Add user conf support for bee.json

run.go

@@ -0,0 +1,93 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	path "path/filepath"
+	"runtime"
+)
+
+var cmdRun = &Command{
+	UsageLine: "run [appname]",
+	Short:     "run the app which can hot compile",
+	Long: `
+start the appname throw exec.Command
+
+then start a inotify watch for current dir
+										
+when the file has changed bee will auto go build and restart the app
+
+	file changed
+	     |
+  check if it's go file
+	     |
+     yes     no
+      |       |
+ go build    do nothing
+     |
+ restart app   
+`,
+}
+
+func init() {
+	cmdRun.Run = runApp
+}
+
+var appname string
+var conf struct {
+	DirStruct struct {
+		Controllers string
+		Models      string
+	} `json:"dir_structure"`
+}
+
+func runApp(cmd *Command, args []string) {
+	if len(args) != 1 {
+		fmt.Println("[ERRO] Argument [appname] is missing")
+		os.Exit(2)
+	}
+	crupath, _ := os.Getwd()
+	Debugf("current path:%s\n", crupath)
+
+	err := loadConfig()
+	if err != nil {
+		fmt.Println("[ERRO] Fail to parse bee.json:", err)
+	}
+	var paths []string
+	paths = append(paths,
+		path.Join(crupath, conf.DirStruct.Controllers),
+		path.Join(crupath, conf.DirStruct.Models))
+
+	NewWatcher(paths)
+	appname = args[0]
+	Autobuild()
+	for {
+		runtime.Gosched()
+	}
+}
+
+// loadConfig loads customized configuration.
+func loadConfig() error {
+	f, err := os.Open("bee.json")
+	if err != nil {
+		// Use default.
+		return nil
+	}
+	defer f.Close()
+
+	d := json.NewDecoder(f)
+	err = d.Decode(&conf)
+	if err != nil {
+		return err
+	}
+
+	// Set variables.
+	if len(conf.DirStruct.Controllers) == 0 {
+		conf.DirStruct.Controllers = "controllers"
+	}
+	if len(conf.DirStruct.Models) == 0 {
+		conf.DirStruct.Models = "models"
+	}
+	return nil
+}