feat: add SproutWorkCollect apps

SproutWorkCollect-Backend-Golang/internal/handler/public.go

@@ -0,0 +1,145 @@
+package handler
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+
+	"sproutworkcollect-backend/internal/service"
+)
+
+// PublicHandler handles all publicly accessible API endpoints.
+type PublicHandler struct {
+	workSvc     *service.WorkService
+	settingsSvc *service.SettingsService
+	rateLimiter *service.RateLimiter
+}
+
+// NewPublicHandler wires up a PublicHandler with its dependencies.
+func NewPublicHandler(
+	workSvc *service.WorkService,
+	settingsSvc *service.SettingsService,
+	rateLimiter *service.RateLimiter,
+) *PublicHandler {
+	return &PublicHandler{
+		workSvc:     workSvc,
+		settingsSvc: settingsSvc,
+		rateLimiter: rateLimiter,
+	}
+}
+
+// GetSettings handles GET /api/settings
+func (h *PublicHandler) GetSettings(c *gin.Context) {
+	settings, err := h.settingsSvc.Load()
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+	c.JSON(http.StatusOK, settings)
+}
+
+// GetWorks handles GET /api/works
+func (h *PublicHandler) GetWorks(c *gin.Context) {
+	works, err := h.workSvc.LoadAllWorks()
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"success": false, "message": err.Error()})
+		return
+	}
+
+	responses := make([]any, len(works))
+	for i, w := range works {
+		responses[i] = h.workSvc.BuildResponse(w)
+	}
+
+	c.JSON(http.StatusOK, gin.H{
+		"success": true,
+		"data":    responses,
+		"total":   len(responses),
+	})
+}
+
+// GetWorkDetail handles GET /api/works/:work_id
+func (h *PublicHandler) GetWorkDetail(c *gin.Context) {
+	workID := c.Param("work_id")
+
+	work, err := h.workSvc.LoadWork(workID)
+	if err != nil {
+		c.JSON(http.StatusNotFound, gin.H{"success": false, "message": "作品不存在"})
+		return
+	}
+
+	fp := service.Fingerprint(c.ClientIP(), c.GetHeader("User-Agent"))
+	if h.rateLimiter.CanPerform(fp, "view", workID) {
+		_ = h.workSvc.UpdateStats(workID, "view")
+		// Reload to return the updated view count.
+		if fresh, err2 := h.workSvc.LoadWork(workID); err2 == nil {
+			work = fresh
+		}
+	}
+
+	c.JSON(http.StatusOK, gin.H{
+		"success": true,
+		"data":    h.workSvc.BuildResponse(work),
+	})
+}
+
+// SearchWorks handles GET /api/search?q=...&category=...
+func (h *PublicHandler) SearchWorks(c *gin.Context) {
+	works, err := h.workSvc.SearchWorks(c.Query("q"), c.Query("category"))
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"success": false, "message": err.Error()})
+		return
+	}
+
+	responses := make([]any, len(works))
+	for i, w := range works {
+		responses[i] = h.workSvc.BuildResponse(w)
+	}
+
+	c.JSON(http.StatusOK, gin.H{
+		"success": true,
+		"data":    responses,
+		"total":   len(responses),
+	})
+}
+
+// GetCategories handles GET /api/categories
+func (h *PublicHandler) GetCategories(c *gin.Context) {
+	cats, err := h.workSvc.AllCategories()
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"success": false, "message": err.Error()})
+		return
+	}
+	c.JSON(http.StatusOK, gin.H{"success": true, "data": cats})
+}
+
+// LikeWork handles POST /api/like/:work_id
+func (h *PublicHandler) LikeWork(c *gin.Context) {
+	workID := c.Param("work_id")
+
+	if _, err := h.workSvc.LoadWork(workID); err != nil {
+		c.JSON(http.StatusNotFound, gin.H{"success": false, "message": "作品不存在"})
+		return
+	}
+
+	fp := service.Fingerprint(c.ClientIP(), c.GetHeader("User-Agent"))
+	if !h.rateLimiter.CanPerform(fp, "like", workID) {
+		c.JSON(http.StatusTooManyRequests, gin.H{
+			"success": false,
+			"message": "操作太频繁，请稍后再试",
+		})
+		return
+	}
+
+	if err := h.workSvc.UpdateStats(workID, "like"); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"success": false, "message": "点赞失败"})
+		return
+	}
+
+	work, _ := h.workSvc.LoadWork(workID)
+	c.JSON(http.StatusOK, gin.H{
+		"success": true,
+		"message": "点赞成功",
+		"likes":   work.Likes,
+	})
+}