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DocTextModel.go
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package models
import "github.com/TruthHun/DocHub/helper"
//文档表
type DocText struct {
Id int `orm:"Column(Id)"`
Md5 string `orm:"size(32);default();column(Md5)"` //文档的md5,之所以存储md5而不是文档的存档id,主要是因为文档在这之前没录入数据库
Content string `orm:"size(5000);default();column(Content)"` //文档提取到的文档内容
Status bool `orm:default(false);column(Status)` //内容状态是否可用,如果可用,则会用于文档摘要的显示,否则不用于摘要显示
}
//根据md5获取文档摘要,默认获取255个字符长度
//@param md5str 文档md5
//@param length 需要获取的长度
//@return desc 返回摘要内容
func (this *DocText) GetDescByMd5(md5str interface{}, length ...int) (desc string) {
var doctext DocText
O.QueryTable(TableDocText).Filter("Md5", md5str).One(&doctext)
l := 255
if len(length) > 0 {
l = length[0]
}
return helper.SubStr(doctext.Content, 0, l)
}
//根据存档表的id获取文档摘要,默认获取255个字符长度
//@param dsid document_store的id
//@param length 需要获取的长度
//@return desc 返回摘要内容
func (this *DocText) GetDescByDsId(dsid interface{}, length ...int) (desc string) {
if dsinfo, rows, _ := ModelDoc.GetDocStoreByDsId(dsid); rows > 0 {
return this.GetDescByMd5(dsinfo[0].Md5, length...)
}
return
}
//根据文档表的文档id获取文档摘要,默认获取255个字符长度
//@param did document_store的id
//@param length 需要获取的长度
//@return desc 返回摘要内容
func (this *DocText) GetDescByDid(did interface{}, length ...int) (desc string) {
var dsid = 0
if docinfo, rows, _ := ModelDoc.GetDocInfoById(did); rows > 0 {
dsid = docinfo[0].DsId
}
if dsinfo, rows, _ := ModelDoc.GetDocStoreByDsId(dsid); rows > 0 {
return this.GetDescByMd5(dsinfo[0].Md5, length...)
}
return
}