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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "encoding/base64" | ||
| "fmt" | ||
| "net/http" | ||
| "os" | ||
| "strconv" | ||
| "time" | ||
|
|
||
| "github.com/jackc/pgx/v5" | ||
| "github.com/labstack/echo/v4" | ||
| "github.com/redis/go-redis/v9" | ||
| ) | ||
|
|
||
| func MADPrimaryThumbnail(c echo.Context) error { | ||
| serial, err := strconv.Atoi(c.Param("serial")) | ||
| if err != nil { | ||
| c.Logger().Error(err) | ||
| return c.String(http.StatusBadRequest, "Bad request") | ||
| } | ||
|
|
||
| scale := c.FormValue("scale") | ||
| width, height, err := ParseScale(scale) | ||
| if err != nil { | ||
| return c.String(http.StatusBadRequest, err.Error()) | ||
| } | ||
|
|
||
| rdb := redis.NewClient(&redis.Options{Addr: os.Getenv("REDIS_ADDRESS")}) | ||
| defer rdb.Close() | ||
|
|
||
| // Redisにキャッシュがあればリダイレクト | ||
| redisKey := fmt.Sprintf("mad_primary_thumbnail_%d_%d_%d", serial, width, height) | ||
| cachedUrl, err := rdb.Get(ctx, redisKey).Result() | ||
| if err != nil && err != redis.Nil { | ||
| c.Logger().Error(err) | ||
| return c.String(http.StatusInternalServerError, "Internal Server Error") | ||
| } | ||
| if cachedUrl != "" { | ||
| return c.Redirect(http.StatusTemporaryRedirect, cachedUrl) | ||
| } | ||
|
|
||
| conn, err := pgx.Connect(ctx, os.Getenv("POSTGRES_URL")) | ||
| if err != nil { | ||
| c.Logger().Error(err) | ||
| c.String(http.StatusInternalServerError, "Internal Server Error") | ||
| } | ||
| defer conn.Close(ctx) | ||
|
|
||
| var url string | ||
| q := `SELECT t."imageUrl" FROM "VideoThumbnail" t JOIN "Video" v ON t."videoId" = v."id" WHERE v."serial" = $1 AND t."isPrimary" = TRUE` | ||
| err = conn.QueryRow(ctx, q, serial).Scan(&url) | ||
| if err != nil { | ||
| c.Logger().Error(err) | ||
| return c.String(http.StatusInternalServerError, "Internal Server Error") | ||
| } | ||
|
|
||
| // 画像の存在チェック | ||
| c.Logger().Debug(url) | ||
| resp, err := http.Head(url) | ||
| if err != nil { | ||
| return c.String(http.StatusInternalServerError, "Internal Server Error") | ||
| } | ||
| if resp.StatusCode != http.StatusOK { | ||
| c.Logger().Warn(url, resp.StatusCode) | ||
| return c.String(http.StatusNotFound, "Not Found") | ||
| } | ||
|
|
||
| proxiedUrl := SignURL( | ||
| fmt.Sprintf("/rs:fit:%d:%d:1:1/background:000000/%s", width, height, base64.URLEncoding.EncodeToString([]byte(url)))) | ||
| c.Logger().Debug(proxiedUrl) | ||
|
|
||
| // Redisにキャッシュ | ||
| err = rdb.Set(ctx, redisKey, proxiedUrl, time.Duration(600*time.Second)).Err() | ||
| if err != nil { | ||
| c.Logger().Error(err) | ||
| } | ||
|
|
||
| return c.Redirect(http.StatusTemporaryRedirect, proxiedUrl) | ||
| } |
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