From 2ff6fef92e4099cf94d07b4d4d817b10228310c1 Mon Sep 17 00:00:00 2001
From: Soulou <leo@unbekandt.eu>
Date: Thu, 10 Oct 2019 13:56:08 +0200
Subject: [PATCH] Display a nice message when creating an app in a disabled
 region

---
 Gopkg.lock                                    |  6 ++--
 apps/create.go                                | 31 +++++++++++++++++++
 utils/errors.go                               | 15 +++++++++
 .../Scalingo/go-scalingo/http/errors.go       |  4 ++-
 4 files changed, 52 insertions(+), 4 deletions(-)
 create mode 100644 utils/errors.go

diff --git a/Gopkg.lock b/Gopkg.lock
index 7d7adb52d..d7d799802 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -18,7 +18,7 @@
   revision = "8eb48cc6f27eafda8e3a9627edba494a1d229a01"
 
 [[projects]]
-  digest = "1:783cbace786278a2ffbde56d5aec37aa94e47c57ffba01967093b34c18b9b7d7"
+  digest = "1:2c5f09c29d50a9f8321bae28b6e376adf81116a069258f5889ab6860734ec524"
   name = "github.com/Scalingo/go-scalingo"
   packages = [
     ".",
@@ -29,8 +29,8 @@
     "io",
   ]
   pruneopts = "NUT"
-  revision = "1bc7f634ed658b0a8499489673497715736ccb7a"
-  version = "v3.0.6"
+  revision = "11ac9402ccee4d1cc81dc6b89fa3d66d945bae0b"
+  version = "v3.0.7"
 
 [[projects]]
   digest = "1:a1dcc4e2d5a5980c31901ea884435b64917fdd523eacb5d6171023b80eaa25a8"
diff --git a/apps/create.go b/apps/create.go
index e65d73d85..7448769fb 100644
--- a/apps/create.go
+++ b/apps/create.go
@@ -18,6 +18,9 @@ func Create(appName string, remote string, buildpack string) error {
 
 	app, err := c.AppsCreate(scalingo.AppsCreateOpts{Name: appName})
 	if err != nil {
+		if utils.IsRegionDisabledError(err) {
+			return handleRegionDisabledError(appName, c)
+		}
 		if !utils.IsPaymentRequiredAndFreeTrialExceededError(err) {
 			return errgo.Mask(err, errgo.Any)
 		}
@@ -43,3 +46,31 @@ func Create(appName string, remote string, buildpack string) error {
 	}
 	return nil
 }
+
+func handleRegionDisabledError(appName string, c *scalingo.Client) error {
+	regions, rerr := c.RegionsList()
+	if rerr != nil {
+		return errgo.Notef(rerr, "region is disabled, failed to list available regions")
+	}
+	if len(regions) <= 1 {
+		return errgo.New("region is disabled and there is no other available region")
+	}
+	firstRegion := regions[0]
+	if firstRegion.Name == config.C.ScalingoRegion {
+		firstRegion = regions[1]
+	}
+
+	fmt.Printf("Application creation has been disabled on the currently used region: %v\n\n", config.C.ScalingoRegion)
+	fmt.Printf("Either configure your CLI to use another default region, then create your application:\n")
+	fmt.Printf("    scalingo config --region %s\n    scalingo create %s\n", firstRegion.Name, appName)
+	fmt.Printf("\nOr use the region flag to specify the region explicitely for this command:\n")
+	fmt.Printf("    scalingo --region %s create %s\n", firstRegion.Name, appName)
+	fmt.Printf("\nList of available regions:\n")
+	for _, region := range regions {
+		if region.Name == config.C.ScalingoRegion {
+			continue
+		}
+		fmt.Printf("- %v (%v)\n", region.Name, region.DisplayName)
+	}
+	return nil
+}
diff --git a/utils/errors.go b/utils/errors.go
new file mode 100644
index 000000000..a34cc2977
--- /dev/null
+++ b/utils/errors.go
@@ -0,0 +1,15 @@
+package utils
+
+import (
+	"github.com/Scalingo/go-scalingo/http"
+	"github.com/Scalingo/go-utils/errors"
+)
+
+func IsRegionDisabledError(err error) bool {
+	reqerr, ok := errors.ErrgoRoot(err).(*http.RequestFailedError)
+	if !ok || reqerr.Code != 403 {
+		return false
+	}
+	httperr, ok := reqerr.APIError.(http.ForbiddenError)
+	return ok && httperr.Code == "region_disabled"
+}
diff --git a/vendor/github.com/Scalingo/go-scalingo/http/errors.go b/vendor/github.com/Scalingo/go-scalingo/http/errors.go
index dfdf6fb33..da2fbf2fb 100644
--- a/vendor/github.com/Scalingo/go-scalingo/http/errors.go
+++ b/vendor/github.com/Scalingo/go-scalingo/http/errors.go
@@ -13,6 +13,7 @@ import (
 type (
 	BadRequestError struct {
 		ErrMessage string `json:"error"`
+		Code       string `json:"code"`
 	}
 
 	PaymentRequiredError struct {
@@ -27,7 +28,8 @@ type (
 	}
 
 	ForbiddenError struct {
-		Err string `json:"error"`
+		Err  string `json:"error"`
+		Code string `json:"code"`
 	}
 
 	UnprocessableEntity struct {