rss and rss item and encode

Former-commit-id: 333b5635cc0eb22964403cc78f660e02a830f077

config/encodable.go

@@ -1,22 +0,0 @@
-package config
-
-import (
-	"bytes"
-	"encoding/gob"
-)
-
-type Encodable struct{}
-
-func (e *Encodable) Encode() ([]byte, error) {
-	buff := bytes.NewBuffer(nil)
-	enc := gob.NewEncoder(buff)
-	err := enc.Encode(e)
-	return buff.Bytes(), err
-}
-
-func (e *Encodable) Decode(b []byte) error {
-	buff := bytes.NewBuffer(b)
-	dec := gob.NewDecoder(buff)
-	err := dec.Decode(e)
-	return err
-}

config/encode.go

@@ -0,0 +1,20 @@
+package config
+
+import (
+	"bytes"
+	"encoding/gob"
+)
+
+func Encode(v interface{}) ([]byte, error) {
+	buff := bytes.NewBuffer(nil)
+	enc := gob.NewEncoder(buff)
+	err := enc.Encode(v)
+	return buff.Bytes(), err
+}
+
+func Decode(b []byte, v interface{}) error {
+	buff := bytes.NewBuffer(b)
+	enc := gob.NewDecoder(buff)
+	err := enc.Decode(v)
+	return err
+}

config/encode_test.go

@@ -0,0 +1,24 @@
+package config
+
+import (
+	"testing"
+	"time"
+)
+
+func TestEncodeDecode(t *testing.T) {
+	c := time.Now()
+	d := c.Add(0)
+
+	b, err := Encode(c)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if err := Decode(b, &c); err != nil {
+		t.Fatal(err)
+	}
+
+	if c.Sub(d) > time.Millisecond*5 {
+		t.Fatalf("%v => %v", d, c)
+	}
+}