    
              List<Product> products = productRepository.findAll();
    
              products = adjustStockForReservations(products);
    
              return products.stream()
    
                      .filter(p -> p.getStock() == null || p.getStock() > 0)
    
                      .toList();
    
          }
    
          /**
    
           * Get product by ID with adjusted stock
    
           */
    
          public Optional<Product> getProductById(Long id) {
    
              Optional<Product> product = productRepository.findById(id);
    
              if (product.isPresent()) {
    
                  Product p = product.get();
    
                  if (p.getStock() != null) {
    
                      int reserved = reservationService.getReservedCount(p.getId());
    
                      p.setStock(Math.max(0, p.getStock() - reserved));
    
                  }
    
              }
    
              return product;
    
          }
    
          /**
    
           * Get product by ID without adjustment (for internal use)
    
           */
    
          public Optional<Product> getProductByIdRaw(Long id) {
    
              return productRepository.findById(id);
    
          }
    
          /**
    
           * Get all categories
    
           */
    
          public List<String> getAllCategories() {
    
              return productRepository.findDistinctCategories();
    
          }
    
          /**
    
           * Create a new product
    
           */
    
          @Transactional
    
          public Product createProduct(Product product) {
    
              product.setNodeId(nodeIdService.getNodeId());
    
              logger.info("Creating product: {}", product.getName());
    
              return productRepository.save(product);
    
          }
    
          /**
    
           * Update a product
    
           */
    
          @Transactional
    
          public Optional<Product> updateProduct(Long id, Product updates) {
    
              return productRepository.findById(id).map(existing -> {
    
                  if (updates.getName() != null) existing.setName(updates.getName());
    
                  if (updates.getDescription() != null) existing.setDescription(updates.getDescription());
    
                  if (updates.getPrice() != null) existing.setPrice(updates.getPrice());
    
                  if (updates.getCurrency() != null) existing.setCurrency(updates.getCurrency());
    
                  if (updates.getImage() != null) existing.setImage(updates.getImage());
    
                  if (updates.getStock() != null) existing.setStock(updates.getStock());
    
                  if (updates.getCategory() != null) existing.setCategory(updates.getCategory());
    
                  if (updates.getTaxIncluded() != null) existing.setTaxIncluded(updates.getTaxIncluded());
    
                  logger.info("Updating product: {}", id);
    
                  return productRepository.save(existing);
    
              });
    
          }
    
          /**
    
           * Delete a product
    
           */
    
          @Transactional
    
          public boolean deleteProduct(Long id) {
    
              if (productRepository.existsById(id)) {
    
                  productRepository.deleteById(id);
    
                  logger.info("Deleted product: {}", id);
    
                  return true;
    
              }
    
              return false;
    
          }
    
          /**
    
           * Update stock for a product
    
           */
    
          @Transactional
    
          public void updateStock(Long productId, int newStock) {
    
              productRepository.findById(productId).ifPresent(product -> {
    
                  product.setStock(newStock);
    
                  productRepository.save(product);
    
                  logger.info("Updated stock for product {}: {}", productId, newStock);
    
              });
    
          }
    
          /**
    
           * Decrease stock (for order completion)
    
           */
    
          @Transactional
    
          public void decreaseStock(Long productId, int quantity) {
    
              productRepository.findById(productId).ifPresent(product -> {
    
                  if (product.getStock() != null) {
    
                      int newStock = product.getStock() - quantity;
    
                      product.setStock(Math.max(0, newStock));
    
                      productRepository.save(product);
    
                      logger.info("Decreased stock for product {}: {} -> {}", 
    
                                productId, product.getStock() + quantity, newStock);
    
                  }
    
              });
    
          }
    
          /**
    
           * Adjust stock counts for reservations
    
           */
    
          private List<Product> adjustStockForReservations(List<Product> products) {
    
              return products.stream().map(p -> {
    
                  if (p.getStock() != null) {
    
                      int reserved = reservationService.getReservedCount(p.getId());
    
                      p.setStock(Math.max(0, p.getStock() - reserved));
    
                  }
    
                  return p;
    
              }).toList();
    
