сделать поле "продолжительность доступа" у курсов

api/v1/serializers/course.py

@@ -133,7 +133,7 @@ class CourseCreateSerializer(DispatchContentMixin,
             'is_infinite',
             'deferred_start_at',
             'category',
-            'duration',
+            'access_duration',
             'is_featured',
             'url',
             'status',
@@ -286,7 +286,7 @@ class CourseSerializer(DynamicFieldsMixin, serializers.ModelSerializer):
             'is_infinite',
             'deferred_start_at',
             'category',
-            'duration',
+            'access_duration',
             'is_featured',
             'url',
             'status',

apps/course/migrations/0048_auto_20190206_1710.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.0.7 on 2019-02-06 17:10
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('course', '0047_course_old_price'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='course',
+            name='duration',
+            field=models.IntegerField(default=0, verbose_name='Продолжительность доступа к курсу'),
+        ),
+    ]

apps/course/migrations/0049_auto_20190207_1551.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.0.7 on 2019-02-07 15:51
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('course', '0048_auto_20190206_1710'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='course',
+            old_name='duration',
+            new_name='access_duration',
+        ),
+    ]

apps/course/models.py

@@ -98,7 +98,7 @@ class Course(BaseModel, DeactivatedMixin):
         null=True, blank=True, validators=[deferred_start_at_validator],
     )
     category = models.ForeignKey('Category', null=True, blank=True, on_delete=models.PROTECT, related_name='courses')
-    duration = models.IntegerField('Продолжительность курса', default=0)
+    access_duration = models.IntegerField('Продолжительность доступа к курсу', default=0)
     is_featured = models.BooleanField(default=False)
     status = models.PositiveSmallIntegerField(
         'Статус', default=DRAFT, choices=STATUS_CHOICES

apps/course/templates/course/course.html

@@ -37,23 +37,27 @@
       {% if has_full_access %}
       <a class="btn btn_light-gray" href="{% url 'course_edit' course.id %}">Редактировать</a>
       {% endif %}
-      {% if course.author != request.user and not paid and course.price %}
+      {% if not is_owner and course.price %}
-      <div>
+        {% if not paid or can_buy_again %}
-        <a href="#"
+        <div>
-          class="btn{% if pending %} btn_gray{% endif %} btn_md"
+          <a href="#"
-          {% if user.is_authenticated %}
+            class="btn{% if pending %} btn_gray{% endif %} btn_md"
-          {% if not pending %}
+            {% if user.is_authenticated %}
-          data-course-buy
+            {% if not pending %}
-          data-popup=".js-popup-course-buy"
+            data-course-buy
-          {% endif %}
+            data-popup=".js-popup-course-buy"
-          {% else %}
+            {% endif %}
-          data-popup=".js-popup-auth"
+            {% else %}
+            data-popup=".js-popup-auth"
+            {% endif %}
+            >{% if pending %}ОЖИДАЕТСЯ ПОДТВЕРЖДЕНИЕ ОПЛАТЫ{% else %}
+              {% if paid and can_buy_again %}ПРОДЛИТЬ ДОСТУП{% else %}КУПИТЬ КУРС{% endif %}
+            {% endif %}</a>
+          {% if not paid %}
+          <a class="main__btn btn btn_stroke-black" href="{% url 'gift-certificates' %}">Подарить другу</a>
           {% endif %}
-          >{% if pending %}ОЖИДАЕТСЯ ПОДТВЕРЖДЕНИЕ ОПЛАТЫ{% else %}КУПИТЬ КУРС{% endif %}</a>
+        </div>
-        {% if not paid %}
-        <a class="main__btn btn btn_stroke-black" href="{% url 'gift-certificates' %}">Подарить другу</a>
         {% endif %}
-      </div>
       {% endif %}
     </div>
     <div
@@ -105,26 +109,41 @@
       </a>
       <div class="course__metas">
         <div class="course__meta meta">
-          <a class="meta__item" title="Продолжительность курса">
-            <div class="meta__icon">
-              <svg class="icon icon-time">
-                <use xlink:href="{% static 'img/sprite.svg' %}#icon-time"></use>
-              </svg>
-            </div>
-            <div class="meta__title">{{ course.duration | rupluralize:"день,дня,дней" }}</div>
-          </a>
           {% if course.price %}
-          <div class="meta__item" title="Цена">
+            {% if paid %}
-            <div class="meta__icon">
+            <a class="meta__item" title="Осталось {{ access_duration | rupluralize:'день,дня,дней' }} доступа к курсу">
-              <svg class="icon icon-money">
+              <div class="meta__icon">
-                <use xlink:href="{% static 'img/sprite.svg' %}#icon-money"></use>
+                <svg class="icon icon-time">
-              </svg>
+                  <use xlink:href="{% static 'img/sprite.svg' %}#icon-time"></use>
-            </div>
+                </svg>
-            <div class="meta__title">
+              </div>
-              {% if course.old_price %}<s>{{ course.old_price|floatformat:"-2" }}₽</s>{% endif %}
+              <div class="meta__title">{{ access_duration | rupluralize:"день,дня,дней" }}</div>
-              {{ course.price|floatformat:"-2" }}₽
+            </a>
+            {% else %}
+            <a class="meta__item" title="Продолжительность доступа к курсу">
+              <div class="meta__icon">
+                <svg class="icon icon-time">
+                  <use xlink:href="{% static 'img/sprite.svg' %}#icon-time"></use>
+                </svg>
+              </div>
+              <div class="meta__title">{{ course.duration | rupluralize:"день,дня,дней" }}</div>
+            </a>
+            {% endif %}
+            <div class="meta__item" title="Цена{% if can_buy_again %} повторной покупки{% endif %}">
+              <div class="meta__icon">
+                <svg class="icon icon-money">
+                  <use xlink:href="{% static 'img/sprite.svg' %}#icon-money"></use>
+                </svg>
+              </div>
+              <div class="meta__title">
+                {% if can_buy_again %}
+                  <s>{{ course.price|floatformat:"-2" }}₽</s>
+                {% else %}
+                  {% if course.old_price %}<s>{{ course.old_price|floatformat:"-2" }}₽</s>{% endif %}
+                {% endif %}
+                <span {% if can_buy_again or course.old_price %}style="color: red;"{% endif %}>{{ course_price|floatformat:"-2" }}₽</span>
+              </div>
             </div>
-          </div>
           {% endif %}
           <div class="meta__item">
             <div class="meta__icon">
@@ -345,3 +364,7 @@
   </div>
 </div>
 {% endblock content %}
+
+{% block foot %}
+{% include "templates/blocks/popup_course_buy.html" %}
+{% endblock foot %}

