func generateUniqueSlug(slug string, table string, suffix int) string {
// Recursive function
slugToCheck := slug
if suffix > 1 { // If this is not the first try, add the suffix and try again
slugToCheck = slug + "-" + strconv.Itoa(suffix)
}
var err error
if table == "tags" { // Not needed at the moment. Tags with the same name should have the same slug.
_, err = database.RetrieveTagIdBySlug(slugToCheck)
} else if table == "posts" {
_, err = database.RetrievePostBySlug(slugToCheck)
} else if table == "users" {
_, err = database.RetrieveUserBySlug(slugToCheck)
}
if err == nil {
return generateUniqueSlug(slug, table, suffix+1)
}
return slugToCheck
}
func UpdatePost(p *structure.Post) error {
tagIds := make([]int64, 0)
// Insert tags
for _, tag := range p.Tags {
// Tag slug might already be in database
tagId, err := database.RetrieveTagIdBySlug(tag.Slug)
if err != nil {
// Tag is probably not in database yet
tagId, err = database.InsertTag(tag.Name, tag.Slug, time.Now(), p.Author.Id)
if err != nil {
return err
}
}
if tagId != 0 {
tagIds = append(tagIds, tagId)
}
}
// Update post
err := database.UpdatePost(p.Id, p.Title, p.Slug, p.Markdown, p.Html, p.IsFeatured, p.IsPage, p.IsPublished, p.Image, *p.Date, p.Author.Id)
if err != nil {
return err
}
// Delete old postTags
err = database.DeletePostTagsForPostId(p.Id)
// Insert postTags
if err != nil {
return err
}
for _, tagId := range tagIds {
err = database.InsertPostTag(p.Id, tagId)
if err != nil {
return err
}
}
// Generate new global blog
err = GenerateBlog()
if err != nil {
log.Panic("Error: couldn't generate blog data:", err)
}
return nil
}