feat(Discord Node): Overhaul (#5351)

Github issue / Community forum post (link here to close automatically):

---------

Co-authored-by: Giulio Andreini <g.andreini@gmail.com>
Co-authored-by: Marcus <marcus@n8n.io>

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

@@ -0,0 +1,43 @@
+import type {
+	IAuthenticateGeneric,
+	ICredentialTestRequest,
+	ICredentialType,
+	INodeProperties,
+} from 'n8n-workflow';
+
+export class DiscordBotApi implements ICredentialType {
+	name = 'discordBotApi';
+
+	displayName = 'Discord Bot API';
+
+	documentationUrl = 'discord';
+
+	properties: INodeProperties[] = [
+		{
+			displayName: 'Bot Token',
+			name: 'botToken',
+			type: 'string',
+			default: '',
+			required: true,
+			typeOptions: {
+				password: true,
+			},
+		},
+	];
+
+	authenticate: IAuthenticateGeneric = {
+		type: 'generic',
+		properties: {
+			headers: {
+				Authorization: '=Bot {{$credentials.botToken}}',
+			},
+		},
+	};
+
+	test: ICredentialTestRequest = {
+		request: {
+			baseURL: 'https://discord.com/api/v10/',
+			url: '/users/@me/guilds',
+		},
+	};
+}

packages/nodes-base/credentials/DiscordOAuth2Api.credentials.ts

@@ -0,0 +1,56 @@
+import type { ICredentialType, INodeProperties } from 'n8n-workflow';
+
+export class DiscordOAuth2Api implements ICredentialType {
+	name = 'discordOAuth2Api';
+
+	extends = ['oAuth2Api'];
+
+	displayName = 'Discord OAuth2 API';
+
+	documentationUrl = 'discord';
+
+	properties: INodeProperties[] = [
+		{
+			displayName: 'Bot Token',
+			name: 'botToken',
+			type: 'string',
+			default: '',
+			typeOptions: {
+				password: true,
+			},
+		},
+		{
+			displayName: 'Grant Type',
+			name: 'grantType',
+			type: 'hidden',
+			default: 'authorizationCode',
+		},
+		{
+			displayName: 'Authorization URL',
+			name: 'authUrl',
+			type: 'hidden',
+			default: 'https://discord.com/api/oauth2/authorize',
+			required: true,
+		},
+		{
+			displayName: 'Access Token URL',
+			name: 'accessTokenUrl',
+			type: 'hidden',
+			default: 'https://discord.com/api/oauth2/token',
+			required: true,
+		},
+		{
+			displayName: 'Scope',
+			name: 'scope',
+			type: 'hidden',
+			default: 'identify guilds guilds.join bot',
+			required: true,
+		},
+		{
+			displayName: 'Auth URI Query Parameters',
+			name: 'authQueryParameters',
+			type: 'hidden',
+			default: 'permissions=1642758929655',
+		},
+	];
+}

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

@@ -0,0 +1,23 @@
+import type { ICredentialType, INodeProperties } from 'n8n-workflow';
+
+export class DiscordWebhookApi implements ICredentialType {
+	name = 'discordWebhookApi';
+
+	displayName = 'Discord Webhook';
+
+	documentationUrl = 'discord';
+
+	properties: INodeProperties[] = [
+		{
+			displayName: 'Webhook URL',
+			name: 'webhookUri',
+			type: 'string',
+			required: true,
+			default: '',
+			placeholder: 'https://discord.com/api/webhooks/ID/TOKEN',
+			typeOptions: {
+				password: true,
+			},
+		},
+	];
+}