1 files changed, 56 insertions, 0 deletions
diff --git a/client.go b/client.go
new file mode 100644
index 0000000..39efbe8
--- /dev/null
+++ b/client.go
@@ -0,0 +1,56 @@
+// Package tamtam implements TamTam Bot API
+// Copyright (c) 2019 Alexander Kiryukhin <a.kiryukhin@mail.ru>
+package tamtam
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+)
+
+type client struct {
+	key     string
+	version string
+	url     *url.URL
+}
+
+func newClient(key string, version string, url *url.URL) *client {
+	return &client{key: key, version: version, url: url}
+}
+
+func (cl *client) request(method, path string, query url.Values, body interface{}) (io.ReadCloser, error) {
+	j, err := json.Marshal(body)
+	if err != nil {
+		return nil, err
+	}
+	return cl.requestReader(method, path, query, bytes.NewReader(j))
+}
+
+func (cl *client) requestReader(method, path string, query url.Values, body io.Reader) (io.ReadCloser, error) {
+	c := http.DefaultClient
+	u := *cl.url
+	u.Path = path
+	query.Set("access_token", cl.key)
+	query.Set("v", cl.version)
+	u.RawQuery = query.Encode()
+	req, err := http.NewRequest(method, u.String(), body)
+	if err != nil {
+		return nil, err
+	}
+	resp, err := c.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	if resp.StatusCode != http.StatusOK {
+		errObj := new(Error)
+		err = json.NewDecoder(resp.Body).Decode(errObj)
+		if err != nil {
+			return nil, err
+		}
+		return nil, fmt.Errorf("code=%s message=%s error=%s", errObj.Code, errObj.Message, errObj.Error)
+	}
+	return resp.Body, err
+}