mirror of
https://github.com/ProudMuBai/GoFilm.git
synced 2026-04-14 19:27:31 +08:00
521 lines
19 KiB
Go
521 lines
19 KiB
Go
package system
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import (
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"database/sql/driver"
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"encoding/json"
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"errors"
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"fmt"
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"hash/fnv"
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"log"
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"regexp"
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"server/config"
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"server/plugin/common/util"
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"server/plugin/db"
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"strconv"
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"strings"
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"time"
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"gorm.io/gorm"
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)
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// Movie 影片基本信息
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type Movie struct {
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Id int64 `json:"id"` // 影片ID
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Name string `json:"name"` // 影片名
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Cid int64 `json:"cid"` // 所属分类ID
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CName string `json:"CName"` // 所属分类名称
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EnName string `json:"enName"` // 英文片名
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Time string `json:"time"` // 更新时间
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Remarks string `json:"remarks"` // 备注 | 清晰度
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PlayFrom string `json:"playFrom"` // 播放来源
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}
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// MovieBasicInfo 影片基本信息
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type MovieBasicInfo struct {
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Id int64 `json:"id"` //影片Id
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Cid int64 `json:"cid"` //分类ID
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Pid int64 `json:"pid"` //一级分类ID
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Name string `json:"name"` //片名
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SubTitle string `json:"subTitle"` //子标题
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CName string `json:"cName"` //分类名称
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State string `json:"state"` //影片状态 正片|预告...
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Picture string `json:"picture"` //简介图片
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Actor string `json:"actor"` //主演
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Director string `json:"director"` //导演
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Blurb string `json:"blurb"` //简介, 不完整
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Remarks string `json:"remarks"` // 更新情况
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Area string `json:"area"` // 地区
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Year string `json:"year"` //年份
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}
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// PlayItem 影视资源url信息
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type PlayItem struct {
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Episode string `json:"episode"` // 集数
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Link string `json:"link"` // 播放地址
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}
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// MoviePlayList 播放列表信息, 二维切片
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type MoviePlayList [][]PlayItem
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// FromList 播放来源切片
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type FromList []string
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// MovieDetail 影片详情信息
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type MovieDetail struct {
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Id int64 `json:"id" gorm:"primaryKey"` //影片Id
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Mid int64 `json:"mid"` //影片Id
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Cid int64 `json:"cid"` //分类ID
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Pid int64 `json:"pid"` //一级分类ID
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Name string `json:"name"` //片名
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Picture string `json:"picture"` //简介图片
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SubTitle string `json:"subTitle"` //子标题
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CName string `json:"cName"` //分类名称
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EnName string `json:"enName"` //英文名
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Initial string `json:"initial"` //首字母
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ClassTag string `json:"classTag"` //分类标签
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Actor string `json:"actor"` //主演
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Director string `json:"director"` //导演
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Writer string `json:"writer"` //作者
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Blurb string `json:"blurb"` //简介, 残缺,不建议使用
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Remarks string `json:"remarks"` // 更新情况
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ReleaseDate string `json:"releaseDate"` //上映时间
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Area string `json:"area"` // 地区
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Language string `json:"language"` //语言
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Year string `json:"year"` //年份
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State string `json:"state"` //影片状态 正片|预告...
