api: updated list/get/set file endpoint

internal/api/v1/schema.go

@@ -0,0 +1,23 @@
+package v1
+
+import (
+	"net/http"
+	"os"
+	"path"
+
+	U "github.com/yusing/go-proxy/internal/api/v1/utils"
+	"github.com/yusing/go-proxy/internal/common"
+)
+
+func GetSchemaFile(w http.ResponseWriter, r *http.Request) {
+	filename := r.PathValue("filename")
+	if filename == "" {
+		U.RespondError(w, U.ErrMissingKey("filename"), http.StatusBadRequest)
+	}
+	content, err := os.ReadFile(path.Join(common.SchemaBasePath, filename))
+	if err != nil {
+		U.HandleErr(w, r, err)
+		return
+	}
+	U.WriteBody(w, content)
+}