weiro/services/posts/create.go

63 lines
1.3 KiB
Go

package posts
import (
"context"
"time"
"lmika.dev/lmika/weiro/models"
"lmika.dev/lmika/weiro/providers/db"
)
type CreatePostParams struct {
GUID string `form:"guid" json:"guid"`
Title string `form:"title" json:"title"`
Body string `form:"body" json:"body"`
}
func (s *Service) PublishPost(ctx context.Context, params CreatePostParams) (*models.Post, error) {
site, ok := models.GetSite(ctx)
if !ok {
return nil, models.SiteRequiredError
}
post, err := s.fetchOrCreatePost(ctx, site, params)
if err != nil {
return nil, err
}
post.Title = params.Title
post.Body = params.Body
post.PublishedAt = time.Now()
post.Slug = post.BestSlug()
if err := s.db.SavePost(ctx, post); err != nil {
return nil, err
}
s.publisher.Queue(site)
return post, nil
}
func (s *Service) fetchOrCreatePost(ctx context.Context, site models.Site, params CreatePostParams) (*models.Post, error) {
post, err := s.db.SelectPostByGUID(ctx, params.GUID)
if err == nil {
if post.SiteID != site.ID {
return nil, models.NotFoundError
}
return post, nil
} else if !db.ErrorIsNoRows(err) {
return nil, err
}
post = &models.Post{
SiteID: site.ID,
GUID: params.GUID,
Title: params.Title,
Body: params.Body,
CreatedAt: time.Now(),
}
return post, nil
}