Commit 4dede2f

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add: Get All Categories REST API

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+23

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Lines changed: 8 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -7,6 +7,8 @@`
`7`	`7`	`import org.springframework.security.access.prepost.PreAuthorize;`
`8`	`8`	`import org.springframework.web.bind.annotation.*;`
`9`	`9`
	`10`	`+import java.util.List;`
	`11`	`+`
`10`	`12`	`@RestController`
`11`	`13`	`@RequestMapping("/api/categories")`
`12`	`14`	`public class CategoryController {`
`@@ -30,4 +32,10 @@ public ResponseEntity<CategoryDto> getCategory(@PathVariable("id") Long category`
`30`	`32`	`CategoryDto categoryDto = categoryService.getCategory(categoryId);`
`31`	`33`	`return ResponseEntity.ok(categoryDto);`
`32`	`34`	`}`
	`35`	`+`
	`36`	`+ // build Get All Categories REST API`
	`37`	`+ @GetMapping`
	`38`	`+ public ResponseEntity<List<CategoryDto>> getCategories() {`
	`39`	`+ return ResponseEntity.ok(categoryService.getAllCategories());`
	`40`	`+ }`
`33`	`41`	`}`

Lines changed: 4 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -3,8 +3,12 @@`
`3`	`3`	`import com.springboot.blog.entity.Category;`
`4`	`4`	`import com.springboot.blog.payload.CategoryDto;`
`5`	`5`
	`6`	`+import java.util.List;`
	`7`	`+`
`6`	`8`	`public interface CategoryService {`
`7`	`9`	`CategoryDto addCategory(CategoryDto categoryDto);`
`8`	`10`
`9`	`11`	`CategoryDto getCategory(Long categoryId);`
	`12`	`+`
	`13`	`+ List<CategoryDto> getAllCategories();`
`10`	`14`	`}`

Lines changed: 11 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -8,6 +8,9 @@`
`8`	`8`	`import org.modelmapper.ModelMapper;`
`9`	`9`	`import org.springframework.stereotype.Service;`
`10`	`10`
	`11`	`+import java.util.List;`
	`12`	`+import java.util.stream.Collectors;`
	`13`	`+`
`11`	`14`	`@Service`
`12`	`15`	`public class CategoryServiceImpl implements CategoryService {`
`13`	`16`	`private CategoryRepository categoryRepository;`
`@@ -33,4 +36,12 @@ public CategoryDto getCategory(Long categoryId) {`
`33`	`36`
`34`	`37`	`return modelMapper.map(category, CategoryDto.class);`
`35`	`38`	`}`
	`39`	`+`
	`40`	`+ @Override`
	`41`	`+ public List<CategoryDto> getAllCategories() {`
	`42`	`+ List<Category> categories = categoryRepository.findAll();`
	`43`	`+`
	`44`	`+ return categories.stream().map((category) -> modelMapper.map(category, CategoryDto.class))`
	`45`	`+ .collect(Collectors.toList());`
	`46`	`+ }`
`36`	`47`	`}`

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