Initial commit to release

packages/cli/src/WorkflowCredentials.ts

@@ -0,0 +1,38 @@
+import {
+	Db,
+} from './';
+import {
+	INode,
+	IWorkflowCredentials
+} from 'n8n-workflow';
+
+
+export async function WorkflowCredentials(nodes: INode[]): Promise<IWorkflowCredentials> {
+	// Go through all nodes to find which credentials are needed to execute the workflow
+	const returnCredentials: IWorkflowCredentials = {};
+
+	let node, type, name, foundCredentials;
+	for (node of nodes) {
+		if (!node.credentials) {
+			continue;
+		}
+
+		for (type of Object.keys(node.credentials)) {
+			if (!returnCredentials.hasOwnProperty(type)) {
+				returnCredentials[type] = {};
+			}
+			name = node.credentials[type];
+
+			if (!returnCredentials[type].hasOwnProperty(name)) {
+				foundCredentials = await Db.collections.Credentials!.find({ name, type });
+				if (!foundCredentials.length) {
+					throw new Error(`Could not find credentials for type "${type}" with name "${name}".`);
+				}
+				returnCredentials[type][name] = foundCredentials[0];
+			}
+		}
+
+	}
+
+	return returnCredentials;
+}