Pause adding intermediary tables

I am struggling to remember why I started doing this.
I can't think of any real benefit.

data-source.ts

@@ -26,7 +26,10 @@ import {addNoSound1667186456118} from './migrations/1667186456118-add-no-sound'
 import {dropMigrations1667190214743} from './migrations/1667190214743-drop-migrations'
 import {splitColor1669420187764} from './migrations/1669420187764-split-color'
 import {addDays1670284587217} from './migrations/1670284587217-add-days'
+import {addWorkouts1670477728181} from './migrations/1670477728181-add-workouts'
 import {Plan} from './plan'
+import {PlanDay} from './plan-day'
+import {PlanWorkout} from './plan-workout'
 import Settings from './settings'
 import {Workout} from './workout'
 
@@ -34,7 +37,7 @@ export const AppDataSource = new DataSource({
   type: 'react-native',
   database: 'massive.db',
   location: 'default',
-  entities: [GymSet, Plan, Settings, Day, Workout],
+  entities: [GymSet, Plan, Settings, Day, Workout, PlanWorkout, PlanDay],
   migrationsRun: true,
   migrationsTableName: 'typeorm_migrations',
   migrations: [
@@ -63,5 +66,6 @@ export const AppDataSource = new DataSource({
     dropMigrations1667190214743,
     splitColor1669420187764,
     addDays1670284587217,
+    addWorkouts1670477728181,
   ],
 })

migrations/1670284587217-add-days.ts

@@ -1,4 +1,9 @@
 import {MigrationInterface, QueryRunner, Table, TableColumn} from 'typeorm'
+import {AppDataSource} from '../data-source'
+import {Day} from '../day'
+import {planRepo} from '../db'
+import {PlanWorkout} from '../plan-workout'
+import {DAYS} from '../time'
 
 export class addDays1670284587217 implements MigrationInterface {
   public async up(queryRunner: QueryRunner): Promise<void> {
@@ -11,7 +16,6 @@ export class addDays1670284587217 implements MigrationInterface {
         ],
       }),
     )
-    await queryRunner.dropColumn('plans', 'days')
     await queryRunner.query(`
       INSERT INTO days VALUES 
         (1, 'Sunday'),
@@ -21,6 +25,26 @@ export class addDays1670284587217 implements MigrationInterface {
         (5, 'Thursday'),
         (6, 'Friday'),
         (7, 'Saturday')`)
+    await queryRunner.createTable(
+      new Table({
+        name: 'plans_days_days',
+        columns: [
+          new TableColumn({name: 'plansId', type: 'int'}),
+          new TableColumn({name: 'daysId', type: 'int'}),
+        ],
+      }),
+    )
+    const plans = await AppDataSource.query('SELECT * FROM plans')
+    const planWorkoutRepo = AppDataSource.getRepository(PlanWorkout)
+    for (const plan of plans) {
+      const days: Day[] = plan.days.split(',').map((day: string) => {
+        const id = DAYS.indexOf(day) + 1
+        return {id, name: day}
+      })
+      planWorkoutRepo.save(days)
+      await planRepo.update(plan.id, {days})
+    }
+    await queryRunner.dropColumn('plans', 'days')
   }
 
   public async down(queryRunner: QueryRunner): Promise<void> {}

migrations/1670477728181-add-workouts.ts

@@ -0,0 +1,44 @@
+import {MigrationInterface, QueryRunner, Table, TableColumn} from 'typeorm'
+import {AppDataSource} from '../data-source'
+import {planRepo} from '../db'
+import {PlanWorkout} from '../plan-workout'
+import {Workout} from '../workout'
+
+export class addWorkouts1670477728181 implements MigrationInterface {
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.createTable(
+      new Table({
+        name: 'workouts',
+        columns: [
+          new TableColumn({
+            name: 'id',
+            type: 'int',
+            isPrimary: true,
+            isGenerated: true,
+          }),
+          new TableColumn({name: 'name', type: 'text', isNullable: false}),
+        ],
+      }),
+    )
+    await queryRunner.createTable(
+      new Table({
+        name: 'plans_workouts_workouts',
+        columns: [
+          new TableColumn({name: 'plansId', type: 'int'}),
+          new TableColumn({name: 'workoutsId', type: 'int'}),
+        ],
+      }),
+    )
+    const plans = await AppDataSource.query('SELECT * FROM plans')
+    const repo = AppDataSource.getRepository(PlanWorkout)
+    for (const plan of plans) {
+      const workouts: PlanWorkout[] = plan.workouts
+        .split(',')
+        .map((workout: string) => ({plansId: plan.id}))
+      repo.save()
+    }
+    await queryRunner.dropColumn('plans', 'workouts')
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<void> {}
+}

plan-day.ts

@@ -0,0 +1,10 @@
+import {Column, Entity, PrimaryColumn} from 'typeorm'
+
+@Entity('plans_days_days')
+export class PlanDay {
+  @PrimaryColumn('int')
+  plansId: number
+
+  @Column('int')
+  daysId: number
+}

plan-workout.ts

@@ -0,0 +1,10 @@
+import {Column, Entity, PrimaryColumn} from 'typeorm'
+
+@Entity('plans_workouts_workouts')
+export class PlanWorkout {
+  @PrimaryColumn('int')
+  plansId: number
+
+  @Column('int')
+  workoutsId: number
+}