move handler from http to module

internal/feed/handler.go

@@ -0,0 +1,42 @@
+package feed
+
+import (
+	"time"
+
+	"github.com/gin-gonic/gin"
+)
+
+type ListLatestRequest struct {
+	Limit      int   `json:"limit"`
+	LatestTime int64 `json:"latest_time"`
+}
+
+type FeedHandler struct {
+	service *FeedService
+}
+
+func NewFeedHandler(service *FeedService) *FeedHandler {
+	return &FeedHandler{service: service}
+}
+
+func (f *FeedHandler) ListLatest(c *gin.Context) {
+	var req ListLatestRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(400, gin.H{"error": err.Error()})
+		return
+	}
+	if req.Limit <= 0 || req.Limit > 50 {
+		req.Limit = 10
+	}
+	ctx := c.Request.Context()
+	var latestTime time.Time
+	if req.LatestTime > 0 {
+		latestTime = time.Unix(req.LatestTime, 0)
+	}
+	feeds, err := f.service.ListLatest(ctx, req.Limit, latestTime)
+	if err != nil {
+		c.JSON(500, gin.H{"error": err.Error()})
+		return
+	}
+	c.JSON(200, feeds)
+}