ms/packages/plugin/src/manager.ts

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import { plugin, server, command, event, MiaoScriptConsole } from '@ms/api'
import { injectable, inject, postConstruct, Container, ContainerInstance } from '@ms/container'
import * as fs from '@ms/common/dist/fs'
import { getPluginMetadatas, getPluginCommandMetadata, getPluginListenerMetadata, getPlugin, getPluginTabCompleterMetadata } from './utils'
import { interfaces } from './interfaces'
@injectable()
export class PluginManagerImpl implements plugin.PluginManager {
@inject(ContainerInstance)
private container: Container
@inject(plugin.PluginInstance)
private pluginInstance: any
@inject(server.ServerType)
private serverType: string
@inject(server.Console)
private Console: MiaoScriptConsole
@inject(command.Command)
private CommandManager: command.Command
@inject(event.Event)
private EventManager: event.Event
private pluginMap: Map<string, interfaces.Plugin>
@postConstruct()
init() {
if (this.pluginInstance !== null) {
// 如果plugin不等于null 则代表是正式环境
console.info(`Initialization MiaoScript Plugin System: ${this.pluginInstance} ...`)
this.pluginMap = new Map()
console.info(`${this.EventManager.mapEventName().toFixed(0)} ${this.serverType} Event Mapping Complate...`)
}
}
scan(folder: string): void {
var plugin = fs.file(root, folder)
var files = []
// load common plugin
.concat(this.scanFloder(plugin))
// load space plugin
.concat(this.scanFloder(fs.file(plugin, this.serverType)))
this.loadPlugins(files)
}
build(): void {
this.buildPlugins()
}
load(...args: any[]): void {
this.checkAndGet(args[0]).forEach(pl => {
this.runCatch(pl, 'load')
this.runCatch(pl, `${this.serverType}load`)
})
}
enable(...args: any[]): void {
this.checkAndGet(args[0]).forEach(plugin => {
this.runCatch(plugin, 'enable')
this.runCatch(plugin, `${this.serverType}enable`)
this.registryCommand(plugin)
this.registryListener(plugin)
})
}
disable(...args: any[]): void {
this.checkAndGet(args[0]).forEach(pl => {
this.runCatch(pl, 'disable')
this.runCatch(pl, `${this.serverType}disable`)
this.unregistryCommand(pl)
this.unregistryListener(pl)
})
}
reload(...args: any[]): void {
this.checkAndGet(args[0]).forEach((pl: interfaces.Plugin) => {
this.disable(pl)
this.loadPlugin(pl.description.source)
pl = this.buildPlugin(getPlugin(pl.description.name))
this.load(pl)
this.enable(pl)
})
}
getPlugins() {
return this.pluginMap
}
private runCatch(pl: any, func: string) {
try {
if (pl[func]) pl[func].call(pl)
} catch (ex) {
console.console(`§6插件 §b${pl.description.name} §6执行 §d${func} §6方法时发生错误 §4${ex}`)
console.ex(ex)
}
}
private checkAndGet(name: string | interfaces.Plugin | undefined): Map<string, interfaces.Plugin> | interfaces.Plugin[] {
if (name == undefined) { return this.pluginMap }
if (typeof name == 'string' && this.pluginMap.has(name)) { return [this.pluginMap.get(name)] }
if (name instanceof interfaces.Plugin) { return [name as interfaces.Plugin] }
throw new Error(`Plugin ${JSON.stringify(name)} not exist!`)
}
private scanFloder(plugin: any): string[] {
var files = []
console.info(`Scanning Plugins in ${plugin} ...`)
this.checkUpdateFolder(plugin)
fs.list(plugin).forEach((file: any) => files.push(file.toFile()))
return files
}
/**
*
* @param path
*/
private checkUpdateFolder(path: any) {
var update = fs.file(path, "update")
if (!update.exists()) {
update.mkdirs()
}
}
private loadPlugins(files: any[]): void {
this.loadJsPlugins(files)
}
/**
* JS类型插件预加载
*/
private loadJsPlugins(files: any[]) {
files.filter(file => file.name.endsWith(".js")).forEach(file => this.loadPlugin(file))
}
private loadPlugin(file: any) {
try {
this.updatePlugin(file)
this.createPlugin(file)
} catch (ex) {
console.console(`§6插件 §b${file.name} §6初始化时发生错误 §4${ex.message}`)
console.ex(ex)
}
}
private updatePlugin(file: any) {
var update = fs.file(fs.file(file.parentFile, 'update'), file.name)
if (update.exists()) {
console.info(`Auto Update Plugin ${file.name} ...`)
fs.move(update, file, true)
}
}
private createPlugin(file: string) {
//@ts-ignore
require(file, {
cache: false
})
}
private buildPlugins() {
let pluginMetadatas = getPluginMetadatas()
pluginMetadatas.forEach(metadata => {
if (metadata.servers?.indexOf(this.serverType) == -1) { return }
this.buildPlugin(metadata)
})
}
private buildPlugin(metadata: interfaces.PluginMetadata) {
this.bindPlugin(metadata)
let pluginInstance = this.container.getNamed<interfaces.Plugin>(plugin.Plugin, metadata.name)
if (!(pluginInstance instanceof interfaces.Plugin)) {
console.console(`§4found error plugin §b${metadata.source} §4it's not extends interfaces.Plugin, the plugin will be ignore!`)
return
}
this.pluginMap.set(metadata.name, pluginInstance)
pluginInstance.description = metadata
// @ts-ignore
pluginInstance.logger = new this.Console(metadata.prefix || metadata.name)
return pluginInstance
}
private bindPlugin(metadata: interfaces.PluginMetadata) {
try {
let pluginInstance = this.container.getNamed<interfaces.Plugin>(plugin.Plugin, metadata.name)
if (pluginInstance.description.source + '' !== metadata.source + '') {
console.console(`§4found duplicate plugin §b${pluginInstance.description.source} §4and §b${metadata.source}§4. the first plugin will be ignore!`)
}
this.container.rebind(plugin.Plugin).to(metadata.target).inSingletonScope().whenTargetNamed(metadata.name)
} catch{
this.container.bind(plugin.Plugin).to(metadata.target).inSingletonScope().whenTargetNamed(metadata.name)
}
}
private registryCommand(pluginInstance: interfaces.Plugin) {
let cmds = getPluginCommandMetadata(pluginInstance)
let tabs = getPluginTabCompleterMetadata(pluginInstance)
for (const [_, cmd] of cmds) {
let tab = tabs.get(cmd.name)
if (cmd.servers?.indexOf(this.serverType) == -1) { continue }
this.CommandManager.on(pluginInstance, cmd.name, {
cmd: pluginInstance[cmd.executor].bind(pluginInstance),
tab: tab ? pluginInstance[tab.executor].bind(pluginInstance) : undefined
})
}
}
private registryListener(pluginInstance: interfaces.Plugin) {
let events = getPluginListenerMetadata(pluginInstance)
for (const event of events) {
// ignore space listener
if (event.servers?.indexOf(this.serverType) == -1) { continue }
// here must bind this to pluginInstance
this.EventManager.listen(pluginInstance, event.name, pluginInstance[event.executor].bind(pluginInstance))
}
}
private unregistryCommand(pluginInstance: interfaces.Plugin) {
let cmds = getPluginCommandMetadata(pluginInstance)
cmds.forEach(cmd => {
this.CommandManager.off(pluginInstance, cmd.name)
})
}
private unregistryListener(pluginInstance: interfaces.Plugin) {
this.EventManager.disable(pluginInstance)
}
}