feat: add saving new workflow endpoint (#4330) (no-changelog)

* feat: add saving new workflow endpoint

packages/cli/src/databases/entities/CredentialUsage.ts

@@ -0,0 +1,72 @@
+/* eslint-disable import/no-cycle */
+import {
+	BeforeUpdate,
+	CreateDateColumn,
+	Entity,
+	ManyToOne,
+	PrimaryColumn,
+	RelationId,
+	UpdateDateColumn,
+} from 'typeorm';
+import { IsDate, IsOptional } from 'class-validator';
+
+import config = require('../../../config');
+import { DatabaseType } from '../../index';
+import { WorkflowEntity } from './WorkflowEntity';
+import { CredentialsEntity } from './CredentialsEntity';
+
+function getTimestampSyntax() {
+	const dbType = config.get('database.type') as DatabaseType;
+
+	const map: { [key in DatabaseType]: string } = {
+		sqlite: "STRFTIME('%Y-%m-%d %H:%M:%f', 'NOW')",
+		postgresdb: 'CURRENT_TIMESTAMP(3)',
+		mysqldb: 'CURRENT_TIMESTAMP(3)',
+		mariadb: 'CURRENT_TIMESTAMP(3)',
+	};
+
+	return map[dbType];
+}
+
+@Entity()
+export class CredentialUsage {
+	@ManyToOne(() => WorkflowEntity, {
+		onDelete: 'CASCADE',
+	})
+	workflow: WorkflowEntity;
+
+	@ManyToOne(() => CredentialsEntity, {
+		onDelete: 'CASCADE',
+	})
+	credential: CredentialsEntity;
+
+	@RelationId((credentialUsage: CredentialUsage) => credentialUsage.workflow)
+	@PrimaryColumn()
+	workflowId: number;
+
+	@PrimaryColumn()
+	nodeId: string;
+
+	@RelationId((credentialUsage: CredentialUsage) => credentialUsage.credential)
+	@PrimaryColumn()
+	credentialId: string;
+
+	@CreateDateColumn({ precision: 3, default: () => getTimestampSyntax() })
+	@IsOptional() // ignored by validation because set at DB level
+	@IsDate()
+	createdAt: Date;
+
+	@UpdateDateColumn({
+		precision: 3,
+		default: () => getTimestampSyntax(),
+		onUpdate: getTimestampSyntax(),
+	})
+	@IsOptional() // ignored by validation because set at DB level
+	@IsDate()
+	updatedAt: Date;
+
+	@BeforeUpdate()
+	setUpdateDate(): void {
+		this.updatedAt = new Date();
+	}
+}