Update Row with MySQL API on New Message in Channel from Discord Bot API

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New Message in Channel from the Discord Bot API

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Update Row with the MySQL API

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Getting Started#

This integration creates a workflow with a Discord Bot trigger and MySQL action. When you configure and deploy the workflow, it will run on Pipedream's servers 24x7 for free.

Select this integration
Configure the New Message in Channel trigger
1. Connect your Discord Bot account
2. Select a Guild
3. Select one or more Channels
4. Optional- Configure Emit messages as a single event
5. Configure timer
Configure the Update Row action
1. Connect your MySQL account
2. Select a Table
3. Configure Where condition
4. Configure Values
Deploy the workflow
Send a test event to validate your setup
Turn on the trigger

Details#

This integration uses pre-built, source-available components from Pipedream's GitHub repo. These components are developed by Pipedream and the community, and verified and maintained by Pipedream.

To contribute an update to an existing component or create a new component, create a PR on GitHub. If you're new to Pipedream component development, you can start with quickstarts for trigger span and action development, and then review the component API reference.

Trigger#

New Message in Channel on Discord Bot

Description:Emit new event for each message posted to one or more channels

Version:0.0.17

Key:discord_bot-new-message-in-channel

View on GitHub

Discord Bot Overview#

The Pipedream Discord app enables you to build event-driven workflows that interact with the Discord API. When you authorize the Pipedream app's access to your guilds, you can use Pipedream workflows to perform common Discord actions, or write your own code against the Discord API.

Trigger Code#

import { DEFAULT_POLLING_SOURCE_TIMER_INTERVAL } from "@pipedream/platform";
import maxBy from "lodash.maxby";
import common from "../common.mjs";
import sampleEmit from "./test-event.mjs";

const { discord } = common.props;

export default {
  ...common,
  key: "discord_bot-new-message-in-channel",
  name: "New Message in Channel",
  description: "Emit new event for each message posted to one or more channels",
  type: "source",
  version: "0.0.17",

  dedupe: "unique", // Dedupe events based on the Discord message ID
  props: {
    ...common.props,
    db: "$.service.db",
    channels: {
      type: "string[]",
      label: "Channels",
      description: "The channels you'd like to watch for new messages",
      propDefinition: [
        discord,
        "channelId",
        ({ guildId }) => ({
          guildId,
        }),
      ],
    },
    emitEventsInBatch: {
      type: "boolean",
      label: "Emit messages as a single event",
      description:
        "If `true`, all messages are emitted as an array, within a single Pipedream event. Defaults to `false`, emitting each Discord message as its own event in Pipedream",
      optional: true,
      default: false,
    },
    timer: {
      type: "$.interface.timer",
      default: {
        intervalSeconds: DEFAULT_POLLING_SOURCE_TIMER_INTERVAL,
      },
    },
  },
  async run({ $ }) {
    // We store a cursor to the last message ID
    let lastMessageIDs = this._getLastMessageIDs();

    // If this is our first time running this source,
    // get the last N messages, emit them, and checkpoint
    for (const channelId of this.channels) {
      let lastMessageID;
      let messages = [];

      if (!lastMessageID) {
        messages = await this.discord.getMessages({
          $,
          channelId,
          params: {
            limit: 100,
          },
        });

        lastMessageID = messages.length
          ? maxBy(messages, (message) => message.id).id
          : 1;

      } else {
        let newMessages = [];

        do {
          newMessages = await this.discord.getMessages({
            $,
            channelId,
            params: {
              after: lastMessageIDs[channelId],
            },
          });

          messages = messages.concat(newMessages);

          lastMessageID = newMessages.length
            ? maxBy(newMessages, (message) => message.id).id
            : lastMessageIDs[channelId];

        } while (newMessages.length);
      }

      // Set the new high water mark for the last message ID
      // for this channel
      lastMessageIDs[channelId] = lastMessageID;

      if (!messages.length) {
        console.log(`No new messages in channel ${channelId}`);
        return;
      }

      console.log(`${messages.length} new messages in channel ${channelId}`);

      // Batched emits do not take advantage of the built-in deduper
      if (this.emitEventsInBatch) {
        const suffixChar =
          messages.length > 1
            ? "s"
            : "";

        this.$emit(messages, {
          summary: `${messages.length} new message${suffixChar}`,
          id: lastMessageID,
        });

      } else {
        messages.forEach((message) => {
          this.$emit(message, {
            summary: message.content,
            id: message.id, // dedupes events based on this ID
          });
        });
      }
    }

    // Set the last message ID for the next run
    this._setLastMessageIDs(lastMessageIDs);
  },
  sampleEmit,
};

Trigger Configuration#

This component may be configured based on the props defined in the component code. Pipedream automatically prompts for input values in the UI and CLI.

