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package models
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import (
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"encoding/json"
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)
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// TrackShort represents a lightweight track (used in lists)
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type TrackShort struct {
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BaseModel
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ID string `json:"id"`
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Title string `json:"title"`
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DurationMs int `json:"duration_ms"`
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StorageID string `json:"storage_id"`
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CoverURI string `json:"cover_uri"`
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Artists []Artist `json:"artists"`
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Albums []Album `json:"albums"`
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Genre string `json:"genre"`
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Version string `json:"version"`
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Explicit bool `json:"explicit"`
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Available bool `json:"available"`
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AvailableForPremiumUsers bool `json:"available_for_premium_users"`
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R128 float64 `json:"r128"`
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TrackSharingFlag string `json:"track_sharing_flag"`
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Major *Major `json:"major"`
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Lyrics *SupplementLyrics `json:"lyrics"`
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SimilarTracks []TrackShort `json:"similar_tracks"`
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DownloadInfo []DownloadInfo `json:"download_info"`
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// Additional fields from track_short.py
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Position *TrackPosition `json:"position"`
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AvailableAsRingtone bool `json:"available_as_ringtone"`
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RingtoneID string `json:"ringtone_id"`
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}
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// DeJSON deserializes a TrackShort from JSON
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func (t *TrackShort) DeJSON(data []byte, c ClientInterface) (Model, error) {
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var raw map[string]json.RawMessage
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if err := json.Unmarshal(data, &raw); err != nil {
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return nil, err
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}
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track := &TrackShort{BaseModel: *NewBaseModel(c)}
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// Simple fields
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if v, ok := raw["id"]; ok {
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json.Unmarshal(v, &track.ID)
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}
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if v, ok := raw["title"]; ok {
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json.Unmarshal(v, &track.Title)
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}
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if v, ok := raw["duration_ms"]; ok {
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json.Unmarshal(v, &track.DurationMs)
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}
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if v, ok := raw["storage_id"]; ok {
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json.Unmarshal(v, &track.StorageID)
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}
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if v, ok := raw["cover_uri"]; ok {
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json.Unmarshal(v, &track.CoverURI)
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}
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if v, ok := raw["genre"]; ok {
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json.Unmarshal(v, &track.Genre)
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}
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if v, ok := raw["version"]; ok {
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json.Unmarshal(v, &track.Version)
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}
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if v, ok := raw["explicit"]; ok {
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json.Unmarshal(v, &track.Explicit)
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}
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if v, ok := raw["available"]; ok {
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json.Unmarshal(v, &track.Available)
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}
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if v, ok := raw["available_for_premium_users"]; ok {
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json.Unmarshal(v, &track.AvailableForPremiumUsers)
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}
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if v, ok := raw["r128"]; ok {
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json.Unmarshal(v, &track.R128)
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}
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if v, ok := raw["track_sharing_flag"]; ok {
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json.Unmarshal(v, &track.TrackSharingFlag)
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}
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if v, ok := raw["available_as_ringtone"]; ok {
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json.Unmarshal(v, &track.AvailableAsRingtone)
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}
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if v, ok := raw["ringtone_id"]; ok {
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json.Unmarshal(v, &track.RingtoneID)
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}
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// Nested objects
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if v, ok := raw["artists"]; ok {
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var artists []Artist
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if err := json.Unmarshal(v, &artists); err == nil {
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track.Artists = artists
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}
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}
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if v, ok := raw["albums"]; ok {
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var albums []Album
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if err := json.Unmarshal(v, &albums); err == nil {
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track.Albums = albums
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}
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}
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if v, ok := raw["major"]; ok {
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var major Major
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if err := json.Unmarshal(v, &major); err == nil {
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track.Major = &major
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}
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}
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if v, ok := raw["lyrics"]; ok {
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var lyrics SupplementLyrics
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if err := json.Unmarshal(v, &lyrics); err == nil {
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track.Lyrics = &lyrics
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}
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}
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if v, ok := raw["similar_tracks"]; ok {
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var similar []TrackShort
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if err := json.Unmarshal(v, &similar); err == nil {
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track.SimilarTracks = similar
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}
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}
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if v, ok := raw["download_info"]; ok {
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var downloadInfo []DownloadInfo
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if err := json.Unmarshal(v, &downloadInfo); err == nil {
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track.DownloadInfo = downloadInfo
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}
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}
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if v, ok := raw["position"]; ok {
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var pos TrackPosition
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if err := json.Unmarshal(v, &pos); err == nil {
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track.Position = &pos
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}
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}
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return track, nil
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}
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// DeList deserializes a list of TrackShort
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func (t *TrackShort) DeList(data []byte, c ClientInterface) ([]Model, error) {
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var rawList []json.RawMessage
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if err := json.Unmarshal(data, &rawList); err != nil {
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return nil, err
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}
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result := make([]Model, 0, len(rawList))
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for _, item := range rawList {
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track := &TrackShort{BaseModel: *NewBaseModel(c)}
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if err := json.Unmarshal(item, track); err != nil {
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continue
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}
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result = append(result, track)
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}
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return result, nil
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}
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// TracksList represents a list of tracks with metadata
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type TracksList struct {
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BaseModel
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Tracks []TrackShort `json:"tracks"`
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Total int `json:"total"`
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Page int `json:"page"`
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PageSize int `json:"page_size"`
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Pager *Pager `json:"pager"`
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}
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// DeJSON deserializes a TracksList from JSON
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func (t *TracksList) DeJSON(data []byte, c ClientInterface) (Model, error) {
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var raw map[string]json.RawMessage
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if err := json.Unmarshal(data, &raw); err != nil {
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return nil, err
