56 lines
2.6 KiB
Markdown
56 lines
2.6 KiB
Markdown
# 🧩 Plugins
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The bot supports loading external plugins.
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## Specifying plugins to load
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For each plugin file you'd like to load, add the file path to the [`plugins` option](configuration.md#plugins).
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The path is relative to the bot's folder.
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Plugins are automatically loaded on bot startup.
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## Creating a plugin
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Plugins are simply `.js` files that export a function that gets called when the plugin is loaded.
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For details about the function arguments, see [Plugin API](#plugin-api) below.
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### Example plugin
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This example adds a command `!mycommand` that replies with `"Reply from my custom plugin!"` when the command is used inside a modmail inbox thread channel.
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```js
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module.exports = function({ bot, knex, config, commands }) {
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commands.addInboxThreadCommand('mycommand', [], (msg, args, thread) => {
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thread.replyToUser(msg.member, 'Reply from my custom plugin!');
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});
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}
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```
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(Note the use of [object destructuring](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Destructuring_assignment#Unpacking_fields_from_objects_passed_as_function_parameter) in the function parameters)
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### Example of a custom attachment storage type
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This example adds a custom type for the `attachmentStorage` option called `"original"` that simply returns the original attachment URL without rehosting it in any way.
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```js
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module.exports = function({ attachments }) {
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attachments.addStorageType('original', attachment => {
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return { url: attachment.url };
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});
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};
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```
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To use this custom attachment storage type, you would set the `attachmentStorage` config option to `"original"`.
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### Plugin API
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The first and only argument to the plugin function is an object with the following properties:
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| Property | Description |
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| -------- | ----------- |
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| `bot` | [Eris Client instance](https://abal.moe/Eris/docs/Client) |
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| `knex` | [Knex database object](https://knexjs.org/#Builder) |
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| `config` | The loaded config |
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| `commands` | An object with functions to add and manage commands |
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| `attachments` | An object with functions to save attachments and manage attachment storage types |
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| `hooks` | An object with functions to add *hooks* that are called at specific times, e.g. before a new thread is created |
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| `formats` | An object with functions that allow you to replace the default functions used for formatting messages and logs |
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See the auto-generated [Plugin API](plugin-api.md) page for details.
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## Plugin API stability
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Bot releases may contain changes to the plugin API. Make sure to check the [CHANGELOG](../CHANGELOG.md) before upgrading!
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Please send any feature suggestions to the [issue tracker](https://github.com/Dragory/modmailbot/issues)!
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