feat(video): add like/unlike/isliked/getlikescount APIs for videos

internal/video/like_handler.go

@@ -0,0 +1,117 @@
+package video
+
+import (
+	"feedsystem_video_go/internal/middleware"
+
+	"github.com/gin-gonic/gin"
+)
+
+type LikeRequest struct {
+	VideoID uint `json:"video_id"`
+}
+
+type LikeHandler struct {
+	service *LikeService
+}
+
+func NewLikeHandler(service *LikeService) *LikeHandler {
+	return &LikeHandler{service: service}
+}
+
+func (lh *LikeHandler) Like(c *gin.Context) {
+	var req LikeRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(400, gin.H{"error": err.Error()})
+		return
+	}
+	if req.VideoID <= 0 {
+		c.JSON(400, gin.H{"error": "video_id is required"})
+		return
+	}
+
+	accountID, err := middleware.GetAccountID(c)
+	if err != nil {
+		c.JSON(400, gin.H{"error": err.Error()})
+		return
+	}
+
+	like := &Like{
+		VideoID:   req.VideoID,
+		AccountID: accountID,
+	}
+	if err := lh.service.Like(c.Request.Context(), like); err != nil {
+		c.JSON(500, gin.H{"error": err.Error()})
+		return
+	}
+	c.JSON(200, gin.H{"message": "like success"})
+}
+
+func (lh *LikeHandler) Unlike(c *gin.Context) {
+	var req LikeRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(400, gin.H{"error": err.Error()})
+		return
+	}
+	if req.VideoID <= 0 {
+		c.JSON(400, gin.H{"error": "video_id is required"})
+		return
+	}
+
+	accountID, err := middleware.GetAccountID(c)
+	if err != nil {
+		c.JSON(400, gin.H{"error": err.Error()})
+		return
+	}
+
+	like := &Like{
+		VideoID:   req.VideoID,
+		AccountID: accountID,
+	}
+	if err := lh.service.Unlike(c.Request.Context(), like); err != nil {
+		c.JSON(500, gin.H{"error": err.Error()})
+		return
+	}
+	c.JSON(200, gin.H{"message": "unlike success"})
+}
+
+func (lh *LikeHandler) IsLiked(c *gin.Context) {
+	var req LikeRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(400, gin.H{"error": err.Error()})
+		return
+	}
+	if req.VideoID <= 0 {
+		c.JSON(400, gin.H{"error": "video_id is required"})
+		return
+	}
+
+	accountID, err := middleware.GetAccountID(c)
+	if err != nil {
+		c.JSON(400, gin.H{"error": err.Error()})
+		return
+	}
+	isLiked, err := lh.service.IsLiked(c.Request.Context(), req.VideoID, accountID)
+	if err != nil {
+		c.JSON(500, gin.H{"error": err.Error()})
+		return
+	}
+	c.JSON(200, gin.H{"is_liked": isLiked})
+}
+
+func (lh *LikeHandler) GetLikesCount(c *gin.Context) {
+	var req LikeRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(400, gin.H{"error": err.Error()})
+		return
+	}
+	if req.VideoID <= 0 {
+		c.JSON(400, gin.H{"error": "video_id is required"})
+		return
+	}
+	likesCount, err := lh.service.GetLikesCount(c.Request.Context(), req.VideoID)
+	if err != nil {
+		c.JSON(500, gin.H{"error": err.Error()})
+		return
+	}
+	c.JSON(200, gin.H{"likes_count": likesCount})
+}