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数据库表重新设计，精简数据结构以及存储结构

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This commit is contained in:
hxuanyu
2026-01-30 23:02:59 +08:00
parent e40677f105
commit 49c78506b2
11 changed files with 359 additions and 319 deletions
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148
internal/http/handlers/image.go
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@@ -53,7 +53,7 @@ type ImageMetaResp struct {
// @Router /image/today [get]
func GetToday(c *gin.Context) {
mkt := c.Query("mkt")
img, err := image.GetTodayImage(mkt)
imgRegion, 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
@@ -62,7 +62,7 @@ func GetToday(c *gin.Context) {
sendImageNotFound(c, mkt)
return
}
handleImageResponse(c, img, 7200) // 2小时
handleImageResponse(c, imgRegion, 7200) // 2小时
}
// GetTodayMeta 获取今日图片元数据
@@ -77,7 +77,7 @@ func GetToday(c *gin.Context) {
// @Router /image/today/meta [get]
func GetTodayMeta(c *gin.Context) {
mkt := c.Query("mkt")
img, err := image.GetTodayImage(mkt)
imgRegion, 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
@@ -87,7 +87,7 @@ func GetTodayMeta(c *gin.Context) {
return
}
c.Header("Cache-Control", "public, max-age=7200") // 2小时
c.JSON(http.StatusOK, formatMeta(img))
c.JSON(http.StatusOK, formatMeta(imgRegion))
}
// GetRandom 获取随机图片
@@ -102,9 +102,10 @@ func GetTodayMeta(c *gin.Context) {
// @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]
// GetRandom 获取随机图片
func GetRandom(c *gin.Context) {
mkt := c.Query("mkt")
img, err := image.GetRandomImage(mkt)
imgRegion, 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
@@ -113,7 +114,7 @@ func GetRandom(c *gin.Context) {
sendImageNotFound(c, mkt)
return
}
handleImageResponse(c, img, 0) // 禁用缓存
handleImageResponse(c, imgRegion, 0) // 禁用缓存
}
// GetRandomMeta 获取随机图片元数据
@@ -128,7 +129,7 @@ func GetRandom(c *gin.Context) {
// @Router /image/random/meta [get]
func GetRandomMeta(c *gin.Context) {
mkt := c.Query("mkt")
img, err := image.GetRandomImage(mkt)
imgRegion, 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
@@ -138,7 +139,7 @@ func GetRandomMeta(c *gin.Context) {
return
}
c.Header("Cache-Control", "no-cache, no-store, must-revalidate")
c.JSON(http.StatusOK, formatMeta(img))
c.JSON(http.StatusOK, formatMeta(imgRegion))
}
// GetByDate 获取指定日期图片
@@ -157,7 +158,7 @@ func GetRandomMeta(c *gin.Context) {
func GetByDate(c *gin.Context) {
date := c.Param("date")
mkt := c.Query("mkt")
img, err := image.GetImageByDate(date, mkt)
imgRegion, 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
@@ -166,7 +167,7 @@ func GetByDate(c *gin.Context) {
sendImageNotFound(c, mkt)
return
}
handleImageResponse(c, img, 604800) // 7天
handleImageResponse(c, imgRegion, 604800) // 7天
}
// GetByDateMeta 获取指定日期图片元数据
@@ -183,7 +184,7 @@ func GetByDate(c *gin.Context) {
func GetByDateMeta(c *gin.Context) {
date := c.Param("date")
mkt := c.Query("mkt")
img, err := image.GetImageByDate(date, mkt)
