feat: регистрация продавца (FR-01) + палитра B (зелёный/янтарь)

apps/accounts/views.py

@@ -1,3 +1,114 @@
-from django.shortcuts import render
+from datetime import date
 
-# Create your views here.
+from django.contrib.contenttypes.models import ContentType
+from django.shortcuts import redirect, render
+from django.urls import reverse
+
+from apps.accounts.forms import SellerStep1Form, SellerStep2Form, SellerStep3Form
+from apps.accounts.models import Role, User
+from apps.catalog.models import Brand, VerificationStatus
+from apps.moderation.models import AuditLog, ModerationRequest
+
+SESSION_KEY = 'seller_registration'
+
+
+def _get_session_data(request):
+    return request.session.get(SESSION_KEY, {})
+
+
+def seller_register(request):
+    """Многошаговая регистрация продавца (FR-01)."""
+
+    step = int(request.GET.get('step', 1))
+    data = _get_session_data(request)
+
+    if step == 1:
+        form = SellerStep1Form(request.POST or None)
+        if request.method == 'POST' and form.is_valid():
+            cleaned = form.cleaned_data
+            # date нельзя сериализовать в сессию (JSON) — храним ISO-строку.
+            cleaned['birth_date'] = cleaned['birth_date'].isoformat()
+            data['step1'] = cleaned
+            request.session[SESSION_KEY] = data
+            return redirect(reverse('accounts:seller_register') + '?step=2')
+        return render(request, 'accounts/seller_register.html', {
+            'form': form, 'step': 1, 'total_steps': 3,
+        })
+
+    if step == 2:
+        if 'step1' not in data:
+            return redirect(reverse('accounts:seller_register'))
+        form = SellerStep2Form(request.POST or None)
+        if request.method == 'POST' and form.is_valid():
+            data['step2'] = form.cleaned_data
+            request.session[SESSION_KEY] = data
+            return redirect(reverse('accounts:seller_register') + '?step=3')
+        return render(request, 'accounts/seller_register.html', {
+            'form': form, 'step': 2, 'total_steps': 3,
+        })
+
+    if step == 3:
+        if 'step1' not in data or 'step2' not in data:
+            return redirect(reverse('accounts:seller_register'))
+        form = SellerStep3Form(request.POST or None, request.FILES or None)
+        if request.method == 'POST' and form.is_valid():
+            _create_seller(request, data, form.cleaned_data)
+            request.session.pop(SESSION_KEY, None)
+            return redirect(reverse('accounts:seller_register_done'))
+        return render(request, 'accounts/seller_register.html', {
+            'form': form, 'step': 3, 'total_steps': 3,
+        })
+
+    return redirect(reverse('accounts:seller_register'))
+
+
+def _create_seller(request, data, step3):
+    s1 = data['step1']
+    s2 = data['step2']
+
+    user = User.objects.create_user(
+        username=s1['username'],
+        email=s1.get('email', ''),
+        password=s1['password1'],
+        role=Role.SELLER,
+        full_name=s1['full_name'],
+        birth_date=date.fromisoformat(s1['birth_date']),
+        region=s1['region'],
+        pd_consent=step3['pd_consent'],
+    )
+
+    socials = [
+        line.strip()
+        for line in s2.get('socials', '').splitlines()
+        if line.strip()
+    ]
+
+    brand = Brand.objects.create(
+        user=user,
+        name=s2['brand_name'],
+        legal_status=s2['legal_status'],
+        inn=s2.get('inn', ''),
+        city=s2.get('city', ''),
+        region=s1['region'],
+        socials=socials,
+        story=s2.get('story', ''),
+        production_photo=step3.get('production_photo'),
+        statement_doc=step3.get('statement_doc'),
+        verification_status=VerificationStatus.PENDING,
+    )
+
+    ModerationRequest.objects.create(
+        content_type=ContentType.objects.get_for_model(Brand),
+        object_id=brand.pk,
+        decision='pending',
+    )
+    AuditLog.objects.create(
+        user=user,
+        action='seller_registered',
+        object_repr=f'Бренд «{brand.name}»',
+    )
+    return user, brand
+
+
+def seller_register_done(request):
+    return render(request, 'accounts/seller_register_done.html')