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UpdateTime string `json:"updateTime"` //更新时间
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AddTime int64 `json:"addTime"` //资源添加时间戳
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DbId int64 `json:"dbId"` //豆瓣id
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DbScore string `json:"dbScore"` // 豆瓣评分
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Hits int64 `json:"hits"` //影片热度
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Content string `json:"content"` //内容简介
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PlayFrom FromList `json:"playFrom" gorm:"type:json"` // 播放来源
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DownFrom string `json:"DownFrom"` //下载来源 例: http
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//PlaySeparator string `json:"playSeparator"` // 播放信息分隔符
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PlayList MoviePlayList `json:"playList" gorm:"type:json"` //播放地址url
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DownloadList MoviePlayList `json:"downloadList" gorm:"type:json"` // 下载url地址
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}
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type SlaveMovieInfo struct {
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Id int64 `json:"id" gorm:"primaryKey"` // 自增ID
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Sid string `json:"sid"` // 采集站标识ID
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//Name string `json:"name"` // 影片名称
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Mid string `json:"mid"` // 归一匹配ID
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DbId int64 `json:"dbId"` //豆瓣ID 可能为空
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PlayList MoviePlayList `json:"playList" gorm:"type:json"`
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}
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// TableName 设置MovieDetail表的表名
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func (m *MovieDetail) TableName() string {
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return config.MovieDetailName
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}
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// TableName 设置slaveMovieInfo 表名
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func (m *SlaveMovieInfo) TableName() string {
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return config.SlaveMovieInfo
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}
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// CreateMovieDetailTable 创建存储检索信息的数据表
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func CreateMovieDetailTable() {
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// 如果不存在则创建表 并设置自增ID初始值为10000
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if !ExistMovieDetailTable() {
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err := db.Mdb.AutoMigrate(&MovieDetail{})
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if err != nil {
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log.Println("Create Table MovieDetailsTable Failed: ", err)
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}
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}
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}
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// ExistMovieDetailTable 检测是否存在 MovieDetails表
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func ExistMovieDetailTable() bool {
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return db.Mdb.Migrator().HasTable(&MovieDetail{})
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}
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// CreateSlaveMovieInfoTable 创建存储检索信息的数据表
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func CreateSlaveMovieInfoTable() {
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// 如果不存在则创建表 并设置自增ID初始值为10000
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if !ExistSlaveMovieInfoTable() {
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err := db.Mdb.AutoMigrate(&SlaveMovieInfo{})
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if err != nil {
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log.Println("Create Table SlaveMovieInfoTable Failed: ", err)
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}
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}
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}
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// ExistSlaveMovieInfoTable 检测是否存在 MovieDetails表
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func ExistSlaveMovieInfoTable() bool {
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return db.Mdb.Migrator().HasTable(&SlaveMovieInfo{})
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}
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// =================================== column序列化 接口========================================================
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func (m *MoviePlayList) Scan(value interface{}) error {
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if value == nil {
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*m = nil
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return nil
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}
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b, ok := value.([]byte)
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if !ok {
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return errors.New("MoviePlayList serialization failed, value is not []byte")
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}
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return json.Unmarshal(b, m)
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}
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func (m MoviePlayList) Value() (driver.Value, error) {
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if m == nil {
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return nil, nil
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}
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return json.Marshal(m)
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}
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func (fl *FromList) Scan(value interface{}) error {
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if value == nil {
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*fl = nil
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return nil
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}
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b, ok := value.([]byte)
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if !ok {
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return errors.New("FromList serialization failed, value is not []byte")
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}
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return json.Unmarshal(b, fl)
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}
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func (fl FromList) Value() (driver.Value, error) {
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if fl == nil {
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return nil, nil
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}
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return json.Marshal(fl)
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}
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// =================================== Spider数据处理 ========================================================
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// SaveDetails 保存影片详情信息到redis中 格式: MovieDetail:Cid?:Id?
