Add weekly new products email and related features

Introduces a weekly summary email for newly added products, including a new email template and Celery periodic task. Adds 'include_in_week_summary_email' to Product and 'newsletter' to CustomUser. Provides an admin endpoint to manually trigger the weekly email, updates Celery Beat schedule, and adds email templates for verification and password reset.

backend/account/models.py

@@ -63,6 +63,7 @@ class CustomUser(SoftDeleteModel, AbstractUser):
     email_verification_token = models.CharField(max_length=128, null=True, blank=True, db_index=True)
     email_verification_sent_at = models.DateTimeField(null=True, blank=True)
 
+    newsletter = models.BooleanField(default=True)
 
     #misc
     gdpr = models.BooleanField(default=False)

backend/account/views.py

@@ -406,3 +406,6 @@ class PasswordResetConfirmView(APIView):
             user.save()
             return Response({"detail": "Heslo bylo úspěšně změněno."})
         return Response(serializer.errors, status=400)
+    
+
+

backend/advertisement/tasks.py

@@ -1,9 +1,13 @@
+from venv import create
 from account.tasks import send_email_with_context
 from configuration.models import SiteConfiguration
 
 from celery import shared_task
 from celery.schedules import crontab
 
+from commerce.models import Product
+import datetime
+
 @shared_task
 def send_contact_me_email_task(client_email, message_content):
     context = {
@@ -18,13 +22,28 @@ def send_contact_me_email_task(client_email, message_content):
     )
 
 
-def send_newly_added_items_to_store_email_task_last_week(item_id):
+@shared_task
+def send_newly_added_items_to_store_email_task_last_week():
+    last_week_date = datetime.datetime.now() - datetime.timedelta(days=7)
+
+    """
+    __lte -> Less than or equal
+    __gte -> Greater than or equal
+    __lt -> Less than
+    __gt -> Greater than
+    """
+
+    products_of_week = Product.objects.filter(
+        include_in_week_summary_email=True,
+        created_at__gte=last_week_date
+    )
     
     send_email_with_context(
         recipients=SiteConfiguration.get_solo().contact_email,
         subject="Nový produkt přidán do obchodu",
-        template_path="email/new_item_added.html",
+        template_path="email/advertisement/commerce/new_items_added_this_week.html",
         context={
-            "item": item,
+            "products_of_week": products_of_week,
         }
     )
+

backend/advertisement/templates/email/advertisement/commerce/new_items_added_this_week.html

@@ -0,0 +1,83 @@
+<style>
+    .summary {
+        background-color: #e3f2fd;
+        padding: 15px;
+        border-radius: 6px;
+        margin-bottom: 20px;
+        text-align: center;
+        font-family: Arial, sans-serif;
+    }
+    .product-item {
+        border-bottom: 1px solid #eee;
+        padding: 15px 0;
+        font-family: Arial, sans-serif;
+    }
+    .product-item:last-child {
+        border-bottom: none;
+    }
+    .product-name {
+        font-weight: bold;
+        font-size: 16px;
+        color: #333;
+        margin-bottom: 8px;
+    }
+    .product-price {
+        font-size: 14px;
+        color: #007bff;
+        font-weight: bold;
+        margin-bottom: 5px;
+    }
+    .product-description {
+        color: #666;
+        font-size: 13px;
+        margin-bottom: 8px;
+    }
+    .product-date {
+        color: #999;
+        font-size: 12px;
+    }
+    .no-products {
+        text-align: center;
+        color: #666;
+        font-style: italic;
+        padding: 30px;
+        font-family: Arial, sans-serif;
+    }
+</style>
+
+<h2 style="color: #007bff; margin: 0 0 20px 0;">🆕 Nové produkty v obchodě</h2>
+<p style="margin: 0 0 20px 0;">Týdenní přehled nově přidaných produktů</p>
+
+<div class="summary">
+    <h3 style="margin: 0 0 10px 0;">📊 Celkem nových produktů: {{ products_of_week|length }}</h3>
+    <p style="margin: 0;">Přehled produktů přidaných za posledních 7 dní</p>
+</div>
+
+{% if products_of_week %}
+    {% for product in products_of_week %}
+        <div class="product-item">
+            <div class="product-name">{{ product.name }}</div>
+            
+            {% if product.price %}
+                <div class="product-price">
+                    {{ product.price|floatformat:0 }} {{ product.currency|default:"Kč" }}
+                </div>
+            {% endif %}
+            
+            {% if product.short_description %}
+                <div class="product-description">
+                    {{ product.short_description|truncatewords:20 }}
+                </div>
+            {% endif %}
+            
+            <div class="product-date">
+                Přidáno: {{ product.created_at|date:"d.m.Y H:i" }}
+            </div>
+        </div>
+    {% endfor %}
+{% else %}
+    <div class="no-products">
+        <h3 style="margin: 0 0 15px 0;">🤷‍♂️ Žádné nové produkty</h3>
+        <p style="margin: 0;">Za posledních 7 dní nebyly přidány žádné nové produkty, které by měly být zahrnuty do týdenního přehledu.</p>
+    </div>
+{% endif %}

backend/advertisement/urls.py

@@ -1,7 +1,7 @@
 from django.urls import path, include
 from rest_framework.routers import DefaultRouter
 