imgRegion, 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
@@ -193,7 +194,7 @@ func GetByDateMeta(c *gin.Context) {
return
}
c.Header("Cache-Control", "public, max-age=604800") // 7天
c.JSON(http.StatusOK, formatMeta(img))
c.JSON(http.StatusOK, formatMeta(imgRegion))
}
// ListImages 获取图片列表
@@ -308,21 +309,21 @@ func sendImageNotFound(c *gin.Context, mkt string) {
c.JSON(http.StatusNotFound, gin.H{"error": message})
}
func handleImageResponse(c *gin.Context, img *model.Image, maxAge int) {
func handleImageResponse(c *gin.Context, m *model.ImageRegion, maxAge int) {
variant := c.DefaultQuery("variant", "UHD")
format := c.DefaultQuery("format", "jpg")
var selected *model.ImageVariant
for _, v := range img.Variants {
for _, v := range m.Variants {
if v.Variant == variant && v.Format == format {
selected = &v
break
}
}
if selected == nil && len(img.Variants) > 0 {
if selected == nil && len(m.Variants) > 0 {
// 回退逻辑
selected = &img.Variants[0]
selected = &m.Variants[0]
}
if selected == nil {
@@ -339,9 +340,9 @@ func handleImageResponse(c *gin.Context, img *model.Image, maxAge int) {
c.Header("Cache-Control", "no-cache, no-store, must-revalidate")
}
c.Redirect(http.StatusFound, selected.PublicURL)
} else if img.URLBase != "" {
} else if m.URLBase != "" {
// 兜底重定向到原始 Bing
bingURL := fmt.Sprintf("https://www.bing.com%s_%s.jpg", img.URLBase, selected.Variant)
bingURL := fmt.Sprintf("https://www.bing.com%s_%s.jpg", m.URLBase, selected.Variant)
if maxAge > 0 {
c.Header("Cache-Control", fmt.Sprintf("public, max-age=%d", maxAge))
} else {
@@ -349,10 +350,10 @@ func handleImageResponse(c *gin.Context, img *model.Image, maxAge int) {
}
c.Redirect(http.StatusFound, bingURL)
} else {
serveLocal(c, selected.StorageKey, img.Date, maxAge)
serveLocal(c, selected.StorageKey, m.Date, maxAge)
}
} else {
serveLocal(c, selected.StorageKey, img.Date, maxAge)
serveLocal(c, selected.StorageKey, m.Date, maxAge)
}
}
@@ -385,25 +386,36 @@ func serveLocal(c *gin.Context, key string, etag string, maxAge int) {
io.Copy(c.Writer, reader)
}
func formatMetaSummary(img *model.Image) gin.H {
func formatMetaSummary(m *model.ImageRegion) gin.H {
cfg := config.GetConfig()
// 找到最小的变体（Size 最小）
// 找到最小的变体
var smallest *model.ImageVariant
for i := range img.Variants {
v := &img.Variants[i]
if smallest == nil || v.Size < smallest.Size {
for i := range m.Variants {
v := &m.Variants[i]
if smallest == nil {
smallest = v
continue
}
// 如果当前变体 Size 更小且不为 0，或者 smallest 的 Size 为 0
if v.Size > 0 && (smallest.Size == 0 || v.Size < smallest.Size) {
smallest = v
} else if v.Size == smallest.Size {
// 如果 Size 相同（包括都为 0），根据分辨率名称判断
if compareResolution(v.Variant, smallest.Variant) < 0 {
smallest = v
}
}
}
variants := []gin.H{}
if smallest != nil {
url := smallest.PublicURL
if url == "" && cfg.API.Mode == "redirect" && img.URLBase != "" {
url = fmt.Sprintf("https://www.bing.com%s_%s.jpg", img.URLBase, smallest.Variant)
if url == "" && cfg.API.Mode == "redirect" && m.URLBase != "" {
