feat: 添加 database - cache(redis)

database/cache/option.go

@@ -0,0 +1,32 @@
+package cache
+
+import (
+	"context"
+	"fmt"
+)
+
+type config struct {
+	ctx   context.Context
+	redis *string
+}
+
+type OptionFn func(*config)
+
+func WithCtx(ctx context.Context) OptionFn {
+	return func(c *config) {
+		if ctx != nil {
+			c.ctx = ctx
+		}
+	}
+}
+
+func WithRedis(host string, port int, username, password string) OptionFn {
+	return func(c *config) {
+		uri := fmt.Sprintf("%s:%d", host, port)
+		if username != "" || password != "" {
+			uri = fmt.Sprintf("redis://%s:%s@%s:%d", username, password, host, port)
+		}
+
+		c.redis = &uri
+	}
+}