Adding Seat plan component and database tables

software/backend/models/locations/seatRow.model.ts

@@ -0,0 +1,22 @@
+import { BelongsTo, Column, ForeignKey, HasMany, Model, Table } from "sequelize-typescript";
+import { SeatGroup } from "./seatGroup.model";
+import { Seat } from "./seat.model";
+
+@Table({ timestamps: false })
+export class SeatRow extends Model {
+  @Column
+  row: number
+
+  @ForeignKey(() => SeatGroup)
+  @Column
+  seatGroupId: number
+
+  
+  // Relations
+
+  @BelongsTo(() => SeatGroup)
+  seatGroup: SeatGroup
+
+  @HasMany(() => Seat)
+  seats: Seat[]
+}