feat: add medical test entities

src/modules/submissions/entities/submission-answer.entity.ts

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+import { Column, Entity, ManyToOne, PrimaryGeneratedColumn } from 'typeorm';
+import { Submission } from './submission.entity';
+import { Question } from '@/modules/questions/entities/question.entity';
+import { Choice } from '@/modules/questions/entities/choice.entity';
+
+@Entity()
+export class SubmissionAnswer {
+  @PrimaryGeneratedColumn()
+  id: number;
+
+  @ManyToOne(() => Submission, (submission) => submission.answers, {
+    onDelete: 'CASCADE',
+  })
+  submission: Submission;
+
+  @ManyToOne(() => Question, { onDelete: 'CASCADE' })
+  question: Question;
+
+  @ManyToOne(() => Choice, { nullable: true, onDelete: 'CASCADE' })
+  choice?: Choice;
+
+  @Column({ type: 'int', nullable: true })
+  numericValue?: number;
+
+  @Column({
+    type: 'varchar',
+    length: 255,
+    nullable: true,
+  })
+  textValue?: string;
+}

src/modules/submissions/entities/submission-result.entity.ts

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+import {
+  Check,
+  Column,
+  CreateDateColumn,
+  Entity,
+  ManyToOne,
+  PrimaryGeneratedColumn,
+} from 'typeorm';
+import { Submission } from './submission.entity';
+import { ResultRange } from '@/modules/scoring/entities/result-range.entity';
+
+@Entity()
+@Check(`"probability" >= 0 AND "probability" <= 100`)
+export class SubmissionResult {
+  @PrimaryGeneratedColumn()
+  id: number;
+
+  @ManyToOne(() => Submission, { onDelete: 'CASCADE' })
+  submission: Submission;
+
+  @Column({ type: 'int', nullable: false })
+  score: number;
+
+  @Column({ type: 'int', nullable: false })
+  probability: number;
+
+  @ManyToOne(() => ResultRange, { onDelete: 'CASCADE' })
+  resultRange: ResultRange;
+
+  @CreateDateColumn()
+  createdAt: Date;
+}

src/modules/submissions/entities/submission.entity.ts

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+import { Test } from '@/modules/tests/entities/test.entity';
+import { User } from '@/modules/users/entities/user.entity';
+import {
+  Column,
+  CreateDateColumn,
+  Entity,
+  ManyToOne,
+  OneToMany,
+  PrimaryGeneratedColumn,
+} from 'typeorm';
+import { SubmissionStatus } from '../enums/submission-status.enum';
+import { SubmissionAnswer } from './submission-answer.entity';
+
+@Entity()
+export class Submission {
+  @PrimaryGeneratedColumn()
+  id: number;
+
+  @ManyToOne(() => User, { nullable: true, onDelete: 'SET NULL' })
+  user?: User;
+
+  @ManyToOne(() => Test, { onDelete: 'CASCADE' })
+  test: Test;
+
+  @Column({
+    type: 'enum',
+    enum: SubmissionStatus,
+    default: SubmissionStatus.IN_PROGRESS,
+  })
+  status: SubmissionStatus;
+
+  @OneToMany(() => SubmissionAnswer, (answer) => answer.submission)
+  answers: Array<SubmissionAnswer>;
+
+  @CreateDateColumn()
+  createdAt: Date;
+}

src/modules/submissions/enums/submission-status.enum.ts

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+export enum SubmissionStatus {
+  IN_PROGRESS = 'in-progress',
+  COMPLETED = 'completed',
+}

src/modules/submissions/submissions.module.ts

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+import { Module } from '@nestjs/common';
+import { TypeOrmModule } from '@nestjs/typeorm';
+import { Submission } from './entities/submission.entity';
+import { SubmissionAnswer } from './entities/submission-answer.entity';
+import { SubmissionResult } from './entities/submission-result.entity';
+
+@Module({
+  imports: [
+    TypeOrmModule.forFeature([Submission, SubmissionAnswer, SubmissionResult]),
+  ],
+})
+export class SubmissionsModule {}