some additional changes to database schema

db/Seed.js

@@ -1,58 +1,71 @@
 const { Client } = require('pg');
 require('dotenv').config({ path: "../.env" });
 
-(async () => {
+async function main() {
     const client = new Client({ connectionString: process.env.CONNECTION });
     await client.connect().then(console.log("Connection successful."));
 
+    // user
     const createUserTable = `
         CREATE TABLE IF NOT EXISTS users (
             id                  INT             PRIMARY KEY GENERATED ALWAYS AS IDENTITY NOT NULL,
-            username            VARCHAR         NOT NULL,
+            email               VARCHAR         NOT NULL,
             password            VARCHAR         NOT NULL,
             firstname           VARCHAR         NOT NULL,
             lastname            VARCHAR         NOT NULL
         );
     `;
 
+    // cart
     const createCartTable = `
         CREATE TABLE IF NOT EXISTS cart (
             id                  INT             PRIMARY KEY GENERATED ALWAYS AS IDENTITY NOT NULL,
             appUserId           INT             REFERENCES users(id),
-            subtotal            NUMERIC
         );
     `;
 
+    // order
     const createOrderTable = `
         CREATE TABLE IF NOT EXISTS orders (
             id                  INT             PRIMARY KEY GENERATED ALWAYS AS IDENTITY NOT NULL,
-            cartId              INT             REFERENCES cart(id),
+            userId              INT             REFERENCES users(id),
+            total               NUMERIC         NOT NULL,
             delivered           BOOLEAN,
             processed           BOOLEAN,
             shipped             BOOLEAN
         );
     `;
 
+    // region
+    const createRegionTable = `
+        CREATE TABLE IF NOT EXISTS region (
+            id                  INT             PRIMARY KEY GENERATED ALWAYS AS IDENTITY NOT NULL,
+            name                VARCHAR         NOT NULL
+        );
+    `;
+
+    // category
     const createCategoryTable = `
         CREATE TABLE IF NOT EXISTS category (
             id                  INT             PRIMARY KEY GENERATED ALWAYS AS IDENTITY NOT NULL,
             name                VARCHAR         NOT NULL,
-            description         VARCHAR         NOT NULL,
-            is_product_subset   BOOLEAN         NOT NULL
+            description         VARCHAR         NOT NULL
         );
     `;
 
+    // product
     const createProductTable = `
         CREATE TABLE IF NOT EXISTS product (
             id                  INT             PRIMARY KEY GENERATED ALWAYS AS IDENTITY NOT NULL,
             name                VARCHAR         NOT NULL,
             description         VARCHAR         NOT NULL,
-            category            VARCHAR         NOT NULL,
             categoryId          INT             REFERENCES category(id),
+            regionId            INT             REFERENCES region(id),
             price               NUMERIC         NOT NULL
         );
     `;
 
+    // products_carts
     const createProductsCarts = `
         CREATE TABLE IF NOT EXISTS products_carts (
             productId           INT             REFERENCES product(id),
@@ -60,7 +73,17 @@ require('dotenv').config({ path: "../.env" });
         );
     `;
 
-    const allQueries = [createUserTable, createCartTable, createCategoryTable, createProductTable, createOrderTable, createProductsCarts];
+    // products_orders
+    const createProductsOrders = `
+        CREATE TABLE IF NOT EXISTS products_orders (
+            id                  INT             PRIMARY KEY GENERATED ALWAYS AS IDENTITY NOT NULL,
+            quantity            INT             NOT NULL,
+            productId           INT             REFERENCES product(id),
+            orderId             INT             REFERENCES orders(id)
+        );
+    `;
+
+    const allQueries = [createUserTable, createCartTable, createCategoryTable, createRegionTable, createProductTable, createOrderTable, createProductsCarts, createProductsOrders];
     let status;
 
     try {
@@ -69,6 +92,7 @@ require('dotenv').config({ path: "../.env" });
         for (let q of allQueries) {
             await client.query(q);
         }
+
         await client.end();
         status = "Database setup successful!";
     } catch(e) {
@@ -76,4 +100,6 @@ require('dotenv').config({ path: "../.env" });
     }
 
     console.log(status);
-})();
+}
+
+main();

db/readStarterData.js

@@ -0,0 +1,5 @@
+
+
+async function main() {
+    return;
+}