Merge pull request #1472 from automatisch/AUT-506

feat(disqus): add disqus integration

packages/backend/src/apps/disqus/assets/favicon.svg

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+<?xml version="1.0" encoding="utf-8"?>
+<!-- Generator: Adobe Illustrator 16.0.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 width="200px" height="200px" viewBox="0 0 200 200" enable-background="new 0 0 200 200" xml:space="preserve">
+<g id="background">
+	<rect fill="#2E9FFF" width="200" height="200"/>
+</g>
+<g id="Layer_2">
+</g>
+<path fill="#FFFFFF" d="M102.535,167.5c-16.518,0-31.621-6.036-43.298-16.021L30.5,155.405l11.102-27.401
+	c-3.868-8.535-6.038-18.01-6.038-28.004c0-37.277,29.984-67.5,66.971-67.5c36.984,0,66.965,30.223,66.965,67.5
+	C169.5,137.284,139.52,167.5,102.535,167.5z M139.102,99.807v-0.188c0-19.479-13.736-33.367-37.42-33.367h-25.58v67.5h25.201
+	C125.171,133.753,139.102,119.284,139.102,99.807L139.102,99.807z M101.964,117.168h-7.482V82.841h7.482
+	c10.989,0,18.283,6.265,18.283,17.07v0.188C120.247,110.995,112.953,117.168,101.964,117.168z"/>
+</svg>

packages/backend/src/apps/disqus/auth/generate-auth-url.js

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+import { URLSearchParams } from 'url';
+import authScope from '../common/auth-scope.js';
+
+export default async function generateAuthUrl($) {
+  const oauthRedirectUrlField = $.app.auth.fields.find(
+    (field) => field.key == 'oAuthRedirectUrl'
+  );
+  const redirectUri = oauthRedirectUrlField.value;
+  const searchParams = new URLSearchParams({
+    client_id: $.auth.data.apiKey,
+    scope: authScope.join(','),
+    response_type: 'code',
+    redirect_uri: redirectUri,
+  });
+
+  const url = `https://disqus.com/api/oauth/2.0/authorize/?${searchParams.toString()}`;
+
+  await $.auth.set({
+    url,
+  });
+}

packages/backend/src/apps/disqus/auth/index.js

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+import generateAuthUrl from './generate-auth-url.js';
+import verifyCredentials from './verify-credentials.js';
+import refreshToken from './refresh-token.js';
+import isStillVerified from './is-still-verified.js';
+
+export default {
+  fields: [
+    {
+      key: 'oAuthRedirectUrl',
+      label: 'OAuth Redirect URL',
+      type: 'string',
+      required: true,
+      readOnly: true,
+      value: '{WEB_APP_URL}/app/disqus/connections/add',
+      placeholder: null,
+      description:
+        'When asked to input a redirect URL in Disqus, enter the URL above.',
+      clickToCopy: true,
+    },
+    {
+      key: 'apiKey',
+      label: 'API Key',
+      type: 'string',
+      required: true,
+      readOnly: false,
+      value: null,
+      placeholder: null,
+      description: null,
+      clickToCopy: false,
+    },
+    {
+      key: 'apiSecret',
+      label: 'API Secret',
+      type: 'string',
+      required: true,
+      readOnly: false,
+      value: null,
+      placeholder: null,
+      description: null,
+      clickToCopy: false,
+    },
+  ],
+
+  generateAuthUrl,
+  verifyCredentials,
+  isStillVerified,
+  refreshToken,
+};

packages/backend/src/apps/disqus/auth/is-still-verified.js

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+import getCurrentUser from '../common/get-current-user.js';
+
+const isStillVerified = async ($) => {
+  const currentUser = await getCurrentUser($);
+  return !!currentUser.response.username;
+};
+
+export default isStillVerified;

packages/backend/src/apps/disqus/auth/refresh-token.js

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+import { URLSearchParams } from 'node:url';
+import authScope from '../common/auth-scope.js';
+
+const refreshToken = async ($) => {
+  const params = new URLSearchParams({
+    grant_type: 'refresh_token',
+    client_id: $.auth.data.apiKey,
+    client_secret: $.auth.data.apiSecret,
+    refresh_token: $.auth.data.refreshToken,
+  });
+
+  const { data } = await $.http.post(
+    `https://disqus.com/api/oauth/2.0/access_token/`,
+    params.toString()
+  );
+
+  await $.auth.set({
+    accessToken: data.access_token,
+    refreshToken: data.refresh_token,
+    expiresIn: data.expires_in,
+    scope: authScope.join(','),
+    tokenType: data.token_type,
+  });
+};
+
+export default refreshToken;

packages/backend/src/apps/disqus/auth/verify-credentials.js

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+import { URLSearchParams } from 'url';
+
+const verifyCredentials = async ($) => {
+  const oauthRedirectUrlField = $.app.auth.fields.find(
+    (field) => field.key == 'oAuthRedirectUrl'
+  );
+  const redirectUri = oauthRedirectUrlField.value;
+  const params = new URLSearchParams({
+    grant_type: 'authorization_code',
+    client_id: $.auth.data.apiKey,
+    client_secret: $.auth.data.apiSecret,
+    redirect_uri: redirectUri,
+    code: $.auth.data.code,
+  });
+
+  const { data } = await $.http.post(
+    `https://disqus.com/api/oauth/2.0/access_token/`,
+    params.toString()
+  );
+
+  await $.auth.set({
+    accessToken: data.access_token,
+    tokenType: data.token_type,
+    apiKey: $.auth.data.apiKey,
+    apiSecret: $.auth.data.apiSecret,
+    scope: $.auth.data.scope,
+    userId: data.user_id,
+    expiresIn: data.expires_in,
+    refreshToken: data.refresh_token,
+    screenName: data.username,
+  });
+};
+
+export default verifyCredentials;

