Show API URL endpoints in user interface

config/config.go

@@ -55,7 +55,11 @@ func (c *Config) HasDebugMode() bool {
 
 // BaseURL returns the application base URL.
 func (c *Config) BaseURL() string {
-	return c.get("BASE_URL", defaultBaseURL)
+	baseURL := c.get("BASE_URL", defaultBaseURL)
+	if baseURL[len(baseURL)-1:] == "/" {
+		baseURL = baseURL[:len(baseURL)-1]
+	}
+	return baseURL
 }
 
 // DatabaseURL returns the database URL.

config/config_test.go

@@ -0,0 +1,39 @@
+// Copyright 2017 Frédéric Guillot. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+package config
+
+import (
+	"os"
+	"testing"
+)
+
+func TestGetCustomBaseURL(t *testing.T) {
+	os.Clearenv()
+	os.Setenv("BASE_URL", "http://example.org")
+	cfg := NewConfig()
+
+	if cfg.BaseURL() != "http://example.org" {
+		t.Fatalf(`Unexpected base URL, got "%s"`, cfg.BaseURL())
+	}
+}
+
+func TestGetCustomBaseURLWithTrailingSlash(t *testing.T) {
+	os.Clearenv()
+	os.Setenv("BASE_URL", "http://example.org/folder/")
+	cfg := NewConfig()
+
+	if cfg.BaseURL() != "http://example.org/folder" {
+		t.Fatalf(`Unexpected base URL, got "%s"`, cfg.BaseURL())
+	}
+}
+
+func TestGetDefaultBaseURL(t *testing.T) {
+	os.Clearenv()
+	cfg := NewConfig()
+
+	if cfg.BaseURL() != "http://localhost" {
+		t.Fatalf(`Unexpected base URL, got "%s"`, cfg.BaseURL())
+	}
+}