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func SaveDetails(ml []MovieDetail) (err error) {
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// 1. 先将详情信息存入 MovieDetail表中
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if err = db.Mdb.Create(&ml).Error; err != nil {
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log.Println("影片详情信息保存失败: ", err)
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}
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// 2. 将详情信息转化为SearchInfo并保存
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BatchSaveSearchInfo(ml)
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return err
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}
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// SaveDetail 保存单部影片信息
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func SaveDetail(m MovieDetail) (err error) {
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// 1. 转换 detail信息 searchInfo
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searchInfo := ConvertSearchInfo(m)
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// 2. 保存 Search tag 到 redis中 只存储用于检索对应影片的关键字信息
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SaveSearchTag(searchInfo)
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// 3. 将影片详情信息保存到 MovieDetails表中
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// 4. 先查询数据库中是否存在对应记录 ,如果不存在对应记录则 保存当前记录
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tx := db.Mdb.Begin()
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if !ExistMovieDetailByMid(m.Mid) {
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// 执行插入操作
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if err := tx.Create(&m).Error; err != nil {
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tx.Rollback()
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return err
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}
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} else {
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// 只对会变化的字段进行更新
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err := tx.Model(&MovieDetail{}).Where("mid", m.Mid).Updates(MovieDetail{PlayList: m.PlayList, DownloadList: m.DownloadList,
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Remarks: m.Remarks, State: m.State, UpdateTime: m.UpdateTime, AddTime: m.AddTime, DbScore: m.DbScore, Hits: m.Hits}).Error
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if err != nil {
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tx.Rollback()
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return err
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}
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}
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// 提交事务
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tx.Commit()
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// 保存影片检索信息到searchTable
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err = SaveSearchInfo(searchInfo)
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return err
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}
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// ExistMovieDetailByMid 通过mid判断是否存在对应信息
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func ExistMovieDetailByMid(mid int64) bool {
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var count int64
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db.Mdb.Model(&SearchInfo{}).Where("mid", mid).Count(&count)
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return count > 0
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}
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// SaveSitePlayList 仅保存播放url列表信息到当前站点
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func SaveSitePlayList(id string, ml []MovieDetail) (err error) {
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// 如果ml 为空则直接返回
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if len(ml) <= 0 {
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return nil
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}
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var sl []SlaveMovieInfo
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for _, m := range ml {
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s := SlaveMovieInfo{Sid: id, Mid: GenerateHashKey(m.Name), DbId: m.DbId, PlayList: m.PlayList}
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// 查询表中是否已经存在对应的数据记录, 如果有则更新, 无则追加到切片中统一处理
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if id := ExistSlaveMovieInfo(s); id <= 0 {
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if err = db.Mdb.Model(&s).Where("id", id).Updates(s).Error; err != nil {
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log.Println("附属站点影片信息更新失败: ", err)
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}
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continue
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}
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sl = append(sl, s)
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}
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// 将处理后的结果存储到 SalveMovieInfo表中
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if err = db.Mdb.Create(&sl).Error; err != nil {
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log.Println("附属站点影片信息保存失败: ", err)
