feat: use db

internal/channel_message.go

@@ -1,11 +1,16 @@
 package internal
 
-import "fmt"
+import (
+	"encoding/json"
+	"fmt"
+	"time"
+)
 
 type ChannelMessage struct {
-	ID      int
-	Message string
-	Medias  []ChannelMessageMedia
+	ID        int
+	Message   string
+	Medias    []ChannelMessageMedia
+	PublishAt time.Time
 }
 
 type ChannelMessageMedia struct {
@@ -13,8 +18,8 @@ type ChannelMessageMedia struct {
 	Video string
 }
 
-func NewChannelMessage(id int) *ChannelMessage {
-	return &ChannelMessage{ID: id}
+func NewChannelMessage(id, ts int) *ChannelMessage {
+	return &ChannelMessage{ID: id, PublishAt: time.Unix(int64(ts), 0)}
 }
 
 func (c *ChannelMessage) WithMessage(message string) *ChannelMessage {
@@ -31,3 +36,8 @@ func (c *ChannelMessage) WithVideo(video string) *ChannelMessage {
 	c.Medias = append(c.Medias, ChannelMessageMedia{Video: video})
 	return c
 }
+
+func (c *ChannelMessage) GetMedia() string {
+	b, _ := json.Marshal(c.Medias)
+	return string(b)
+}