create firebase file model, types, and migration file

Author: gavxue

backend/typescript/migrations/20260207000000-create-files-table.ts

@@ -0,0 +1,49 @@
+import { DataTypes } from "sequelize";
+import { Migration } from "../umzug";
+
+const TABLE_NAME = "files";
+
+export const up: Migration = async ({ context: sequelize }) => {
+  await sequelize.getQueryInterface().createTable(TABLE_NAME, {
+    id: {
+      type: DataTypes.UUID,
+      defaultValue: DataTypes.UUIDV4,
+      allowNull: false,
+      primaryKey: true,
+    },
+    storagePath: {
+      type: DataTypes.STRING,
+      allowNull: false,
+    },
+    originalFileName: {
+      type: DataTypes.STRING,
+      allowNull: false,
+    },
+    uploadedUserId: {
+      type: DataTypes.INTEGER,
+      allowNull: false,
+      references: {
+        model: "users",
+        key: "id",
+      },
+    },
+    sizeBytes: {
+      type: DataTypes.BIGINT,
+      allowNull: false,
+    },
+    createdAt: {
+      type: DataTypes.DATE,
+      allowNull: false,
+      defaultValue: DataTypes.NOW,
+    },
+    updatedAt: {
+      type: DataTypes.DATE,
+      allowNull: false,
+      defaultValue: DataTypes.NOW,
+    },
+  });
+};
+
+export const down: Migration = async ({ context: sequelize }) => {
+  await sequelize.getQueryInterface().dropTable(TABLE_NAME);
+};

backend/typescript/models/file.model.ts

@@ -0,0 +1,43 @@
+import {
+  Column,
+  DataType,
+  ForeignKey,
+  Model,
+  Table,
+} from "sequelize-typescript";
+import User from "./user.model";
+
+@Table({ tableName: "files" })
+export default class File extends Model {
+  @Column({
+    type: DataType.UUID,
+    defaultValue: DataType.UUIDV4,
+    primaryKey: true,
+  })
+  id!: string;
+
+  @Column({ type: DataType.STRING, allowNull: false })
+  storagePath!: string;
+
+  @Column({
+    type: DataType.STRING,
+    allowNull: false,
+  })
+  originalFileName!: string;
+
+  @ForeignKey(() => User)
+  @Column({
+    type: DataType.INTEGER,
+    allowNull: false,
+  })
+  uploadedUserId!: number;
+
+  @Column({ type: DataType.BIGINT, allowNull: false })
+  sizeBytes!: bigint;
+
+  @Column({ type: DataType.DATE, allowNull: false })
+  createdAt!: Date;
+
+  @Column({ type: DataType.DATE, allowNull: false })
+  updatedAt!: Date;
+}

backend/typescript/types.ts

@@ -259,3 +259,18 @@ export type CreateAdminCommentDTO = Pick<
   AdminCommentDTO,
   "userId" | "applicantRecordId" | "comment"
 >;
+
+export type FirebaseFileDTO = {
+  id: string;
+  storagePath: string;
+  originalFileName: string;
+  uploadedUserId: number;
+  sizeBytes: bigint;
+  createdAt: Date;
+  updatedAt: Date;
+};
+
+export type CreateFirebaseFileDTO = Omit<
+  FirebaseFileDTO,
+  "id" | "createdAt" | "updatedAt"
+>;