Albirew/nyaa-pantsu
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nyaa-pantsu/model/torrent.go

192 lignes
6 Kio
Go
Brut Vue normale Historique

package model
import (
"github.com/ewhal/nyaa/config"
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"github.com/ewhal/nyaa/util"
"fmt"
"html/template"
"strconv"
"strings"
"time"
)
type Feed struct {
ID int
Name string
Hash string
Magnet string
Timestamp string
}
type Torrent struct {
ID uint `gorm:"column:torrent_id;primary_key"`
Name string `gorm:"column:torrent_name"`
Hash string `gorm:"column:torrent_hash"`
Category int `gorm:"column:category"`
SubCategory int `gorm:"column:sub_category"`
Status int `gorm:"column:status"`
Date time.Time `gorm:"column:date"`
UploaderID uint `gorm:"column:uploader"`
Downloads int `gorm:"column:downloads"`
Stardom int `gorm:"column:stardom"`
Filesize int64 `gorm:"column:filesize"`
Description string `gorm:"column:description"`
WebsiteLink string `gorm:"column:website_link"`
DeletedAt *time.Time
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Uploader *User `gorm:"ForeignKey:UploaderId"`
OldUploader string `gorm:"-"` // ???????
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OldComments []OldComment `gorm:"ForeignKey:torrent_id"`
Comments []Comment `gorm:"ForeignKey:torrent_id"`
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}
// Returns the total size of memory recursively allocated for this struct
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// FIXME: doesn't go have sizeof or something nicer for this?
func (t Torrent) Size() (s int) {
s += 8 + // ints
2*3 + // time.Time
2 + // pointers
4*2 + // string pointers
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// string array sizes
len(t.Name) + len(t.Hash) + len(t.Description) + len(t.WebsiteLink) +
2*2 // array pointers
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s *= 8 // Assume 64 bit OS
if t.Uploader != nil {
s += t.Uploader.Size()
}
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for _, c := range t.OldComments {
s += c.Size()
}
for _, c := range t.Comments {
s += c.Size()
}
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return
}
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// TODO Add field to specify kind of reports
// TODO Add CreatedAt field
// INFO User can be null (anonymous reports)
// FIXME can't preload field Torrents for model.TorrentReport
type TorrentReport struct {
ID uint `gorm:"column:torrent_report_id;primary_key"`
Description string `gorm:"column:type"`
TorrentID uint
UserID uint
Torrent Torrent `gorm:"AssociationForeignKey:TorrentID;ForeignKey:ID"`
User User `gorm:"AssociationForeignKey:UserID;ForeignKey:ID"`
}
/* We need a JSON object instead of a Gorm structure because magnet URLs are
not in the database and have to be generated dynamically */
type ApiResultJSON struct {
Torrents []TorrentJSON `json:"torrents"`
QueryRecordCount int `json:"queryRecordCount"`
TotalRecordCount int `json:"totalRecordCount"`
}
type CommentJSON struct {
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Username string `json:"username"`
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Content template.HTML `json:"content"`
Date time.Time `json:"date"`
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}
type TorrentJSON struct {
ID string `json:"id"`
Name string `json:"name"`
Status int `json:"status"`
Hash string `json:"hash"`
Date string `json:"date"`
Filesize string `json:"filesize"`
Description template.HTML `json:"description"`
Comments []CommentJSON `json:"comments"`
SubCategory string `json:"sub_category"`
Category string `json:"category"`
Downloads int `json:"downloads"`
UploaderID uint `json:"uploader_id"`
UploaderName template.HTML `json:"uploader_name"`
OldUploader template.HTML `json:"uploader_old"`
WebsiteLink template.URL `json:"website_link"`
Magnet template.URL `json:"magnet"`
TorrentLink template.URL `json:"torrent"`
}
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type TorrentReportJson struct {
ID uint `json:"id"`
Description string `json:"description"`
Torrent TorrentJSON `json:"torrent"`
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User string
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}
/* Model Conversion to Json */
func (report *TorrentReport) ToJson() TorrentReportJson {
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json := TorrentReportJson{report.ID, report.Description, report.Torrent.ToJSON(), report.User.Username}
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return json
}
// ToJSON converts a model.Torrent to its equivalent JSON structure
func (t *Torrent) ToJSON() TorrentJSON {
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magnet := util.InfoHashToMagnet(strings.TrimSpace(t.Hash), t.Name, config.Trackers...)
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, Content: template.HTML(c.Content), Date: c.Date})
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}
for _, c := range t.Comments {
commentsJSON = append(commentsJSON, CommentJSON{Username: c.User.Username, Content: util.MarkdownToHTML(c.Content), Date: c.CreatedAt})
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}
uploader := ""
if t.Uploader != nil {
uploader = t.Uploader.Username
}
torrentlink := ""
if t.ID <= config.LastOldTorrentID && len(config.TorrentCacheLink) > 0 {
torrentlink = fmt.Sprintf(config.TorrentCacheLink, t.Hash)
} else if t.ID > config.LastOldTorrentID && len(config.TorrentStorageLink) > 0 {
torrentlink = fmt.Sprintf(config.TorrentStorageLink, t.Hash) // TODO: Fix as part of configuration changes
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}
res := TorrentJSON{
ID: strconv.FormatUint(uint64(t.ID), 10),
Name: t.Name,
Status: t.Status,
Hash: t.Hash,
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Date: t.Date.Format(time.RFC3339),
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Filesize: util.FormatFilesize2(t.Filesize),
Description: util.MarkdownToHTML(t.Description),
Comments: commentsJSON,
SubCategory: strconv.Itoa(t.SubCategory),
Category: strconv.Itoa(t.Category),
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Downloads: t.Downloads,
UploaderID: t.UploaderID,
UploaderName: util.SafeText(uploader),
OldUploader: util.SafeText(t.OldUploader),
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WebsiteLink: util.Safe(t.WebsiteLink),
Magnet: util.Safe(magnet),
TorrentLink: util.Safe(torrentlink)}
return res
}
/* Complete the functions when necessary... */
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// Map Torrents to TorrentsToJSON without reallocations
func TorrentsToJSON(t []Torrent) []TorrentJSON { // TODO: Convert to singular version
json := make([]TorrentJSON, len(t))
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for i := range t {
json[i] = t[i].ToJSON()
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}
return json
}
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func TorrentReportsToJSON(reports []TorrentReport) []TorrentReportJson {
json := make([]TorrentReportJson, len(reports))
for i := range reports {
json[i] = reports[i].ToJson()
}
return json
}