Push poorly written test can down the road another ten years

http/middleware.go

@@ -0,0 +1,59 @@
+package http
+
+import (
+	"context"
+	"fmt"
+	"github.com/labstack/echo/v4"
+	"github.com/redis/go-redis/v9"
+	"os"
+	"strconv"
+)
+
+type CustomContext struct {
+	echo.Context
+	redis *redis.Client
+}
+
+func GetCustomContext(next echo.HandlerFunc) echo.HandlerFunc {
+	return func(c echo.Context) error {
+		redisUrl := os.Getenv("REDIS_URL")
+		if redisUrl == "" {
+			c.Logger().Warn("REDIS_URL not set, skipping redis connection. Use REDIS_URL to cache the image")
+
+			return next(&CustomContext{c, nil})
+		}
+
+		redisPort := os.Getenv("REDIS_PORT")
+		if redisPort == "" {
+			redisPort = "6379"
+		}
+
+		redisDb := os.Getenv("REDIS_DB")
+		if redisDb == "" {
+			redisDb = "0"
+		}
+
+		redisDbInt, err := strconv.ParseInt(redisDb, 10, 64)
+		if err != nil {
+			c.Logger().Warn("REDIS_DB is not a valid integer, skipping redis connection. Use REDIS_DB to cache the image")
+
+			return next(&CustomContext{})
+		}
+
+		cc := &CustomContext{c, redis.NewClient(&redis.Options{
+			Addr:     fmt.Sprintf("%s:%s", redisUrl, redisPort),
+			Password: os.Getenv("REDIS_PASSWORD"),
+			DB:       int(redisDbInt),
+		})}
+
+		cmd := cc.redis.Ping(context.Background())
+
+		if cmd.Err() != nil {
+			c.Logger().Warn("could not connect to redis")
+
+			cc.redis = nil
+		}
+
+		return next(cc)
+	}
+}