config.go

package webindexer

import (
	"fmt"
)

type Config struct {
	BaseURL       string   `yaml:"base_url"      mapstructure:"base_url"`
	DateFormat    string   `yaml:"date_format"   mapstructure:"date_format"`
	DirsFirst     bool     `yaml:"dirs_first"    mapstructure:"dirs_first"`
	IndexFile     string   `yaml:"index_file"    mapstructure:"index_file"`
	LinkToIndexes bool     `yaml:"link_to_index" mapstructure:"link_to_index"`
	LogLevel      string   `yaml:"log_level"     mapstructure:"log_level"`
	LogFile       string   `yaml:"log_file"      mapstructure:"log_file"`
	Minify        bool     `yaml:"minify"        mapstructure:"minify"`
	Order         string   `yaml:"order"         mapstructure:"order"`
	Quiet         bool     `yaml:"quiet"         mapstructure:"quiet"`
	Recursive     bool     `yaml:"recursive"     mapstructure:"recursive"`
	Skips         []string `yaml:"skips"         mapstructure:"skips"`
	SortBy        string   `yaml:"sort_by"       mapstructure:"sort_by"`
	Source        string   `yaml:"source"        mapstructure:"source"`
	Target        string   `yaml:"target"        mapstructure:"target"`
	Template      string   `yaml:"template"      mapstructure:"template"`
	Title         string   `yaml:"title"         mapstructure:"title"`
	CfgFile       string   `yaml:"-"`
	BasePath      string   `yaml:"-"`
}

type SortBy string

const (
	SortByDate        SortBy = "date"
	SortByName        SortBy = "name"
	SortByNaturalName SortBy = "natural_name"
)

type Order string

const (
	OrderAsc  Order = "asc"
	OrderDesc Order = "desc"
)

func (c Config) SortByValue() SortBy {
	switch c.SortBy {
	case "last_modified":
		return SortByDate
	case "name":
		return SortByName
	case "natural_name":
		return SortByNaturalName
	default:
		return ""
	}
}

func (c Config) OrderByValue() Order {
	switch c.Order {
	case "asc":
		return OrderAsc
	case "desc":
		return OrderDesc
	default:
		return ""
	}
}

func (c Config) Validate() error {
	if c.Source == "" {
		return fmt.Errorf("source is required")
	}

	if c.Target == "" {
		return fmt.Errorf("target is required")
	}

	if c.SortByValue() == "" {
		return fmt.Errorf("sort_by must be one of: last_modified, name, natural_name")
	}

	if c.OrderByValue() == "" {
		return fmt.Errorf("order must be one of: asc, desc")
	}

	return nil
}