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import { Mail } from "../mail.ts";
import { AwsContext } from "./context.ts";
import { AwsMailRetriever } from "./retriever.ts";
export interface AwsServiceSetupOptions {
receiveCallback: (mail: Mail) => Promise<void>;
}
interface Setup {
receiveCallback: (mail: Mail) => Promise<void>;
retriever: AwsMailRetriever;
liveMailRecyclerAborter: AbortController;
}
export class AwsService implements Disposable {
private _setup: Setup | null = null;
constructor(private readonly aws: AwsContext) {}
setup(options: AwsServiceSetupOptions): Disposable {
if (this._setup != null) {
// TODO: Better error.
throw new Error("Aws service has already been set up.");
}
const { receiveCallback } = options;
const liveMailRecyclerAborter = new AbortController();
const retriever = new AwsMailRetriever(this.aws, receiveCallback);
Deno.cron("live-mail-recycler", "0 */6 * * *", {
signal: liveMailRecyclerAborter.signal,
}, () => {
retriever.recycleLiveMails();
});
this._setup = {
receiveCallback,
retriever,
liveMailRecyclerAborter,
};
return this;
}
[Symbol.dispose]() {
if (this._setup == null) return;
this._setup.liveMailRecyclerAborter.abort("Aws service is being disposed.");
}
}
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