Create search.go

utils/ampapi/search.go

@@ -0,0 +1,95 @@
+package ampapi
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"net/url"
+)
+
+// SearchResp represents the top-level response from the search API.
+type SearchResp struct {
+	Results SearchResults `json:"results"`
+}
+
+// SearchResults contains the different types of search results.
+type SearchResults struct {
+	Songs   *SongResults   `json:"songs,omitempty"`
+	Albums  *AlbumResults  `json:"albums,omitempty"`
+	Artists *ArtistResults `json:"artists,omitempty"`
+}
+
+// SongResults contains a list of song search results.
+type SongResults struct {
+	Href string         `json:"href"`
+	Next string         `json:"next"`
+	Data []SongRespData `json:"data"`
+}
+
+// AlbumResults contains a list of album search results.
+type AlbumResults struct {
+	Href string          `json:"href"`
+	Next string          `json:"next"`
+	Data []AlbumRespData `json:"data"`
+}
+
+// ArtistResults contains a list of artist search results.
+type ArtistResults struct {
+	Href string `json:"href"`
+	Next string `json:"next"`
+	Data []struct {
+		ID         string `json:"id"`
+		Type       string `json:"type"`
+		Href       string `json:"href"`
+		Attributes struct {
+			Name       string   `json:"name"`
+			GenreNames []string `json:"genreNames"`
+			URL        string   `json:"url"`
+		} `json:"attributes"`
+	} `json:"data"`
+}
+
+// Search performs a search query against the Apple Music API.
+func Search(storefront, term, types, language, token string, limit, offset int) (*SearchResp, error) {
+	var err error
+	if token == "" {
+		token, err = GetToken()
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	req, err := http.NewRequest("GET", fmt.Sprintf("https://amp-api.music.apple.com/v1/catalog/%s/search", storefront), nil)
+	if err != nil {
+		return nil, err
+	}
+	req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", token))
+	req.Header.Set("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36")
+	req.Header.Set("Origin", "https://music.apple.com")
+
+	query := url.Values{}
+	query.Set("term", term)
+	query.Set("types", types)
+	query.Set("limit", fmt.Sprintf("%d", limit))
+	query.Set("offset", fmt.Sprintf("%d", offset))
+	query.Set("l", language)
+	req.URL.RawQuery = query.Encode()
+
+	do, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer do.Body.Close()
+
+	if do.StatusCode != http.StatusOK {
+		return nil, fmt.Errorf("API request failed with status: %s", do.Status)
+	}
+
+	obj := new(SearchResp)
+	err = json.NewDecoder(do.Body).Decode(&obj)
+	if err != nil {
+		return nil, err
+	}
+
+	return obj, nil
+}