move: 后端

2025-12-25 22:40:20 +08:00
parent 99951ec3dc
commit 9ba916643e
31 changed files with 0 additions and 0 deletions
--- a/backend/internal/feed/handler.go
+++ b/backend/internal/feed/handler.go
@@ -0,0 +1,114 @@
+package feed
+
+import (
+	"feedsystem_video_go/internal/middleware"
+	"time"
+
+	"github.com/gin-gonic/gin"
+)
+
+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
+	}
+	var latestTime time.Time
+	if req.LatestTime > 0 {
+		latestTime = time.Unix(req.LatestTime, 0)
+	}
+	viewerAccountID, err := middleware.GetAccountID(c)
+	if err != nil {
+		viewerAccountID = 0
+	}
+	feedItems, err := f.service.ListLatest(c.Request.Context(), req.Limit, latestTime, viewerAccountID)
+	if err != nil {
+		c.JSON(500, gin.H{"error": err.Error()})
+		return
+	}
+	c.JSON(200, feedItems)
+}
+
+func (f *FeedHandler) ListLikesCount(c *gin.Context) {
+	var req ListLikesCountRequest
+	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
+	}
+
+	var cursor *LikesCountCursor
+	if req.LikesCountBefore != nil || req.IDBefore != nil {
+		if req.LikesCountBefore == nil || req.IDBefore == nil {
+			c.JSON(400, gin.H{"error": "likes_count_before and id_before must be provided together"})
+			return
+		}
+
+		likesCountBefore := *req.LikesCountBefore
+		idBefore := *req.IDBefore
+
+		if likesCountBefore < 0 {
+			c.JSON(400, gin.H{"error": "invalid cursor: likes_count_before must be >= 0"})
+			return
+		}
+		if idBefore == 0 {
+			if likesCountBefore != 0 {
+				c.JSON(400, gin.H{"error": "invalid cursor: id_before must be > 0"})
+				return
+			}
+		} else {
+			cursor = &LikesCountCursor{
+				LikesCount: likesCountBefore,
+				ID:         idBefore,
+			}
+		}
+	}
+	viewerAccountID, err := middleware.GetAccountID(c)
+	if err != nil {
+		viewerAccountID = 0
+	}
+	feedItems, err := f.service.ListLikesCount(c.Request.Context(), req.Limit, cursor, viewerAccountID)
+	if err != nil {
+		c.JSON(500, gin.H{"error": err.Error()})
+		return
+	}
+	c.JSON(200, feedItems)
+}
+
+func (f *FeedHandler) ListByFollowing(c *gin.Context) {
+	var req ListByFollowingRequest
+	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
+	}
+	viewerAccountID, err := middleware.GetAccountID(c)
+	if err != nil {
+		viewerAccountID = 0
+	}
+	var latestTime time.Time
+	if req.LatestTime > 0 {
+		latestTime = time.Unix(req.LatestTime, 0)
+	}
+	feedItems, err := f.service.ListByFollowing(c.Request.Context(), req.Limit, latestTime, viewerAccountID)
+	if err != nil {
+		c.JSON(500, gin.H{"error": err.Error()})
+		return
+	}
+	c.JSON(200, feedItems)
+}