Adding Seat plan component and database tables

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

@@ -0,0 +1,32 @@
+import { BelongsTo, Column, Default, ForeignKey, HasMany, Model, Table } from "sequelize-typescript";
+import { Location } from "./location.model";
+import { SeatRow } from "./seatRow.model";
+
+@Table({ timestamps: false })
+export class SeatGroup extends Model {
+  @Column
+  name: String
+
+  @Column
+  surcharge: Number
+
+  @Column
+  capacity: Number
+
+  @Default(false)
+  @Column
+  standingArea: Boolean
+
+  @ForeignKey(() => Location)
+  @Column
+  locationId: Number
+
+
+  // Relations
+
+  @BelongsTo(() => Location)
+  location: Location
+
+  @HasMany(() => SeatRow)
+  seatRows: SeatRow[]
+}