add basic lastfm hook

handler/admin.go

@@ -74,6 +74,15 @@ func (c *Controller) ServeChangeOwnPasswordDo(w http.ResponseWriter, r *http.Req
 	http.Redirect(w, r, "/admin/home", 303)
 }
 
+func (c *Controller) ServeLinkLastFMCallback(w http.ResponseWriter, r *http.Request) {
+	token := r.URL.Query().Get("token")
+	if token == "" {
+		http.Error(w, "please provide a token", 400)
+		return
+	}
+	_ = token
+}
+
 func (c *Controller) ServeChangePassword(w http.ResponseWriter, r *http.Request) {
 	username := r.URL.Query().Get("user")
 	if username == "" {
@@ -148,3 +157,36 @@ func (c *Controller) ServeCreateUserDo(w http.ResponseWriter, r *http.Request) {
 	}
 	http.Redirect(w, r, "/admin/home", 303)
 }
+
+func (c *Controller) ServeUpdateLastFMAPIKey(w http.ResponseWriter, r *http.Request) {
+	var data templateData
+	var apiKey db.Setting
+	var secret db.Setting
+	c.DB.Where("key = ?", "lastfm_api_key").First(&apiKey)
+	c.DB.Where("key = ?", "lastfm_secret").First(&secret)
+	data.CurrentLastFMAPIKey = apiKey.Value
+	data.CurrentLastFMAPISecret = secret.Value
+	renderTemplate(w, r, "update_lastfm_api_key", &data)
+}
+
+func (c *Controller) ServeUpdateLastFMAPIKeyDo(w http.ResponseWriter, r *http.Request) {
+	session := r.Context().Value("session").(*sessions.Session)
+	apiKey := r.FormValue("api_key")
+	secret := r.FormValue("secret")
+	err := utilities.ValidateAPIKey(apiKey, secret)
+	if err != nil {
+		session.AddFlash(err.Error())
+		session.Save(r, w)
+		http.Redirect(w, r, r.Header.Get("Referer"), 302)
+		return
+	}
+	c.DB.
+		Where(db.Setting{Key: "lastfm_api_key"}).
+		Assign(db.Setting{Value: apiKey}).
+		FirstOrCreate(&db.Setting{})
+	c.DB.
+		Where(db.Setting{Key: "lastfm_secret"}).
+		Assign(db.Setting{Value: secret}).
+		FirstOrCreate(&db.Setting{})
+	http.Redirect(w, r, "/admin/home", 303)
+}

handler/handler.go

@@ -47,6 +47,11 @@ func init() {
 		filepath.Join("templates", "user.tmpl"),
 		filepath.Join("templates", "pages", "create_user.tmpl"),
 	))
+	templates["update_lastfm_api_key"] = template.Must(template.ParseFiles(
+		filepath.Join("templates", "layout.tmpl"),
+		filepath.Join("templates", "user.tmpl"),
+		filepath.Join("templates", "pages", "update_lastfm_api_key.tmpl"),
+	))
 }
 
 type Controller struct {
@@ -55,13 +60,16 @@ type Controller struct {
 }
 
 type templateData struct {
-	Flashes      []interface{}
-	User         *db.User
-	SelectedUser *db.User
-	AllUsers     []*db.User
-	ArtistCount  uint
-	AlbumCount   uint
-	TrackCount   uint
+	Flashes                []interface{}
+	User                   *db.User
+	SelectedUser           *db.User
+	AllUsers               []*db.User
+	ArtistCount            uint
+	AlbumCount             uint
+	TrackCount             uint
+	CurrentLastFMAPIKey    string
+	CurrentLastFMAPISecret string
+	RequestRoot            string
 }
 
 func getStrParam(r *http.Request, key string) string {
@@ -146,6 +154,11 @@ func renderTemplate(w http.ResponseWriter, r *http.Request,
 	if ok {
 		data.User = user
 	}
+	if r.URL.Host == "" {
+		data.RequestRoot = "http://localhost"
+	} else {
+		data.RequestRoot = fmt.Sprintf("%s://%s", r.URL.Scheme, r.URL.Host)
+	}
 	err := templates[name].ExecuteTemplate(w, "layout", data)
 	if err != nil {
 		http.Error(w, fmt.Sprintf("500 when executing: %v", err), 500)

handler/utilities/utilities.go

@@ -18,3 +18,10 @@ func ValidatePasswords(pOne, pTwo string) error {
 	}
 	return nil
 }
+
+func ValidateAPIKey(apiKey, secret string) error {
+	if apiKey == "" || secret == "" {
+		return fmt.Errorf("please enter both the api key and secret")
+	}
+	return nil
+}