internship_node/day14/Model_builder.js

const fs = require("fs");
const path = require("path");

class ModelBuilder {
  static build() {
    const config = require("./configuration.json");
    const modelDir = path.join(__dirname, "release/models");

    // Create release/models directory
    if (!fs.existsSync(modelDir)) fs.mkdirSync(modelDir, { recursive: true });

    config.model.forEach((model) => {
      const modelCode = `const { DataTypes } = require('sequelize');
module.exports = (sequelize) => {
  return sequelize.define('${model.name}', {
    ${model.field
      .map(
        (field) => `
    ${field[0]}: {
      type: DataTypes.${field[1].toUpperCase()},
      allowNull: ${field[3] === "required" ? "false" : "true"}
    }`
      )
      .join(",")}
  }, {
    timestamps: true
  });
};`;

      fs.writeFileSync(
        path.join(modelDir, `${model.name}.model.js`),
        modelCode
      );
    });
  }
}

module.exports = ModelBuilder;