119 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			119 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Go
		
	
	
	
| // Copyright 2023 The Gitea Authors. All rights reserved.
 | |
| // SPDX-License-Identifier: MIT
 | |
| 
 | |
| package label
 | |
| 
 | |
| import (
 | |
| 	"errors"
 | |
| 	"fmt"
 | |
| 	"strings"
 | |
| 
 | |
| 	"code.gitea.io/gitea/modules/options"
 | |
| 
 | |
| 	"gopkg.in/yaml.v3"
 | |
| )
 | |
| 
 | |
| type labelFile struct {
 | |
| 	Labels []*Label `yaml:"labels"`
 | |
| }
 | |
| 
 | |
| // ErrTemplateLoad represents a "ErrTemplateLoad" kind of error.
 | |
| type ErrTemplateLoad struct {
 | |
| 	TemplateFile  string
 | |
| 	OriginalError error
 | |
| }
 | |
| 
 | |
| // IsErrTemplateLoad checks if an error is a ErrTemplateLoad.
 | |
| func IsErrTemplateLoad(err error) bool {
 | |
| 	_, ok := err.(ErrTemplateLoad)
 | |
| 	return ok
 | |
| }
 | |
| 
 | |
| func (err ErrTemplateLoad) Error() string {
 | |
| 	return fmt.Sprintf("failed to load label template file %q: %v", err.TemplateFile, err.OriginalError)
 | |
| }
 | |
| 
 | |
| // LoadTemplateFile loads the label template file by given file name, returns a slice of Label structs.
 | |
| func LoadTemplateFile(fileName string) ([]*Label, error) {
 | |
| 	data, err := options.Labels(fileName)
 | |
| 	if err != nil {
 | |
| 		return nil, ErrTemplateLoad{fileName, fmt.Errorf("LoadTemplateFile: %w", err)}
 | |
| 	}
 | |
| 
 | |
| 	if strings.HasSuffix(fileName, ".yaml") || strings.HasSuffix(fileName, ".yml") {
 | |
| 		return parseYamlFormat(fileName, data)
 | |
| 	}
 | |
| 	return parseLegacyFormat(fileName, data)
 | |
| }
 | |
| 
 | |
| func parseYamlFormat(fileName string, data []byte) ([]*Label, error) {
 | |
| 	lf := &labelFile{}
 | |
| 
 | |
| 	if err := yaml.Unmarshal(data, lf); err != nil {
 | |
| 		return nil, err
 | |
| 	}
 | |
| 
 | |
| 	// Validate label data and fix colors
 | |
| 	for _, l := range lf.Labels {
 | |
| 		l.Color = strings.TrimSpace(l.Color)
 | |
| 		if len(l.Name) == 0 || len(l.Color) == 0 {
 | |
| 			return nil, ErrTemplateLoad{fileName, errors.New("label name and color are required fields")}
 | |
| 		}
 | |
| 		color, err := NormalizeColor(l.Color)
 | |
| 		if err != nil {
 | |
| 			return nil, ErrTemplateLoad{fileName, fmt.Errorf("bad HTML color code '%s' in label: %s", l.Color, l.Name)}
 | |
| 		}
 | |
| 		l.Color = color
 | |
| 	}
 | |
| 
 | |
| 	return lf.Labels, nil
 | |
| }
 | |
| 
 | |
| func parseLegacyFormat(fileName string, data []byte) ([]*Label, error) {
 | |
| 	lines := strings.Split(string(data), "\n")
 | |
| 	list := make([]*Label, 0, len(lines))
 | |
| 	for i := 0; i < len(lines); i++ {
 | |
| 		line := strings.TrimSpace(lines[i])
 | |
| 		if len(line) == 0 {
 | |
| 			continue
 | |
| 		}
 | |
| 
 | |
| 		parts, description, _ := strings.Cut(line, ";")
 | |
| 
 | |
| 		color, labelName, ok := strings.Cut(parts, " ")
 | |
| 		if !ok {
 | |
| 			return nil, ErrTemplateLoad{fileName, fmt.Errorf("line is malformed: %s", line)}
 | |
| 		}
 | |
| 
 | |
| 		color, err := NormalizeColor(color)
 | |
| 		if err != nil {
 | |
| 			return nil, ErrTemplateLoad{fileName, fmt.Errorf("bad HTML color code '%s' in line: %s", color, line)}
 | |
| 		}
 | |
| 
 | |
| 		list = append(list, &Label{
 | |
| 			Name:        strings.TrimSpace(labelName),
 | |
| 			Color:       color,
 | |
| 			Description: strings.TrimSpace(description),
 | |
| 		})
 | |
| 	}
 | |
| 
 | |
| 	return list, nil
 | |
| }
 | |
| 
 | |
| // LoadTemplateDescription loads the labels from a template file, returns a description string by joining each Label.Name with comma
 | |
| func LoadTemplateDescription(fileName string) (string, error) {
 | |
| 	var buf strings.Builder
 | |
| 	list, err := LoadTemplateFile(fileName)
 | |
| 	if err != nil {
 | |
| 		return "", err
 | |
| 	}
 | |
| 
 | |
| 	for i := 0; i < len(list); i++ {
 | |
| 		if i > 0 {
 | |
| 			buf.WriteString(", ")
 | |
| 		}
 | |
| 		buf.WriteString(list[i].Name)
 | |
| 	}
 | |
| 	return buf.String(), nil
 | |
| }
 |