refactor(P2): Handler 错误码精确化 — service 层引入哨兵错误，handler 层用 ClassifyHTTPStatus 分类
This commit is contained in:
Sisyphus
@@ -1,175 +1,176 @@
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package feed
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import (
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"feedsystem_video_go/internal/middleware/jwt"
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"time"
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"github.com/gin-gonic/gin"
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)
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type FeedHandler struct {
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service *FeedService
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}
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func NewFeedHandler(service *FeedService) *FeedHandler {
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return &FeedHandler{service: service}
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}
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func (f *FeedHandler) ListLatest(c *gin.Context) {
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var req ListLatestRequest
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(400, gin.H{"error": err.Error()})
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return
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}
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if req.Limit <= 0 || req.Limit > 50 {
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req.Limit = 10
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}
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var latestTime time.Time
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if req.LatestTime > 0 {
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latestTime = time.UnixMilli(req.LatestTime)
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}
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viewerAccountID, err := jwt.GetAccountID(c)
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if err != nil {
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viewerAccountID = 0
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}
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feedItems, err := f.service.ListLatest(c.Request.Context(), req.Limit, latestTime, viewerAccountID)
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if err != nil {
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c.JSON(500, gin.H{"error": err.Error()})
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return
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}
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feedItems.VideoList = nonNilFeedVideoItems(feedItems.VideoList)
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c.JSON(200, feedItems)
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}
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func (f *FeedHandler) ListLikesCount(c *gin.Context) {
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var req ListLikesCountRequest
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(400, gin.H{"error": err.Error()})
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return
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}
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if req.Limit <= 0 || req.Limit > 50 {
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req.Limit = 10
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}
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var cursor *LikesCountCursor
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if req.LikesCountBefore != nil || req.IDBefore != nil {
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if req.LikesCountBefore == nil || req.IDBefore == nil {
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c.JSON(400, gin.H{"error": "likes_count_before and id_before must be provided together"})
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return
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}
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likesCountBefore := *req.LikesCountBefore
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idBefore := *req.IDBefore
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if likesCountBefore < 0 {
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c.JSON(400, gin.H{"error": "invalid cursor: likes_count_before must be >= 0"})
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return
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}
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if idBefore == 0 {
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if likesCountBefore != 0 {
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c.JSON(400, gin.H{"error": "invalid cursor: id_before must be > 0"})
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return
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}
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} else {
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cursor = &LikesCountCursor{
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LikesCount: likesCountBefore,
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ID: idBefore,
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}
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}
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}
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viewerAccountID, err := jwt.GetAccountID(c)
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if err != nil {
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viewerAccountID = 0
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}
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feedItems, err := f.service.ListLikesCount(c.Request.Context(), req.Limit, cursor, viewerAccountID)
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if err != nil {
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c.JSON(500, gin.H{"error": err.Error()})
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return
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}
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feedItems.VideoList = nonNilFeedVideoItems(feedItems.VideoList)
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c.JSON(200, feedItems)
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}
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func (f *FeedHandler) ListByFollowing(c *gin.Context) {
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var req ListByFollowingRequest
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(400, gin.H{"error": err.Error()})
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return
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}
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if req.Limit <= 0 || req.Limit > 50 {
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req.Limit = 10
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}
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viewerAccountID, err := jwt.GetAccountID(c)
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if err != nil {
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viewerAccountID = 0
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}
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var latestTime time.Time
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if req.LatestTime > 0 {
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latestTime = time.Unix(req.LatestTime, 0)
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}
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feedItems, err := f.service.ListByFollowing(c.Request.Context(), req.Limit, latestTime, viewerAccountID)
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if err != nil {
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c.JSON(500, gin.H{"error": err.Error()})
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return
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}
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feedItems.VideoList = nonNilFeedVideoItems(feedItems.VideoList)
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c.JSON(200, feedItems)
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}
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func (f *FeedHandler) ListByPopularity(c *gin.Context) {
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var req ListByPopularityRequest
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(400, gin.H{"error": err.Error()})
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return
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}
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if req.Limit <= 0 || req.Limit > 50 {
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req.Limit = 10
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}
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viewerAccountID, err := jwt.GetAccountID(c)
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if err != nil {
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viewerAccountID = 0
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}
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var latestPopularity int64
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var latestBefore time.Time
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var latestIDBefore uint
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if req.LatestPopularity < 0 {
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c.JSON(400, gin.H{"error": "latest_popularity must be >= 0"})
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return
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}
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anyCursor := !req.LatestBefore.IsZero() || req.LatestIDBefore != nil
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if anyCursor {
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if req.LatestBefore.IsZero() || req.LatestIDBefore == nil || *req.LatestIDBefore == 0 {
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c.JSON(400, gin.H{"error": "latest_before and latest_id_before must be provided together"})
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return
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}
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latestPopularity = req.LatestPopularity
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latestBefore = req.LatestBefore
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latestIDBefore = *req.LatestIDBefore
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}
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resp, err := f.service.ListByPopularity(
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c.Request.Context(),
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req.Limit,
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req.AsOf,
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req.Offset,
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viewerAccountID,
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latestPopularity,
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latestBefore,
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latestIDBefore,
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)
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if err != nil {
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c.JSON(500, gin.H{"error": err.Error()})
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return
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}
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resp.VideoList = nonNilFeedVideoItems(resp.VideoList)
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c.JSON(200, resp)
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}
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func nonNilFeedVideoItems(items []FeedVideoItem) []FeedVideoItem {
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if items == nil {
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return []FeedVideoItem{}
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}
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return items
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}
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package feed
