runners and some fixes

api.go

@@ -0,0 +1,68 @@
+package laniakea
+
+import (
+	"bytes"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io"
+	"net/http"
+	"strings"
+)
+
+type ApiResponse struct {
+	Ok          bool   `json:"ok"`
+	Description string `json:"description,omitempty"`
+	Result      any    `json:"result,omitempty"`
+	ErrorCode   int    `json:"error_code,omitempty"`
+}
+
+// request is a low-level call to api.
+func (b *Bot) request(methodName string, params any) (map[string]any, error) {
+	var buf bytes.Buffer
+	err := json.NewEncoder(&buf).Encode(params)
+	if err != nil {
+		return nil, err
+	}
+
+	if b.debug && b.requestLogger != nil {
+		b.requestLogger.Debugln(strings.ReplaceAll(fmt.Sprintf(
+			"POST https://api.telegram.org/bot%s/%s %s",
+			"<TOKEN>",
+			methodName,
+			buf.String(),
+		), "\n", ""))
+	}
+	r, err := http.Post(fmt.Sprintf("https://api.telegram.org/bot%s/%s", b.token, methodName), "application/json", &buf)
+	if err != nil {
+		return nil, err
+	}
+	defer r.Body.Close()
+	data, err := io.ReadAll(r.Body)
+	if err != nil {
+		return nil, err
+	}
+	b.requestLogger.Debugln(fmt.Sprintf("RES %s %s", methodName, string(data)))
+
+	response := new(ApiResponse)
+	err = json.Unmarshal(data, &response)
+	if err != nil {
+		return nil, err
+	}
+
+	if !response.Ok {
+		return nil, fmt.Errorf("[%d] %s", response.ErrorCode, response.Description)
+	}
+	if res, ok := response.Result.(bool); ok {
+		return map[string]any{
+			"data": res,
+		}, nil
+	} else if res, ok := response.Result.([]any); ok {
+		return map[string]any{
+			"data": res,
+		}, nil
+	} else if res, ok := response.Result.(map[string]any); ok {
+		return res, nil
+	}
+	return map[string]any{}, errors.New("can't parse response")
+}