Root Path setting

config.go

@@ -4,26 +4,30 @@ import (
   "flag"
   "github.com/caarlos0/env"
   "os"
+  "path"
 )
 
 func DefaultConfig() Config {
-  return Config{
-    DB:     "./sgot.db",
+  c := Config{
+    RootPath: "./",
     APIkey: "thisIsNotASecretTokenNow",
     Host:   "localhost",
     Port:   "6889",
     Title:  "Sgot",
   }
+  c.DB = c.RootPath + "shrty.db"
+  return c
 }
 
 type Config struct {
-  DB       string `env:"SHRT_DB_FILE"`
-  APIkey   string `env:"SHRT_API_KEY"`
-  Host     string `env:"SHRT_HOST"`
-  Port     string `env:"SHRT_PORT"`
-  Domain   string `env:"SHRT_DOMAIN"`
-  Title    string `env:"SHRT_TITLE"`
-  CheckDomain bool `env:"SHRT_CHECK_DOMAIN"`
+  RootPath string `env:"SHRTY_ROOT_PATH"`
+  DB       string `env:"SHRTY_DB_FILE"`
+  APIkey   string `env:"SHRTY_API_KEY"`
+  Host     string `env:"SHRTY_HOST"`
+  Port     string `env:"SHRTY_PORT"`
+  Domain   string `env:"SHRTY_DOMAIN"`
+  Title    string `env:"SHRTY_TITLE"`
+  CheckDomain bool `env:"SHRTY_CHECK_DOMAIN"`
 }
 
 func (c Config) HostPort() string {
@@ -48,10 +52,17 @@ func readConfig(f *flag.FlagSet, args []string) (*Config, error){
     return nil, err
   }
 
+  // Setting Rootpath from flag or enviorment and set the db path to new root.
+  f.StringVar(&config.RootPath, "root", config.RootPath, "The path to the shrty root directory.")
+  f.StringVar(&config.DB, "db-file", config.DB, "The db file to use")
+  if config.DB == "./shrty.db" && config.RootPath != "./" {
+    config.DB = path.Join(config.RootPath, "shrty.db")
+  }
+
+  // Setting up all the other flags
   f.StringVar(&config.Host, "host", config.Host, "The host to listen on")
   f.StringVar(&config.Port, "port", config.Port, "The port to listen on")
   f.StringVar(&config.APIkey, "apikey", config.APIkey, "The Key to connect to the API")
-  f.StringVar(&config.DB, "db-file", config.DB, "The db file to use")
   f.StringVar(&config.Domain, "domain", config.Domain, "The domain for redirect links")
   f.StringVar(&config.Title, "title", config.Title, "The title on the Front")
 

config_test.go

@@ -9,7 +9,7 @@ import (
 
 func TestConfig_ReadConfigDefaults(t *testing.T){
 	originalArgs := os.Args
-	os.Args = []string{"shrt"}
+	os.Args = []string{"shrty"}
 	defer func(){ os.Args = originalArgs }()
 
 	d := DefaultConfig()
@@ -24,6 +24,7 @@ func TestConfig_ReadConfig(t *testing.T){
 		"--title=title",
 		"--apikey=apikey",
 		"--domain=domain",
+		"--root=root",
 	}
 
 	expected := &Config{
@@ -33,6 +34,7 @@ func TestConfig_ReadConfig(t *testing.T){
 		Title:	"title",
 		APIkey: "apikey",
 		Domain: "domain",
+		RootPath: "root",
 	}
 
 	cfg, err := readConfig(flag.NewFlagSet("", flag.ContinueOnError), input)
@@ -41,18 +43,20 @@ func TestConfig_ReadConfig(t *testing.T){
 }
 
