add logic for login register

database.go

@@ -71,7 +71,7 @@ func DbSaveClientWithoutGroups(ctx context.Context, client *Client) error {
 	return err
 }
 
-func DbGetClientByName(ctx context.Context, client *Client) error {
+func DbSetClientByName(ctx context.Context, client *Client) error {
 	err := dbConn.QueryRow(ctx, `
 		SELECT name, pass_hash, color_red, color_green, color_blue, created_at FROM clients WHERE name = $1
 	`, client.Name).Scan(&client.Name, &client.PasswordHash, client.Pronouns, client.Color[0], client.Color[1], client.Color[2], client.CreatedAt)

http.go

@@ -37,8 +37,6 @@ func HttpHandleNewUser(response http.ResponseWriter, request *http.Request) {
 		return
 	}
 
-	ctx := request.Context()
-
 	username := request.FormValue("username")
 	if len(username) < 4 {
 		http.Error(response, "no or short username", http.StatusBadRequest)
@@ -69,6 +67,8 @@ func HttpHandleNewUser(response http.ResponseWriter, request *http.Request) {
 		CreatedAt:    time.Now(),
 	}
 
+	ctx := request.Context()
+
 	err = DbSaveClientWithoutGroups(ctx, newClient)
 	if err != nil {
 		http.Error(response, "name taken", http.StatusInternalServerError)
@@ -81,20 +81,42 @@ func HttpHandleLogin(response http.ResponseWriter, request *http.Request) {
 		return
 	}
 
-	ctx := request.Context()
-
 	username := request.FormValue("username")
 	if len(username) < 4 {
 		http.Error(response, "no or short username", http.StatusBadRequest)
 		return
 	}
 
-	password := request.FormValue("password")
+	var client = Client{Name: username}
-	if len(password) < 8 {
+	if len(client.Name) < 8 {
 		http.Error(response, "no or short password", http.StatusBadRequest)
 		return
 	}
 
-	_, err := CacheGetClientById()
+	ctx := request.Context()
 
+	err := DbSetClientByName(ctx, &client)
+	if err != nil {
+		return
+	}
+
+	_, err = CacheGetClientById(client.Id)
+	if err == nil {
+		otherLoggedIn, err := CacheGetClientById(client.Id)
+		if err == nil {
+			otherLoggedIn.WsConn.CloseNow()
+		}
+	}
+
+	token, err := TokenCreate(client.Id)
+	if err != nil {
+		http.Error(response, "internal server error", http.StatusInternalServerError)
+	}
+	response.Write([]byte(token))
+}
+
+func HttpHandleGroupCreate(response http.ResponseWriter, request *http.Request) {
+	if !isMethodAllowed(&response, request) {
+		return
+	}
 }