feat: exams,accounts의 view 구현 및 기존 exams 모델의 name 수정

accounts/forms.py

@@ -45,6 +45,19 @@ def __init__(self, *args, **kwargs):
                 'placeholder': '비밀번호를 한번 더 입력하세요',
             })
 
+    def clean_email(self):
+        email = self.cleaned_data.get('email')
+        if User.objects.filter(email=email).exists():
+            raise forms.ValidationError('이미 가입된 이메일입니다.')
+        return email
+
+    def save(self, commit=True):
+        user = super().save(commit=False)
+        user.username = self.cleaned_data['email']
+        if commit:
+            user.save()
+        return user
+
 
 class CustomAuthenticationForm(AuthenticationForm):
     """

accounts/tests.py

@@ -1,3 +1,48 @@
 from django.test import TestCase
+from django.urls import reverse
+from django.contrib.auth import get_user_model
 
-# Create your tests here.
+User = get_user_model()
+
+
+class SignupTests(TestCase):
+    def test_signup_with_different_emails_succeeds_each_time(self):
+        """서로 다른 이메일로 회원가입을 두 번 해도 둘 다 정상 생성되어야 한다."""
+        response1 = self.client.post(reverse('accounts:signup'), {
+            'email': 'user1@example.com',
+            'nickname': '유저1',
+            'password1': 'StrongPass123!',
+            'password2': 'StrongPass123!',
+        })
+        response2 = self.client.post(reverse('accounts:signup'), {
+            'email': 'user2@example.com',
+            'nickname': '유저2',
+            'password1': 'StrongPass123!',
+            'password2': 'StrongPass123!',
+        })
+
+        self.assertEqual(response1.status_code, 302)
+        self.assertEqual(response2.status_code, 302)
+        self.assertEqual(User.objects.count(), 2)
+
+        user1 = User.objects.get(email='user1@example.com')
+        user2 = User.objects.get(email='user2@example.com')
+        # username에 email이 채워지고 서로 달라 unique 제약을 통과해야 함
+        self.assertEqual(user1.username, 'user1@example.com')
+        self.assertEqual(user2.username, 'user2@example.com')
+
+    def test_signup_with_duplicate_email_fails(self):
+        User.objects.create_user(
+            username='user1@example.com', email='user1@example.com', password='StrongPass123!'
+        )
+        response = self.client.post(reverse('accounts:signup'), {
+            'email': 'user1@example.com',
+            'nickname': '중복유저',
+            'password1': 'StrongPass123!',
+            'password2': 'StrongPass123!',
+        })
+        self.assertEqual(response.status_code, 200)  # 에러와 함께 폼 재렌더링
+        self.assertEqual(User.objects.count(), 1)
+        self.assertFormError(
+            response.context['form'], 'email', '이미 가입된 이메일입니다.'
+        )

accounts/views.py

@@ -1,3 +1,68 @@
-from django.shortcuts import render
+from django.shortcuts import render, redirect
+from django.contrib.auth import login, logout
+from django.views.decorators.http import require_http_methods
 
-# Create your views here.
+from .forms import CustomUserCreationForm, CustomAuthenticationForm
+
+
+# ==========================================
+# 1. 회원가입 뷰 (Signup)
+# ==========================================
+@require_http_methods(["GET", "POST"])
+def signup_view(request):
+    """
+    URL: /accounts/signup/
+    템플릿: accounts/signup.html
+    """
+    if request.user.is_authenticated:
+        return redirect('/')
+
+    if request.method == 'POST':
+        form = CustomUserCreationForm(request.POST)
+        if form.is_valid():
+            form.save()
+            return redirect('accounts:login')
+        # form.is_valid()가 False면 에러가 담긴 form을 내려보냄
+    else:
+        form = CustomUserCreationForm()
+
+    context = {'form': form}
+    return render(request, 'accounts/signup.html', context)
+
+
+# ==========================================
+# 2. 로그인 뷰 (Login)
+# ==========================================
+@require_http_methods(["GET", "POST"])
+def login_view(request):
+    """
+    URL: /accounts/login/
+    템플릿: accounts/login.html
+    """
+    if request.user.is_authenticated:
+        return redirect('/')
+
+    if request.method == 'POST':
+        form = CustomAuthenticationForm(request, data=request.POST)
+        if form.is_valid():
+            user = form.get_user()
+            login(request, user)
+            next_url = request.POST.get('next') or request.GET.get('next') or '/'
+            return redirect(next_url)
+    else:
+        form = CustomAuthenticationForm()
+
+    context = {'form': form}
+    return render(request, 'accounts/login.html', context)
+
+
+# ==========================================
+# 3. 로그아웃 뷰 (Logout)
+# ==========================================
+@require_http_methods(["POST"])
+def logout_view(request):
+    """
+    URL: /accounts/logout/
+    """
+    logout(request)
+    return redirect('accounts:login')