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import (
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"feedsystem_video_go/internal/middleware/jwt"
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httputil "feedsystem_video_go/internal/http"
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"time"
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"github.com/gin-gonic/gin"
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)
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type FeedHandler struct {
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service *FeedService
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}
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func NewFeedHandler(service *FeedService) *FeedHandler {
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return &FeedHandler{service: service}
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}
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func (f *FeedHandler) ListLatest(c *gin.Context) {
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var req ListLatestRequest
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(httputil.ClassifyHTTPStatus(err), gin.H{"error": err.Error()})
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return
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}
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if req.Limit <= 0 || req.Limit > 50 {
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req.Limit = 10
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}
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var latestTime time.Time
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if req.LatestTime > 0 {
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latestTime = time.UnixMilli(req.LatestTime)
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}
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viewerAccountID, err := jwt.GetAccountID(c)
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if err != nil {
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viewerAccountID = 0
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}
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feedItems, err := f.service.ListLatest(c.Request.Context(), req.Limit, latestTime, viewerAccountID)
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if err != nil {
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c.JSON(500, gin.H{"error": err.Error()})
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return
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}
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feedItems.VideoList = nonNilFeedVideoItems(feedItems.VideoList)
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c.JSON(200, feedItems)
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}
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func (f *FeedHandler) ListLikesCount(c *gin.Context) {
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var req ListLikesCountRequest
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(httputil.ClassifyHTTPStatus(err), gin.H{"error": err.Error()})
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return
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}
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if req.Limit <= 0 || req.Limit > 50 {
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req.Limit = 10
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}
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var cursor *LikesCountCursor
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if req.LikesCountBefore != nil || req.IDBefore != nil {
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if req.LikesCountBefore == nil || req.IDBefore == nil {
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c.JSON(400, gin.H{"error": "likes_count_before and id_before must be provided together"})
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return
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}
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likesCountBefore := *req.LikesCountBefore
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idBefore := *req.IDBefore
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if likesCountBefore < 0 {
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c.JSON(400, gin.H{"error": "invalid cursor: likes_count_before must be >= 0"})
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return
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}
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if idBefore == 0 {
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if likesCountBefore != 0 {
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c.JSON(400, gin.H{"error": "invalid cursor: id_before must be > 0"})
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return
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}
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} else {
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cursor = &LikesCountCursor{
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LikesCount: likesCountBefore,
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ID: idBefore,
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}
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}
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}
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viewerAccountID, err := jwt.GetAccountID(c)
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if err != nil {
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viewerAccountID = 0
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}
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feedItems, err := f.service.ListLikesCount(c.Request.Context(), req.Limit, cursor, viewerAccountID)
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if err != nil {
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c.JSON(500, gin.H{"error": err.Error()})
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return
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}
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feedItems.VideoList = nonNilFeedVideoItems(feedItems.VideoList)
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c.JSON(200, feedItems)
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}
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func (f *FeedHandler) ListByFollowing(c *gin.Context) {
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var req ListByFollowingRequest
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(httputil.ClassifyHTTPStatus(err), gin.H{"error": err.Error()})
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return
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}
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if req.Limit <= 0 || req.Limit > 50 {
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req.Limit = 10
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}
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viewerAccountID, err := jwt.GetAccountID(c)
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if err != nil {
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viewerAccountID = 0
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}
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var latestTime time.Time
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if req.LatestTime > 0 {
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latestTime = time.Unix(req.LatestTime, 0)
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}
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feedItems, err := f.service.ListByFollowing(c.Request.Context(), req.Limit, latestTime, viewerAccountID)
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if err != nil {
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c.JSON(500, gin.H{"error": err.Error()})
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return
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}
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feedItems.VideoList = nonNilFeedVideoItems(feedItems.VideoList)
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c.JSON(200, feedItems)
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}
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func (f *FeedHandler) ListByPopularity(c *gin.Context) {
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var req ListByPopularityRequest
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(httputil.ClassifyHTTPStatus(err), gin.H{"error": err.Error()})
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return
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}
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if req.Limit <= 0 || req.Limit > 50 {
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req.Limit = 10
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}
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viewerAccountID, err := jwt.GetAccountID(c)
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if err != nil {
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viewerAccountID = 0
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}
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var latestPopularity int64
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var latestBefore time.Time
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var latestIDBefore uint
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if req.LatestPopularity < 0 {
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c.JSON(400, gin.H{"error": "latest_popularity must be >= 0"})
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return
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}
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anyCursor := !req.LatestBefore.IsZero() || req.LatestIDBefore != nil
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if anyCursor {
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if req.LatestBefore.IsZero() || req.LatestIDBefore == nil || *req.LatestIDBefore == 0 {
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c.JSON(400, gin.H{"error": "latest_before and latest_id_before must be provided together"})
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return
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}
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latestPopularity = req.LatestPopularity
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latestBefore = req.LatestBefore
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latestIDBefore = *req.LatestIDBefore
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}
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resp, err := f.service.ListByPopularity(
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c.Request.Context(),
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req.Limit,
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req.AsOf,
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req.Offset,
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viewerAccountID,
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latestPopularity,
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latestBefore,
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latestIDBefore,
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)
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if err != nil {
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c.JSON(500, gin.H{"error": err.Error()})
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return
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}
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resp.VideoList = nonNilFeedVideoItems(resp.VideoList)
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c.JSON(200, resp)
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}
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func nonNilFeedVideoItems(items []FeedVideoItem) []FeedVideoItem {
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if items == nil {
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return []FeedVideoItem{}
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}
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return items
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}
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