Add Budget API route

http/http.go

@@ -32,6 +32,7 @@ func (h *Handler) Serve() {
 	router.GET("/login", h.login)
 	router.GET("/register", h.register)
 	router.GET("/dashboard", h.dashboard)
+	router.GET("/budget/:budgetid", h.budget)
 	api := router.Group("/api/v1")
 	{
 		user := api.Group("/user")
@@ -50,6 +51,29 @@ func (h *Handler) Serve() {
 	router.Run(":1323")
 }
 
+func (h *Handler) budget(c *gin.Context) {
+	token, err := h.verifyLogin(c)
+	if err != nil {
+		c.Redirect(http.StatusTemporaryRedirect, "/login")
+		return
+	}
+
+	budgetID := c.Param("budgetid")
+	budget, err := h.Service.Budget(budgetID)
+	if err != nil {
+		c.AbortWithError(http.StatusUnauthorized, err)
+		return
+	}
+
+	d := TemplateData{
+		Token:         token,
+		Budget:        budget,
+		budgetService: h.Service,
+	}
+
+	c.HTML(http.StatusOK, "budget", d)
+}
+
 func (h *Handler) newBudget(c *gin.Context) {
 	token, err := h.verifyLogin(c)
 	if err != nil {