apps/course/tests/__init__.py

@@ -0,0 +1,8 @@
+# TODO: test_course_access_duration
+'''
+сделать поле "продолжительность доступа" у курсов: автор указывает продолжительность,
+после покупки по истечению указанного кол-ва дней у пользователя нет доступа к курсу,
+но он может его купить с 50% скидкой, при покупке курса появляется надпись "осталось Х дней доступа",
+так же за неделю до окончания можно купить курс еще раз с 50% скидкой, при этом доступ продлевается
+на указанное кол-во дней в продолжительности
+'''

apps/course/views.py

@@ -12,6 +12,7 @@ from django.utils.decorators import method_decorator
 from django.views.decorators.csrf import csrf_exempt
 from django.views.decorators.http import require_http_methods
 from django.utils.translation import gettext as _
+from django.utils.timezone import now
 
 from apps.payment.models import AuthorBalance
 from .models import Course, Like, Lesson, CourseComment, LessonComment
@@ -231,14 +232,21 @@ class CourseView(DetailView):
         context = super().get_context_data(**kwargs)
         if self.request.user.is_authenticated:
             context['next'] = self.request.GET.get('next', None)
-            context['paid'] = self.object.payments.filter(
+            # берем последнюю оплату курса
+            payments = self.object.payments.filter(
                 user=self.request.user,
                 status__in=[
                     Pingback.PINGBACK_TYPE_REGULAR,
                     Pingback.PINGBACK_TYPE_GOODWILL,
                     Pingback.PINGBACK_TYPE_RISK_REVIEWED_ACCEPTED,
-                ],
+            ])
-            ).exists()
+            payment = payments.filter(access_expire__gte=now().date()).order_by('-access_expire').first()
+            context['payment'] = payment
+            context['access_duration'] = ((payment.access_expire - now().date()).days + 1) if payment else self.object.access_duration
+            context['paid'] = bool(payment)
+            context['can_buy_again'] = bool(self.object.price) and (context['access_duration'] < 7 if payment else
+                payments.filter(access_expire__lt=now().date()).exists())
+            context['course_price'] = self.object.price / 2 if context['can_buy_again'] else self.object.price
             context['pending'] = self.object.payments.filter(
                 user=self.request.user,
                 status=Pingback.PINGBACK_TYPE_RISK_UNDER_REVIEW,
@@ -340,6 +348,7 @@ class LessonView(DetailView):
                 Pingback.PINGBACK_TYPE_GOODWILL,
                 Pingback.PINGBACK_TYPE_RISK_REVIEWED_ACCEPTED,
             ],
+            access_expire__gte=now().date(),
         ).exists()
         # если это не автор или админ
         if not (request.user.is_authenticated and

