Feature: Get size by api for ptp btn and ggn (#66)

* chore: add package

* feat: get size by api for ptp and btn

* feat: download and parse torrent if not api

* feat: bypass tls check and load meta from file

* fix: no invite command needed for btn

* feat: add ggn api

* feat: imrpove logging

* feat: build request url

* feat: improve err logging

pkg/btn/client.go

@@ -0,0 +1,58 @@
+package btn
+
+import (
+	"context"
+	"net/http"
+	"time"
+
+	"github.com/autobrr/autobrr/internal/domain"
+	"github.com/autobrr/autobrr/pkg/jsonrpc"
+
+	"golang.org/x/time/rate"
+)
+
+type BTNClient interface {
+	GetTorrentByID(torrentID string) (*domain.TorrentBasic, error)
+	TestAPI() (bool, error)
+}
+
+type Client struct {
+	Timeout     int
+	client      *http.Client
+	rpcClient   jsonrpc.Client
+	Ratelimiter *rate.Limiter
+	APIKey      string
+	Headers     http.Header
+}
+
+func NewClient(url string, apiKey string) BTNClient {
+	if url == "" {
+		url = "https://api.broadcasthe.net/"
+	}
+
+	c := &Client{
+		client: http.DefaultClient,
+		rpcClient: jsonrpc.NewClientWithOpts(url, &jsonrpc.ClientOpts{
+			Headers: map[string]string{
+				"User-Agent": "autobrr",
+			},
+		}),
+		APIKey:      apiKey,
+		Ratelimiter: rate.NewLimiter(rate.Every(150*time.Hour), 1), // 150 rpcRequest every 1 hour
+	}
+
+	return c
+}
+
+func (c *Client) Do(req *http.Request) (*http.Response, error) {
+	ctx := context.Background()
+	err := c.Ratelimiter.Wait(ctx) // This is a blocking call. Honors the rate limit
+	if err != nil {
+		return nil, err
+	}
+	resp, err := c.client.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	return resp, nil
+}