实现文档历史

models/document_history.go

@@ -1,5 +1,58 @@
 package models
 
-type DocumentHistory struct {
+import (
+	"time"
+	"github.com/lifei6671/godoc/conf"
+	"github.com/astaxie/beego/orm"
+)
 
+type DocumentHistory struct {
+	HistoryId    int       `orm:"column(history_id);pk;auto;unique" json:"history_id"`
+	DocumentId   int       `orm:"column(document_id);type(int);index" json:"doc_id"`
+	DocumentName string    `orm:"column(document_name);size(500)" json:"doc_name"`
+	ParentId     int       `orm:"column(parent_id);type(int);index;default(0)" json:"parent_id"`
+	Markdown     string    `orm:"column(markdown);type(text);null" json:"markdown"`
+	Content      string    `orm:"column(content);type(text);null" json:"content"`
+	MemberId     int       `orm:"column(member_id);type(int)" json:"member_id"`
+	ModifyTime   time.Time `orm:"column(modify_time);type(datetime);auto_now" json:"modify_time"`
+	ModifyAt     int       `orm:"column(modify_at);type(int)" json:"-"`
+	Version      int64     `orm:"type(bigint);column(version)" json:"version"`
+}
+
+// TableName 获取对应数据库表名.
+func (m *DocumentHistory) TableName() string {
+	return "document_history"
+}
+
+// TableEngine 获取数据使用的引擎.
+func (m *DocumentHistory) TableEngine() string {
+	return "INNODB"
+}
+
+func (m *DocumentHistory) TableNameWithPrefix() string {
+	return conf.GetDatabasePrefix() + m.TableName()
+}
+
+
+func (m *DocumentHistory) FindToPager(doc_id,page_index,page_size int) (docs []*DocumentHistory,totalCount int,err error) {
+
+	o := orm.NewOrm()
+
+	offset := (page_index - 1) * page_size
+
+	totalCount = 0
+	_,err = o.QueryTable(m.TableNameWithPrefix()).Filter("document_id",doc_id).Offset(offset).Limit(page_size).All(docs)
+
+	if err != nil {
+		return
+	}
+	var count int64
+	count,err = o.QueryTable(m.TableNameWithPrefix()).Filter("document_id",doc_id).Count()
+
+	if err != nil {
+		return
+	}
+	totalCount = int(count)
+
+	return
 }