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}
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return
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}
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// ExistSlaveMovieInfo 查询对应记录, 如果存在则返还id, 不存在则返还 -1
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func ExistSlaveMovieInfo(s SlaveMovieInfo) int64 {
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var id int64
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if err := db.Mdb.Model(&SlaveMovieInfo{}).Select("id").Where("sid = ? AND (mid = ? OR db_id = ?)", s.Sid, s.Mid, s.DbId).First(&id).Error; err != nil {
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// 如果错误类型为gorm.ErrRecordNotFound, 直接返回 0
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return 0
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}
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// 如果是其他异常则输出异常信息并返回 -1
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log.Println("Find SlaveMovieInfo Failed: ", err)
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return -1
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}
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return id
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}
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// ============================ APi接口 ==================================================
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// GetDetailByMid 获取影片对应的详情信息
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func GetDetailByMid(mid int64) MovieDetail {
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var d MovieDetail
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// 查询mid对应的影片详情信息, 只查询部分字段
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if err := db.Mdb.Model(&MovieDetail{}).Where("mid = ?", mid).First(&d).Error; err != nil {
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log.Println("Find MovieDetail Failed: ", err)
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return d
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}
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// 执行本地图片匹配
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ReplaceDetailPic(&d)
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return d
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}
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// GetBasicInfoByMid 获取Id对应的影片基本信息
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func GetBasicInfoByMid(mid int64) MovieBasicInfo {
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// 通过id查询满足条件的影片基本信息
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var basic MovieBasicInfo
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var d MovieDetail
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// 查询mid对应的影片详情信息, 只查询部分字段
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if err := db.Mdb.Model(&MovieDetail{}).Select("id, mid, cid, pid, name, sub_title, c_name, state, picture, actor, director,"+
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" content, remarks, area, year").Where("mid = ?", mid).First(&d).Error; err != nil {
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log.Println("Find MovieDetail Failed: ", err)
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return basic
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}
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// 匹配本地图片
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ReplaceDetailPic(&d)
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// 将 MovieDetail转化为 BasicInfo
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basic = ConvertBasicInfo(d)
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return basic
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}
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// GetBasicInfoByIds 通过searchInfo 获取影片的基本信息
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func GetBasicInfoByIds(ids []int64) []MovieBasicInfo {
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var ml []MovieDetail
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var l []MovieBasicInfo
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// 使用in查询, 一次性拿到满足条件的数据
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if err := db.Mdb.Model(&MovieDetail{}).Select("id, mid, cid, pid, name, sub_title, c_name, state, picture, actor, director,"+
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" content, remarks, area, year").Where("mid IN (?)", ids).Find(&ml).Error; err != nil {
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log.Println("BatchFind BasicInfo Failed: ", err)
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return nil
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}
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// 将查询到的结果批量转化为BasicInfo
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for _, m := range ml {
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// 执行本地图片匹配
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ReplaceDetailPic(&m)
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l = append(l, ConvertBasicInfo(m))
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}
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return l
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}
