// Copyright 2022 The Gitea Authors. All rights reserved.// SPDX-License-Identifier: MIT package migration import (	"fmt"	"os"	"strings"	"time" 	"forgejo.org/modules/json"	"forgejo.org/modules/log" 	"github.com/santhosh-tekuri/jsonschema/v6"	"gopkg.in/yaml.v3") // Load project data from file, with optional validationfunc Load(filename string, data any, validation bool) error {	isJSON := strings.HasSuffix(filename, ".json") 	bs, err := os.ReadFile(filename)	if err != nil {		return err	} 	if validation {		err := validate(bs, data, isJSON)		if err != nil {			return err		}	}	return unmarshal(bs, data, isJSON)} func unmarshal(bs []byte, data any, isJSON bool) error {	if isJSON {		return json.Unmarshal(bs, data)	}	return yaml.Unmarshal(bs, data)} func getSchema(filename string) (*jsonschema.Schema, error) {	c := jsonschema.NewCompiler()	c.UseLoader(&SchemaLoader{})	return c.Compile(filename)} func validate(bs []byte, datatype any, isJSON bool) error {	var v any	err := unmarshal(bs, &v, isJSON)	if err != nil {		return err	}	if !isJSON {		v, err = toStringKeys(v)		if err != nil {			return err		}	} 	var schemaFilename string	switch datatype := datatype.(type) {	case *[]*Issue:		schemaFilename = "issue.json"	case *[]*Milestone:		schemaFilename = "milestone.json"	default:		return fmt.Errorf("file_format:validate: %T has not a validation implemented", datatype)	} 	sch, err := getSchema(schemaFilename)	if err != nil {		return err	}	err = sch.Validate(v)	if err != nil {		log.Error("migration validation with %s failed:\n%#v", schemaFilename, err)	}	return err} func toStringKeys(val any) (any, error) {	var err error	switch val := val.(type) {	case map[string]any:		m := make(map[string]any)		for k, v := range val {			m[k], err = toStringKeys(v)			if err != nil {				return nil, err			}		}		return m, nil	case []any:		l := make([]any, len(val))		for i, v := range val {			l[i], err = toStringKeys(v)			if err != nil {				return nil, err			}		}		return l, nil	case time.Time:		return val.Format(time.RFC3339), nil	default:		return val, nil	}}