442 lignes
14 Kio
Go
442 lignes
14 Kio
Go
package models
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import (
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"context"
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"errors"
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"fmt"
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"html/template"
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"path/filepath"
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"reflect"
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"strconv"
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"strings"
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"time"
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elastic "gopkg.in/olivere/elastic.v5"
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"net/http"
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"net/url"
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"github.com/NyaaPantsu/nyaa/config"
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"github.com/NyaaPantsu/nyaa/utils/cache"
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"github.com/NyaaPantsu/nyaa/utils/format"
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"github.com/NyaaPantsu/nyaa/utils/log"
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"github.com/NyaaPantsu/nyaa/utils/sanitize"
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"github.com/bradfitz/slice"
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"github.com/fatih/structs"
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)
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const (
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// TorrentStatusNormal Int for Torrent status normal
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TorrentStatusNormal = 1
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// TorrentStatusRemake Int for Torrent status remake
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TorrentStatusRemake = 2
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// TorrentStatusTrusted Int for Torrent status trusted
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TorrentStatusTrusted = 3
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// TorrentStatusAPlus Int for Torrent status a+
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TorrentStatusAPlus = 4
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// TorrentStatusBlocked Int for Torrent status locked
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TorrentStatusBlocked = 5
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)
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// Torrent model
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type Torrent struct {
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ID uint `gorm:"column:torrent_id;primary_key"`
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Name string `gorm:"column:torrent_name"`
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Hash string `gorm:"column:torrent_hash;unique"`
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Category int `gorm:"column:category"`
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SubCategory int `gorm:"column:sub_category"`
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Status int `gorm:"column:status"`
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Hidden bool `gorm:"column:hidden"`
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Date time.Time `gorm:"column:date"`
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UploaderID uint `gorm:"column:uploader"`
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Stardom int `gorm:"column:stardom"`
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Filesize int64 `gorm:"column:filesize"`
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Description string `gorm:"column:description"`
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WebsiteLink string `gorm:"column:website_link"`
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DbID string `gorm:"column:db_id"`
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Trackers string `gorm:"column:trackers"`
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// Indicates the language of the torrent's content (eg. subs, dubs, raws, manga TLs)
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Language string `gorm:"column:language"`
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DeletedAt *time.Time
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Uploader *User `gorm:"AssociationForeignKey:UploaderID;ForeignKey:user_id"`
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OldUploader string `gorm:"-"` // ???????
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OldComments []OldComment `gorm:"ForeignKey:torrent_id"`
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Comments []Comment `gorm:"ForeignKey:torrent_id"`
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Tags []Tag `gorm:"-"`
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Scrape *Scrape `gorm:"AssociationForeignKey:ID;ForeignKey:torrent_id"`
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FileList []File `gorm:"ForeignKey:torrent_id"`
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Languages []string `gorm:"-"` // This is parsed when retrieved from db
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}
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/* We need a JSON object instead of a Gorm structure because magnet URLs are
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not in the database and have to be generated dynamically */
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// TorrentJSON for torrent model in json for api
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type TorrentJSON struct {
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ID uint `json:"id"`
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Name string `json:"name"`
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Status int `json:"status"`
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Hidden bool `json:"-"`
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Hash string `json:"hash"`
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Date string `json:"date"`
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Filesize int64 `json:"filesize"`
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Description template.HTML `json:"description"`
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Comments []CommentJSON `json:"comments"`
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SubCategory string `json:"sub_category"`
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Category string `json:"category"`
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DbID string `json:"db_id"`
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UploaderID uint `json:"uploader_id"`
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UploaderName template.HTML `json:"uploader_name"`
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OldUploader template.HTML `json:"uploader_old"`
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WebsiteLink template.URL `json:"website_link"`
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Languages []string `json:"languages"`
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Magnet template.URL `json:"magnet"`
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TorrentLink template.URL `json:"torrent"`
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Seeders uint32 `json:"seeders"`
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Leechers uint32 `json:"leechers"`
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Completed uint32 `json:"completed"`
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LastScrape time.Time `json:"last_scrape"`
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FileList []FileJSON `json:"file_list"`
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Tags []Tag `json:"-"` // not needed in json to reduce db calls
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}
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// Size : Returns the total size of memory recursively allocated for this struct
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// FIXME: Is it deprecated?
