go-common/app/interface/openplatform/article/dao/mysql_draft.go
2019-04-22 18:49:16 +08:00

217 lines
7.2 KiB
Go

package dao
import (
"context"
"database/sql"
"fmt"
"strings"
"time"
artmdl "go-common/app/interface/openplatform/article/model"
xsql "go-common/library/database/sql"
"go-common/library/ecode"
"go-common/library/log"
xtime "go-common/library/time"
)
const (
_addArticleDraftSQL = "REPLACE INTO article_draft_%s (id,category_id,title,summary,banner_url,template_id,mid,reprint,image_urls,tags,content, dynamic_intro, origin_image_urls, list_id, media_id, spoiler) VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)"
_articleDraftSQL = "SELECT id,category_id,title,summary,banner_url,template_id,mid,reprint,image_urls,tags,content,mtime,dynamic_intro,origin_image_urls, list_id, media_id, spoiler FROM article_draft_%s WHERE id=? AND deleted_time=0"
_checkDraftSQL = "SELECT deleted_time FROM article_draft_%s WHERE id=?"
_deleteArticleDraftSQL = "UPDATE article_draft_%s SET deleted_time=? WHERE id=?"
_upperDraftsSQL = "SELECT id,category_id,title,summary,template_id,reprint,image_urls,tags,mtime,dynamic_intro,origin_image_urls, list_id FROM article_draft_%s WHERE mid=? AND deleted_time=0 " +
"ORDER BY mtime DESC LIMIT ?,?"
_countUpperDraftSQL = "SELECT COUNT(*) FROM article_draft_%s WHERE mid=? AND deleted_time=0"
)
// ArtDraft get draft by article_id
func (d *Dao) ArtDraft(c context.Context, mid, aid int64) (res *artmdl.Draft, err error) {
var (
row *xsql.Row
tags string
imageURLs, originImageURLs string
category = &artmdl.Category{}
author = &artmdl.Author{}
meta = &artmdl.Meta{Media: &artmdl.Media{}}
mtime time.Time
sqlStr = fmt.Sprintf(_articleDraftSQL, d.hit(mid))
)
res = &artmdl.Draft{Article: &artmdl.Article{}}
row = d.articleDB.QueryRow(c, sqlStr, aid)
if err = row.Scan(&meta.ID, &category.ID, &meta.Title, &meta.Summary, &meta.BannerURL, &meta.TemplateID, &author.Mid, &meta.Reprint, &imageURLs, &tags, &res.Content, &mtime, &meta.Dynamic, &originImageURLs, &res.ListID, &meta.Media.MediaID, &meta.Media.Spoiler); err != nil {
if err == sql.ErrNoRows {
res = nil
err = nil
return
}
PromError("db:读取草稿")
log.Error("ArtDraft.row.Scan() error(%d,%d,%v)", mid, aid, err)
return
}
meta.Category = category
meta.Author = author
meta.Mtime = xtime.Time(mtime.Unix())
if imageURLs == "" {
meta.ImageURLs = []string{}
} else {
meta.ImageURLs = strings.Split(imageURLs, ",")
}
if originImageURLs == "" {
meta.OriginImageURLs = []string{}
} else {
meta.OriginImageURLs = strings.Split(originImageURLs, ",")
}
if tags == "" {
res.Tags = []string{}
} else {
res.Tags = strings.Split(tags, ",")
}
res.Meta = meta
return
}
// UpperDrafts batch get draft by mid.
func (d *Dao) UpperDrafts(c context.Context, mid int64, start, ps int) (res []*artmdl.Draft, err error) {
var (
rows *xsql.Rows
sqlStr = fmt.Sprintf(_upperDraftsSQL, d.hit(mid))
)
if rows, err = d.articleDB.Query(c, sqlStr, mid, start, ps); err != nil {
PromError("db:读取草稿")
log.Error("d.articleDB.Query(%d,%d,%d) error(%+v)", mid, start, ps, err)
return
}
defer rows.Close()
for rows.Next() {
var (
tags string
imageURLs, originImageURLs string
category = &artmdl.Category{}
author = &artmdl.Author{}
art = &artmdl.Draft{Article: &artmdl.Article{}}
meta = &artmdl.Meta{}
mtime time.Time
listID int64
)
if err = rows.Scan(&meta.ID, &category.ID, &meta.Title, &meta.Summary, &meta.TemplateID, &meta.Reprint, &imageURLs, &tags, &mtime, &meta.Dynamic, &originImageURLs, &listID); err != nil {
log.Error("UpperDrafts.row.Scan() error(%d,%d,%d,%v)", mid, start, ps, err)
return
}
meta.Category = category
meta.Author = author
meta.Mtime = xtime.Time(mtime.Unix())
if imageURLs == "" {
meta.ImageURLs = []string{}
} else {
meta.ImageURLs = strings.Split(imageURLs, ",")
}
if originImageURLs == "" {
meta.OriginImageURLs = []string{}
} else {
meta.OriginImageURLs = strings.Split(originImageURLs, ",")
}
if tags == "" {
art.Tags = []string{}
} else {
art.Tags = strings.Split(tags, ",")
}
art.Meta = meta
art.ListID = listID
res = append(res, art)
}
err = rows.Err()
promErrorCheck(err)
return
}
// AddArtDraft add article draft .