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}
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list := &TracksList{BaseModel: *NewBaseModel(c)}
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if v, ok := raw["tracks"]; ok {
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var tracks []TrackShort
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if err := json.Unmarshal(v, &tracks); err == nil {
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list.Tracks = tracks
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}
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}
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if v, ok := raw["total"]; ok {
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json.Unmarshal(v, &list.Total)
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}
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if v, ok := raw["page"]; ok {
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json.Unmarshal(v, &list.Page)
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}
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if v, ok := raw["page_size"]; ok {
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json.Unmarshal(v, &list.PageSize)
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}
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if v, ok := raw["pager"]; ok {
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var pager Pager
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if err := json.Unmarshal(v, &pager); err == nil {
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list.Pager = &pager
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}
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}
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return list, nil
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}
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// DeList deserializes a list of TracksList
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func (t *TracksList) DeList(data []byte, c ClientInterface) ([]Model, error) {
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var rawList []json.RawMessage
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if err := json.Unmarshal(data, &rawList); err != nil {
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return nil, err
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}
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result := make([]Model, 0, len(rawList))
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for _, item := range rawList {
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list := &TracksList{BaseModel: *NewBaseModel(c)}
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if err := json.Unmarshal(item, list); err != nil {
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continue
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}
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result = append(result, list)
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}
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return result, nil
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}
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// Pager represents pagination info
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type Pager struct {
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BaseModel
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Total int `json:"total"`
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Page int `json:"page"`
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PageSize int `json:"page_size"`
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Pages int `json:"pages"`
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PerPage int `json:"per_page"`
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PrevPage *int `json:"prev_page"`
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NextPage *int `json:"next_page"`
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HasPrev bool `json:"has_prev"`
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HasNext bool `json:"has_next"`
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}
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// DeJSON deserializes a Pager from JSON
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func (p *Pager) DeJSON(data []byte, c ClientInterface) (Model, error) {
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var raw map[string]json.RawMessage
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if err := json.Unmarshal(data, &raw); err != nil {
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return nil, err
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}
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pager := &Pager{BaseModel: *NewBaseModel(c)}
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if v, ok := raw["total"]; ok {
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json.Unmarshal(v, &pager.Total)
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}
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if v, ok := raw["page"]; ok {
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json.Unmarshal(v, &pager.Page)
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}
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if v, ok := raw["page_size"]; ok {
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json.Unmarshal(v, &pager.PageSize)
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}
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if v, ok := raw["pages"]; ok {
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json.Unmarshal(v, &pager.Pages)
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}
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if v, ok := raw["per_page"]; ok {
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json.Unmarshal(v, &pager.PerPage)
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}
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if v, ok := raw["prev_page"]; ok {
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var prev int
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if err := json.Unmarshal(v, &prev); err == nil {
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pager.PrevPage = &prev
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}
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}
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if v, ok := raw["next_page"]; ok {
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var next int
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if err := json.Unmarshal(v, &next); err == nil {
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pager.NextPage = &next
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}
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}
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if v, ok := raw["has_prev"]; ok {
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json.Unmarshal(v, &pager.HasPrev)
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}
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if v, ok := raw["has_next"]; ok {
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json.Unmarshal(v, &pager.HasNext)
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}
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return pager, nil
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}
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// DeList deserializes a list of Pager
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func (p *Pager) DeList(data []byte, c ClientInterface) ([]Model, error) {
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var rawList []json.RawMessage
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if err := json.Unmarshal(data, &rawList); err != nil {
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return nil, err
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}
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result := make([]Model, 0, len(rawList))
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for _, item := range rawList {
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pager := &Pager{BaseModel: *NewBaseModel(c)}
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if err := json.Unmarshal(item, pager); err != nil {
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continue
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}
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result = append(result, pager)
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}
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return result, nil
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}
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// TrackPosition represents track position in a playlist/queue
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type TrackPosition struct {
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BaseModel
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Revision int `json:"revision"`
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Timestamp string `json:"timestamp"`
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Position int `json:"position"`
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FromCache bool `json:"from_cache"`
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}
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// DeJSON deserializes a TrackPosition from JSON
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func (tp *TrackPosition) DeJSON(data []byte, c ClientInterface) (Model, error) {
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var raw map[string]json.RawMessage
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if err := json.Unmarshal(data, &raw); err != nil {
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return nil, err
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}
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pos := &TrackPosition{BaseModel: *NewBaseModel(c)}
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if v, ok := raw["revision"]; ok {
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json.Unmarshal(v, &pos.Revision)
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}
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if v, ok := raw["timestamp"]; ok {
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json.Unmarshal(v, &pos.Timestamp)
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}
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if v, ok := raw["position"]; ok {
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json.Unmarshal(v, &pos.Position)
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}
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if v, ok := raw["from_cache"]; ok {
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json.Unmarshal(v, &pos.FromCache)
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}
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return pos, nil
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}
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// DeList deserializes a list of TrackPosition
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func (tp *TrackPosition) DeList(data []byte, c ClientInterface) ([]Model, error) {
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var rawList []json.RawMessage
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if err := json.Unmarshal(data, &rawList); err != nil {
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return nil, err
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}
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result := make([]Model, 0, len(rawList))
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for _, item := range rawList {
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pos := &TrackPosition{BaseModel: *NewBaseModel(c)}
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if err := json.Unmarshal(item, pos); err != nil {
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continue
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}
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result = append(result, pos)
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}
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return result, nil
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}
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