From cfd1d29302cf46e11cd8a2344352ece1c45dd1bf Mon Sep 17 00:00:00 2001
From: Tobias Zoghaib <tobias.zoghaib@stud.uni-hannover.de>
Date: Wed, 4 Sep 2024 17:06:41 +0200
Subject: [PATCH] Add all database tables with relations

---
 software/backend/database.ts                 |  6 +++-
 software/backend/models/categories.model.ts  |  9 +++++-
 software/backend/models/orderedItem.model.ts | 27 ++++++++++++++++++
 software/backend/models/orders.model.ts      | 20 +++++++++++++
 software/backend/models/products.model.ts    | 30 ++++++++++++++++++++
 software/backend/models/users.model.ts       | 24 ++++++++++++++++
 6 files changed, 114 insertions(+), 2 deletions(-)
 create mode 100644 software/backend/models/orderedItem.model.ts
 create mode 100644 software/backend/models/orders.model.ts
 create mode 100644 software/backend/models/products.model.ts
 create mode 100644 software/backend/models/users.model.ts

diff --git a/software/backend/database.ts b/software/backend/database.ts
index 5e0a23e..c5a0551 100644
--- a/software/backend/database.ts
+++ b/software/backend/database.ts
@@ -2,6 +2,10 @@ import { Sequelize } from "sequelize-typescript"
 
 // Models
 import { Categories } from "./models/categories.model"
+import { OrderedItem } from "./models/orderedItem.model"
+import { Orders } from "./models/orders.model"
+import { Products } from "./models/products.model"
+import { Users } from "./models/users.model"
 
 const dbName = "database"
 const dbUser = "root"
@@ -14,7 +18,7 @@ export const sequelize = new Sequelize({
   username: dbUser,
   password: dbPassword,
   storage: "database.sqlite",
-  models: [ Categories ]
+  models: [ Categories, OrderedItem, Orders, Products, Users ]
 })
 
 export function startDatabase() {
diff --git a/software/backend/models/categories.model.ts b/software/backend/models/categories.model.ts
index 2cdca4b..8cb3c68 100644
--- a/software/backend/models/categories.model.ts
+++ b/software/backend/models/categories.model.ts
@@ -1,7 +1,14 @@
-import { Table, Column, Model, PrimaryKey, AutoIncrement } from 'sequelize-typescript';
+import { Table, Column, Model, BelongsTo, ForeignKey } from 'sequelize-typescript';
+import { Products } from './products.model';
 
 @Table
 export class Categories extends Model {
   @Column
   name: string
+
+  @ForeignKey(() => Products)
+  productId: number
+
+  @BelongsTo(() => Products)
+  product: Products
 }
\ No newline at end of file
diff --git a/software/backend/models/orderedItem.model.ts b/software/backend/models/orderedItem.model.ts
new file mode 100644
index 0000000..5ce24da
--- /dev/null
+++ b/software/backend/models/orderedItem.model.ts
@@ -0,0 +1,27 @@
+import { Table, Column, Model, BelongsTo, ForeignKey, HasMany } from 'sequelize-typescript';
+import { Orders } from './orders.model';
+import { Products } from './products.model';
+
+@Table
+export class OrderedItem extends Model {
+  @Column
+  @ForeignKey(() => Orders)
+  orderId: number
+
+  @Column
+  @ForeignKey(() => Products)
+  productId: number
+
+  @Column
+  quantity: number
+
+  @Column
+  totalPrice: number
+
+  // Relations
+  @BelongsTo(() => Orders)
+  order: Orders
+
+  @HasMany(() => Products)
+  products: Products[]
+}
\ No newline at end of file
diff --git a/software/backend/models/orders.model.ts b/software/backend/models/orders.model.ts
new file mode 100644
index 0000000..d9ddbab
--- /dev/null
+++ b/software/backend/models/orders.model.ts
@@ -0,0 +1,20 @@
+import { Table, Column, Model, BelongsTo, ForeignKey, HasMany } from 'sequelize-typescript';
+import { Users } from './users.model';
+import { OrderedItem } from './orderedItem.model';
+
+@Table
+export class Orders extends Model {
+  @Column
+  @ForeignKey(() => Users)
+  userNameId: number
+
+  @Column
+  totalPrice: number
+
+  // Relations
+  @BelongsTo(() => Users)
+  user: Users
+
+  @HasMany(() => OrderedItem)
+  orderedItems: OrderedItem
+}
\ No newline at end of file
diff --git a/software/backend/models/products.model.ts b/software/backend/models/products.model.ts
new file mode 100644
index 0000000..55f0319
--- /dev/null
+++ b/software/backend/models/products.model.ts
@@ -0,0 +1,30 @@
+import { Table, Column, Model, ForeignKey, BelongsTo, HasOne } from 'sequelize-typescript';
+import { Categories } from './categories.model';
+import { OrderedItem } from './orderedItem.model';
+
+@Table
+export class Products extends Model {
+  @Column
+  name: string
+
+  @Column
+  @ForeignKey(() => Categories)
+  categoryId: number
+
+  @Column
+  @ForeignKey(() => OrderedItem)
+  orderedItemId: number
+
+  @Column
+  price: number
+
+  @Column
+  discount: number
+  
+  // Relations
+  @BelongsTo(() => OrderedItem)
+  orderedItem: OrderedItem
+
+  @HasOne(() => Categories)
+  category: Categories
+}
\ No newline at end of file
diff --git a/software/backend/models/users.model.ts b/software/backend/models/users.model.ts
new file mode 100644
index 0000000..3f10261
--- /dev/null
+++ b/software/backend/models/users.model.ts
@@ -0,0 +1,24 @@
+import { Table, Column, Model, HasMany } from 'sequelize-typescript';
+import { Orders } from './orders.model';
+
+@Table
+export class Users extends Model {
+  @Column
+  username: string
+
+  @Column
+  password: string
+
+  @Column
+  address: string
+
+  @Column
+  firstName: string
+
+  @Column
+  lastName: string
+
+  // Relations
+  @HasMany(() => Orders)
+  orders: Orders[]
+}
\ No newline at end of file