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// GetMovieListByPid 通过Pid 分类ID 获取对应影片的数据信息
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func GetMovieListByPid(pid int64, page *Page) []MovieBasicInfo {
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// 返回分页参数
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var count int64
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db.Mdb.Model(&SearchInfo{}).Where("pid", pid).Count(&count)
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page.Total = int(count)
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page.PageCount = int((page.Total + page.PageSize - 1) / page.PageSize)
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// 通过Search表查询
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var ids []int64
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if err := db.Mdb.Limit(page.PageSize).Offset((page.Current-1)*page.PageSize).Select("mid").Where("pid", pid).Order("update_stamp DESC").Find(&ids).Error; err != nil {
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log.Println(err)
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return nil
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}
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// 通过ids查询影片基本信息并返回
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return GetBasicInfoByIds(ids)
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}
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// GetMovieListByCid 通过Cid查找对应的影片分页数据, 不适合GetMovieListByPid 糅合
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func GetMovieListByCid(cid int64, page *Page) []MovieBasicInfo {
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// 返回分页参数
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var count int64
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db.Mdb.Model(&SearchInfo{}).Where("cid", cid).Count(&count)
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page.Total = int(count)
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page.PageCount = int((page.Total + page.PageSize - 1) / page.PageSize)
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// 进行具体的信息查询
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var ids []int64
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if err := db.Mdb.Limit(page.PageSize).Offset((page.Current-1)*page.PageSize).Select("mid").Where("cid", cid).Order("update_stamp DESC").Find(&ids).Error; err != nil {
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log.Println(err)
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return nil
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}
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// 通过影片ID去redis中获取id对应数据信息
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return GetBasicInfoByIds(ids)
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}
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// GetRelateMovieBasicInfo GetRelateMovie 根据 name, cid, pid, classtag 获取相关影片
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func GetRelateMovieBasicInfo(search SearchInfo, page *Page) []MovieBasicInfo {
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/*
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根据当前影片信息匹配相关的影片
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1. 分类Cid,
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2. 如果影片名称含有第x季 则根据影片名进行模糊匹配
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3. class_tag 剧情内容匹配, 切分后使用 or 进行匹配
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4. area 地区
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5. 语言 Language
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*/
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// sql 拼接查询条件
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sql := ""
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// 优先进行名称相似匹配, 先对影片名称进行精简, 只保留主体用于匹配同系列影片
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name := util.CleanFilmName(search.Name)
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sql = fmt.Sprintf(`select mid from %s where (name LIKE "%%%s%%" or sub_title LIKE "%%%[2]s%%") AND cid=%d AND search.deleted_at IS NULL union`, search.TableName(), name, search.Cid)
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// 添加其他相似匹配规则 同属二级分类
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sql = fmt.Sprintf(`%s (select * from %s where cid=%d AND `, sql, search.TableName(), search.Cid)
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// 根据剧情标签查找相似影片, classTag 使用的分隔符为 , | /首先去除 classTag 中包含的所有空格
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search.ClassTag = strings.ReplaceAll(search.ClassTag, " ", "")
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// 如果 classTag 中包含分割符则进行拆分匹配
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cl := strings.Split(util.FormatSpecialChar(search.ClassTag), ",")
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if len(cl) > 0 {
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s := "("
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for _, c := range cl {
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s = fmt.Sprintf(`%s class_tag like "%%%s%%" OR`, s, c)
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}
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sql = fmt.Sprintf("%s %s)", sql, strings.TrimSuffix(s, "OR"))
