🚀 Add TypeScript code

src/model/model.ts

@@ -0,0 +1,39 @@
+import { Product } from 'ssn';
+import * as database from './database';
+import products from './products';
+import writeLog from '../logger/writeLog';
+import createStatement from './createStatement';
+
+export async function init() {
+  await database.init();
+
+  //Only create table if it does not exist yet
+  const createIfNotExists = createStatement.replace(/^CREATE TABLE/, 'CREATE TABLE IF NOT EXISTS');
+  await database.query(createIfNotExists);
+
+  /**Products that are missing from the database and need to be inserted. */
+  const missingProducts: Product[] = [];
+  /** Products inside the database table that are not valid products. Will be printed to error log and ignored */
+  const erroneousProducts: Product[] = [];
+
+  const { results: existingRows } = await database.query('SELECT * FROM ssn_versions');
+  console.log(existingRows);
+  return;
+
+  existingRows.forEach((row: any) => {
+    //TODO: match with products
+  });
+
+  //If row does not exist, INSERT into table
+  await Promise.all(missingProducts.map((product) => {
+    return database.query(`INSERT INTO ssn_versions ${product}`);
+  }));
+
+  //If row exists that is not in products, ignore it and output error
+  erroneousProducts.forEach((product) => {
+    writeLog(`Product ${product} in database table is invalid.`);
+  });
+
+  //TODO: insert products
+
+}