Adding ability to export data from mattermost

store/sql_post_store.go

@@ -506,3 +506,27 @@ func (s SqlPostStore) Search(teamId string, userId string, terms string, isHasht
 
 	return storeChannel
 }
+
+func (s SqlPostStore) GetForExport(channelId string) StoreChannel {
+	storeChannel := make(StoreChannel)
+
+	go func() {
+		result := StoreResult{}
+
+		var posts []*model.Post
+		_, err := s.GetReplica().Select(
+			&posts,
+			"SELECT * FROM Posts WHERE ChannelId = :ChannelId AND DeleteAt = 0",
+			map[string]interface{}{"ChannelId": channelId})
+		if err != nil {
+			result.Err = model.NewAppError("SqlPostStore.GetForExport", "We couldn't get the posts for the channel", "channelId="+channelId+err.Error())
+		} else {
+			result.Data = posts
+		}
+
+		storeChannel <- result
+		close(storeChannel)
+	}()
+
+	return storeChannel
+}