exams/forms.py

@@ -108,9 +108,9 @@ def save(self, commit=True):
 class ExamForm(forms.ModelForm):
     class Meta:
         model = Exam
-        fields = ['name', 'exam_date', 'priority']
+        fields = ['subject_name', 'exam_date', 'priority']
         widgets = {
-            'name': forms.TextInput(attrs={
+            'subject_name': forms.TextInput(attrs={
                 'class': 'form-control',
                 'placeholder': '예: 신호및시스템, 공학수학'
             }),

exams/migrations/0002_studymaterial_analysis_error_message_and_more.py

@@ -0,0 +1,28 @@
+# Generated by Django 5.2.16 on 2026-08-01 06:23
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('exams', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='studymaterial',
+            name='analysis_error_message',
+            field=models.TextField(blank=True, null=True, verbose_name='AI 분석 실패 사유'),
+        ),
+        migrations.AddField(
+            model_name='studymaterial',
+            name='analysis_retry_count',
+            field=models.PositiveSmallIntegerField(default=0, verbose_name='AI 분석 사용자 재시도 횟수'),
+        ),
+        migrations.AddField(
+            model_name='studymaterial',
+            name='analysis_status',
+            field=models.CharField(choices=[('pending', '대기 중'), ('processing', '처리 중'), ('completed', '완료'), ('failed', '실패')], default='pending', max_length=20, verbose_name='AI 분석 상태'),
+        ),
+    ]

exams/models.py

@@ -48,7 +48,7 @@ def __str__(self):
 
 class AvailableTime(models.Model):
     """
-    시험기간 내 날짜별 전체 공부 가능시간 
+    시험기간 내 날짜별 전체 공부 가능시간
     """
     exam_period = models.ForeignKey(
         ExamPeriod,
@@ -72,7 +72,7 @@ def __str__(self):
 
 class Exam(models.Model):
     """
-    개별 시험 과목 모델 
+    개별 시험 과목 모델
     """
     exam_period = models.ForeignKey(
         ExamPeriod,
@@ -98,7 +98,7 @@ class Meta:
         ordering = ['exam_date']
 
     def __str__(self):
-        return f"{self.name} ({self.exam_date})"
+        return f"{self.subject_name} ({self.exam_date})"
 
 
 class StudyMaterial(models.Model):
@@ -127,19 +127,32 @@ class StudyMaterial(models.Model):
         verbose_name="텍스트 추출 상태"
     )
     error_message = models.TextField(null=True, blank=True, verbose_name="추출/파싱 실패 원인")
+
+    # AI 분석(E-AI-01/02/03) 상태 - 위 status/error_message(텍스트 추출)와는 별개 필드.
+    # 리뷰 확정 사항: 텍스트 추출 성공 여부와 AI 분석 성공 여부는 서로 다른 단계라 분리한다.
+    analysis_status = models.CharField(
+        max_length=20,
+        choices=MaterialStatus.choices,
+        default=MaterialStatus.PENDING,
+        verbose_name="AI 분석 상태"
+    )
+    analysis_error_message = models.TextField(null=True, blank=True, verbose_name="AI 분석 실패 사유")
+    analysis_retry_count = models.PositiveSmallIntegerField(default=0, verbose_name="AI 분석 사용자 재시도 횟수")
+
     created_at = models.DateTimeField(auto_now_add=True, verbose_name="생성일시")
+
     class Meta:
         db_table = 'study_materials'
         verbose_name = '학습 자료'
         verbose_name_plural = '학습 자료 목록'
 
     def __str__(self):
-        return f"[{self.exam.name}] {self.title}"
+        return f"[{self.exam.subject_name}] {self.title}"
 
 
 class StudyTask(models.Model):
     """
-    하루 학습 분량 
+    하루 학습 분량
     """
     exam = models.ForeignKey(
         Exam,
@@ -211,4 +224,4 @@ def save(self, *args, **kwargs):
         super().save(*args, **kwargs)
 
     def __str__(self):
-        return f"[{self.exam.name}] {self.title}"
+        return f"[{self.exam.subject_name}] {self.title}"