// API function to update blog settings
func patchApiBlogHandler(w http.ResponseWriter, r *http.Request, _ map[string]string) {
userName := authentication.GetUserName(r)
if userName != "" {
userId, err := getUserId(userName)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
decoder := json.NewDecoder(r.Body)
var json JsonBlog
err = decoder.Decode(&json)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
// Make sure postPerPage is over 0
if json.PostsPerPage < 1 {
json.PostsPerPage = 1
}
// Remove blog url in front of navigation urls
for index, _ := range json.NavigationItems {
if strings.HasPrefix(json.NavigationItems[index].Url, json.Url) {
json.NavigationItems[index].Url = strings.Replace(json.NavigationItems[index].Url, json.Url, "", 1)
// If we removed the blog url, there should be a / in front of the url
if !strings.HasPrefix(json.NavigationItems[index].Url, "/") {
json.NavigationItems[index].Url = "/" + json.NavigationItems[index].Url
}
}
}
// Retrieve old blog settings for comparison
blog, err := database.RetrieveBlog()
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
tempBlog := structure.Blog{Url: []byte(configuration.Config.Url), Title: []byte(json.Title), Description: []byte(json.Description), Logo: []byte(json.Logo), Cover: []byte(json.Cover), AssetPath: []byte("/assets/"), PostCount: blog.PostCount, PostsPerPage: json.PostsPerPage, ActiveTheme: json.ActiveTheme, NavigationItems: json.NavigationItems}
err = methods.UpdateBlog(&tempBlog, userId)
// Check if active theme setting has been changed, if so, generate templates from new theme
if tempBlog.ActiveTheme != blog.ActiveTheme {
err = templates.Generate()
if err != nil {
// If there's an error while generating the new templates, the whole program must be stopped.
log.Fatal("Fatal error: Template data couldn't be generated from theme files: " + err.Error())
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
}
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
w.WriteHeader(http.StatusOK)
w.Write([]byte("Blog settings updated!"))
return
} else {
http.Error(w, "Not logged in!", http.StatusInternalServerError)
return
}
}
func GenerateBlog() error {
// Write lock the global blog
if Blog != nil {
Blog.Lock()
defer Blog.Unlock()
}
// Generate blog from db
blog, err := database.RetrieveBlog()
if err != nil {
return err
}
// Add parameters that are not saved in db
blog.Url = []byte(configuration.Config.Url)
blog.AssetPath = assetPath
// Create navigation slugs
for index, _ := range blog.NavigationItems {
blog.NavigationItems[index].Slug = slug.Generate(blog.NavigationItems[index].Label, "navigation")
}
Blog = blog
return nil
}