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func (t Torrent) Size() (s int) {
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s = int(reflect.TypeOf(t).Size())
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return
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}
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// TableName : Return the table name of torrents table
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func (t Torrent) TableName() string {
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return config.Get().Models.TorrentsTableName
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}
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// Identifier : Return the identifier of a torrent
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func (t *Torrent) Identifier() string {
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return fmt.Sprintf("torrent_%d", t.ID)
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}
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// IsNormal : Return if a torrent status is normal
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func (t *Torrent) IsNormal() bool {
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return t.Status == TorrentStatusNormal
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}
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// IsRemake : Return if a torrent status is remake
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func (t *Torrent) IsRemake() bool {
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return t.Status == TorrentStatusRemake
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}
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// IsTrusted : Return if a torrent status is trusted
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func (t *Torrent) IsTrusted() bool {
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return t.Status == TorrentStatusTrusted
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}
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// IsAPlus : Return if a torrent status is a+
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func (t *Torrent) IsAPlus() bool {
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return t.Status == TorrentStatusAPlus
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}
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// IsBlocked : Return if a torrent status is locked
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func (t *Torrent) IsBlocked() bool {
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return t.Status == TorrentStatusBlocked
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}
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// IsDeleted : Return if a torrent status is deleted
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func (t *Torrent) IsDeleted() bool {
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return t.DeletedAt != nil
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}
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// AddToESIndex : Adds a torrent to Elastic Search
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func (t Torrent) AddToESIndex(client *elastic.Client) error {
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ctx := context.Background()
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torrentJSON := t.ToJSON()
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_, err := client.Index().
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Index(config.Get().Search.ElasticsearchIndex).
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Type(config.Get().Search.ElasticsearchType).
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Id(strconv.FormatUint(uint64(torrentJSON.ID), 10)).
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BodyJson(torrentJSON).
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Refresh("true").
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Do(ctx)
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return err
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}
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// DeleteFromESIndex : Removes a torrent from Elastic Search
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func (t *Torrent) DeleteFromESIndex(client *elastic.Client) error {
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ctx := context.Background()
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_, err := client.Delete().
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Index(config.Get().Search.ElasticsearchIndex).
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Type(config.Get().Search.ElasticsearchType).
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Id(strconv.FormatInt(int64(t.ID), 10)).
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Do(ctx)
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return err
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}
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// ParseTrackers : Takes an array of trackers, adds needed trackers and parse it to url string
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func (t *Torrent) ParseTrackers(trackers []string) {
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v := url.Values{}
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if len(config.Get().Torrents.Trackers.NeededTrackers) > 0 { // if we have some needed trackers configured
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if len(trackers) == 0 {
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trackers = config.Get().Torrents.Trackers.Default
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} else {
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for _, id := range config.Get().Torrents.Trackers.NeededTrackers {
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found := false
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for _, tracker := range trackers {
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if tracker == config.Get().Torrents.Trackers.Default[id] {
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found = true
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break
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}
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}
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if !found {
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trackers = append(trackers, config.Get().Torrents.Trackers.Default[id])
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}
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}
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}
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}
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v["tr"] = trackers
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t.Trackers = v.Encode()
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}
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func (t *Torrent) ParseLanguages() {
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t.Languages = strings.Split(t.Language, ",")
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}
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func (t *Torrent) EncodeLanguages() {
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t.Language = strings.Join(t.Languages, ",")
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}
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// GetTrackersArray : Convert trackers string to Array
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func (t *Torrent) GetTrackersArray() (trackers []string) {
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v, _ := url.ParseQuery(t.Trackers)
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trackers = v["tr"]
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return
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}
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// ToTorrent :
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// TODO: Need to get rid of TorrentJSON altogether and have only one true Torrent
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// model
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func (t *TorrentJSON) ToTorrent() Torrent {
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category, err := strconv.ParseInt(t.Category, 10, 64)
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if err != nil {
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category = 0
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}
