|
|
package model
|
|
|
|
|
|
import (
|
|
|
"fmt"
|
|
|
"path/filepath"
|
|
|
"strings"
|
|
|
"time"
|
|
|
|
|
|
"github.com/PuerkitoBio/goquery"
|
|
|
"go.uber.org/zap"
|
|
|
"gorm.io/gorm"
|
|
|
)
|
|
|
|
|
|
type Article struct {
|
|
|
Id int64 `form:"id" json:"id,omitempty" gorm:"primaryKey;autoIncrement;column:id;comment:;"`
|
|
|
Identifier string `form:"identifier" json:"identifier,omitempty" gorm:"column:identifier;type:varchar(64);size:64;index:identifier,unique;comment:文章标识,唯一;"`
|
|
|
Author string `form:"author" json:"author,omitempty" gorm:"column:author;type:varchar(64);size:64;comment:作者;"`
|
|
|
ViewCount int `form:"view_count" json:"view_count,omitempty" gorm:"column:view_count;type:int(11);size:11;default:0;comment:阅读;"`
|
|
|
Title string `form:"title" json:"title,omitempty" gorm:"column:title;type:varchar(255);size:255;comment:文章标题;"`
|
|
|
Keywords string `form:"keywords" json:"keywords,omitempty" gorm:"column:keywords;type:varchar(255);size:255;comment:关键字;"`
|
|
|
Description string `form:"description" json:"description,omitempty" gorm:"column:description;type:varchar(255);size:255;comment:摘要;"`
|
|
|
Content string `form:"content" json:"content,omitempty" gorm:"column:content;type:longtext;comment:内容;"`
|
|
|
CreatedAt time.Time `form:"created_at" json:"created_at,omitempty" gorm:"column:created_at;type:datetime;comment:创建时间;"`
|
|
|
UpdatedAt time.Time `form:"updated_at" json:"updated_at,omitempty" gorm:"column:updated_at;type:datetime;comment:更新时间;"`
|
|
|
}
|
|
|
|
|
|
func (Article) TableName() string {
|
|
|
return tablePrefix + "article"
|
|
|
}
|
|
|
|
|
|
func (m *DBModel) initArticle() (err error) {
|
|
|
// 初始化文章:
|
|
|
// about 关于我们
|
|
|
// agreement 文库协议
|
|
|
// contact 联系我们
|
|
|
// feedback 意见反馈
|
|
|
// copyright 免责声明
|
|
|
// help 使用帮助
|
|
|
articles := []Article{
|
|
|
{
|
|
|
Identifier: "about",
|
|
|
Title: "关于我们",
|
|
|
Content: "请输入【关于我们】的内容",
|
|
|
},
|
|
|
{
|
|
|
Identifier: "agreement",
|
|
|
Title: "文库协议",
|
|
|
Content: "请输入【文库协议】的内容",
|
|
|
},
|
|
|
{
|
|
|
Identifier: "contact",
|
|
|
Title: "联系我们",
|
|
|
Content: "请输入【联系我们】的内容",
|
|
|
},
|
|
|
{
|
|
|
Identifier: "feedback",
|
|
|
Title: "意见反馈",
|
|
|
Content: "请输入【意见反馈】的内容",
|
|
|
},
|
|
|
{
|
|
|
Identifier: "copyright",
|
|
|
Title: "免责声明",
|
|
|
Content: "请输入【免责声明】的内容",
|
|
|
},
|
|
|
{
|
|
|
Identifier: "help",
|
|
|
Title: "使用帮助",
|
|
|
Content: "请输入【使用帮助】的内容",
|
|
|
},
|
|
|
}
|
|
|
for _, article := range articles {
|
|
|
exist, _ := m.GetArticleByIdentifier(article.Identifier, "id")
|
|
|
if exist.Id == 0 {
|
|
|
err = m.CreateArticle(&article)
|
|
|
if err != nil {
|
|
|
m.logger.Error("initArticle", zap.Error(err), zap.Any("article", article))
|
|
|
return
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
return
|
|
|
}
|
|
|
|
|
|
// CreateArticle 创建Article
|
|
|
func (m *DBModel) CreateArticle(article *Article) (err error) {
|
|
|
err = m.db.Create(article).Error
|
|
|
if err != nil {
|
|
|
m.logger.Error("CreateArticle", zap.Error(err))
|
|
|
return
|
|
|
}
|
|
|
m.checkArticleFile(article)
|
|
|
return
|
|
|
}
|
|
|
|
|
|
// UpdateArticle 更新Article,如果需要更新指定字段,则请指定updateFields参数
|
|
|
// 注意:不支持更新identifier
|
|
|
func (m *DBModel) UpdateArticle(article *Article, updateFields ...string) (err error) {
|
|
|
db := m.db.Model(article)
|
|
|
tableName := Article{}.TableName()
|
|
|
|
|
|
updateFields = m.FilterValidFields(tableName, updateFields...)
