79 lines
2.0 KiB
TypeScript
79 lines
2.0 KiB
TypeScript
import { AggregateRoot, getDate, makeAggregateReducer } from "@valkyr/event-store";
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import { CodeIdentity } from "../events/code.ts";
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import { EventStoreFactory } from "../events/mod.ts";
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export class Code extends AggregateRoot<EventStoreFactory> {
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static override readonly name = "code";
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id!: string;
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identity!: CodeIdentity;
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value!: string;
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createdAt!: Date;
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claimedAt?: Date;
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// -------------------------------------------------------------------------
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// Factories
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// -------------------------------------------------------------------------
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static #reducer = makeAggregateReducer(Code);
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static create(identity: CodeIdentity): Code {
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return new Code().push({
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type: "code:created",
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data: {
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identity,
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value: crypto
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.getRandomValues(new Uint8Array(5))
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.map((v) => v % 10)
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.join(""),
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},
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});
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}
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static async getById(stream: string): Promise<Code | undefined> {
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return this.$store.reduce({
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name: "code",
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stream,
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reducer: this.#reducer,
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});
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}
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get isClaimed(): boolean {
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return this.claimedAt !== undefined;
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}
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// -------------------------------------------------------------------------
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// Folder
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// -------------------------------------------------------------------------
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with(event: EventStoreFactory["$events"][number]["$record"]): void {
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switch (event.type) {
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case "code:created": {
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this.id = event.stream;
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this.value = event.data.value;
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this.identity = event.data.identity;
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this.createdAt = getDate(event.created);
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break;
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}
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case "code:claimed": {
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this.claimedAt = getDate(event.created);
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break;
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}
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}
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}
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// -------------------------------------------------------------------------
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// Actions
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// -------------------------------------------------------------------------
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claim(): this {
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return this.push({
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type: "code:claimed",
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stream: this.id,
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});
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}
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}
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