Label	Prop	Type	Description
Discord Bot	`discord`	`app`	This component uses the Discord Bot app.
Guild	`guildId`	`string`	Select a value from the drop down menu.
N/A	`db`	`$.service.db`	This component uses `$.service.db` to maintain state between executions.
Channels	`channels`	`string[]`	Select a value from the drop down menu.
Emit messages as a single event	`emitEventsInBatch`	`boolean`	If `true`, all messages are emitted as an array, within a single Pipedream event. Defaults to `false`, emitting each Discord message as its own event in Pipedream
	`timer`	`$.interface.timer`

Trigger Authentication#

Discord Bot uses API keys for authentication. When you connect your Discord Bot account, Pipedream securely stores the keys so you can easily authenticate to Discord Bot APIs in both code and no-code steps.

This app allows you to use the Discord API using your own Discord bot. If you don't want to use a custom bot, and you just need to use the Discord API, exit this screen and use the Discord app, instead.

If you want to use your own Discord bot, but haven't created one yet, see these instructions or watch this video. You'll need to add this bot to your server(s) to make successful API requests.

Once you've created your bot, you'll find the Bot token within the Bot section of your app. Enter that token below.

About Discord Bot#

Use this app to interact with the Discord API using a bot in your account

Action#

Update Row on MySQL

Description:Updates an existing row. [See the docs here](https://dev.mysql.com/doc/refman/8.0/en/update.html)

Version:0.0.5

Key:mysql-update-row

View on GitHub

MySQL Overview#

MySQL is a powerful database management system used by some of the largest
organizations in the world, including Facebook, Google, and Amazon. MySQL is an
open-source relational database management system (RDBMS), as well as a popular
choice for web applications used by millions of websites.

Some applications that can be built using the MySQL API include:

A web application that stores and retrieves data from a MySQL database
A desktop application that uses a MySQL database for data storage
A mobile application that interacts with a MySQL database

Action Code#

import mysql from "../../mysql.app.mjs";
import utils from "../common/utils.mjs";

export default {
  key: "mysql-update-row",
  name: "Update Row",
  description: "Updates an existing row. [See the docs here](https://dev.mysql.com/doc/refman/8.0/en/update.html)",
  type: "action",
  version: "0.0.5",
  props: {
    mysql,
    table: {
      description: "The table to update a row in",
      propDefinition: [
        mysql,
        "table",
      ],
      reloadProps: true,
    },
    condition: {
      propDefinition: [
        mysql,
        "whereCondition",
      ],
    },
    conditionValues: {
      propDefinition: [
        mysql,
        "whereValues",
      ],
    },
  },
  async additionalProps() {
    return await this.getColumnProps(this.table);
  },
  methods: utils,
  async run({ $ }) {
    const {
      table,
      condition,
      conditionValues,
    } = this;
    const numberOfQuestionMarks = condition.match(/\?/g)?.length;

    if (!numberOfQuestionMarks) {
      throw new Error("No valid condition provided. At least one question mark character ? must be provided.");
    }

    if (!Array.isArray(conditionValues)) {
      throw new Error("Condition values is not an array.");
    }

    if (conditionValues.length !== numberOfQuestionMarks) {
      throw new Error("The number of values provided does not match the number of question marks ? in the condition");
    }

    const {
      columns: columnsToUpdate, values: valuesToUpdate,
    } = await this.getColumnAndValueArrays(table);

    const result = await this.mysql.updateRow({
      table,
      condition,
      conditionValues,
      columnsToUpdate,
      valuesToUpdate,
    });

    $.export("$summary", `Successfully updated ${result.affectedRows} row(s) in table ${table}`);

    return result;
  },
};

Action Configuration#

This component may be configured based on the props defined in the component code. Pipedream automatically prompts for input values in the UI.

Label	Prop	Type	Description
MySQL	`mysql`	`app`	This component uses the MySQL app.
Table	`table`	`string`	Select a value from the drop down menu.
Where condition	`condition`	`string`	In this expression you can write your own conditions (eg. `column1 = ? or column2 = ?`). Depending on the number of `?` symbols likewise you need to add the same number of values.
Values	`conditionValues`	`string[]`	This is the list of values that will match every `?` symbol in the where expression. If you want to build yourself the values (eg. `{{["string1", "string2"]}}`)

Action Authentication#

MySQL uses API keys for authentication. When you connect your MySQL account, Pipedream securely stores the keys so you can easily authenticate to MySQL APIs in both code and no-code steps.

Before you connect to your MySQL database from Pipedream, please make sure your database is either:

Accessible from the public internet (You may need to add a firewall rule on 0.0.0.0/0 on port 3306), or
Accessible from an SSH server that you route MySQL requests through

After that, enter the following values:

host: The hostname or IP address of your MySQL server
port: 3306, unless you run MySQL on a different port
username: The account username to log in
password: The account password to log in
database: The name of the MySQL database to run queries against

About MySQL#

Open-source relational database

More Ways to Connect MySQL + Discord Bot#

Other Popular Integrations#

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Update Row with MySQL API on New Message in Channel from Discord Bot API

Pipedream makes it easy to connect APIs for MySQL, Discord Bot and 1400+ other apps remarkably fast.

Trusted by 500,000+ developers from startups to Fortune 500 companies

Developers ♥ Pipedream

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