func (d *Dao) AddArtDraft(c context.Context, a *artmdl.Draft) (id int64, err error) {
var (
deleted bool
res sql.Result
tags = strings.Join(a.Tags, ",")
imageUrls = strings.Join(a.ImageURLs, ",")
originImageUrls = strings.Join(a.OriginImageURLs, ",")
sqlStr = fmt.Sprintf(_addArticleDraftSQL, d.hit(a.Author.Mid))
)
if a.ID > 0 {
if deleted, err = d.IsDraftDeleted(c, a.Author.Mid, a.ID); err != nil {
return
} else if deleted {
err = ecode.ArtCreationDraftDeleted
return
}
}
if res, err = d.articleDB.Exec(c, sqlStr, a.ID, a.Category.ID, a.Title, a.Summary, a.BannerURL, a.TemplateID, a.Author.Mid, a.Reprint, imageUrls, tags, a.Content, a.Dynamic, originImageUrls, a.ListID, a.Media.MediaID, a.Media.Spoiler); err != nil {
PromError("db:新增或更新草稿")
log.Error("d.articleDB.Exec(%+v) error(%+v)", a, err)
return
}
if id, err = res.LastInsertId(); err != nil {
PromError("db:获取新增草稿ID")
log.Error("res.LastInsertId() error(%+v)", err)
}
return
}
// IsDraftDeleted judges is draft has been deleted.
func (d *Dao) IsDraftDeleted(c context.Context, mid, aid int64) (deleted bool, err error) {
var (
dt int
sqlStr = fmt.Sprintf(_checkDraftSQL, d.hit(mid))
)
if err = d.articleDB.QueryRow(c, sqlStr, aid).Scan(&dt); err != nil {
if err == sql.ErrNoRows {
err = nil
return
}
PromError("db:判断草稿是否被删除")
log.Error("d.articleDB.QueryRow(%d,%d) error(%+v)", mid, aid, err)
return
}
if dt > 0 {
deleted = true
}
return
}
// TxDeleteArticleDraft deletes article draft via transaction.
func (d *Dao) TxDeleteArticleDraft(c context.Context, tx *xsql.Tx, mid, aid int64) (err error) {
var (
now = time.Now().Unix()
sqlStr = fmt.Sprintf(_deleteArticleDraftSQL, d.hit(mid))
)
if _, err = tx.Exec(sqlStr, now, aid); err != nil {
PromError("db:删除草稿")
log.Error("TxDeleteArticleDraft.Exec(%d,%d) error(%+v)", mid, aid, err)
}
return
}
// DelArtDraft deletes article draft.
func (d *Dao) DelArtDraft(c context.Context, mid, aid int64) (err error) {
var (
now = time.Now().Unix()
sqlStr = fmt.Sprintf(_deleteArticleDraftSQL, d.hit(mid))
)
if _, err = d.articleDB.Exec(c, sqlStr, now, aid); err != nil {
PromError("db:删除草稿")
log.Error("d.articleDB.Exec(%d,%d) error(%+v)", mid, aid, err)
}
return
}
// CountUpperDraft count upper's draft
func (d *Dao) CountUpperDraft(c context.Context, mid int64) (count int, err error) {
var sqlStr = fmt.Sprintf(_countUpperDraftSQL, d.hit(mid))
if err = d.articleDB.QueryRow(c, sqlStr, mid).Scan(&count); err != nil {
if err == sql.ErrNoRows {
err = nil
return
}
PromError("db:读取草稿计数")
log.Error("CountUpperDraft.row.Scan() error(%d,%v)", mid, err)
}
return
}