|
|
|
if len(updateFields) > 0 { // 更新指定字段
|
|
|
db = db.Select(updateFields)
|
|
|
} else { // 更新全部字段,包括零值字段
|
|
|
db = db.Select(m.GetTableFields(tableName))
|
|
|
}
|
|
|
|
|
|
err = db.Where("id = ?", article.Id).Omit("identifier").Updates(article).Error
|
|
|
if err != nil {
|
|
|
m.logger.Error("UpdateArticle", zap.Error(err))
|
|
|
}
|
|
|
|
|
|
m.checkArticleFile(article)
|
|
|
return
|
|
|
}
|
|
|
|
|
|
// UpdateArticleViewCount 更新浏览量
|
|
|
func (m *DBModel) UpdateArticleViewCount(id int64, viewCount int) (err error) {
|
|
|
sql := fmt.Sprintf("update %s set view_count=? where id=?", Article{}.TableName())
|
|
|
err = m.db.Exec(sql, viewCount, id).Error
|
|
|
if err != nil {
|
|
|
m.logger.Error("UpdateArticleViewCount", zap.Error(err))
|
|
|
}
|
|
|
return
|
|
|
}
|
|
|
|
|
|
// GetArticle 根据id获取Article
|
|
|
func (m *DBModel) GetArticle(id interface{}, fields ...string) (article Article, err error) {
|
|
|
db := m.db
|
|
|
|
|
|
fields = m.FilterValidFields(Article{}.TableName(), fields...)
|
|
|
if len(fields) > 0 {
|
|
|
db = db.Select(fields)
|
|
|
}
|
|
|
|
|
|
err = db.Where("id = ?", id).First(&article).Error
|
|
|
return
|
|
|
}
|
|
|
|
|
|
// GetArticleByIdentifier(identifier string, fields ...string) 根据唯一索引获取Article
|
|
|
func (m *DBModel) GetArticleByIdentifier(identifier string, fields ...string) (article Article, err error) {
|
|
|
db := m.db
|
|
|
|
|
|
fields = m.FilterValidFields(Article{}.TableName(), fields...)
|
|
|
if len(fields) > 0 {
|
|
|
db = db.Select(fields)
|
|
|
}
|
|
|
|
|
|
db = db.Where("identifier = ?", identifier)
|
|
|
|
|
|
err = db.First(&article).Error
|
|
|
if err != nil && err != gorm.ErrRecordNotFound {
|
|
|
m.logger.Error("GetArticleByIdentifier", zap.Error(err))
|
|
|
return
|
|
|
}
|
|
|
return
|
|
|
}
|
|
|
|
|
|
type OptionGetArticleList struct {
|
|
|
Page int
|
|
|
Size int
|
|
|
WithCount bool // 是否返回总数
|
|
|
Ids []interface{} // id列表
|
|
|
SelectFields []string // 查询字段
|
|
|
QueryRange map[string][2]interface{} // map[field][]{min,max}
|
|
|
QueryIn map[string][]interface{} // map[field][]{value1,value2,...}
|
|
|
QueryLike map[string][]interface{} // map[field][]{value1,value2,...}
|
|
|
Sort []string
|
|
|
}
|
|
|
|
|
|
// GetArticleList 获取Article列表
|
|
|
func (m *DBModel) GetArticleList(opt *OptionGetArticleList) (articleList []Article, total int64, err error) {
|
|
|
tableName := Article{}.TableName()
|
|
|
db := m.db.Model(&Article{})
|
|
|
db = m.generateQueryRange(db, tableName, opt.QueryRange)
|
|
|
db = m.generateQueryIn(db, tableName, opt.QueryIn)
|
|
|
db = m.generateQueryLike(db, tableName, opt.QueryLike)
|
|
|
|
|
|
if len(opt.Ids) > 0 {
|
|
|
db = db.Where("id in (?)", opt.Ids)
|
|
|
}
|
|
|
|
|
|
if opt.WithCount {
|
|
|
err = db.Count(&total).Error
|
|
|
if err != nil {
|
|
|
m.logger.Error("GetArticleList", zap.Error(err))
|
|
|
return
|
|
|
}
|
|
|
}
|
|
|
|
|
|
opt.SelectFields = m.FilterValidFields(tableName, opt.SelectFields...)
