fixed migrations + moved to utils folder

Author: jeessh

backend/typescript/migrations/2025.07.21T07.02.41.create-applicants.ts

@@ -1,7 +1,7 @@
 import { DataType } from "sequelize-typescript";
 import { v4 as uuidv4 } from "uuid";
 import { Migration } from "../umzug";
-import applicants from "./separateJSONs";
+import applicants from "./processedApplicants.json";
 
 const TABLE_NAME = "applicants";
 

backend/typescript/migrations/2025.07.21T07.02.42.create-positions.ts

@@ -0,0 +1,57 @@
+import { DataType } from "sequelize-typescript";
+import { v4 as uuidv4 } from "uuid";
+import { Migration } from "../umzug";
+import {
+  Department,
+  PositionTitles,
+  EngineeringPositionTitles,
+  DesignPositionTitles,
+  ProductPositionTitles,
+  CommunityPositionTitles,
+} from "../types";
+
+const TABLE_NAME = "positions";
+
+const SEEDED_DATA = [
+  ...EngineeringPositionTitles.map((title) => ({
+    title,
+    department: Department.Engineering,
+  })),
+
+  ...DesignPositionTitles.map((title) => ({
+    title,
+    department: Department.Design,
+  })),
+
+  ...ProductPositionTitles.map((title) => ({
+    title,
+    department: Department.Product,
+  })),
+
+  ...CommunityPositionTitles.map((title) => ({
+    title,
+    department: Department.Community,
+  })),
+];
+
+export const up: Migration = async ({ context: sequelize }) => {
+  await sequelize.getQueryInterface().createTable(TABLE_NAME, {
+    title: {
+      type: DataType.ENUM(...PositionTitles),
+      allowNull: false,
+      primaryKey: true,
+    },
+    department: {
+      type: DataType.ENUM(...Object.values(Department)),
+      allowNull: false,
+    },
+  });
+
+  await sequelize.query("DELETE FROM positions");
+
+  await sequelize.getQueryInterface().bulkInsert(TABLE_NAME, SEEDED_DATA);
+};
+
+export const down: Migration = async ({ context: sequelize }) => {
+  await sequelize.getQueryInterface().dropTable(TABLE_NAME);
+};

backend/typescript/migrations/2025.07.21T15.30.15.create-applicant-record.ts

@@ -3,7 +3,7 @@ import { v4 as uuidv4 } from "uuid";
 import { Migration } from "../umzug";
 
 import allApplications from "./applicationlist.json";
-import applicants from "./separateJSONs";
+import applicants from "./processedApplicants.json";
 import {
   ApplicationStatus,
   SkillCategory,
@@ -113,7 +113,7 @@ export const up: Migration = async ({ context: sequelize }) => {
       },
     },
     position: {
-      type: DataType.STRING,
+      type: DataType.ENUM(...ALL_POSITION_TITLES),
       allowNull: true,
       references: {
         model: "positions",