.clean up the code

2026-05-20 05:56:16 +07:00
parent b3ebef5ab9
commit 254022d81d
460 changed files with 0 additions and 51905 deletions
@@ -1,128 +0,0 @@
-package backend
-
-import (
-	"encoding/json"
-	"fmt"
-	"html"
-	"io"
-	"net/http"
-	"regexp"
-	"strings"
-)
-
-var songstatsScriptPattern = regexp.MustCompile(`(?is)<script[^>]+type=["']application/ld\+json["'][^>]*>(.*?)</script>`)
-
-func (s *SongLinkClient) populateLinksFromSongstats(links *resolvedTrackLinks, isrc string) error {
-	pageURL := fmt.Sprintf("https://songstats.com/%s?ref=ISRCFinder", strings.ToUpper(strings.TrimSpace(isrc)))
-
-	req, err := http.NewRequest(http.MethodGet, pageURL, nil)
-	if err != nil {
-		return fmt.Errorf("failed to create request: %w", err)
-	}
-	req.Header.Set("User-Agent", songLinkUserAgent)
-
-	resp, err := s.client.Do(req)
-	if err != nil {
-		return fmt.Errorf("failed to fetch Songstats page: %w", err)
-	}
-	defer resp.Body.Close()
-
-	if resp.StatusCode != http.StatusOK {
-		return fmt.Errorf("Songstats returned status %d", resp.StatusCode)
-	}
-
-	body, err := io.ReadAll(resp.Body)
-	if err != nil {
-		return fmt.Errorf("failed to read Songstats response: %w", err)
-	}
-
-	matches := songstatsScriptPattern.FindAllStringSubmatch(string(body), -1)
-	if len(matches) == 0 {
-		return fmt.Errorf("Songstats JSON-LD not found")
-	}
-
-	found := false
-	for _, match := range matches {
-		if len(match) < 2 {
-			continue
-		}
-
-		scriptBody := strings.TrimSpace(html.UnescapeString(match[1]))
-		if scriptBody == "" {
-			continue
-		}
-
-		var payload interface{}
-		if err := json.Unmarshal([]byte(scriptBody), &payload); err != nil {
-			continue
-		}
-
-		before := *links
-		collectSongstatsLinks(payload, links)
-		if *links != before {
-			found = true
-		}
-	}
-
-	if !found && !hasAnySongLinkData(links) {
-		return fmt.Errorf("no platform links found in Songstats")
-	}
-
-	return nil
-}
-
-func collectSongstatsLinks(value interface{}, links *resolvedTrackLinks) {
-	switch typed := value.(type) {
-	case map[string]interface{}:
-		if sameAs, ok := typed["sameAs"]; ok {
-			applySongstatsSameAs(sameAs, links)
-		}
-		for _, nested := range typed {
-			collectSongstatsLinks(nested, links)
-		}
-	case []interface{}:
-		for _, nested := range typed {
-			collectSongstatsLinks(nested, links)
-		}
-	}
-}
-
-func applySongstatsSameAs(value interface{}, links *resolvedTrackLinks) {
-	switch typed := value.(type) {
-	case string:
-		assignSongstatsLink(typed, links)
-	case []interface{}:
-		for _, item := range typed {
-			if link, ok := item.(string); ok {
-				assignSongstatsLink(link, links)
-			}
-		}
-	}
-}
-
-func assignSongstatsLink(rawLink string, links *resolvedTrackLinks) {
-	link := strings.TrimSpace(rawLink)
-	if link == "" {
-		return
-	}
-
-	switch {
-	case strings.Contains(link, "listen.tidal.com/track"):
-		if links.TidalURL == "" {
-			links.TidalURL = link
-			fmt.Println("✓ Tidal URL found via Songstats")
-		}
-	case strings.Contains(link, "music.amazon.com"):
-		if links.AmazonURL == "" {
-			if normalized := normalizeAmazonMusicURL(link); normalized != "" {
-				links.AmazonURL = normalized
-				fmt.Println("✓ Amazon URL found via Songstats")
-			}
-		}
-	case strings.Contains(link, "deezer.com"):
-		if links.DeezerURL == "" {
-			links.DeezerURL = normalizeDeezerTrackURL(link)
-			fmt.Println("✓ Deezer URL found via Songstats")
-		}
-	}
-}