func ShowAuthorTemplate(writer http.ResponseWriter, r *http.Request, slug string, page int) error {
// Read lock templates and global blog
compiledTemplates.RLock()
defer compiledTemplates.RUnlock()
methods.Blog.RLock()
defer methods.Blog.RUnlock()
postIndex := int64(page - 1)
if postIndex < 0 {
postIndex = 0
}
author, err := database.RetrieveUserBySlug(slug)
if err != nil {
return err
}
posts, err := database.RetrievePostsByUser(author.Id, methods.Blog.PostsPerPage, (methods.Blog.PostsPerPage * postIndex))
if err != nil {
return err
}
requestData := structure.RequestData{User: author, Posts: posts, Blog: methods.Blog, CurrentIndexPage: page, CurrentTemplate: 3, CurrentPath: r.URL.Path} // CurrentTemplate = author
if template, ok := compiledTemplates.m["author"]; ok {
_, err = writer.Write(executeHelper(template, &requestData, 0)) // context = index
} else {
_, err = writer.Write(executeHelper(compiledTemplates.m["index"], &requestData, 0)) // context = index
}
if requestData.PluginVMs != nil {
// Put the lua state map back into the pool
plugins.LuaPool.Put(requestData.PluginVMs)
}
return err
}
func ShowAuthorRss(writer http.ResponseWriter, slug string) error {
// Read lock global blog
methods.Blog.RLock()
defer methods.Blog.RUnlock()
author, err := database.RetrieveUserBySlug(slug)
if err != nil {
return err
}
// 15 posts in rss for now
posts, err := database.RetrievePostsByUser(author.Id, 15, 0)
if err != nil {
return err
}
blogData := &structure.RequestData{Posts: posts, Blog: methods.Blog}
feed := createFeed(blogData)
err = feed.WriteRss(writer)
return err
}
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
}
// API function to patch user settings
func patchApiUserHandler(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 JsonUser
err = decoder.Decode(&json)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
// Make sure user id is over 0
if json.Id < 1 {
http.Error(w, "Wrong user id.", http.StatusInternalServerError)
return
} else if userId != json.Id { // Make sure the authenticated user is only changing his/her own data. TODO: Make sure the user is admin when multiple users have been introduced
http.Error(w, "You don't have permission to change this data.", http.StatusInternalServerError)
return
}
// Get old user data to compare
tempUser, err := database.RetrieveUser(json.Id)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
// Make sure user email is provided
if json.Email == "" {
json.Email = string(tempUser.Email)
}
// Make sure user name is provided
if json.Name == "" {
json.Name = string(tempUser.Name)
}
// Make sure user slug is provided
if json.Slug == "" {
json.Slug = tempUser.Slug
}
// Check if new name is already taken
if json.Name != string(tempUser.Name) {
_, err = database.RetrieveUserByName([]byte(json.Name))
if err == nil {
// The new user name is already taken. Assign the old name.
// TODO: Return error that will be displayed in the admin interface.
json.Name = string(tempUser.Name)
}
}
// Check if new slug is already taken
if json.Slug != tempUser.Slug {
_, err = database.RetrieveUserBySlug(json.Slug)
if err == nil {
// The new user slug is already taken. Assign the old slug.
// TODO: Return error that will be displayed in the admin interface.
json.Slug = tempUser.Slug
}
}
user := structure.User{Id: json.Id, Name: []byte(json.Name), Slug: json.Slug, Email: []byte(json.Email), Image: []byte(json.Image), Cover: []byte(json.Cover), Bio: []byte(json.Bio), Website: []byte(json.Website), Location: []byte(json.Location)}
err = methods.UpdateUser(&user, userId)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
if json.Password != "" && (json.Password == json.PasswordRepeated) { // Update password if a new one was submitted
encryptedPassword, err := authentication.EncryptPassword(json.Password)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
err = database.UpdateUserPassword(user.Id, encryptedPassword, time.Now(), json.Id)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
}
// Check if the user name was changed. If so, update the session cookie to the new user name.
if json.Name != string(tempUser.Name) {
logInUser(json.Name, w)
}
w.WriteHeader(http.StatusOK)
w.Write([]byte("User settings updated!"))
return
} else {
http.Error(w, "Not logged in!", http.StatusInternalServerError)
return
}
}