blog_backend_api/model/blog.go

package model

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

	"github.com/pkg/errors"
	"qiniupkg.com/x/log.v7"
)

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"`
	IsPublic int    `sql:"is_public" json:"is_public"`
}

type DocGroup struct {
	Int  int32  `sql:"int"`
	Name string `sql:"name"`
}
type ArticleType struct {
	Id        int64  `sql:"id" json:"id"`
	Name      string `sql:"type_name" json:"type_name"`
	Author    string `sql:"author" json:"author"`
	Group     int32  `sql:"group" json:"group"`
	GroupName string `json:"group_name"`
}

func GetArticlesType() []ArticleType {
	ret := []ArticleType{}
	sql := fmt.Sprintf("select * from doc_type")
	e := db.GetMysqlClient().Query2(sql, &ret)
	log.Print(ret)

	for k, _ := range ret {
		group := []DocGroup{}
		sql = fmt.Sprintf("select * from doc_group where doc_group.int = %d", ret[k].Group)
		db.GetMysqlClient().Query2(sql, &group)
		if len(group) > 0 {
			ret[k].GroupName = group[0].Name
		}
	}
	if nil != e {
		logs.Error(e.Error())
		return nil
	}
	return ret
}

/*
CreateDoc 新建文档
*/
func CreateDoc(doc Doc) error {
	sql := fmt.Sprintf(`INSERT INTO doc ( doc.title, doc.content, doc.author, doc.type,doc.is_public,doc.create_time) SELECT
			'%s',
			'%s',
			'%s',
			%d ,
			%d,
			'%s' 
			FROM
			DUAL 
			WHERE
	NOT EXISTS ( SELECT * FROM doc WHERE doc.title = '%s' );`, doc.Title, strings.Replace(doc.Content, "'", "\\'", -1),
		doc.Author, doc.Type, doc.IsPublic, time.Now().Format("2006-01-02 15:04:05"), doc.Title)
	_, e := db.GetMysqlClient().Query(sql)
	if nil != e {
		log.Print(sql)
		logs.Error(e.Error())
		return e
	}
	return nil
}

/*
UpdateDoc 更新文档
*/
func UpdateDoc(doc Doc) error {
	sql := fmt.Sprintf(`update doc set doc.author = '%s' ,doc.title = '%s',doc.type = '%d',doc.content = '%s' ,doc.update_time = '%s' where doc.id = '%d'; `,
		doc.Author, doc.Title, doc.Type,
		strings.Replace(doc.Content, "'", "\\'", -1), time.Now().Format("2006-01-02 15:04:05"), doc.ID)
	_, e := db.GetMysqlClient().Query(sql)
	if nil != e {
		logs.Error(e.Error())
		return e
	}
	return nil
}

/*
DeleteDoc 删除文档
*/
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
}

/*
AddArticleType 添加文档类型
*/
func AddArticleType(t ArticleType) error {
	sql := fmt.Sprintf("insert into doc_type(id,type_name,`group`) values ('%d','%s','%d')", t.Id, t.Name, t.Group)
	log.Print(sql)
	_, e := db.GetMysqlClient().Query(sql)
	if nil != e {
		logs.Error(e.Error())
		return e
	}
	return nil
}

/*
UpdateArticleType 更新文档类型
*/
func UpdateArticleType(t ArticleType) error {
	sql := fmt.Sprintf("update  doc_type set  type_name = '%s' and group = '%d' where id = %d", t.Name, t.Group, t.Id)
	_, e := db.GetMysqlClient().Query(sql)
	if nil != e {
		logs.Error(e.Error())
		return e
	}
	return nil

}

/*
DeleteArticleType 删除文档类型
*/
func DeleteArticleType(id int32) error {
	sql := fmt.Sprintf("delete from doc_type where id = '%d'", id)
	_, e := db.GetMysqlClient().Query(sql)
	if nil != e {
		logs.Error(e.Error())
		return e
	}
	return nil

}
func GetAllDocs() ([]Doc, error) {
	ret := []Doc{}
	sql := fmt.Sprintf("select * from doc")
	e := db.GetMysqlClient().Query2(sql, &ret)
	if nil != e {
		logs.Error(e.Error())
		return nil, e
	}
	return ret, nil

}
func GetAllGroup() ([]DocGroup, error) {
	ret := []DocGroup{}
	sql := fmt.Sprintf("select * from doc_group")
	e := db.GetMysqlClient().Query2(sql, &ret)
	if nil != e {
		logs.Error(e.Error())
		return nil, e
	}
	return ret, nil
}

func GetTypeGroup(id int32) (DocGroup, error) {
	ret := []DocGroup{}
	sql := fmt.Sprintf("select * from doc_group where doc_group = ?", id)
	e := db.GetMysqlClient().Query2(sql, &ret)
	if nil != e {
		logs.Error(e.Error())
		return DocGroup{}, e
	}
	if len(ret) > 0 {
		return ret[0], nil
	} else {
		return DocGroup{}, errors.New("no existed")
	}
}

func GetGroupTypes(id int32) ([]ArticleType, error) {
	ret := []ArticleType{}
	sql := fmt.Sprintf("select * from doc_type where doc_type.group = %d", id)
	log.Print(sql)
	e := db.GetMysqlClient().Query2(sql, &ret)
	if nil != e {
		logs.Error(e.Error())
		return nil, e
	}
	if len(ret) > 0 {
		return ret, nil
	} else {
		return nil, errors.New("no existed")
	}
}