refactor(web): fix types

packages/backend/src/apps/twitter/common/generate-request.ts

@@ -0,0 +1,39 @@
+import { IGlobalVariable, IJSONObject } from '@automatisch/types';
+import oauthClient from './oauth-client';
+import { Token } from 'oauth-1.0a';
+
+type IGenereateRequestOptons = {
+  requestPath: string;
+  method: string;
+  data?: IJSONObject;
+};
+
+const generateRequest = async (
+  $: IGlobalVariable,
+  options: IGenereateRequestOptons
+) => {
+  const { requestPath, method, data } = options;
+
+  const token: Token = {
+    key: $.auth.data.accessToken as string,
+    secret: $.auth.data.accessSecret as string,
+  };
+
+  const requestData = {
+    url: `${$.app.baseUrl}${requestPath}`,
+    method,
+    data,
+  };
+
+  const authHeader = oauthClient($).toHeader(
+    oauthClient($).authorize(requestData, token)
+  );
+
+  const response = await $.http.post(`/oauth/request_token`, null, {
+    headers: { ...authHeader },
+  });
+
+  return response;
+};
+
+export default generateRequest;

packages/backend/src/apps/twitter/common/get-current-user.ts

@@ -0,0 +1,14 @@
+import { IGlobalVariable, IJSONObject } from '@automatisch/types';
+import generateRequest from './generate-request';
+
+const getCurrentUser = async ($: IGlobalVariable): Promise<IJSONObject> => {
+  const response = await generateRequest($, {
+    requestPath: '/2/users/me',
+    method: 'GET',
+  });
+
+  const currentUser = response.data.data;
+  return currentUser;
+};
+
+export default getCurrentUser;

packages/backend/src/apps/twitter/common/get-user-by-username.ts

@@ -0,0 +1,22 @@
+import { IGlobalVariable, IJSONObject } from '@automatisch/types';
+import generateRequest from './generate-request';
+
+const getUserByUsername = async ($: IGlobalVariable, username: string) => {
+  const response = await generateRequest($, {
+    requestPath: `/2/users/by/username/${username}`,
+    method: 'GET',
+  });
+
+  if (response.data.errors) {
+    const errorMessages = response.data.errors
+      .map((error: IJSONObject) => error.detail)
+      .join(' ');
+
+    throw new Error(`Error occured while fetching user data: ${errorMessages}`);
+  }
+
+  const user = response.data.data;
+  return user;
+};
+
+export default getUserByUsername;

packages/backend/src/apps/twitter/common/get-user-followers.ts

@@ -0,0 +1,59 @@
+import { IGlobalVariable, IJSONObject } from '@automatisch/types';
+import { URLSearchParams } from 'url';
+import { omitBy, isEmpty } from 'lodash';
+import generateRequest from './generate-request';
+
+type GetUserFollowersOptions = {
+  userId: string;
+  lastInternalId?: string;
+};
+
+const getUserFollowers = async (
+  $: IGlobalVariable,
+  options: GetUserFollowersOptions
+) => {
+  let response;
+  const followers: IJSONObject[] = [];
+
+  do {
+    const params: IJSONObject = {
+      pagination_token: response?.data?.meta?.next_token,
+    };
+
+    const queryParams = new URLSearchParams(omitBy(params, isEmpty));
+
+    const requestPath = `/2/users/${options.userId}/followers${
+      queryParams.toString() ? `?${queryParams.toString()}` : ''
+    }`;
+
+    response = await generateRequest($, {
+      requestPath,
+      method: 'GET',
+    });
+
+    if (response.data.meta.result_count > 0) {
+      response.data.data.forEach((tweet: IJSONObject) => {
+        if (
+          !options.lastInternalId ||
+          Number(tweet.id) > Number(options.lastInternalId)
+        ) {
+          followers.push(tweet);
+        } else {
+          return;
+        }
+      });
+    }
+  } while (response.data.meta.next_token && options.lastInternalId);
+
+  if (response.data?.errors) {
+    const errorMessages = response.data.errors
+      .map((error: IJSONObject) => error.detail)
+      .join(' ');
+
+    throw new Error(`Error occured while fetching user data: ${errorMessages}`);
+  }
+
+  return followers;
+};
+
+export default getUserFollowers;

packages/backend/src/apps/twitter/common/get-user-tweets.ts

@@ -0,0 +1,75 @@
+import { IGlobalVariable, IJSONObject } from '@automatisch/types';
+import { URLSearchParams } from 'url';
+import omitBy from 'lodash/omitBy';
+import isEmpty from 'lodash/isEmpty';
+import generateRequest from './generate-request';
+import getCurrentUser from './get-current-user';
+import getUserByUsername from './get-user-by-username';
+
+type IGetUserTweetsOptions = {
+  currentUser: boolean;
+  userId?: string;
+  lastInternalId?: string;
+};
+
+const getUserTweets = async (
+  $: IGlobalVariable,
+  options: IGetUserTweetsOptions
+) => {
+  let username: string;
+
+  if (options.currentUser) {
+    const currentUser = await getCurrentUser($);
+    username = currentUser.username as string;
+  } else {
+    username = $.db.step.parameters.username as string;
+  }
+
+  const user = await getUserByUsername($, username);
+
+  let response;
+  const tweets: IJSONObject[] = [];
+
+  do {
+    const params: IJSONObject = {
+      since_id: options.lastInternalId,
+      pagination_token: response?.data?.meta?.next_token,
+    };
+
+    const queryParams = new URLSearchParams(omitBy(params, isEmpty));
+
+    const requestPath = `/2/users/${user.id}/tweets${
+      queryParams.toString() ? `?${queryParams.toString()}` : ''
+    }`;
+
+    response = await generateRequest($, {
+      requestPath,
+      method: 'GET',
+    });
+
+    if (response.data.meta.result_count > 0) {
+      response.data.data.forEach((tweet: IJSONObject) => {
+        if (
+          !options.lastInternalId ||
+          Number(tweet.id) > Number(options.lastInternalId)
+        ) {
+          tweets.push(tweet);
+        } else {
+          return;
+        }
+      });
+    }
+  } while (response.data.meta.next_token && options.lastInternalId);
+
+  if (response.data.errors) {
+    const errorMessages = response.data.errors
+      .map((error: IJSONObject) => error.detail)
+      .join(' ');
+
+    throw new Error(`Error occured while fetching user data: ${errorMessages}`);
+  }
+
+  return tweets;
+};
+
+export default getUserTweets;

packages/backend/src/apps/twitter/common/oauth-client.ts

@@ -0,0 +1,23 @@
+import { IGlobalVariable } from '@automatisch/types';
+import crypto from 'crypto';
+import OAuth from 'oauth-1.0a';
+
+const oauthClient = ($: IGlobalVariable) => {
+  const consumerData = {
+    key: $.auth.data.consumerKey as string,
+    secret: $.auth.data.consumerSecret as string,
+  };
+
+  return new OAuth({
+    consumer: consumerData,
+    signature_method: 'HMAC-SHA1',
+    hash_function(base_string, key) {
+      return crypto
+        .createHmac('sha1', key)
+        .update(base_string)
+        .digest('base64');
+    },
+  });
+};
+
+export default oauthClient;