100 lines
2.7 KiB
TypeScript
100 lines
2.7 KiB
TypeScript
import { IAdminVoteSessionRepository } from '../../domain/repositories/IAdminVoteSessionRepository';
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import { CastAdminVoteInput, CastAdminVoteOutput } from '../dtos/AdminVoteSessionDto';
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/**
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* Use Case: CastAdminVoteUseCase
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*
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* Casts a vote in an active admin vote session.
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* Follows CQRS Light: command side operation.
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*
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* Per plans section 7.1.1
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*/
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export class CastAdminVoteUseCase {
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constructor(
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private readonly adminVoteSessionRepository: IAdminVoteSessionRepository,
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) {}
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async execute(input: CastAdminVoteInput): Promise<CastAdminVoteOutput> {
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try {
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// Validate input
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const errors = this.validateInput(input);
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if (errors.length > 0) {
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return {
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success: false,
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voteSessionId: input.voteSessionId,
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voterId: input.voterId,
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errors,
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};
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}
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// Load the vote session
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const session = await this.adminVoteSessionRepository.findById(input.voteSessionId);
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if (!session) {
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return {
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success: false,
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voteSessionId: input.voteSessionId,
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voterId: input.voterId,
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errors: ['Vote session not found'],
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};
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}
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// Check if session is open
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const voteTime = input.votedAt ? new Date(input.votedAt) : new Date();
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if (!session.isVotingWindowOpen(voteTime)) {
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return {
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success: false,
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voteSessionId: input.voteSessionId,
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voterId: input.voterId,
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errors: ['Vote session is not open for voting'],
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};
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}
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// Cast the vote
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session.castVote(input.voterId, input.positive, voteTime);
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// Save updated session
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await this.adminVoteSessionRepository.save(session);
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return {
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success: true,
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voteSessionId: input.voteSessionId,
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voterId: input.voterId,
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};
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} catch (error) {
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const errorMsg = error instanceof Error ? error.message : 'Unknown error';
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return {
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success: false,
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voteSessionId: input.voteSessionId,
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voterId: input.voterId,
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errors: [`Failed to cast vote: ${errorMsg}`],
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};
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}
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}
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private validateInput(input: CastAdminVoteInput): string[] {
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const errors: string[] = [];
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if (!input.voteSessionId || input.voteSessionId.trim().length === 0) {
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errors.push('voteSessionId is required');
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}
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if (!input.voterId || input.voterId.trim().length === 0) {
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errors.push('voterId is required');
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}
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if (typeof input.positive !== 'boolean') {
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errors.push('positive must be a boolean value');
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}
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if (input.votedAt) {
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const votedAt = new Date(input.votedAt);
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if (isNaN(votedAt.getTime())) {
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errors.push('votedAt must be a valid date if provided');
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}
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}
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return errors;
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}
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}
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