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subCategory, err := strconv.ParseInt(t.SubCategory, 10, 64)
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if err != nil {
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subCategory = 0
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}
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// Need to add +00:00 at the end because ES doesn't store it by default
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dateFixed := t.Date
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if len(dateFixed) > 6 && dateFixed[len(dateFixed)-6] != '+' {
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dateFixed += "Z"
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}
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date, err := time.Parse(time.RFC3339, dateFixed)
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if err != nil {
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log.Errorf("Problem parsing date '%s' from ES: %s", dateFixed, err)
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}
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torrent := Torrent{
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ID: t.ID,
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Name: t.Name,
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Hash: t.Hash,
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Category: int(category),
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SubCategory: int(subCategory),
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Status: t.Status,
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Date: date,
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UploaderID: t.UploaderID,
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//Stardom: t.Stardom,
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Filesize: t.Filesize,
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Description: string(t.Description),
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Hidden: t.Hidden,
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//WebsiteLink: t.WebsiteLink,
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//Trackers: t.Trackers,
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//DeletedAt: t.DeletedAt,
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// Uploader: TODO
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//OldUploader: t.OldUploader,
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//OldComments: TODO
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// Comments: TODO
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// LastScrape not stored in ES, counts won't show without a value however
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Scrape: &Scrape{Seeders: t.Seeders, Leechers: t.Leechers, Completed: t.Completed, LastScrape: time.Now()},
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Languages: t.Languages,
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//FileList: TODO
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}
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torrent.EncodeLanguages()
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return torrent
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}
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// ToJSON converts a models.Torrent to its equivalent JSON structure
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func (t *Torrent) ToJSON() TorrentJSON {
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var trackers []string
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if t.Trackers == "" {
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trackers = config.Get().Torrents.Trackers.Default
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} else {
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trackers = t.GetTrackersArray()
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}
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magnet := format.InfoHashToMagnet(strings.TrimSpace(t.Hash), t.Name, trackers...)
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commentsJSON := make([]CommentJSON, 0, len(t.OldComments)+len(t.Comments))
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for _, c := range t.OldComments {
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commentsJSON = append(commentsJSON, CommentJSON{Username: c.Username, UserID: -1, Content: template.HTML(c.Content), Date: c.Date.UTC()})
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}
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for _, c := range t.Comments {
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if c.User != nil {
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commentsJSON = append(commentsJSON, CommentJSON{Username: c.User.Username, UserID: int(c.User.ID), Content: sanitize.MarkdownToHTML(c.Content), Date: c.CreatedAt.UTC(), UserAvatar: c.User.MD5})
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} else {
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commentsJSON = append(commentsJSON, CommentJSON{})
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}
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}
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// Sort comments by date
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slice.Sort(commentsJSON, func(i, j int) bool {
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return commentsJSON[i].Date.Before(commentsJSON[j].Date)
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})
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fileListJSON := make([]FileJSON, 0, len(t.FileList))
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for _, f := range t.FileList {
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fileListJSON = append(fileListJSON, FileJSON{
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Path: filepath.Join(f.Path()...),
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Filesize: f.Filesize,
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})
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}
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// Sort file list by lowercase filename
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slice.Sort(fileListJSON, func(i, j int) bool {
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return strings.ToLower(fileListJSON[i].Path) < strings.ToLower(fileListJSON[j].Path)
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})
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uploader := "れんちょん" // by default
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var uploaderID uint
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if t.UploaderID > 0 && t.Uploader != nil {
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uploader = t.Uploader.Username
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uploaderID = t.UploaderID
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} else if t.OldUploader != "" {
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uploader = t.OldUploader
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}
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torrentlink := ""
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if t.ID <= config.Get().Models.LastOldTorrentID && len(config.Get().Torrents.CacheLink) > 0 {
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if config.IsSukebei() {
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torrentlink = "" // torrent cache doesn't have sukebei torrents
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} else {
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torrentlink = fmt.Sprintf(config.Get().Torrents.CacheLink, t.Hash)
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}
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} else if t.ID > config.Get().Models.LastOldTorrentID && len(config.Get().Torrents.StorageLink) > 0 {
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torrentlink = fmt.Sprintf(config.Get().Torrents.StorageLink, t.Hash)
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}
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scrape := Scrape{}
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if t.Scrape != nil {
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scrape = *t.Scrape
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}
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t.ParseLanguages()
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res := TorrentJSON{
