Jesse_Chen
77 lines
3.3 KiB
TypeScript
77 lines
3.3 KiB
TypeScript
import { withConfirmedCandidate } from "./birth-time-evidence.ts";
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import { replayedDynamicAction } from "./birth-time-dynamic-action-replay.ts";
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import { withDynamicAction } from "./birth-time-dynamic-transitions.ts";
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import { BirthTimeDynamicActionError } from "./birth-time-dynamic-actions.ts";
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import { storedDynamicJourneyResponse } from "./birth-time-journey-response.ts";
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import type {
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BirthTimeJourneyPorts,
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DynamicCandidateConfirmationCommand,
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DynamicStoredRectificationCase,
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} from "./birth-time-journey-service.ts";
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import { StaleJourneyTurnError } from "./birth-time-journey-store-errors.ts";
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function stale(stored: DynamicStoredRectificationCase, expectedVersion: number) {
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return new StaleJourneyTurnError(stored.id, expectedVersion, stored.turnVersion);
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}
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export function createDynamicCandidateConfirmation(ports: BirthTimeJourneyPorts) {
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return {
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async confirm(input: DynamicCandidateConfirmationCommand) {
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const stored = await ports.store.loadCase(input.userId, input.caseId);
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if (!stored) throw new BirthTimeDynamicActionError("case_not_found");
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if (stored.journeyProtocol !== "dynamic-choice-v2") {
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throw new BirthTimeDynamicActionError("invalid_turn");
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}
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const receipt = stored.dynamicControl.lastActionReceipt;
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if (replayedDynamicAction(stored, input.actionId, input.expectedVersion, () => (
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stored.dynamicTurnState.nextAction.kind === "ready"
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&& stored.dynamicTurnState.nextAction.activeTime === input.time
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&& stored.snapshot.activeTime === input.time
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&& receipt?.kind === "confirm_candidate"
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&& receipt.actionId === input.actionId.toLowerCase()
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&& receipt.turnVersion === input.expectedVersion
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&& receipt.resultId === input.resultId
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&& receipt.time === input.time
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))) return storedDynamicJourneyResponse(stored);
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const action = stored.dynamicTurnState.nextAction;
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const candidate = stored.candidateResult;
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if (
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stored.turnVersion !== input.expectedVersion
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|| action.kind !== "request_candidate_confirmation"
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|| action.resultId !== input.resultId
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|| !stored.dynamicTurnState.permissions.canConfirmCandidate
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|| candidate?.resultId !== input.resultId
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|| candidate.canApply !== true
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|| candidate.winningSegment?.representativeTime !== input.time
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) throw stale(stored, input.expectedVersion);
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const transitioned = withDynamicAction(
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stored,
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{ kind: "ready", activeTime: input.time },
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input.expectedVersion + 1,
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);
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const updated = {
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...transitioned,
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snapshot: withConfirmedCandidate(stored.snapshot, candidate, input.time),
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currentChoiceQuestion: null,
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dynamicTurnState: {
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...transitioned.dynamicTurnState,
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permissions: { canConfirmCandidate: false },
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},
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dynamicControl: {
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...stored.dynamicControl,
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lastActionReceipt: {
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actionId: input.actionId.toLowerCase(),
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kind: "confirm_candidate" as const,
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turnVersion: input.expectedVersion,
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resultId: input.resultId,
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time: input.time,
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},
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},
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} satisfies DynamicStoredRectificationCase;
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return storedDynamicJourneyResponse(await ports.store.confirmDynamicCandidate(updated, input));
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},
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};
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}
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