start work on search; write some readme up

lib/cfg/init.go

@@ -22,4 +22,7 @@ const UserAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36
 // time-to-live for dns cache
 const DNSCacheTTL = 10 * time.Minute
 
+// run soundcloak on this address (localhost:4664 by default)
+const Addr = ":4664"
+
 var JSON = jsoniter.ConfigFastest

lib/sc/init.go

@@ -36,6 +36,8 @@ var httpc = fasthttp.HostClient{
 
 var usersCache = map[string]cached[User]{}
 var tracksCache = map[string]cached[Track]{}
+var userSearchCache = map[string]cached[Paginated[User]]{}
+var trackSearchCache = map[string]cached[Paginated[Track]]{}
 
 var verRegex = regexp.MustCompile(`(?m)^<script>window\.__sc_version="([0-9]{10})"</script>$`)
 var scriptsRegex = regexp.MustCompile(`(?m)^<script crossorigin src="(https://a-v2\.sndcdn\.com/assets/.+\.js)"></script>$`)
@@ -308,3 +310,33 @@ func (t Track) GetStream() (string, error) {
 
 	return s.URL, nil
 }
+
+func SearchTracks(args string) (*Paginated[Track], error) {
+	cid, err := GetClientID()
+	if err != nil {
+		return nil, err
+	}
+
+	p := Paginated[Track]{Next: "https://api-v2.soundcloud.com/search/tracks" + args + "&client_id=" + cid}
+	err = p.Proceed()
+	if err != nil {
+		return nil, err
+	}
+
+	return &p, nil
+}
+
+func SearchUsers(args string) (*Paginated[User], error) {
+	cid, err := GetClientID()
+	if err != nil {
+		return nil, err
+	}
+
+	p := Paginated[User]{Next: "https://api-v2.soundcloud.com/search/users" + args + "&client_id=" + cid}
+	err = p.Proceed()
+	if err != nil {
+		return nil, err
+	}
+
+	return &p, nil
+}

lib/sc/structs.go

@@ -73,6 +73,7 @@ type Track struct {
 
 type Paginated[T any] struct {
 	Collection []T    `json:"collection"`
+	Total      int    `json:"total_results"`
 	Next       string `json:"next_href"`
 }