93 lines
2.2 KiB
Go
93 lines
2.2 KiB
Go
package app
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import (
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"owl-blogs/app/owlhttp"
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"owl-blogs/app/repository"
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"owl-blogs/interactions"
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"time"
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)
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type WebmentionService struct {
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InteractionRepository repository.InteractionRepository
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EntryRepository repository.EntryRepository
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Http owlhttp.HttpClient
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}
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func NewWebmentionService(
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interactionRepository repository.InteractionRepository,
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entryRepository repository.EntryRepository,
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http owlhttp.HttpClient,
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bus *EventBus,
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) *WebmentionService {
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svc := &WebmentionService{
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InteractionRepository: interactionRepository,
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EntryRepository: entryRepository,
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Http: http,
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}
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bus.Subscribe(svc)
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return svc
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}
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func (s *WebmentionService) GetExistingWebmention(entryId string, source string, target string) (*interactions.Webmention, error) {
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inters, err := s.InteractionRepository.FindAll(entryId)
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if err != nil {
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return nil, err
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}
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for _, interaction := range inters {
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if webm, ok := interaction.(*interactions.Webmention); ok {
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m := webm.MetaData().(*interactions.WebmentionMetaData)
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if m.Source == source && m.Target == target {
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return webm, nil
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}
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}
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}
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return nil, nil
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}
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func (s *WebmentionService) ProcessWebmention(source string, target string) error {
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resp, err := s.Http.Get(source)
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if err != nil {
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return err
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}
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hEntry, err := ParseHEntry(resp)
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if err != nil {
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return err
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}
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entryId := UrlToEntryId(target)
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_, err = s.EntryRepository.FindById(entryId)
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if err != nil {
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return err
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}
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webmention, err := s.GetExistingWebmention(entryId, source, target)
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if err != nil {
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return err
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}
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if webmention != nil {
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data := interactions.WebmentionMetaData{
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Source: source,
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Target: target,
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Title: hEntry.Title,
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}
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webmention.SetMetaData(&data)
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webmention.SetEntryID(entryId)
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webmention.SetCreatedAt(time.Now())
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err = s.InteractionRepository.Update(webmention)
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return err
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} else {
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webmention = &interactions.Webmention{}
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data := interactions.WebmentionMetaData{
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Source: source,
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Target: target,
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Title: hEntry.Title,
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}
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webmention.SetMetaData(&data)
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webmention.SetEntryID(entryId)
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webmention.SetCreatedAt(time.Now())
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err = s.InteractionRepository.Create(webmention)
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return err
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}
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}
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