GAS-Slack

Slack module for GAS that written by TypeScript

Usage

import {Slack, Post, Invocation } from '../../index';

Slack.setToken(PropertiesService.getScriptProperties().getProperty('SLACK_BOT_TOKEN') as string);
const slackbot = Slack.createBot('GAS-Bot');
const channel = PropertiesService.getScriptProperties().getProperty('SLACK_CHANNEL') as string;

function test_Bot_post() {
    const post = slackbot.post(channel,
        {
            title: "Approval Request",
            text: "Your approval is requested",
            fallback: "This is a fallback message",
            callback_id: "test_Bot_post",
            color: "black",
            attachment_type: "default",
            actions: [
                {
                    name: "SelectiveAction",
                    text: "Approve",
                    type: "button",
                    value: "approve",
                    confirm: {
                        title: "Confirm",
                        text: "Do you really approve?",
                        ok_text: "Yes",
                        dismiss_Text: "No"
                    }
                },
                {
                    name: "SelectiveAction",
                    text: "Reject",
                    type: "button",
                    value: "reject"
                }
            ]
        }
    );
}
function doPost(e: any) {
    return Slack.handleInvocation(JSON.parse(e.parameter.payload), (invocation: Invocation, post: Post) => {
        const message = invocation.original_message;
        switch (invocation.actions[0].value) {
            case 'approve':
                if (message.attachments) {
                    message.attachments[0].text = message.attachments[0].text + `\n ✅ <@${invocation.user.id}> approved!`;
                    message.attachments[0].actions = undefined;
                }
                break;

            case 'reject':
                if (message.attachments) {
                    message.attachments[0].text = message.attachments[0].text + `\n ❎ <@${invocation.user.id}> rejected`;
                    message.attachments[0].actions = undefined;
                }
                break;
            default:
                break;
        }
        return message;
    })
}