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ID: t.ID,
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Name: t.Name,
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Status: t.Status,
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Hidden: t.Hidden,
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Hash: t.Hash,
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Date: t.Date.Format(time.RFC3339),
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Filesize: t.Filesize,
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Description: sanitize.MarkdownToHTML(t.Description),
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Comments: commentsJSON,
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SubCategory: strconv.Itoa(t.SubCategory),
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Category: strconv.Itoa(t.Category),
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UploaderID: uploaderID,
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UploaderName: sanitize.SafeText(uploader),
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WebsiteLink: sanitize.Safe(t.WebsiteLink),
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Languages: t.Languages,
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Magnet: template.URL(magnet),
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TorrentLink: sanitize.Safe(torrentlink),
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Leechers: scrape.Leechers,
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Seeders: scrape.Seeders,
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Completed: scrape.Completed,
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LastScrape: scrape.LastScrape,
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FileList: fileListJSON,
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Tags: t.Tags,
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}
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return res
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}
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/* Complete the functions when necessary... */
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// TorrentsToJSON : Map Torrents to TorrentsToJSON without reallocations
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func TorrentsToJSON(t []Torrent) []TorrentJSON {
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json := make([]TorrentJSON, len(t))
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for i := range t {
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json[i] = t[i].ToJSON()
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}
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return json
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}
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// Update : Update a torrent based on model
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func (t *Torrent) Update(unscope bool) (int, error) {
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db := ORM
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if unscope {
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db = ORM.Unscoped()
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}
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t.EncodeLanguages() // Need to transform array into single string
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if db.Model(t).UpdateColumn(t.toMap()).Error != nil {
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return http.StatusInternalServerError, errors.New("Torrent was not updated")
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}
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// TODO Don't create a new client for each request
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if ElasticSearchClient != nil {
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err := t.AddToESIndex(ElasticSearchClient)
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if err == nil {
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log.Infof("Successfully updated torrent to ES index.")
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} else {
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log.Errorf("Unable to update torrent to ES index: %s", err)
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}
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}
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// We only flush cache after update
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cache.C.Delete(t.Identifier())
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return http.StatusOK, nil
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}
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// UpdateUnscope : Update a torrent based on model
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func (t *Torrent) UpdateUnscope() (int, error) {
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return t.Update(true)
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}
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// Delete : delete a torrent based on id
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func (t *Torrent) Delete(definitely bool) (*Torrent, int, error) {
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db := ORM
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if definitely {
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db = ORM.Unscoped()
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}
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if db.Delete(t).Error != nil {
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return t, http.StatusInternalServerError, errors.New("torrent_not_deleted")
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}
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if ElasticSearchClient != nil {
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err := t.DeleteFromESIndex(ElasticSearchClient)
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if err == nil {
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log.Infof("Successfully deleted torrent to ES index.")
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} else {
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log.Errorf("Unable to delete torrent to ES index: %s", err)
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}
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}
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// We flush cache only after delete
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cache.C.Flush()
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return t, http.StatusOK, nil
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}
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// DefinitelyDelete : deletes definitely a torrent based on id
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func (t *Torrent) DefinitelyDelete() (*Torrent, int, error) {
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return t.Delete(true)
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}
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// toMap : convert the model to a map of interface
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func (t *Torrent) toMap() map[string]interface{} {
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return structs.Map(t)
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}
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// LoadTags : load all the unique tags with summed up weight from the database in torrent
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func (t *Torrent) LoadTags() {
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// Only load if necessary
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if len(t.Tags) == 0 {
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// Should output a query like this: SELECT tag, type, accepted, SUM(weight) as total FROM tags WHERE torrent_id=923000 GROUP BY type, tag ORDER BY type, total DESC
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err := ORM.Select("tag, type, accepted, SUM(weight) as total").Where("torrent_id = ?", t.ID).Group("type, tag").Order("type ASC, total DESC").Find(&t.Tags).Error
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log.CheckErrorWithMessage(err, "LOAD_TAGS_ERROR: Couldn't load tags!")
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}
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}
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