feat: add feature get all article support pagination

dto/article_dto.go

@@ -11,7 +11,7 @@ type ArticleResponseDTO struct {
 	Author      string `json:"author"`
 	Heading     string `json:"heading"`
 	Content     string `json:"content"`
-	PublishedAt string `json:"createdAt"`
+	PublishedAt string `json:"publishedAt"`
 	UpdatedAt   string `json:"updatedAt"`
 }
 

internal/handler/article_handler.go

@@ -1,6 +1,8 @@
 package handler
 
 import (
+	"strconv"
+
 	"github.com/gofiber/fiber/v2"
 	"github.com/pahmiudahgede/senggoldong/dto"
 	"github.com/pahmiudahgede/senggoldong/internal/services"
@@ -33,3 +35,27 @@ func (h *ArticleHandler) CreateArticle(c *fiber.Ctx) error {
 
 	return utils.CreateResponse(c, articleResponse, "Article created successfully")
 }
+
+func (h *ArticleHandler) GetAllArticles(c *fiber.Ctx) error {
+
+	page, err := strconv.Atoi(c.Query("page", "0"))
+	if err != nil {
+		page = 0
+	}
+	limit, err := strconv.Atoi(c.Query("limit", "0"))
+	if err != nil {
+		limit = 0
+	}
+
+	article, totalArticle, err := h.ArticleService.GetAllArticles(page, limit)
+	if err != nil {
+		return utils.GenericErrorResponse(c, fiber.StatusInternalServerError, "Failed to fetch article")
+	}
+
+	if page > 0 && limit > 0 {
+		return utils.PaginatedResponse(c, article, page, limit, totalArticle, "Article fetched successfully")
+	}
+
+	return utils.NonPaginatedResponse(c, article, totalArticle, "Article fetched successfully")
+
+}

internal/services/article_service.go

@@ -12,6 +12,7 @@ import (
 
 type ArticleService interface {
 	CreateArticle(articleDTO dto.RequestArticleDTO) (*dto.ArticleResponseDTO, error)
+	GetAllArticles(page, limit int) ([]dto.ArticleResponseDTO, int, error)
 }
 
 type articleService struct {
@@ -62,3 +63,63 @@ func (s *articleService) CreateArticle(articleDTO dto.RequestArticleDTO) (*dto.A
 
 	return articleResponseDTO, nil
 }
+
+func (s *articleService) GetAllArticles(page, limit int) ([]dto.ArticleResponseDTO, int, error) {
+
+	cacheKey := fmt.Sprintf("articles_page:%d_limit:%d", page, limit)
+
+	cachedData, err := utils.GetJSONData(cacheKey)
+	if err == nil && cachedData != nil {
+		var articles []dto.ArticleResponseDTO
+		if data, ok := cachedData["data"].([]interface{}); ok {
+			for _, item := range data {
+				articleData, ok := item.(map[string]interface{})
+				if ok {
+					articles = append(articles, dto.ArticleResponseDTO{
+						ID:          articleData["article_id"].(string),
+						Title:       articleData["title"].(string),
+						CoverImage:  articleData["coverImage"].(string),
+						Author:      articleData["author"].(string),
+						Heading:     articleData["heading"].(string),
+						Content:     articleData["content"].(string),
+						PublishedAt: articleData["publishedAt"].(string),
+						UpdatedAt:   articleData["updatedAt"].(string),
+					})
+				}
+			}
+			return articles, len(articles), nil
+		}
+	}
+
+	articles, total, err := s.ArticleRepo.FindAllArticles(page, limit)
+	if err != nil {
+		return nil, 0, fmt.Errorf("failed to fetch articles: %v", err)
+	}
+
+	var articleDTOs []dto.ArticleResponseDTO
+	for _, article := range articles {
+		publishedAt, _ := utils.FormatDateToIndonesianFormat(article.PublishedAt)
+		updatedAt, _ := utils.FormatDateToIndonesianFormat(article.UpdatedAt)
+
+		articleDTOs = append(articleDTOs, dto.ArticleResponseDTO{
+			ID:          article.ID,
+			Title:       article.Title,
+			CoverImage:  article.CoverImage,
+			Author:      article.Author,
+			Heading:     article.Heading,
+			Content:     article.Content,
+			PublishedAt: publishedAt,
+			UpdatedAt:   updatedAt,
+		})
+	}
+
+	cacheData := map[string]interface{}{
+		"data": articleDTOs,
+	}
+	err = utils.SetJSONData(cacheKey, cacheData, time.Hour*24)
+	if err != nil {
+		fmt.Printf("Error caching articles to Redis: %v\n", err)
+	}
+
+	return articleDTOs, total, nil
+}

presentation/article_route.go

@@ -18,4 +18,5 @@ func ArticleRouter(api fiber.Router) {
 	articleAPI := api.Group("/article-rijik")
 
 	articleAPI.Post("/create-article", middleware.AuthMiddleware, middleware.RoleMiddleware(utils.RoleAdministrator), articleHandler.CreateArticle)
+	articleAPI.Get("/view-article", middleware.AuthMiddleware, articleHandler.GetAllArticles)
 }