Refactor ConstructAPIAuthEndpoint function to use Microsoft Graph API authentication endpoint

Author: ShocOne

apiintegrations/msgraph/msgraph_api_url.go

@@ -25,10 +25,17 @@ func (g *GraphAPIHandler) ConstructAPIResourceEndpoint(instanceName string, endp
 	return url
 }
 
-// ConstructAPIAuthEndpoint constructs the full URL for a graph API auth endpoint path and logs the URL.
-func (g *GraphAPIHandler) ConstructAPIAuthEndpoint(instanceName string, endpointPath string, log logger.Logger) string {
-	urlBaseDomain := g.SetBaseDomain()
-	url := fmt.Sprintf("https://%s%s%s", instanceName, urlBaseDomain, endpointPath)
-	g.Logger.Debug(fmt.Sprintf("Constructed %s API authentication URL", APIName), zap.String("URL", url))
+// ConstructAPIAuthEndpoint constructs the full URL for the Microsoft Graph API authentication endpoint.
+// It uses the provided tenant name and endpoint path and logs the constructed URL.
+func (g *GraphAPIHandler) ConstructAPIAuthEndpoint(tenantName string, endpointPath string, log logger.Logger) string {
+	// The base URL for the Microsoft Graph API authentication endpoint.
+	const baseURL = "https://login.microsoftonline.com"
+
+	// Construct the full URL by combining the base URL, tenant name, and endpoint path.
+	url := fmt.Sprintf("%s/%s%s", baseURL, tenantName, endpointPath)
+
+	// Log the constructed URL for debugging purposes.
+	log.Debug(fmt.Sprintf("Constructed Microsoft Graph API authentication URL"), zap.String("URL", url))
+
 	return url
 }