@iarayan/ch-orm/dist/esm/cli/commands/SeederCommand.js

A Developer-First ClickHouse ORM with Powerful CLI Tools

import * as fs from "fs";
import * as path from "path";
/**
 * Command for seeding the database
 */
export class SeederCommand {
    constructor(connection, seedersDir = "./seeders") {
        this.connection = connection;
        this.seedersDir = seedersDir;
    }
    /**
     * Run all seeders
     */
    async run() {
        const seeders = this.getSeeders();
        for (const seeder of seeders) {
            await this.runSeeder(seeder);
        }
    }
    /**
     * Run a specific seeder
     */
    async runSeeder(seederFile) {
        const seederPath = path.join(this.seedersDir, seederFile);
        const seeder = require(seederPath).default;
        const instance = new seeder(this.connection);
        if (typeof instance.run !== "function") {
            throw new Error(`Seeder ${seederFile} must implement a run method`);
        }
        await instance.run();
    }
    /**
     * Get all seeder files
     */
    getSeeders() {
        if (!fs.existsSync(this.seedersDir)) {
            return [];
        }
        return fs
            .readdirSync(this.seedersDir)
            .filter((file) => file.endsWith(".ts") || file.endsWith(".js"))
            .sort();
    }
    /**
     * Create a new seeder file
     */
    createSeeder(name) {
        const template = `import { Seeder } from '@iarayan/ch-orm';

export default class ${name}Seeder implements Seeder {
  constructor(private connection: any) {}

  public async run(): Promise<void> {
    // Add your seeding logic here
    await this.connection.query(\`
      -- Your seeding SQL here
    \`);
  }
}
`;
        if (!fs.existsSync(this.seedersDir)) {
            fs.mkdirSync(this.seedersDir, { recursive: true });
        }
        const timestamp = new Date().getTime();
        const filename = `${timestamp}_${name.toLowerCase()}_seeder.ts`;
        const filePath = path.join(this.seedersDir, filename);
        fs.writeFileSync(filePath, template);
        return filePath;
    }
}
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