          }
    
      }

1	package com.paymentlink.service;
2
3	import com.paymentlink.model.entity.Product;
4	import com.paymentlink.repository.ProductRepository;
5	import com.paymentlink.reservation.ReservationService;
6	import org.slf4j.Logger;
7	import org.slf4j.LoggerFactory;
8	import org.springframework.stereotype.Service;
9	import org.springframework.transaction.annotation.Transactional;
10
11	import java.util.List;
12	import java.util.Optional;
13
14	@Service
15	public class ProductService {
16
17	private static final Logger logger = LoggerFactory.getLogger(ProductService.class);
18
19	private final ProductRepository productRepository;
20	private final ReservationService reservationService;
21	private final NodeIdService nodeIdService;
22
23	public ProductService(ProductRepository productRepository,
24	ReservationService reservationService,
25	NodeIdService nodeIdService) {
26	this.productRepository = productRepository;
27	this.reservationService = reservationService;
28	this.nodeIdService = nodeIdService;
29	}
30
31	/**
32	* Get all products with adjusted stock (minus reservations)
33	*/
34	public List<Product> getAllProducts() {
35	List<Product> products = productRepository.findAll();
36	return adjustStockForReservations(products);
37	}
38
39	/**
40	* Get products by category with adjusted stock
41	*/
42	public List<Product> getProductsByCategory(String category) {
43	List<Product> products = productRepository.findByCategory(category);
44	return adjustStockForReservations(products);
45	}
46
47	/**
48	* Search products with adjusted stock
49	*/
50	public List<Product> searchProducts(String query, String category) {
51	List<Product> products;
52	if (category != null && !category.isEmpty()) {
53	products = productRepository.searchProductsByCategory(query, category);
54	} else {
55	products = productRepository.searchProducts(query);
56	}
57	return adjustStockForReservations(products);
58	}
59
60	/**
61	* Get products in stock (after reservations)
62	*/
63	public List<Product> getProductsInStock() {
64	List<Product> products = productRepository.findAll();
65	products = adjustStockForReservations(products);
66	return products.stream()
67	.filter(p -> p.getStock() == null \|\| p.getStock() > 0)
68	.toList();
69	}
70
71	/**
72	* Get product by ID with adjusted stock
73	*/
74	public Optional<Product> getProductById(Long id) {
75	Optional<Product> product = productRepository.findById(id);
76	if (product.isPresent()) {
77	Product p = product.get();
78	if (p.getStock() != null) {
79	int reserved = reservationService.getReservedCount(p.getId());
80	p.setStock(Math.max(0, p.getStock() - reserved));
81	}
82	}
83	return product;
84	}
85
86	/**
87	* Get product by ID without adjustment (for internal use)
88	*/
89	public Optional<Product> getProductByIdRaw(Long id) {
90	return productRepository.findById(id);
91	}
92
93	/**
94	* Get all categories
95	*/
96	public List<String> getAllCategories() {
97	return productRepository.findDistinctCategories();
98	}
99
100	/**
101	* Create a new product
102	*/
103	@Transactional
104	public Product createProduct(Product product) {
105	product.setNodeId(nodeIdService.getNodeId());
106	logger.info("Creating product: {}", product.getName());
107	return productRepository.save(product);
108	}
109
110	/**
111	* Update a product
112	*/
113	@Transactional
114	public Optional<Product> updateProduct(Long id, Product updates) {
115	return productRepository.findById(id).map(existing -> {
116	if (updates.getName() != null) existing.setName(updates.getName());
117	if (updates.getDescription() != null) existing.setDescription(updates.getDescription());
118	if (updates.getPrice() != null) existing.setPrice(updates.getPrice());
119	if (updates.getCurrency() != null) existing.setCurrency(updates.getCurrency());
120	if (updates.getImage() != null) existing.setImage(updates.getImage());
121	if (updates.getStock() != null) existing.setStock(updates.getStock());
122	if (updates.getCategory() != null) existing.setCategory(updates.getCategory());
123	if (updates.getTaxIncluded() != null) existing.setTaxIncluded(updates.getTaxIncluded());
124
125	logger.info("Updating product: {}", id);
126	return productRepository.save(existing);
127	});
128	}
129
130	/**
131	* Delete a product
132	*/
133	@Transactional
134	public boolean deleteProduct(Long id) {
135	if (productRepository.existsById(id)) {
136	productRepository.deleteById(id);
137	logger.info("Deleted product: {}", id);
138	return true;
139	}
140	return false;
141	}
142
143	/**
144	* Update stock for a product
145	*/
146	@Transactional
147	public void updateStock(Long productId, int newStock) {
148	productRepository.findById(productId).ifPresent(product -> {
149	product.setStock(newStock);
150	productRepository.save(product);
151	logger.info("Updated stock for product {}: {}", productId, newStock);
152	});
153	}
154
155	/**
156	* Decrease stock (for order completion)
157	*/
158	@Transactional
159	public void decreaseStock(Long productId, int quantity) {
160	productRepository.findById(productId).ifPresent(product -> {
161	if (product.getStock() != null) {
162	int newStock = product.getStock() - quantity;
163	product.setStock(Math.max(0, newStock));
164	productRepository.save(product);
165	logger.info("Decreased stock for product {}: {} -> {}",
166	productId, product.getStock() + quantity, newStock);
167	}
168	});
169	}
170
171	/**
172	* Adjust stock counts for reservations
173	*/
174	private List<Product> adjustStockForReservations(List<Product> products) {
175	return products.stream().map(p -> {
176	if (p.getStock() != null) {
177	int reserved = reservationService.getReservedCount(p.getId());
178	p.setStock(Math.max(0, p.getStock() - reserved));
179	}
180	return p;
181	}).toList();
182	}
183	}
184
185

backend

Commit: 690c1f6

Commit Details

File: src/main/java/com/paymentlink/service/ProductService.java