-from .views import ContactMePublicView, ContactMeAdminViewSet
+from .views import ContactMePublicView, ContactMeAdminViewSet, trigger_weekly_email
 
 router = DefaultRouter()
 router.register(r"contact-messages", ContactMeAdminViewSet, basename="contactme")
@@ -12,4 +12,5 @@ urlpatterns = [
 
     # Admin endpoints
     path("", include(router.urls)),
+    path("trigger-weekly-email/", trigger_weekly_email, name="trigger-weekly-email"),
 ]

backend/advertisement/views.py

@@ -3,11 +3,12 @@ from rest_framework.response import Response
 from rest_framework import status, viewsets
 from rest_framework.permissions import AllowAny, IsAdminUser
 from rest_framework.authentication import SessionAuthentication
+from rest_framework.decorators import api_view, permission_classes
 from drf_spectacular.utils import extend_schema, extend_schema_view
 
 from .models import ContactMe
 from .serializer import ContactMeSerializer
-from .tasks import send_contact_me_email_task
+from .tasks import send_contact_me_email_task, send_newly_added_items_to_store_email_task_last_week
 
 
 @extend_schema(tags=["advertisement", "public"])
@@ -54,3 +55,32 @@ class ContactMeAdminViewSet(viewsets.ModelViewSet):
 	serializer_class = ContactMeSerializer
 	permission_classes = [IsAdminUser]
 
+
+@extend_schema(
+	tags=["advertisement"],
+	summary="Manually trigger weekly new items email",
+	description="Triggers the weekly email task that sends a summary of newly added products from the last week. Only accessible by admin users.",
+	methods=["POST"]
+)
+@api_view(['POST'])
+@permission_classes([IsAdminUser])
+def trigger_weekly_email(request):
+	"""
+	Manually trigger the weekly new items email task.
+	Only accessible by admin users.
+	"""
+	try:
+		# Trigger the task asynchronously
+		task = send_newly_added_items_to_store_email_task_last_week.delay()
+		
+		return Response({
+			'success': True,
+			'message': 'Weekly email task triggered successfully',
+			'task_id': task.id
+		}, status=status.HTTP_200_OK)
+	
+	except Exception as e:
+		return Response({
+			'success': False,
+			'message': f'Failed to trigger weekly email task: {str(e)}'
+		}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)

backend/commerce/models.py

@@ -94,6 +94,8 @@ class Product(models.Model):
         "Carrier", on_delete=models.SET_NULL, null=True, blank=True, related_name="default_for_products"
     )
 
+    include_in_week_summary_email = models.BooleanField(default=False)
+
     created_at = models.DateTimeField(auto_now_add=True)
     updated_at = models.DateTimeField(auto_now=True)
 

backend/templates/email/email_verification.html

@@ -0,0 +1,78 @@
+<style>
+    .verification-container {
+        text-align: center;
+        font-family: Arial, sans-serif;
+        padding: 20px 0;
+    }
+    .verification-title {
+        color: #333;
+        font-size: 24px;
+        margin: 0 0 20px 0;
+        font-weight: bold;
+    }
+    .verification-text {
+        color: #666;
+        font-size: 16px;
+        line-height: 1.5;
+        margin: 0 0 30px 0;
+    }
+    .verification-button {
+        display: inline-block;
+        background-color: #28a745;
+        color: white !important;
+        text-decoration: none;
+        padding: 12px 30px;
+        border-radius: 5px;
+        font-weight: bold;
+        font-size: 16px;
+        margin: 0 0 20px 0;
+    }
+    .verification-info {
+        color: #0c5460;
+        background-color: #d1ecf1;
+        border: 1px solid #bee5eb;
+        border-radius: 4px;
+        padding: 15px;
+        margin: 20px 0;
+        font-size: 14px;
+    }
+    .welcome-note {
+        color: #333;
+        background-color: #f8f9fa;
+        border-left: 4px solid #28a745;
+        padding: 15px;
+        margin: 20px 0;
+        font-size: 15px;
+        text-align: left;
+    }
+</style>
+
+<div class="verification-container">
+    <h1 class="verification-title">✉️ Ověření e-mailové adresy</h1>
+    
+    <p class="verification-text">
+        Vítejte {{ user.first_name|default:user.username }}!<br><br>
+        Děkujeme za registraci. Pro dokončení vytvoření účtu je nutné 
+        ověřit vaši e-mailovou adresu kliknutím na tlačítko níže.
+    </p>
+    
+    <a href="{{ action_url }}" class="verification-button">{{ cta_label }}</a>
+    
+    <div class="welcome-note">
+        <strong>🎉 Těšíme se na vás!</strong><br>
+        Po ověření e-mailu budete moci využívat všechny funkce naší platformy 
+        a začít nakupovat nebo prodávat.
+    </div>
+    
+    <div class="verification-info">
+        <strong>ℹ️ Co dělat, když tlačítko nefunguje?</strong><br>
+        Zkopírujte a vložte následující odkaz do adresního řádku prohlížeče:
+        <br><br>
+        <span style="word-break: break-all; font-family: monospace; font-size: 12px;">{{ action_url }}</span>
+    </div>
+    
+    <p class="verification-text" style="font-size: 14px; color: #999;">
+        Odkaz pro ověření je platný po omezenou dobu. 
+        Pokud jste se neregistrovali na našich stránkách, ignorujte tento e-mail.
+    </p>
+</div>

