[Feature] [V2] Fix Error Message for CreateCollectionWithOptions (#634)

Author: ajanikow

v2/CHANGELOG.md

@@ -6,6 +6,7 @@
 - Adjust Cursor options
 - Switch to Go 1.22.8
 - Remove deprecated context functions
+- Fix Error Handler in CreateCollectionWithOptions
 
 ## [2.1.1](https://github.com/arangodb/go-driver/tree/v2.1.1) (2024-09-27)
 - Improve backup tests stability

v2/arangodb/database_collection_impl.go

@@ -122,15 +122,16 @@ func (d databaseCollection) CreateCollectionWithOptions(ctx context.Context, nam
 
 	urlEndpoint := d.db.url("_api", "collection")
 	reqData := struct {
-		shared.ResponseStruct `json:",inline"`
-		Name                  string `json:"name"`
+		Name string `json:"name"`
 		*CreateCollectionProperties
 	}{
 		Name:                       name,
 		CreateCollectionProperties: props,
 	}
 
-	resp, err := connection.CallPost(ctx, d.db.connection(), urlEndpoint, nil, &reqData, append(d.db.modifiers, options.modifyRequest)...)
+	var respData shared.ResponseStruct
+
+	resp, err := connection.CallPost(ctx, d.db.connection(), urlEndpoint, &respData, &reqData, append(d.db.modifiers, options.modifyRequest)...)
 	if err != nil {
 		return nil, errors.WithStack(err)
 	}
@@ -139,6 +140,6 @@ func (d databaseCollection) CreateCollectionWithOptions(ctx context.Context, nam
 	case http.StatusOK:
 		return newCollection(d.db, name), nil
 	default:
-		return nil, reqData.AsArangoErrorWithCode(code)
+		return nil, respData.AsArangoErrorWithCode(code)
 	}
 }

v2/arangodb/shared/error.go

@@ -82,6 +82,11 @@ func (ae ArangoError) Error() string {
 	return fmt.Sprintf("ArangoError: Code %d, ErrorNum %d", ae.Code, ae.ErrorNum)
 }
 
+// FullError returns the full error message of an ArangoError.
+func (ae ArangoError) FullError() string {
+	return fmt.Sprintf("ArangoError: Code %d, ErrorNum %d: %s", ae.Code, ae.ErrorNum, ae.ErrorMessage)
+}
+
 // Timeout returns true when the given error is a timeout error.
 func (ae ArangoError) Timeout() bool {
 	return ae.HasError && (ae.Code == http.StatusRequestTimeout || ae.Code == http.StatusGatewayTimeout)