128 lignes
3,6 Kio
Go
128 lignes
3,6 Kio
Go
package torrentService
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import (
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"errors"
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"github.com/ewhal/nyaa/config"
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"github.com/ewhal/nyaa/db"
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"github.com/ewhal/nyaa/model"
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"github.com/ewhal/nyaa/util"
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"strings"
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"strconv"
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)
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type WhereParams struct {
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Conditions string // Ex : name LIKE ? AND category_id LIKE ?
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Params []interface{}
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}
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/* Function to interact with Models
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*
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* Get the torrents with where clause
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*
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*/
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// don't need raw SQL once we get MySQL
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func GetFeeds() []model.Feed {
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var result []model.Feed
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rows, err := db.ORM.DB().
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Query(
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"SELECT `torrent_id` AS `id`, `torrent_name` AS `name`, `torrent_hash` AS `hash`, `timestamp` FROM `torrents` " +
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"ORDER BY `timestamp` desc LIMIT 50")
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if err == nil {
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for rows.Next() {
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item := model.Feed{}
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rows.Scan(&item.Id, &item.Name, &item.Hash, &item.Timestamp)
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magnet := util.InfoHashToMagnet(strings.TrimSpace(item.Hash), item.Name, config.Trackers...)
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item.Magnet = magnet
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// memory hog
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result = append(result, item)
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}
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rows.Close()
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}
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return result
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}
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func GetTorrentById(id string) (model.Torrents, error) {
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var torrent model.Torrents
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if db.ORM.Where("torrent_id = ?", id).Preload("Comments").Find(&torrent).RecordNotFound() {
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return torrent, errors.New("Article is not found.")
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}
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return torrent, nil
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}
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func GetTorrentsOrderBy(parameters *WhereParams, orderBy string, limit int, offset int) ([]model.Torrents, int) {
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var torrents []model.Torrents
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var count int
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conditions := "torrent_hash IS NOT NULL" // filter out broken entries
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if strings.HasPrefix(orderBy, "filesize") {
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// torrents w/ NULL filesize fuck up the sorting on postgres
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// TODO: fix this properly
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conditions += " AND filesize IS NOT NULL"
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}
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var params []interface{}
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if parameters != nil { // if there is where parameters
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conditions += " AND " + parameters.Conditions
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params = parameters.Params
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}
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db.ORM.Model(&torrents).Where(conditions, params...).Count(&count)
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dbQuery := "SELECT * FROM torrents"
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if conditions != "" {
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dbQuery = dbQuery + " WHERE " + conditions
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}
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if strings.Contains(conditions, "torrent_name") {
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dbQuery = "WITH t AS (SELECT * FROM torrents WHERE " + conditions + ") SELECT * FROM t"
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}
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if orderBy == "" { // default OrderBy
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orderBy = "torrent_id DESC"
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}
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dbQuery = dbQuery + " ORDER BY " + orderBy
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if limit != 0 || offset != 0 { // if limits provided
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dbQuery = dbQuery + " LIMIT " + strconv.Itoa(limit) + " OFFSET " + strconv.Itoa(offset)
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}
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db.ORM.Raw(dbQuery, params...).Find(&torrents)
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return torrents, count
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}
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/* Functions to simplify the get parameters of the main function
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*
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* Get Torrents with where parameters and limits, order by default
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*/
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func GetTorrents(parameters WhereParams, limit int, offset int) ([]model.Torrents, int) {
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return GetTorrentsOrderBy(¶meters, "", limit, offset)
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}
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/* Get Torrents with where parameters but no limit and order by default (get all the torrents corresponding in the db)
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*/
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func GetTorrentsDB(parameters WhereParams) ([]model.Torrents, int) {
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return GetTorrentsOrderBy(¶meters, "", 0, 0)
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}
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/* Function to get all torrents
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*/
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func GetAllTorrentsOrderBy(orderBy string, limit int, offset int) ([]model.Torrents, int) {
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return GetTorrentsOrderBy(nil, orderBy, limit, offset)
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}
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func GetAllTorrents(limit int, offset int) ([]model.Torrents, int) {
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return GetTorrentsOrderBy(nil, "", limit, offset)
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}
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func GetAllTorrentsDB() ([]model.Torrents, int) {
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return GetTorrentsOrderBy(nil, "", 0, 0)
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}
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func CreateWhereParams(conditions string, params ...string) WhereParams {
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whereParams := WhereParams{}
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whereParams.Conditions = conditions
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for i, _ := range params {
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whereParams.Params = append(whereParams.Params, params[i])
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}
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return whereParams
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}
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