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Send direct message

by
Published Nov 16, 2022

Sends direct message to user (you must know user email)

Script slack Verified
Use in Windmill

The script

Submitted by hugo989 Bun
Verified 7 days ago
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import { WebClient } from "@slack/web-api";
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const isEmail = (email: string): boolean =>
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  /^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(email);
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type Slack = {
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  token: string;
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};
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export async function main(user_email: string, text: string, slack: Slack) {
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  throwOnInvalidEmail(user_email);
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  const client = new WebClient(slack.token);
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  const userData = await getUserData(client, user_email);
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  console.log(userData);
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  const result = await sendDirectMessage(text, client, userData);
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  return result;
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}
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interface UserData {
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  id: string;
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  email: string;
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  real_name: string;
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}
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async function getUserData(
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  client: WebClient,
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  email: string,
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): Promise<UserData> {
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  try {
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    const response = await client.users.lookupByEmail({ email: email });
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    const { id, real_name } = response.user;
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    return { id, email, real_name };
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  } catch (err) {
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    return handleApiResponse(email, err);
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  }
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}
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async function sendDirectMessage(
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  text: string,
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  client: WebClient,
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  userData: UserData,
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) {
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  const { ok, ts, channel } = await client.chat.postMessage({
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    channel: userData.id,
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    text,
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  });
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  return { ok, ts, channel, email: userData.email };
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}
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function throwOnInvalidEmail(email: string) {
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  if (!isEmail(email)) {
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    throw new Error("Expected user email");
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  }
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}
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function handleApiResponse(email: string, error: Error) {
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  return Promise.reject({ email, err_msg: error.message });
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}
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Other submissions
  • Submitted by mrl5 Deno
    Created 385 days ago
    All edits
    Permalink
    1 
    import { WebClient } from "https://deno.land/x/[email protected]/mod.ts";
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    import { isEmail } from "https://deno.land/x/[email protected]/mod.ts";
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    type Slack = {
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      token: string;
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    };
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    export async function main(user_email: string, text: string, slack: Slack) {
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      throwOnInvalidEmail(user_email);
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      const client = new WebClient(slack.token);
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      const userData = await getUserData(client, user_email);
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      console.log(userData);
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      const result = await sendDirectMessage(text, client, userData);
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      return result;
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    }
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    interface UserData {
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      id: string;
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      email: string;
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      real_name: string;
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    }
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    async function getUserData(
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      client: WebClient,
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      email: string,
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    ): Promise<UserData> {
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      try {
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        const response = await client.users.lookupByEmail({ email: email });
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        const { id, real_name } = response.user;
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        return { id, email, real_name };
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      } catch (err) {
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        return handleApiResponse(email, err);
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      }
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    }
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    async function sendDirectMessage(
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      text: string,
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      client: WebClient,
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      userData: UserData,
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    ) {
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      const { ok, ts, channel } = await client.chat.postMessage({
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        channel: userData.id,
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        text,
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      });
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      return { ok, ts, channel, email: userData.email };
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    }
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    function throwOnInvalidEmail(email: string) {
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      if (!isEmail(email)) {
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        throw new Error("Expected user email");
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      }
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    }
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    function handleApiResponse(email: string, error: Error) {
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      return Promise.reject({ email, err_msg: error.message });
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    }
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