backend/templates/email/password_reset.html

@@ -0,0 +1,75 @@
+<style>
+    .reset-container {
+        text-align: center;
+        font-family: Arial, sans-serif;
+        padding: 20px 0;
+    }
+    .reset-title {
+        color: #333;
+        font-size: 24px;
+        margin: 0 0 20px 0;
+        font-weight: bold;
+    }
+    .reset-text {
+        color: #666;
+        font-size: 16px;
+        line-height: 1.5;
+        margin: 0 0 30px 0;
+    }
+    .reset-button {
+        display: inline-block;
+        background-color: #007bff;
+        color: white !important;
+        text-decoration: none;
+        padding: 12px 30px;
+        border-radius: 5px;
+        font-weight: bold;
+        font-size: 16px;
+        margin: 0 0 20px 0;
+    }
+    .reset-warning {
+        color: #856404;
+        background-color: #fff3cd;
+        border: 1px solid #ffeaa7;
+        border-radius: 4px;
+        padding: 15px;
+        margin: 20px 0;
+        font-size: 14px;
+    }
+    .security-note {
+        color: #999;
+        font-size: 12px;
+        margin-top: 20px;
+    }
+</style>
+
+<div class="reset-container">
+    <h1 class="reset-title">🔐 Obnova hesla</h1>
+    
+    <p class="reset-text">
+        Dobrý den {{ user.first_name|default:user.username }},<br><br>
+        Obdrželi jsme požadavek na obnovení hesla k vašemu účtu. 
+        Klikněte na tlačítko níže pro vytvoření nového hesla.
+    </p>
+    
+    <a href="{{ action_url }}" class="reset-button">{{ cta_label }}</a>
+    
+    <div class="reset-warning">
+        <strong>⚠️ Bezpečnostní upozornění:</strong><br>
+        Pokud jste o obnovu hesla nepožádali, ignorujte tento e-mail. 
+        Váše heslo zůstane nezměněno.
+    </div>
+    
+    <p class="reset-text">
+        Odkaz pro obnovu hesla je platný pouze po omezenou dobu.
+        Pokud odkaz nefunguje, zkopírujte a vložte následující adresu do prohlížeče:
+    </p>
+    
+    <p style="word-break: break-all; color: #007bff; font-size: 14px;">
+        {{ action_url }}
+    </p>
+    
+    <p class="security-note">
+        Tento odkaz je určen pouze pro vás a nelze ho sdílet s ostatními.
+    </p>
+</div>

backend/vontor_cz/settings.py

@@ -19,6 +19,7 @@ from django.db import OperationalError, connections
 from datetime import timedelta
 import json
 
+from celery.schedules import crontab
 from dotenv import load_dotenv
 load_dotenv()  # Pouze načte proměnné lokálně, pokud nejsou dostupné
 
@@ -508,6 +509,14 @@ CELERY_TASK_SERIALIZER = os.getenv("CELERY_TASK_SERIALIZER", "json")
 CELERY_RESULT_SERIALIZER = os.getenv("CELERY_RESULT_SERIALIZER", "json")
 CELERY_TIMEZONE = os.getenv("CELERY_TIMEZONE", TIME_ZONE)
 CELERY_BEAT_SCHEDULER = os.getenv("CELERY_BEAT_SCHEDULER")
+
+# Celery Beat Schedule for periodic tasks
+CELERY_BEAT_SCHEDULE = {
+    'send-weekly-new-items-email': {
+        'task': 'advertisement.tasks.send_newly_added_items_to_store_email_task_last_week',
+        'schedule': crontab(hour=9, minute=0, day_of_week=1),  # Every Monday at 9:00 AM
+    },
+}
 #-------------------------------------END CELERY 📅------------------------------------