updated readme file

README.md

@@ -107,7 +107,8 @@ my-product-management-svc
 
 - In the application.properties file under the resources folder add the database configuration.
 
-```java properties
+```java
+
 spring.datasource.url=jdbc:mysql://127.0.0.1:3306/productmngm?createDatabaseIfNotExist=true&useSSL=false&serverTimezone=UTC
 spring.datasource.username=root
 spring.datasource.password=01234
@@ -148,16 +149,19 @@ import java.util.List;
 
 ##### ii. Adding annotations
 
-```java
+```
+
 @Getter
 @Setter
 @Entity
 @Table(name = "category")
+
 ```
 
 ##### iii. Defining class and fields
 
 ```java
+
 public class Category {
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
@@ -177,6 +181,7 @@ public class Category {
     private LocalDateTime updatedAt;
 
 }
+
 ```
 
 #### Product Entity:
@@ -184,6 +189,7 @@ public class Category {
 ##### i. Importing packages and classes
 
 ```java
+
 package com.ctsb.my_product_management_svc.product;
 
 import com.ctsb.my_product_management_svc.category.Category;
@@ -193,20 +199,24 @@ import lombok.Setter;
 import org.hibernate.annotations.CreationTimestamp;
 import org.hibernate.annotations.UpdateTimestamp;
 import java.time.LocalDateTime;
+
 ```
 
 ##### ii. Adding annotations
 
-```java
+```
+
 @Getter
 @Setter
 @Entity
 @Table(name = "product")
+
 ```
 
 ##### iii. Defining class and fields
 
 ```java
+
 public class Product {
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
@@ -227,11 +237,13 @@ public class Product {
     @UpdateTimestamp
     private LocalDateTime updatedAt;
 }
+
 ```
 
 ##### iv. Creating Enum for product entity
 
-```Java
+```java
+
 package com.ctsb.my_product_management_svc.product;
 
 public enum Status {
@@ -239,11 +251,13 @@ public enum Status {
     OUT_OF_STOCK,
     DISCONTINUED
 }
+
 ```
 
 ##### v. Declaring relationship between category and product
 
 ```java
+
     //Declare one-to-many relationship to product in category
     @OneToMany(mappedBy = "category", orphanRemoval = true)
     @JsonIgnore
@@ -253,6 +267,7 @@ public enum Status {
     @ManyToOne
     @JoinColumn(name = "category_id", nullable = false)
     private Category category;
+
 ```
 
 <details>
@@ -361,24 +376,28 @@ public class Product {
 
 #### i. Creating CategoryRepository
 
-```Java
+```java
+
 package com.ctsb.my_product_management_svc.category;
 
 import org.springframework.data.jpa.repository.JpaRepository;
 
 public interface CategoryRepository extends JpaRepository<Category, Long> {
 }
+
 ```
 
 #### ii. Creating ProductRepository
 
-```Java
+```java
+
 package com.ctsb.my_product_management_svc.product;
 
 import org.springframework.data.jpa.repository.JpaRepository;
 
 public interface ProductRepository extends JpaRepository<Product, Long> {
 }
+
 ```
 
 ### 6. Creating Data Transfer Object(DTO) (10 minutes)
@@ -390,7 +409,8 @@ public interface ProductRepository extends JpaRepository<Product, Long> {
 
 #### i. Creating CategoryDto
 
-```Java
+```java
+
 package com.ctsb.my_product_management_svc.category;
 
 public record CategoryDto(
@@ -399,11 +419,13 @@ public record CategoryDto(
         Boolean active
 ) {
 }
+
 ```
 
 #### ii. Creating ProductDto
 
-```Java
+```java
+
 package com.ctsb.my_product_management_svc.product;
 
 public record ProductDto(
@@ -429,7 +451,8 @@ public record ProductDto(
 
 ##### i. Importing necessary packages and classes
 
-```
+```java
+
 package com.ctsb.my_product_management_svc.category;
 
 import lombok.AllArgsConstructor;
@@ -439,28 +462,34 @@ import org.springframework.web.server.ResponseStatusException;
 
 import java.time.LocalDateTime;
 import java.util.List;
+
 ```
 
 ##### ii. Adding necessary annotations
 
