Implement registration

http/http.go

@@ -36,6 +36,7 @@ func (h *Handler) Serve() {
 		api.GET("/logout", logout)
 		api.GET("/login", func(c *gin.Context) { c.Redirect(http.StatusPermanentRedirect, "/login") })
 		api.POST("/login", h.loginPost)
+		api.POST("/register", h.registerPost)
 
 		// Unauthenticated routes
 		api.GET("/check", func(c *gin.Context) { c.String(http.StatusOK, "Accessible") })
@@ -131,3 +132,30 @@ func (h *Handler) loginPost(c *gin.Context) {
 		"token": t,
 	})
 }
+
+func (h *Handler) registerPost(c *gin.Context) {
+	username, _ := c.GetPostForm("username")
+	password, _ := c.GetPostForm("password")
+	name, _ := c.GetPostForm("name")
+
+	user, err := h.UserService.UserByUsername(username)
+	if err != nil {
+		c.AbortWithStatus(http.StatusUnauthorized)
+		return
+	}
+
+	hash, err := h.CredentialsVerifier.Hash(password)
+	if err != nil {
+		c.AbortWithStatus(http.StatusUnauthorized)
+	}
+
+	user = &budgeteer.User{
+		Name:     name,
+		Password: hash,
+		Email:    username,
+	}
+	err = h.UserService.CreateUser(user)
+	if err != nil {
+		c.AbortWithError(http.StatusInternalServerError, err)
+	}
+}