tonespy · June 23, 2019 12:12 · Jun 23, 2019
diff --git a/user_api.go b/user_api.go
@@ -0,0 +1,64 @@
+// ok represents types capable of validating
+// themselves.
+type ok interface {
+	OK() error
+}
+
+// CreateUser :- Handler for creating a user
+// POST /user
+func createUser(w http.ResponseWriter, r *http.Request, params httprouter.Params) {
+	var user models.User
+	err := decode(r, &user)
+	if err != nil {
+		validationData := appError.Params{
+			"first_name": "required",
+			"last_name":  "required",
+			"password":   "required",
+			"email":      "required",
+		}
+		errResp := appError.NewAPIError(http.StatusBadRequest, "BAD_REQUEST", "Please provide valid user data.", validationData)
+		appError.WriteErrorResponse(w, errResp)
+		return
+	}
+
+	user.CreatedAt = time.Now().Local().String()
+	user.UpdatedAt = time.Now().Local().String()
+	user.ID = models.GenerateUserID()
+
+	models.UserStore[strconv.Itoa(user.ID)] = user
+
+	resp := response.GenericResponse(http.StatusCreated, "User Created Successfully.", user)
+
+	response.WriteResponse(w, resp)
+}
+
+
+
+// GenerateUserRoutes :- Helper function for collating user routes
+func GenerateUserRoutes() []router.Route {
+	// Create user setup
+	createUserRoute := router.Route{
+		Name:            "Create User",
+		Method:          "POST",
+		Path:            "/user",
+		HandlerFunction: createUser,
+	}
+
+	// collate all routes
+	routes := []router.Route{createUserRoute}
+
+	return routes
+}
+
+// decode can be this simple to start with, but can be extended
+// later to support different formats and behaviours without
+// changing the interface.
+func decode(r *http.Request, v ok) error {
+	if r.Body == nil {
+		return errors.New("Invalid Body")
+	}
+	if err := json.NewDecoder(r.Body).Decode(v); err != nil {
+		return err
+	}
+	return v.OK()
+}
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