 ```
+
 @Service
 @AllArgsConstructor // Lombok annotation for constructor-based dependency injection
+
 ```
 
 ##### iii. Calling repository and declare error message
 
-```
+```java
+
 public class CategoryService {
 
     private final CategoryRepository categoryRepository; // Handles database operations
     private static final String NOT_FOUND = "Category with %s id is not found!"; // Error message template
 }
+
 ```
 
 ##### iv. Creating mapper method for create operation
 
-```
+```java
+
     // Maps DTO to Entity
     private Category mapper(CategoryDto categoryDto){
         var category = new Category();
@@ -469,11 +498,13 @@ public class CategoryService {
         category.setActive(categoryDto.active());
         return category;
     }
+
 ```
 
 ##### v. Creating logics for CRUD operations
 
-```
+```java
+
     // Get all categories
     public List <Category> findAll(){
             return categoryRepository.findAll();
@@ -526,13 +557,15 @@ public class CategoryService {
         );
         categoryRepository.deleteById(id);
     }
+
 ```
 
 <details>
 
 <summary> Full code of Category Service </summary>
 
-```Java
+```java
+
 package com.ctsb.my_product_management_svc.category;
 
 import lombok.AllArgsConstructor;
@@ -607,7 +640,8 @@ public class CategoryService {
 
 ##### i. Importing necessary packages and classes
 
-```
+```java
+
 package com.ctsb.my_product_management_svc.product;
 
 import com.ctsb.my_product_management_svc.category.Category;
@@ -618,29 +652,35 @@ import org.springframework.stereotype.Service;
 import org.springframework.web.server.ResponseStatusException;
 import java.time.LocalDateTime;
 import java.util.List;
+
 ```
 
 ##### ii. Adding necessary annotations
 
 ```
+
 @Service
 @AllArgsConstructor
+
 ```
 
 ##### iii. Calling repository and declare error message
 
-```
+```java
+
 public class ProductService {
 
     private final ProductRepository productRepository;  // Handles product database operations
     private final CategoryRepository categoryRepository;    // Handles category lookups
     private static final String NOT_FOUND = "Product with %s id is not found!"; // Error message template
 }
+
 ```
 
 ##### iv. Creating mapper method for create operation
 
-```
+```java
+
      // Maps DTO to Product entity (without category)
     private Product mapper(ProductDto productDto){
         var product = new Product();
@@ -651,11 +691,13 @@ public class ProductService {
         product.setStatus(productDto.status());
         return product;
     }
+
 ```
 
 ##### v. Creating logics for CRUD operations
 
-```
+```java
+
     // Get all products
     public List<Product> findAll(){
         return productRepository.findAll();
@@ -730,13 +772,15 @@ public class ProductService {
         );
         productRepository.deleteById(id);
     }
+
 ```
 
 <details>
 
 <summary> Full code of Product Service </summary>
 
-```Java
+```java
+
 package com.ctsb.my_product_management_svc.product;
 
 import com.ctsb.my_product_management_svc.category.Category;
@@ -842,35 +886,42 @@ public class ProductService {
 
 ##### i. Importing necessary packages and classes
 
-```
+```java
+
 package com.ctsb.my_product_management_svc.category;
 
 import lombok.AllArgsConstructor;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 import java.util.List;
+
 ```
 
 ##### ii. Adding necessary annotations
 
 ```
+
 @RestController
 @RequestMapping("/categories")  // Base path for all endpoints in this controller
 @AllArgsConstructor
+
 ```
 
 ##### iii. Calling category service class
 
-```
+```java
+
 public class CategoryController {
 
     private final CategoryService categoryService;  // Handles business logic
 }
+
 ```
 
