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components/resolver: Use database instead of file approach

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This commit is contained in:
Tom Wiesing 2022-10-05 16:35:47 +02:00
parent f6b38f055d
commit 32107265d4
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10 changed files with 165 additions and 103 deletions
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14
internal/component/instances/meta.go
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@ -35,9 +35,9 @@ type MetaStorage interface {
// Any other metadata with the same key is deleted.
Set(key MetaKey, value any) error
// Add serializes values and stores each as associated with the provided key.
// Already existing metadata is left intact.
Add(key MetaKey, values ...any) error
// Set serializes values and stores them with the provided key.
// Any other metadata with the same key is deleted.
SetAll(key MetaKey, values ...any) error
// Purge removes all metadata, regardless of key.
Purge() error
@ -163,13 +163,19 @@ func (s *storage) Set(key MetaKey, value any) error {
})
}
func (s *storage) Add(key MetaKey, values ...any) error {
func (s *storage) SetAll(key MetaKey, values ...any) error {
table, err := s.SQL.QueryTable(true, models.MetadataTable)
if err != nil {
return err
}
return table.Transaction(func(tx *gorm.DB) error {
// delete the old values
status := tx.Where(&models.Metadatum{Slug: s.Slug, Key: string(key)}).Delete(&models.Metadatum{})
if err := status.Error; err != nil {
return err
}
for _, value := range values {
bytes, err := json.Marshal(value)
if err != nil {

23
internal/component/instances/wisski_prefix.go
View file

@ -82,6 +82,29 @@ func hasAnyPrefix(candidate string, prefixes []string) bool {
)
}
var PrefixConfigKey MetaKey = "prefix"
// Prefixes returns the prefixes for the instance
func (wisski *WissKI) PrefixesCached() (results []string, err error) {
err = wisski.Metadata().GetAll(PrefixConfigKey, func(index, total int) any {
if results == nil {
results = make([]string, total)
}
return &results[index]
})
return
}
// UpdatePrefixes updates the cached prefixes of this instance
func (wisski *WissKI) UpdatePrefixes() error {
prefixes, err := wisski.Prefixes()
if err != nil {
return err
}
return wisski.Metadata().SetAll(PrefixConfigKey, slicesx.AsAny(prefixes)...)
}
// PrefixConfig returns the prefix config belonging to this instance.
func (wisski *WissKI) PrefixConfig() (config string, err error) {
// if the user requested to skip the prefix, then don't do anything with it!