add template path from config file

boot.go

@@ -16,7 +16,7 @@ func boot_system() (*lib.Environment, error) {
   if err != nil {
     return env, err
   }
-  env.Template, err = lib.LoadTemplates(`templates`)
+  env.Template, err = lib.LoadTemplates(settings.Templates)
   if err != nil {
     return env, err
   }

config.yml.example

@@ -3,3 +3,6 @@
 # more information can be obtained on the github page of the driver
 # http://godoc.org/github.com/lib/pq
 connection: user=zeroblog password=foobar sslmode=disable
+
+# the base template directory
+templates: templates

lib/environment.go

@@ -8,6 +8,7 @@ import (
 
 type Settings struct {
   Connection string
+  Templates string
 }
 
 type Environment struct {

lib/template.go

@@ -1,6 +1,7 @@
 package lib
 
 import (
+  "errors"
   "log"
   "io/ioutil"
   "os"
@@ -15,6 +16,8 @@ type fileList struct {
 
 // load all templates found as childs of the path
 func LoadTemplates(path string) (*template.Template, error) {
+  // TODO add better check for template directory
+  if path == "" { return nil, errors.New("template path empty") }
   f := &fileList{len(path), &template.Template{}}
 
   err := filepath.Walk(path, f.scanFile)