restructured the project to comply community guideline, for others check release note

internal/api/v1/file.go

@@ -0,0 +1,59 @@
+package v1
+
+import (
+	"io"
+	"net/http"
+	"os"
+	"path"
+
+	U "github.com/yusing/go-proxy/internal/api/v1/utils"
+	"github.com/yusing/go-proxy/internal/common"
+	"github.com/yusing/go-proxy/internal/config"
+	E "github.com/yusing/go-proxy/internal/error"
+	"github.com/yusing/go-proxy/internal/proxy/provider"
+)
+
+func GetFileContent(w http.ResponseWriter, r *http.Request) {
+	filename := r.PathValue("filename")
+	if filename == "" {
+		filename = common.ConfigFileName
+	}
+	content, err := os.ReadFile(path.Join(common.ConfigBasePath, filename))
+	if err != nil {
+		U.HandleErr(w, r, err)
+		return
+	}
+	w.Write(content)
+}
+
+func SetFileContent(w http.ResponseWriter, r *http.Request) {
+	filename := r.PathValue("filename")
+	if filename == "" {
+		U.HandleErr(w, r, U.ErrMissingKey("filename"), http.StatusBadRequest)
+		return
+	}
+	content, err := io.ReadAll(r.Body)
+	if err != nil {
+		U.HandleErr(w, r, err)
+		return
+	}
+
+	var validateErr E.NestedError
+	if filename == common.ConfigFileName {
+		validateErr = config.Validate(content)
+	} else {
+		validateErr = provider.Validate(content)
+	}
+
+	if validateErr != nil {
+		U.RespondJson(w, validateErr.JSONObject(), http.StatusBadRequest)
+		return
+	}
+
+	err = os.WriteFile(path.Join(common.ConfigBasePath, filename), content, 0644)
+	if err != nil {
+		U.HandleErr(w, r, err)
+		return
+	}
+	w.WriteHeader(http.StatusOK)
+}