url = fmt.Sprintf("https://www.bing.com%s_%s.jpg", m.URLBase, smallest.Variant)
} else if cfg.API.Mode == "local" || url == "" {
url = fmt.Sprintf("%s/api/v1/image/date/%s?variant=%s&format=%s&mkt=%s", cfg.Server.BaseURL, img.Date, smallest.Variant, smallest.Format, img.Mkt)
url = fmt.Sprintf("%s/api/v1/image/date/%s?variant=%s&format=%s&mkt=%s", cfg.Server.BaseURL, m.Date, smallest.Variant, smallest.Format, m.Mkt)
}
variants = append(variants, gin.H{
"variant": smallest.Variant,
@@ -415,28 +427,28 @@ func formatMetaSummary(img *model.Image) gin.H {
}
return gin.H{
"date": img.Date,
"mkt": img.Mkt,
"title": img.Title,
"copyright": img.Copyright,
"copyrightlink": img.CopyrightLink,
"quiz": img.Quiz,
"startdate": img.StartDate,
"fullstartdate": img.FullStartDate,
"hsh": img.HSH,
"date": m.Date,
"mkt": m.Mkt,
"title": m.Title,
"copyright": m.Copyright,
"copyrightlink": m.CopyrightLink,
"quiz": m.Quiz,
"startdate": m.StartDate,
"fullstartdate": m.FullStartDate,
"hsh": m.HSH,
"variants": variants,
}
}
func formatMeta(img *model.Image) gin.H {
func formatMeta(m *model.ImageRegion) gin.H {
cfg := config.GetConfig()
variants := []gin.H{}
for _, v := range img.Variants {
for _, v := range m.Variants {
url := v.PublicURL
if url == "" && cfg.API.Mode == "redirect" && img.URLBase != "" {
url = fmt.Sprintf("https://www.bing.com%s_%s.jpg", img.URLBase, v.Variant)
if url == "" && cfg.API.Mode == "redirect" && m.URLBase != "" {
url = fmt.Sprintf("https://www.bing.com%s_%s.jpg", m.URLBase, v.Variant)
} else if cfg.API.Mode == "local" || url == "" {
url = fmt.Sprintf("%s/api/v1/image/date/%s?variant=%s&format=%s&mkt=%s", cfg.Server.BaseURL, img.Date, v.Variant, v.Format, img.Mkt)
url = fmt.Sprintf("%s/api/v1/image/date/%s?variant=%s&format=%s&mkt=%s", cfg.Server.BaseURL, m.Date, v.Variant, v.Format, m.Mkt)
}
variants = append(variants, gin.H{
"variant": v.Variant,
@@ -448,15 +460,15 @@ func formatMeta(img *model.Image) gin.H {
}
return gin.H{
"date": img.Date,
"mkt": img.Mkt,
"title": img.Title,
"copyright": img.Copyright,
"copyrightlink": img.CopyrightLink,
"quiz": img.Quiz,
"startdate": img.StartDate,
"fullstartdate": img.FullStartDate,
"hsh": img.HSH,
"date": m.Date,
"mkt": m.Mkt,
"title": m.Title,
"copyright": m.Copyright,
"copyrightlink": m.CopyrightLink,
"quiz": m.Quiz,
"startdate": m.StartDate,
"fullstartdate": m.FullStartDate,
"hsh": m.HSH,
"variants": variants,
}
}
@@ -520,3 +532,37 @@ func GetRegions(c *gin.Context) {
c.JSON(http.StatusOK, result)
}
// compareResolution 比较两个分辨率变体的大小。
// 返回 < 0 表示 v1 < v2，返回 > 0 表示 v1 > v2，返回 0 表示相等。
func compareResolution(v1, v2 string) int {
resOrder := map[string]int{
"320x240": 1,
"400x240": 2,
"480x360": 3,
"640x360": 4,
"640x480": 5,
"800x480": 6,
"800x600": 7,
"1024x768": 8,
"1280x720": 9,
"1366x768": 10,
"1920x1080": 11,
"UHD": 12,
}
o1, ok1 := resOrder[v1]
o2, ok2 := resOrder[v2]
if !ok1 && !ok2 {
return strings.Compare(v1, v2)
}
if !ok1 {
return 1 // 未知的分辨率认为比已知的大
}
if !ok2 {
return -1
}
return o1 - o2
}