|
|
|
if len(opt.SelectFields) > 0 {
|
|
|
db = db.Select(opt.SelectFields)
|
|
|
} else {
|
|
|
db = db.Omit("content")
|
|
|
}
|
|
|
|
|
|
if len(opt.Sort) > 0 {
|
|
|
db = m.generateQuerySort(db, tableName, opt.Sort)
|
|
|
} else {
|
|
|
db = db.Order("id desc")
|
|
|
}
|
|
|
|
|
|
db = db.Offset((opt.Page - 1) * opt.Size).Limit(opt.Size)
|
|
|
|
|
|
err = db.Find(&articleList).Error
|
|
|
if err != nil && err != gorm.ErrRecordNotFound {
|
|
|
m.logger.Error("GetArticleList", zap.Error(err))
|
|
|
}
|
|
|
return
|
|
|
}
|
|
|
|
|
|
// DeleteArticle 删除数据
|
|
|
func (m *DBModel) DeleteArticle(ids []int64) (err error) {
|
|
|
sess := m.db.Begin()
|
|
|
defer func() {
|
|
|
if err != nil {
|
|
|
sess.Rollback()
|
|
|
} else {
|
|
|
sess.Commit()
|
|
|
}
|
|
|
}()
|
|
|
|
|
|
err = sess.Where("id in (?)", ids).Delete(&Article{}).Error
|
|
|
if err != nil {
|
|
|
m.logger.Error("DeleteArticle", zap.Error(err))
|
|
|
return
|
|
|
}
|
|
|
|
|
|
err = sess.Where("type = ? and type_id in (?)", AttachmentTypeArticle, ids).Delete(&Attachment{}).Error
|
|
|
if err != nil {
|
|
|
m.logger.Error("DeleteArticle", zap.Error(err))
|
|
|
return
|
|
|
}
|
|
|
|
|
|
return
|
|
|
}
|
|
|
|
|
|
// checkArticleFile 检查文章中的文件,包括音频视频和图片等
|
|
|
func (m *DBModel) checkArticleFile(article *Article) {
|
|
|
doc, err := goquery.NewDocumentFromReader(strings.NewReader(article.Content))
|
|
|
if err != nil {
|
|
|
m.logger.Error("checkArticleFile", zap.Error(err))
|
|
|
return
|
|
|
}
|
|
|
|
|
|
var (
|
|
|
hashes []string
|
|
|
tags = []string{"img", "video", "audio"}
|
|
|
)
|
|
|
|
|
|
for _, tag := range tags {
|
|
|
doc.Find(tag).Each(func(i int, selection *goquery.Selection) {
|
|
|
src, ok := selection.Attr("src")
|
|
|
if !ok {
|
|
|
src, ok = selection.Find("source").Attr("src")
|
|
|
}
|
|
|
if ok && strings.HasPrefix(src, "/uploads/") {
|
|
|
src = strings.Split(src, "?")[0]
|
|
|
hashes = append(hashes, strings.TrimSuffix(filepath.Base(src), filepath.Ext(src)))
|
|
|
}
|
|
|
})
|
|
|
}
|
|
|
|
|
|
if len(hashes) > 0 { // 更新内容ID
|
|
|
err = m.db.Model(&Attachment{}).Where("hash in (?) and type = ? and type_id = 0", hashes, AttachmentTypeArticle).Update("type_id", article.Id).Error
|
|
|
if err != nil {
|
|
|
m.logger.Error("checkArticleFile", zap.Error(err))
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
func (m *DBModel) CountArticle() (count int64, err error) {
|
|
|
err = m.db.Model(&Article{}).Count(&count).Error
|
|
|
return
|
|
|
}
|