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import { AsyncAPIDocumentInterface as AsyncAPIDocument, ServerInterface } from '@asyncapi/parser'
import EventEmitter from 'events'
import uriTemplates from 'uri-templates'
import GleeQuoreConnection from './connection.js'
import GleeQuore from '../index.js'
import GleeQuoreMessage from './message.js'
import { resolveFunctions } from './util.js'
import { AuthProps } from '../index.d.js'
export type EnrichedEvent = {
connection?: GleeQuoreConnection
serverName: string
server: ServerInterface
}
export type AuthEvent = {
serverName: string
authProps: AuthProps
done: any
doc: any
}
export interface GleeQuoreAdapterOptions {
glee: GleeQuore;
serverName: string;
server: ServerInterface;
parsedAsyncAPI: AsyncAPIDocument;
}
class GleeQuoreAdapter extends EventEmitter {
private _glee: GleeQuore
private _serverName: string
private _AsyncAPIServer: ServerInterface
private _parsedAsyncAPI: AsyncAPIDocument
private _channelNames: string[]
private _operationIds: string[]
private _channelAddresses: string[]
private _connections: GleeQuoreConnection[]
private _serverUrlExpanded: string
constructor({ glee, serverName, server, parsedAsyncAPI }: GleeQuoreAdapterOptions) {
super()
this._glee = glee
this._serverName = serverName
this._AsyncAPIServer = server
this._parsedAsyncAPI = parsedAsyncAPI
this._channelNames = this._parsedAsyncAPI.channels().all().map(e => e.id())
this._channelAddresses = this._parsedAsyncAPI.channels().all().map(c => c.address())
this._operationIds = this._parsedAsyncAPI.operations().all().map(o => o.id())
this._connections = []
const uriTemplateValues = new Map()
process.env.GLEE_SERVER_VARIABLES?.split(',').forEach((t) => {
const [localServerName, variable, value] = t.split(':')
Iif (localServerName === this._serverName) {
uriTemplateValues.set(variable, value)
}
})
this._serverUrlExpanded = uriTemplates(this._AsyncAPIServer.url()).fill(
Object.fromEntries(uriTemplateValues.entries())
)
this.on('error', (err) => {
this._glee.injectError(err)
})
this.on('message', (message, connection) => {
const conn = new GleeQuoreConnection({
connection,
channels: this._connections.find((c) => c.rawConnection === connection)
.channels,
serverName,
server,
parsedAsyncAPI,
})
this._glee.injectMessage(message, serverName, conn)
})
function enrichEvent(ev): EnrichedEvent {
return {
...ev,
...{
serverName,
server,
},
}
}
function enrichAuthEvent(ev): AuthEvent {
return {
...ev,
...{
serverName,
authProps: ev.authProps,
callback: ev.callback,
doc: ev.doc,
},
}
}
function createConnection(ev: {
channels?: string[]
channel?: string
connection: any
}): GleeQuoreConnection {
let channels = ev.channels
Iif (!channels && ev.channel) channels = [ev.channel]
return new GleeQuoreConnection({
connection: ev.connection,
channels,
serverName,
server,
parsedAsyncAPI,
})
}
this.on('auth', (ev) => {
this._glee.emitInternalEvent('adapter:auth', enrichAuthEvent(ev))
})
this.on('connect', (ev) => {
const conn = createConnection(ev)
this._connections.push(conn)
this._glee.emitInternalEvent(
'adapter:connect',
enrichEvent({
connection: conn,
})
)
})
this.on('server:ready', (ev) => {
this._glee.emitInternalEvent('adapter:server:ready', enrichEvent(ev))
})
this.on('server:connection:open', (ev) => {
const conn = createConnection(ev)
this._connections.push(conn)
this._glee.emitInternalEvent(
'adapter:server:connection:open',
enrichEvent({
connection: conn,
})
)
})
this.on('reconnect', (ev) => {
const conn = createConnection(ev)
this._glee.emitInternalEvent(
'adapter:reconnect',
enrichEvent({
connection: conn,
})
)
})
this.on('close', (ev) => {
const conn = createConnection(ev)
this._glee.emitInternalEvent(
'adapter:close',
enrichEvent({
connection: conn,
})
)
})
}
get app(): GleeQuore {
return this._glee
}
get serverName(): string {
return this._serverName
}
get AsyncAPIServer(): ServerInterface {
return this._AsyncAPIServer
}
get parsedAsyncAPI(): AsyncAPIDocument {
return this._parsedAsyncAPI
}
get channelNames(): string[] {
return this._channelNames
}
get operationIds(): string[] {
return this._operationIds
}
get channelAddresses(): string[] {
return this._channelAddresses
}
get connections(): GleeQuoreConnection[] {
return this._connections
}
get serverUrlExpanded(): string {
return this._serverUrlExpanded
}
async resolveProtocolConfig(protocol: string) {
Iif (!this.app.options[protocol]) return undefined
const protocolConfig = { ...this.app.options[protocol] }
Iif (!protocolConfig) return undefined
await resolveFunctions(protocolConfig)
return protocolConfig
}
async getAuthConfig(auth: any) {
Iif (!auth) return
Iif (typeof auth !== 'function') {
await resolveFunctions(auth)
return auth
}
return await auth({
serverName: this._serverName,
parsedAsyncAPI: this._parsedAsyncAPI,
})
}
/**
* Returns a list of the channels a given adapter has to subscribe to.
*/
getSubscribedChannels(): string[] {
return this._channelNames.filter((channelName) => {
const channel = this._parsedAsyncAPI.channels().get(channelName)
Iif (channel.operations().filterByReceive().length > 0) return true
const channelServers = channel.servers()
? channel.servers()
: channel.extensions().get('x-servers')?.value() || this._parsedAsyncAPI.allServers()
return channelServers.includes(this._serverName)
})
}
/**
* Connects to the remote server.
*/
async connect(): Promise<any> {
throw new Error('Method `connect` is not implemented.')
}
/**
* Sends a message to the remote server.
*
* @param {GleeQuoreMessage} message The message to send.
*/
async send(
message: GleeQuoreMessage /* eslint-disable-line @typescript-eslint/no-unused-vars */
): Promise<any> {
throw new Error('Method `send` is not implemented.')
}
}
export default GleeQuoreAdapter
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