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} else {
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sql = fmt.Sprintf(`%s class_tag like "%%%s%%"`, sql, search.ClassTag)
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}
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// 除名称外的相似影片使用随机排序
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//sql = fmt.Sprintf("%s ORDER BY RAND() limit %d,%d)", sql, page.Current, page.PageSize)
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sql = fmt.Sprintf("%s AND search.deleted_at IS NULL limit %d,%d)", sql, page.Current, page.PageSize)
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// 条件拼接完成后加上limit参数
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sql = fmt.Sprintf("(%s) limit %d,%d", sql, page.Current, page.PageSize)
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// 执行sql, 获取满足条件的影片mid切片
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var ids []int64
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db.Mdb.Raw(sql).Scan(&ids)
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// 通过 ids 获取影片基本信息,并返回
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return GetBasicInfoByIds(ids)
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}
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// GetMultiplePlay 通过影片名的ID值匹配播放源, 不区分站点
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func GetMultiplePlay(mIds []string, dbIds int64) []SlaveMovieInfo {
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// 初始化返回值
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var l []SlaveMovieInfo
|
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// 通过siteId, mIds, dbIds 检索满足条件的数据
|
||
if err := db.Mdb.Model(&SlaveMovieInfo{}).Select("play_list").Where("mid IN (?) OR db_id = ?", mIds, dbIds).Find(&l).Error; err != nil {
|
||
log.Println("GetMultiplePlay Failed: ", err)
|
||
return nil
|
||
}
|
||
|
||
return l
|
||
}
|
||
|
||
// ============================ 数据处理 ==================================================
|
||
|
||
// ConvertSearchInfo 将detail信息处理成 searchInfo
|
||
func ConvertSearchInfo(m MovieDetail) SearchInfo {
|
||
score, _ := strconv.ParseFloat(m.DbScore, 64)
|
||
stamp, _ := time.ParseInLocation(time.DateTime, m.UpdateTime, time.Local)
|
||
// detail中的年份信息并不准确, 因此采用 ReleaseDate中的年份
|
||
year, err := strconv.ParseInt(regexp.MustCompile(`[1-9][0-9]{3}`).FindString(m.ReleaseDate), 10, 64)
|
||
if err != nil {
|
||
year = 0
|
||
}
|
||
return SearchInfo{
|
||
Mid: m.Id,
|
||
Cid: m.Cid,
|
||
Pid: m.Pid,
|
||
Name: m.Name,
|
||
SubTitle: m.SubTitle,
|
||
CName: m.CName,
|
||
ClassTag: m.ClassTag,
|
||
Area: m.Area,
|
||
Language: m.Language,
|
||
Year: year,
|
||
Initial: m.Initial,
|
||
Score: score,
|
||
Hits: m.Hits,
|
||
UpdateStamp: stamp.Unix(),
|
||
State: m.State,
|
||
Remarks: m.Remarks,
|
||
// ReleaseDate 部分影片缺失该参数, 所以使用添加时间作为上映时间排序
|
||
ReleaseStamp: m.AddTime,
|
||
}
|
||
}
|
||
|
||
// ConvertBasicInfo 将Detail信息转化为basic信息
|
||
func ConvertBasicInfo(m MovieDetail) MovieBasicInfo {
|
||
return MovieBasicInfo{Id: m.Mid, Cid: m.Cid, Pid: m.Pid, Name: m.Name, SubTitle: m.SubTitle,
|
||
CName: m.CName, State: m.State, Picture: m.Picture, Actor: m.Actor, Director: m.Director, Blurb: m.Content,
|
||
Remarks: m.Remarks, Area: m.Area, Year: m.Year}
|
||
}
|
||
|
||
/*
|
||
对附属播放源入库时的name|dbID进行处理,保证唯一性
|
||
1. 去除name中的所有空格
|
||
2. 去除name中含有的别名～.*～
|
||
3. 去除name首尾的标点符号
|
||
4. 将处理完成后的name转化为hash值作为存储时的key
|
||
*/
|
||
// GenerateHashKey 存储播放源信息时对影片名称进行处理-生成id, 提高各站点间同一影片的匹配度
|
||
func GenerateHashKey[K string | ~int | int64](key K) string {
|
||
mName := fmt.Sprint(key)
|
||
//1. 去除name中的所有空格
|
||
mName = regexp.MustCompile(`\s`).ReplaceAllString(mName, "")
|
||
//2. 添加常用的名称标准化替换规则
|
||
rules := []string{
|
||
// 中文季数标签统一
|
||
"season", "s", "第", "s", "季", "", "期", "", "画", "",
|
||
// --- 3. 剧场版标准化 ---
|
||
"剧场版", "ovo", "映画", "ovo", "电影版", "ovo", "The Movie", "ovo", "Movie", "ovo", "(Movie)", "ovo", "〔映画〕", "ovo",
|
||
// 特殊数学符号 (用户常用来代替数字，如 ∬ 代表 2)
|
||
"Ⅰ", "1", "Ⅱ", "2", "Ⅲ",
|
||
"∫", "1", "∬", "2", "∮", "3", "Ⅳ", "4", "Ⅴ", "5", "Ⅵ", "6", "Ⅶ", "7", "Ⅷ", "8", "Ⅸ", "9", "Ⅹ", "10", // 用户可能用积分号代表季数
|
||
"一", "1", "二", "2", "三", "3", "四", "4", "五", "5", "六", "6", "七", "7", "八", "8", "九", "9",
|
||
// 移除或替换无意义的装饰符号，这些符号在搜索中通常不仅无用还会阻碍匹配
|
||
"★", "", "☆", "", "◆", "", "◇", "", "●", "", "○", "",
|
||
"【", "", "】", "", "〖", "", "〗", "", "〔", "", "〕", "",
|
||
"「", "", "」", "", "『", "", "』", "",
|
||
"|", "", "｜", "", // 竖线分隔符
|
||
"~", "", "～", "", // 波浪号
|
||
"...", "", "……", "", // 省略号
|
||
"!", "", "！", "", "?", "", "？", "",
|
||
"(", "", ")", "", "（", "", "）", "",
|
||
"[", "", "]", "", "［", "", "］", "",
|
||
"{", "", "}", "", "｛", "", "｝", "",
|
||
"＆", "&", "＋", "+",
|
||
"-", "", "－", "", "—", "", "–", "", // 策略：通常移除所有标点，让 "A-B" 变成 "AB"
|
||
"_", "", "＿", "",
|
||
".", "", "．", "", "。", "",
|
||
",", "", "，", "",
|
||
":", "", ":", "", ":", "",
|
||
";", "", "；", "",
|
||
"'", "", "’", "", "\"", "", "“", "", "”", "",
|
||
"`", "", "｀", "",
|
||
}
|
||
mName = strings.NewReplacer(rules...).Replace(mName)
|
||
//3. 去除name首尾的标点符号
|
||
mName = regexp.MustCompile(`^[[:punct:]]+|[[:punct:]]+$`).ReplaceAllString(mName, "")
|
||
//4. 将处理完成后的name转化为hash值作为存储时的key
|
||
h := fnv.New32a()
|
||
_, err := h.Write([]byte(mName))
|
||
if err != nil {
|
||
return ""
|
||
}
|
||
return fmt.Sprint(h.Sum32())
|
||
}
|