72 lines
3.5 KiB
Markdown
72 lines
3.5 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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| — `addStorageType(name, handler)` | Function to add a new attachment storage type |
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| — `downloadAttachment(attachment)` | Function to add a new attachment storage type |
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* `bot` - the [Eris Client object](https://abal.moe/Eris/docs/Client)
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* `knex` - the [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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* `attachments.addStorageType(name, handler)`
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Create a `.js` file that exports a function.
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This function will be called when the plugin is loaded, with 1 argument: an object that has the following properties:
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* `bot` - the [Eris Client object](https://abal.moe/Eris/docs/Client)
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* `knex` - the [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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See [src/plugins.js#L4](../src/plugins.js#L4) for more details
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## Work in progress
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The current plugin API is fairly rudimentary and will be expanded on in the future.
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The API can change in non-major releases during this early stage. Keep an eye on [CHANGELOG.md](../CHANGELOG.md) for any changes.
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Please send any feature suggestions to the [issue tracker](https://github.com/Dragory/modmailbot/issues)!
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