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优化按需抓取逻辑：改为异步处理以提升性能，并为相关接口新增 202 状态支持

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hanxuanyu
2026-01-30 15:49:51 +08:00
parent 8ef66b2cb1
commit fb636b9450
3 changed files with 51 additions and 23 deletions
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30
internal/http/handlers/image.go
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@@ -48,11 +48,16 @@ type ImageMetaResp struct {
// @Param format query string false "格式 (jpg)" default(jpg)
// @Produce image/jpeg
// @Success 200 {file} binary
// @Success 202 {object} map[string]string "按需抓取任务已启动"
// @Failure 404 {object} map[string]string "图片未找到，响应体包含具体原因"
// @Router /image/today [get]
func GetToday(c *gin.Context) {
mkt := c.Query("mkt")
img, err := image.GetTodayImage(mkt)
if err == image.ErrFetchStarted {
c.JSON(http.StatusAccepted, gin.H{"message": fmt.Sprintf("On-demand fetch started for region [%s]. Please try again later.", mkt)})
return
}
if err != nil {
sendImageNotFound(c, mkt)
return
@@ -67,11 +72,16 @@ func GetToday(c *gin.Context) {
// @Param mkt query string false "地区编码 (如 zh-CN, en-US)"
// @Produce json
// @Success 200 {object} ImageMetaResp
// @Success 202 {object} map[string]string "按需抓取任务已启动"
// @Failure 404 {object} map[string]string "图片未找到，响应体包含具体原因"
// @Router /image/today/meta [get]
func GetTodayMeta(c *gin.Context) {
mkt := c.Query("mkt")
img, err := image.GetTodayImage(mkt)
if err == image.ErrFetchStarted {
c.JSON(http.StatusAccepted, gin.H{"message": fmt.Sprintf("On-demand fetch started for region [%s]. Please try again later.", mkt)})
return
}
if err != nil {
sendImageNotFound(c, mkt)
return
@@ -89,11 +99,16 @@ func GetTodayMeta(c *gin.Context) {
// @Param format query string false "格式" default(jpg)
// @Produce image/jpeg
// @Success 200 {file} binary
// @Success 202 {object} map[string]string "按需抓取任务已启动"
// @Failure 404 {object} map[string]string "图片未找到，响应体包含具体原因"
// @Router /image/random [get]
func GetRandom(c *gin.Context) {
mkt := c.Query("mkt")
img, err := image.GetRandomImage(mkt)
if err == image.ErrFetchStarted {
c.JSON(http.StatusAccepted, gin.H{"message": fmt.Sprintf("On-demand fetch started for region [%s]. Please try again later.", mkt)})
return
}
if err != nil {
sendImageNotFound(c, mkt)
return
@@ -108,11 +123,16 @@ func GetRandom(c *gin.Context) {
// @Param mkt query string false "地区编码 (如 zh-CN, en-US)"
// @Produce json
// @Success 200 {object} ImageMetaResp
// @Success 202 {object} map[string]string "按需抓取任务已启动"
// @Failure 404 {object} map[string]string "图片未找到，响应体包含具体原因"
// @Router /image/random/meta [get]
func GetRandomMeta(c *gin.Context) {
mkt := c.Query("mkt")
img, err := image.GetRandomImage(mkt)
if err == image.ErrFetchStarted {
c.JSON(http.StatusAccepted, gin.H{"message": fmt.Sprintf("On-demand fetch started for region [%s]. Please try again later.", mkt)})
return
}
if err != nil {
sendImageNotFound(c, mkt)
return
@@ -131,12 +151,17 @@ func GetRandomMeta(c *gin.Context) {
// @Param format query string false "格式" default(jpg)
// @Produce image/jpeg
// @Success 200 {file} binary
// @Success 202 {object} map[string]string "按需抓取任务已启动"
// @Failure 404 {object} map[string]string "图片未找到，响应体包含具体原因"
// @Router /image/date/{date} [get]
func GetByDate(c *gin.Context) {
date := c.Param("date")
mkt := c.Query("mkt")
img, err := image.GetImageByDate(date, mkt)
if err == image.ErrFetchStarted {
c.JSON(http.StatusAccepted, gin.H{"message": fmt.Sprintf("On-demand fetch started for region [%s]. Please try again later.", mkt)})
return
}
if err != nil {
sendImageNotFound(c, mkt)
return
@@ -152,12 +177,17 @@ func GetByDate(c *gin.Context) {
// @Param mkt query string false "地区编码 (如 zh-CN, en-US)"
// @Produce json
// @Success 200 {object} ImageMetaResp
// @Success 202 {object} map[string]string "按需抓取任务已启动"
// @Failure 404 {object} map[string]string "图片未找到，响应体包含具体原因"
// @Router /image/date/{date}/meta [get]
func GetByDateMeta(c *gin.Context) {
date := c.Param("date")
mkt := c.Query("mkt")
img, err := image.GetImageByDate(date, mkt)
if err == image.ErrFetchStarted {
c.JSON(http.StatusAccepted, gin.H{"message": fmt.Sprintf("On-demand fetch started for region [%s]. Please try again later.", mkt)})
return
}
if err != nil {
sendImageNotFound(c, mkt)
return