feat: correctly implement bitbucket & add OpenAIAdapter

internal/gitadapters/baseadapter/rest.go

@@ -1,6 +1,9 @@
 package baseadapter
 
 import (
+	"bytes"
+	"context"
+	"encoding/json"
 	"fmt"
 	"io"
 	"net/http"
@@ -12,17 +15,45 @@ type Rest struct {
 	bearerToken string
 }
 
-func (b *Rest) createRequest(method string, body io.Reader, path ...string) (r *http.Request, err error) {
+func NewRest(baseURL string, bearerToken string) Rest {
+	return Rest{
+		baseURL:     baseURL,
+		bearerToken: bearerToken,
+	}
+}
+
+const defaultBodyBufferSize = 100
+
+func (b *Rest) CreateRequest(ctx context.Context, method string, body any, path ...string) (r *http.Request, err error) {
 	target, err := url.JoinPath(b.baseURL, path...)
 	if err != nil {
 		err = fmt.Errorf("can not parse path: %w", err)
 		return
 	}
-	req, err := http.NewRequest(method, target, body)
+
+	var bodyReader io.Reader
+	if body != nil {
+		bodyBuff := bytes.NewBuffer(make([]byte, 0, defaultBodyBufferSize))
+
+		err = json.NewEncoder(bodyBuff).Encode(body)
+		if err != nil {
+			return
+		}
+
+		bodyReader = bodyBuff
+	}
+
+	req, err := http.NewRequest(method, target, bodyReader)
 	if err != nil {
 		return nil, err
 	}
 
+	req = req.WithContext(ctx)
+
+	if body != nil {
+		req.Header.Set("Content-Type", "application/json")
+	}
+
 	if b.bearerToken != "" {
 		req.Header.Set("Authorization", "Bearer "+b.bearerToken)
 	}