 ##### iv. Creating endpoints for logic in service layer
 
-```
+```java
+
     // GET endpoint to retrieve all categories
     @GetMapping("/find")
     public ResponseEntity<List<Category>> findAll(){
@@ -905,13 +956,15 @@ public class CategoryController {
         categoryService.delete(id);
         return ResponseEntity.ok("Category deleted!");
     }
+
 ```
 
 <details>
 
 <summary> Full code for Category Controller </summary>
 
-```Java
+```java
+
 package com.ctsb.my_product_management_svc.category;
 
 import lombok.AllArgsConstructor;
@@ -965,35 +1018,42 @@ public class CategoryController {
 
 ##### i. Importing necessary packages and classes
 
-```
+```java
+
 package com.ctsb.my_product_management_svc.product;
 
 import lombok.AllArgsConstructor;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 import java.util.List;
+
 ```
 
 ##### ii. Adding necessary annotations
 
 ```
+
 @RestController
 @RequestMapping("/products")
 @AllArgsConstructor
+
 ```
 
 ##### iii. Calling product service class
 
-```
+```java
+
 public class ProductController {
 
     private final ProductService productService;    // Handles business logic
 }
+
 ```
 
 ##### iv. Creating endpoints for logic in service layer
 
-```
+```java
+
     // GET endpoint to retrieve all products
     @GetMapping("/find")
     public ResponseEntity<List<Product>> findAll(){
@@ -1031,13 +1091,14 @@ public class ProductController {
         productService.delete(id);
         return ResponseEntity.ok("Product deleted!");
     }
+
 ```
 
 <details>
 
 <summary> Full code for Product Controller </summary>
 
-```Java
+```java
 package com.ctsb.my_product_management_svc.product;
 
 import lombok.AllArgsConstructor;
@@ -1102,7 +1163,8 @@ public class ProductController {
 - Add OpenApi dependency in build.gradle file.
 - Build the project file.
 
-```
+```java
+
 dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
 	implementation 'org.springframework.boot:spring-boot-starter-web'
@@ -1113,13 +1175,15 @@ dependencies {
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 	testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
 }
+
 ```
 
 #### Setting up OpenApiConfig file
 
 ##### i. Packages and classes
 
-```
+```java
+
 package com.ctsb.my_product_management_svc.config;
 
 import io.swagger.v3.oas.annotations.OpenAPIDefinition;
@@ -1129,11 +1193,13 @@ import io.swagger.v3.oas.annotations.info.Info;
 import io.swagger.v3.oas.annotations.info.License;
 import io.swagger.v3.oas.annotations.security.SecurityRequirement;
 import io.swagger.v3.oas.annotations.security.SecurityScheme;
+
 ```
 
 ##### ii. OpenApi Definition
 
-```
+```java
+
 @OpenAPIDefinition(
         info = @Info(
                                                                                         // Contact information for support
@@ -1159,11 +1225,13 @@ import io.swagger.v3.oas.annotations.security.SecurityScheme;
                 )
         }
 )
+
 ```
 
 ##### iii. Security Configuration
 
-```
+```java
+
 @SecurityScheme(
         name = "bearerAuth",                                // Name referenced in SecurityRequirement
         description = "Input JWT token for authentication",
@@ -1171,22 +1239,26 @@ import io.swagger.v3.oas.annotations.security.SecurityScheme;
         scheme = "bearer",                                  // Bearer token scheme
         bearerFormat = "JWT"                                // Specifies JWT token format
 )
+
 ```
 
 ##### iii. OpenApi config class
 
-```
+```java
+
 public class OpenApiConfig {
     // Configuration-only class - no methods needed
     // Spring will automatically pick up these annotations
 }
+
 ```
 
 <details>
 
 <summary> Full code of OpenApi configuration </summary>
 
-```Java
+```java
+
 package com.ctsb.my_product_management_svc.config;
 
 import io.swagger.v3.oas.annotations.OpenAPIDefinition;
@@ -1235,7 +1307,8 @@ public class OpenApiConfig {
 
 #### Setting up SwaggerConfig file
 
-```Java
+```java
+
 package com.ctsb.my_product_management_svc.config;
 
 import io.swagger.v3.oas.models.OpenAPI;