import { Inject, Injectable } from '@nestjs/common';
import dayjs from 'dayjs';
import weekOfYear from 'dayjs/plugin/weekOfYear';
import { VAULT_CONFIG, VaultConfig } from '@config/vault.config';
import {
VAULT_REPOSITORY,
VaultRepository,
TEMPLATE_ENGINE,
TemplateEngine,
LOGGER_PORT,
LoggerPort,
} from '@application/ports';
dayjs.extend(weekOfYear);
export interface CreateWeeklyInput {
date?: string;
}
export interface CreateWeeklyOutput {
path: string;
content: string;
created: boolean;
}
@Injectable()
export class CreateWeeklyUseCase {
constructor(
@Inject(VAULT_REPOSITORY) private readonly vault: VaultRepository,
@Inject(TEMPLATE_ENGINE) private readonly template: TemplateEngine,
@Inject(LOGGER_PORT) private readonly logger: LoggerPort,
@Inject(VAULT_CONFIG) private readonly config: VaultConfig,
) {}
async execute(input: CreateWeeklyInput): Promise<CreateWeeklyOutput> {
const date = input.date || dayjs().format('YYYY-MM-DD');
const d = dayjs(date);
const weekLabel = d.format('YYYY-[W]') + String(d.week()).padStart(2, '0');
const notePath = `${this.config.dailyFolder}/Weekly Review - ${weekLabel}.md`;
if (await this.vault.fileExists(notePath)) {
const content = await this.vault.readFile(notePath);
this.logger.info('Weekly review already exists', { path: notePath });
return { path: notePath, content, created: false };
}
const templatePath = `${this.config.templatesFolder}/Template - Weekly Review.md`;
const templateContent = await this.vault.readFile(templatePath);
const rendered = this.template.renderWeeklyReview(templateContent, date);
await this.vault.writeFile(notePath, rendered);
this.logger.info('Weekly review created', { path: notePath });
return { path: notePath, content: rendered, created: true };
}
}