 func TestConfig_ReadConfigFromEnv(t *testing.T) {
-	assert.NoError(t, os.Setenv("SHRT_DB_FILE", "db"))
-	defer os.Unsetenv("SHRT_DB_FILE")
-	assert.NoError(t, os.Setenv("SHRT_API_KEY", "apikey"))
-	defer os.Unsetenv("SHRT_API_KEY")
-	assert.NoError(t, os.Setenv("SHRT_HOST", "host"))
-	defer os.Unsetenv("SHRT_HOST")
-	assert.NoError(t, os.Setenv("SHRT_PORT", "port"))
-	defer os.Unsetenv("SHRT_PORT")
-	assert.NoError(t, os.Setenv("SHRT_DOMAIN", "domain"))
-	defer os.Unsetenv("SHRT_DOMAIN")
-	assert.NoError(t, os.Setenv("SHRT_TITLE", "title"))
-	defer os.Unsetenv("SHRT_TITLE")
+	assert.NoError(t, os.Setenv("SHRTY_ROOT_PATH", "root"))
+	defer os.Unsetenv("SHRTY_ROOT_PATH")
+	assert.NoError(t, os.Setenv("SHRTY_DB_FILE", "db"))
+	defer os.Unsetenv("SHRTY_DB_FILE")
+	assert.NoError(t, os.Setenv("SHRTY_API_KEY", "apikey"))
+	defer os.Unsetenv("SHRTY_API_KEY")
+	assert.NoError(t, os.Setenv("SHRTY_HOST", "host"))
+	defer os.Unsetenv("SHRTY_HOST")
+	assert.NoError(t, os.Setenv("SHRTY_PORT", "port"))
+	defer os.Unsetenv("SHRTY_PORT")
+	assert.NoError(t, os.Setenv("SHRTY_DOMAIN", "domain"))
+	defer os.Unsetenv("SHRTY_DOMAIN")
+	assert.NoError(t, os.Setenv("SHRTY_TITLE", "title"))
+	defer os.Unsetenv("SHRTY_TITLE")
 
 	expected := &Config{
 		Host:	"host",
@@ -61,6 +65,37 @@ func TestConfig_ReadConfigFromEnv(t *testing.T) {
 		Title:	"title",
 		APIkey: "apikey",
 		Domain: "domain",
+		RootPath: "root",
+	}
+
+	cfg, err := readConfig(flag.NewFlagSet("", flag.ContinueOnError), []string{})
+	assert.NoError(t, err)
+	assert.Equal(t, expected, cfg)
+}
+
+func TestConfig_ReadConfigWithRootpath(t *testing.T) {
+	assert.NoError(t, os.Setenv("SHRTY_ROOT_PATH", "root"))
+	defer os.Unsetenv("SHRTY_ROOT_PATH")
+	assert.NoError(t, os.Setenv("SHRTY_API_KEY", "apikey"))
+	defer os.Unsetenv("SHRTY_API_KEY")
+	assert.NoError(t, os.Setenv("SHRTY_HOST", "host"))
+	defer os.Unsetenv("SHRTY_HOST")
+	assert.NoError(t, os.Setenv("SHRTY_PORT", "port"))
+	defer os.Unsetenv("SHRTY_PORT")
+	assert.NoError(t, os.Setenv("SHRTY_DOMAIN", "domain"))
+	defer os.Unsetenv("SHRTY_DOMAIN")
+	assert.NoError(t, os.Setenv("SHRTY_TITLE", "title"))
+	defer os.Unsetenv("SHRTY_TITLE")
+
+
+	expected := &Config{
+		RootPath:"root",
+		Host:	"host",
+		Port:	"port",
+		Title:	"title",
+		APIkey: "apikey",
+		Domain: "domain",
+		DB: "root/shrty.db",
 	}
 
 	cfg, err := readConfig(flag.NewFlagSet("", flag.ContinueOnError), []string{})

main.go

@@ -3,9 +3,10 @@ package main
 import (
 	"net/http"
 
-	shrty "github.com/kreativmonkey/shrt/shrty"
+	"github.com/kreativmonkey/shrt/shrty"
 	"log"
 	"fmt"
+	"path"
 )
 
 const version = "0.06"
@@ -35,9 +36,9 @@ type shrt struct {
 func main() {
 	router := NewRouter()
 
-	s := http.StripPrefix("/css/", http.FileServer(http.Dir("./template/css/")))
+	s := http.StripPrefix("/css/", http.FileServer(http.Dir(path.Join(config.RootPath, "/template/css/"))))
 	router.PathPrefix("/css/").Handler(s)
-	s = http.StripPrefix("/img/", http.FileServer(http.Dir("./template/img/")))
+	s = http.StripPrefix("/img/", http.FileServer(http.Dir(path.Join(config.RootPath, "/template/img/"))))
 	router.PathPrefix("/img/").Handler(s)
 
 	/*