51 lines
1.6 KiB
Go
51 lines
1.6 KiB
Go
package config
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import (
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"errors"
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"fmt"
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"time"
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)
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var (
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ErrInvalidOpenGraphConfig = errors.New("config.OpenGraph: invalid OpenGraph configuration")
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ErrOpenGraphTTLDoesNotParse = errors.New("config.OpenGraph: ttl does not parse as a Duration, see https://pkg.go.dev/time#ParseDuration (formatted like 5m -> 5 minutes, 2h -> 2 hours, etc)")
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ErrOpenGraphMissingProperty = errors.New("config.OpenGraph: default opengraph tags missing a property")
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)
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type openGraphFileConfig struct {
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Override map[string]string `json:"override,omitempty" yaml:"override,omitempty"`
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TimeToLive string `json:"ttl" yaml:"ttl"`
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Enabled bool `json:"enabled" yaml:"enabled"`
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ConsiderHost bool `json:"considerHost" yaml:"enabled"`
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}
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type OpenGraph struct {
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Override map[string]string `json:"override,omitempty" yaml:"override,omitempty"`
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TimeToLive time.Duration `json:"ttl" yaml:"ttl"`
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Enabled bool `json:"enabled" yaml:"enabled"`
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ConsiderHost bool `json:"considerHost" yaml:"enabled"`
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}
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func (og *openGraphFileConfig) Valid() error {
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var errs []error
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if _, err := time.ParseDuration(og.TimeToLive); err != nil {
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errs = append(errs, fmt.Errorf("%w: ParseDuration(%q) returned: %w", ErrOpenGraphTTLDoesNotParse, og.TimeToLive, err))
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}
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if len(og.Override) != 0 {
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for _, tag := range []string{
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"og:title",
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} {
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if _, ok := og.Override[tag]; !ok {
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errs = append(errs, fmt.Errorf("%w: %s", ErrOpenGraphMissingProperty, tag))
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}
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}
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}
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if len(errs) != 0 {
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return errors.Join(ErrInvalidOpenGraphConfig, errors.Join(errs...))
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}
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return nil
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}
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