blog_backend_api/model/blog.go

package model

import (
	"background/db"
	"background/logs"
	"fmt"
	"strings"
)

type Doc struct {
	ID      int64  `sql:"id" json:"id"`
	Title   string `sql:"title" json:"title"`
	Type    int64  `sql:"type" json:"type"`
	Content string `sql:"content" json:"content"`
	Author  string `sql:"author"  json:"author"`
}

type ArticleType struct {
	Id     int64  `sql:"id" json:"id"`
	Name   string `sql:"name" json:"name"`
	Author string `sql:"author" json:"author"`
}

func GetArticlesType() []ArticleType {
	ret := []ArticleType{}
	sql := fmt.Sprintf("select * from article_type")
	e := db.GetBlogMysql().Query2(sql, &ret)
	if nil != e {
		logs.Error(e.Error())
		return nil
	}
	return ret
}
func CreateDoc(doc Doc) error {
	sql := fmt.Sprintf(`INSERT INTO doc ( doc.title, doc.content, doc.author, doc.type ) SELECT
'%s',
'%s',
'%s',
%d 
FROM
DUAL 
WHERE
	NOT EXISTS ( SELECT * FROM doc WHERE doc.title = '%s' );`, doc.Title, doc.Content, doc.Author, doc.Type,doc.Title)
	_, e := db.GetMysqlClient().Query(sql)
	if nil != e {
		logs.Error(e.Error())
		return e
	}
	return nil
}

func UpdateDoc(doc Doc) error{
	sql := fmt.Sprintf(`update doc set doc.author = '%s' ,doc.title = '%s',doc.type = '%d',doc.content = '%s' where doc.id = '%d'; `,
		doc.Author,  strings.Replace(doc.Title, "'", "\\'", -1), doc.Type,
		strings.Replace(doc.Content, "'", "\\'", -1),doc.ID)
	_, e := db.GetMysqlClient().Query(sql)
	if nil != e {
		logs.Error(e.Error())
		return e
	}
	return nil
}

func DeleteDoc(id int64)  error{
	sql := fmt.Sprintf(`delete from doc where id = %d`,id)
	_, e := db.GetMysqlClient().Query(sql)
	if nil != e {
		logs.Error(e.Error())
		return e
	}
	return nil
}