⚡ Add Harvest OAuth2 support (#697)

* credentials, generic functions fit to oauth2, UI elements

* ⚡ Improvements to Harvest-Node

* Update Harvest.node.ts

* ⚡ Add OAuth2 and move account id from credentials to node parameters

* ⚡ Minor improvements to Harvest-Node

Co-authored-by: Rupenieks <ru@myos,co>
Co-authored-by: ricardo <ricardoespinoza105@gmail.com>
Co-authored-by: Jan Oberhauser <jan.oberhauser@gmail.com>

packages/nodes-base/credentials/HarvestApi.credentials.ts

@@ -8,13 +8,6 @@ export class HarvestApi implements ICredentialType {
 	displayName = 'Harvest API';
 	documentationUrl = 'harvest';
 	properties = [
-		{
-			displayName: 'Account ID',
-			name: 'accountId',
-			type: 'string' as NodePropertyTypes,
-			default: '',
-			description: 'Visit your account details page, and grab the Account ID. See <a href="https://help.getharvest.com/api-v2/authentication-api/authentication/authentication/">Harvest Personal Access Tokens</a>.',
-		},
 		{
 			displayName: 'Access Token',
 			name: 'accessToken',

packages/nodes-base/credentials/HarvestOAuth2Api.credentials.ts

@@ -0,0 +1,48 @@
+import {
+	ICredentialType,
+	NodePropertyTypes,
+} from 'n8n-workflow';
+
+
+export class HarvestOAuth2Api implements ICredentialType {
+	name = 'harvestOAuth2Api';
+	extends = [
+		'oAuth2Api',
+	];
+	displayName = 'Harvest OAuth2 API';
+	properties = [
+		{
+			displayName: 'Authorization URL',
+			name: 'authUrl',
+			type: 'hidden' as NodePropertyTypes,
+			default: 'https://id.getharvest.com/oauth2/authorize',
+			required: true,
+		},
+		{
+			displayName: 'Access Token URL',
+			name: 'accessTokenUrl',
+			type: 'hidden' as NodePropertyTypes,
+			default: 'https://id.getharvest.com/api/v2/oauth2/token',
+			required: true,
+		},
+		{
+			displayName: 'Scope',
+			name: 'scope',
+			type: 'hidden' as NodePropertyTypes,
+			default: 'all',
+		},
+		{
+			displayName: 'Auth URI Query Parameters',
+			name: 'authQueryParameters',
+			type: 'hidden' as NodePropertyTypes,
+			default: '',
+		},
+		{
+			displayName: 'Authentication',
+			name: 'authentication',
+			type: 'hidden' as NodePropertyTypes,
+			default: 'body',
+			description: 'Resource to consume.',
+		},
+	];
+}