can pull states from email and fill config file

main.go

@@ -1,14 +1,21 @@
 package main
 
 import (
-	"errors"
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
 	"local/storage"
 	"local/truckstop/broker"
 	"local/truckstop/config"
 	"log"
+	"regexp"
+	"strings"
 	"time"
 )
 
+var stateFinder = regexp.MustCompile(`[ ^>][A-Z][A-Z][ $<]`)
+
 func main() {
 	go func() {
 		email()
@@ -22,6 +29,7 @@ func main() {
 	if err := _main(); err != nil {
 		panic(err)
 	}
+	time.Sleep(time.Minute)
 }
 
 func email() error {
@@ -29,10 +37,37 @@ func email() error {
 	if err != nil {
 		return err
 	}
+	states := map[config.State]struct{}{}
+	var state config.State
 	for email := range ch {
-		log.Printf("%+v", email)
+		if len(states) > 0 {
+			continue
+		}
+		if !strings.Contains(email.Header.Get("From"), config.Get().Client) {
+			continue
+		}
+		b, _ := ioutil.ReadAll(email.Body)
+		candidates := stateFinder.FindAll(b, -1)
+		for _, candidate := range candidates {
+			s := fmt.Sprintf(`"%s"`, bytes.TrimSpace(candidate))
+			err := json.Unmarshal([]byte(s), &state)
+			if err != nil {
+			} else {
+				states[state] = struct{}{}
+			}
+		}
 	}
-	return errors.New("not impl")
+	if len(states) == 0 {
+		return nil
+	}
+	conf := *config.Get()
+	conf.States = []config.State{}
+	for k := range states {
+		conf.States = append(conf.States, k)
+	}
+	log.Printf("%+v, %+v", states, conf)
+	config.Set(conf)
+	return nil
 }
 
 func _main() error {