139 lines
3.1 KiB
Go
139 lines
3.1 KiB
Go
package services
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import (
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"context"
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"fmt"
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"veza-backend-api/internal/database"
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"go.uber.org/zap"
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)
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// SearchService handles search operations
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type SearchService struct {
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db *database.Database
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logger *zap.Logger
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}
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// SearchResult represents search results
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type SearchResult struct {
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Tracks []TrackResult `json:"tracks"`
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Users []UserResult `json:"users"`
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Playlists []PlaylistResult `json:"playlists"`
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}
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type TrackResult struct {
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ID string `json:"id"`
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Title string `json:"title"`
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Artist string `json:"artist"`
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URL string `json:"url"`
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}
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type UserResult struct {
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ID string `json:"id"`
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Username string `json:"username"`
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Avatar string `json:"avatar"`
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}
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type PlaylistResult struct {
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ID string `json:"id"`
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Name string `json:"name"`
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Cover string `json:"cover"`
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}
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// NewSearchService creates a new search service
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func NewSearchService(db *database.Database, logger *zap.Logger) *SearchService {
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return &SearchService{
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db: db,
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logger: logger,
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}
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}
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// Search performs a full-text search
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func (ss *SearchService) Search(query string, types []string) (*SearchResult, error) {
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ctx := context.Background()
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results := &SearchResult{}
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// Build search types - if empty, search all
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searchAll := len(types) == 0
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searchTracks := searchAll || contains(types, "track")
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searchUsers := searchAll || contains(types, "user")
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searchPlaylists := searchAll || contains(types, "playlist")
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// Search tracks
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if searchTracks {
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rows, err := ss.db.QueryContext(ctx, `
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SELECT id, title, artist, url
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FROM tracks
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WHERE title ILIKE $1 OR artist ILIKE $1
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LIMIT 10
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`, "%"+query+"%")
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if err != nil {
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return nil, fmt.Errorf("failed to search tracks: %w", err)
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}
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defer rows.Close()
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for rows.Next() {
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var track TrackResult
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if err := rows.Scan(&track.ID, &track.Title, &track.Artist, &track.URL); err != nil {
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continue
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}
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results.Tracks = append(results.Tracks, track)
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}
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}
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// Search users
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if searchUsers {
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rows, err := ss.db.QueryContext(ctx, `
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SELECT id, username, avatar
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FROM users
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WHERE username ILIKE $1
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LIMIT 10
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`, "%"+query+"%")
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if err != nil {
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return nil, fmt.Errorf("failed to search users: %w", err)
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}
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defer rows.Close()
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for rows.Next() {
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var user UserResult
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if err := rows.Scan(&user.ID, &user.Username, &user.Avatar); err != nil {
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continue
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}
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results.Users = append(results.Users, user)
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}
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}
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// Search playlists
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if searchPlaylists {
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rows, err := ss.db.QueryContext(ctx, `
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SELECT id, name, cover_image_url
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FROM playlists
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WHERE name ILIKE $1 AND is_public = TRUE
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LIMIT 10
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`, "%"+query+"%")
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if err != nil {
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return nil, fmt.Errorf("failed to search playlists: %w", err)
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}
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defer rows.Close()
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for rows.Next() {
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var playlist PlaylistResult
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if err := rows.Scan(&playlist.ID, &playlist.Name, &playlist.Cover); err != nil {
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continue
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}
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results.Playlists = append(results.Playlists, playlist)
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}
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}
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return results, nil
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}
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func contains(slice []string, item string) bool {
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for _, s := range slice {
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if s == item {
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return true
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}
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}
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return false
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}
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