packages/backend/src/apps/disqus/common/add-auth-header.js

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+import { URLSearchParams } from 'url';
+
+const addAuthHeader = ($, requestConfig) => {
+  const params = new URLSearchParams({
+    access_token: $.auth.data.accessToken,
+    api_key: $.auth.data.apiKey,
+    api_secret: $.auth.data.apiSecret,
+  });
+
+  requestConfig.params = params;
+
+  return requestConfig;
+};
+
+export default addAuthHeader;

packages/backend/src/apps/disqus/common/auth-scope.js

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+const authScope = ['read', 'write', 'admin', 'email'];
+
+export default authScope;

packages/backend/src/apps/disqus/common/get-current-user.js

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+const getCurrentUser = async ($) => {
+  try {
+    const { data: currentUser } = await $.http.get('/3.0/users/details.json');
+    return currentUser;
+  } catch (error) {
+    throw new Error('You are not authenticated.');
+  }
+};
+
+export default getCurrentUser;

packages/backend/src/apps/disqus/dynamic-data/index.js

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+import listForums from './list-forums/index.js';
+
+export default [listForums];

packages/backend/src/apps/disqus/dynamic-data/list-forums/index.js

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+export default {
+  name: 'List forums',
+  key: 'listForums',
+
+  async run($) {
+    const forums = {
+      data: [],
+    };
+
+    const params = {
+      limit: 100,
+      order: 'desc',
+      cursor: undefined,
+    };
+
+    let more;
+    do {
+      const { data } = await $.http.get('/3.0/users/listForums.json', {
+        params,
+      });
+      params.cursor = data.cursor.next;
+      more = data.cursor.hasNext;
+
+      if (data.response?.length) {
+        for (const forum of data.response) {
+          forums.data.push({
+            value: forum.id,
+            name: forum.id,
+          });
+        }
+      }
+    } while (more);
+
+    return forums;
+  },
+};

packages/backend/src/apps/disqus/index.js

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+import defineApp from '../../helpers/define-app.js';
+import addAuthHeader from './common/add-auth-header.js';
+import auth from './auth/index.js';
+import dynamicData from './dynamic-data/index.js';
+import triggers from './triggers/index.js';
+
+export default defineApp({
+  name: 'Disqus',
+  key: 'disqus',
+  baseUrl: 'https://disqus.com',
+  apiBaseUrl: 'https://disqus.com/api',
+  iconUrl: '{BASE_URL}/apps/disqus/assets/favicon.svg',
+  authDocUrl: 'https://automatisch.io/docs/apps/disqus/connection',
+  primaryColor: '2E9FFF',
+  supportsConnections: true,
+  beforeRequest: [addAuthHeader],
+  auth,
+  dynamicData,
+  triggers,
+});

packages/backend/src/apps/disqus/triggers/index.js

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+import newComments from './new-comments/index.js';
+
+export default [newComments];

packages/backend/src/apps/disqus/triggers/new-comments/index.js

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+import defineTrigger from '../../../../helpers/define-trigger.js';
+import { URLSearchParams } from 'url';
+
+export default defineTrigger({
+  name: 'New comments',
+  key: 'newComments',
+  pollInterval: 15,
+  description: 'Triggers when a new comment is posted in a forum using Disqus.',
+  arguments: [
+    {
+      label: 'Post Types',
+      key: 'postTypes',
+      type: 'dynamic',
+      required: false,
+      description:
+        'Which posts should be considered for inclusion in the trigger?',
+      fields: [
+        {
+          label: 'Type',
+          key: 'type',
+          type: 'dropdown',
+          required: false,
+          description: '',
+          variables: true,
+          options: [
+            { label: 'Unapproved Posts', value: 'unapproved' },
+            { label: 'Approved Posts', value: 'approved' },
+            { label: 'Spam Posts', value: 'spam' },
+            { label: 'Deleted Posts', value: 'deleted' },
+            { label: 'Flagged Posts', value: 'flagged' },
+            { label: 'Highlighted Posts', value: 'highlighted' },
+          ],
+        },
+      ],
+    },
+    {
+      label: 'Forum',
+      key: 'forumId',
+      type: 'dropdown',
+      required: true,
+      description: 'Select the forum where you want comments to be triggered.',
+      variables: true,
+      source: {
+        type: 'query',
+        name: 'getDynamicData',
+        arguments: [
+          {
+            name: 'key',
+            value: 'listForums',
+          },
+        ],
+      },
+    },
+  ],
+
+  async run($) {
+    const forumId = $.step.parameters.forumId;
+    const postTypes = $.step.parameters.postTypes;
+    const formattedCommentTypes = postTypes
+      .filter((type) => type.type !== '')
+      .map((type) => type.type);
+
+    const params = new URLSearchParams({
+      limit: '100',
+      forum: forumId,
+    });
+
+    if (formattedCommentTypes.length) {
+      formattedCommentTypes.forEach((type) => params.append('include', type));
+    }
+
+    let more;
+    do {
+      const { data } = await $.http.get(
+        `/3.0/posts/list.json?${params.toString()}`
+      );
+      params.set('cursor', data.cursor.next);
+      more = data.cursor.hasNext;
+
+      if (data.response?.length) {
+        for (const comment of data.response) {
+          $.pushTriggerItem({
+            raw: comment,
+            meta: {
+              internalId: comment.id,
+            },
+          });
+        }
+      }
+    } while (more);
+  },
+});