apps/payment/management/commands/fill_access_expired.py

@@ -0,0 +1,18 @@
+from datetime import timedelta
+
+from django.core.management.base import BaseCommand
+from django.db.models import F
+
+from apps.payment.models import CoursePayment
+
+
+class Command(BaseCommand):
+    help = 'Fill payment.access_expire where it is not filled'
+
+    def handle(self, *args, **options):
+
+        for payment in CoursePayment.objects.filter(access_expire__isnull=True):
+            payment.access_expire = payment.created_at.date() + timedelta(days=payment.course.access_duration)
+            payment.save()
+
+

apps/payment/migrations/0031_coursepayment_access_expired.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.0.7 on 2019-02-06 17:10
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('payment', '0030_auto_20190114_1649'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='coursepayment',
+            name='access_expired',
+            field=models.DateField(null=True, verbose_name='Доступ к курсу до даты'),
+        ),
+    ]

apps/payment/migrations/0032_auto_20190207_1233.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.0.7 on 2019-02-07 12:33
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('payment', '0031_coursepayment_access_expired'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='coursepayment',
+            old_name='access_expired',
+            new_name='access_expire',
+        ),
+    ]

apps/payment/models.py

@@ -152,18 +152,15 @@ class Payment(PolymorphicModel):
         elif isinstance(payment, GiftCertificatePayment):
             price = payment.gift_certificate.price
         elif course:
-            price = course.price
+            paid_before = CoursePayment.objects.filter(user=user, course=course, status__in=Payment.PW_PAID_STATUSES).exists()
+            price = course.price / 2 if paid_before else course.price
         else:
             if user:
                 school_payments = SchoolPayment.objects.filter(
                     user=user,
                     date_start__lte=date_start,
                     date_end__gte=date_start,
-                    status__in=[
+                    status__in=Payment.PW_PAID_STATUSES,
-                        Pingback.PINGBACK_TYPE_REGULAR,
-                        Pingback.PINGBACK_TYPE_GOODWILL,
-                        Pingback.PINGBACK_TYPE_RISK_REVIEWED_ACCEPTED,
-                    ],
                 )
                 school_schedules_purchased = school_payments.annotate(
                     joined_weekdays=Func(F('weekdays'), function='unnest', )
@@ -265,6 +262,7 @@ class Payment(PolymorphicModel):
 
 class CoursePayment(Payment):
     course = models.ForeignKey(Course, on_delete=models.CASCADE, verbose_name='Курс', related_name='payments')
+    access_expire = models.DateField('Доступ к курсу до даты', null=True)
 
     class Meta:
         verbose_name = 'Платеж за курс'

apps/payment/views.py

@@ -67,9 +67,14 @@ class CourseBuyView(TemplateView):
         if request.user == course.author:
             messages.error(request, 'Вы не можете приобрести свой курс.')
             return redirect(reverse_lazy('course', args=[course.id]))
+        prev_payment = CoursePayment.objects.filter(user=request.user, course=course,
+                    status__in=Payment.PW_PAID_STATUSES).order_by('-access_expire').first()
+        access_expire = prev_payment.access_expire + timedelta(days=course.access_duration) if prev_payment \
+            else now().date() + timedelta(days=course.access_duration - 1)
         course_payment = CoursePayment.objects.create(
             user=request.user,
             course=course,
+            access_expire=access_expire,
             roistat_visit=roistat_visit,
         )
         if use_bonuses:

project/templates/blocks/popup_course_buy.html

@@ -37,7 +37,7 @@
                   <div class="order__subtitle">Итого:</div>
                   <div class="order__total">
                     <div class="loading-loader"></div>
-                    <span class="order_price_text">{{ course.price }}р.</span>
+                    <span class="order_price_text">{{ course_price }}р.</span>
                   </div>
                 </div>
               </div>
@@ -45,7 +45,8 @@
           </div>
         </div>
         <div class="buy__foot">
-          <a class="buy__btn btn btn_md but_btn_popup" data-link="{% url 'course-checkout' course.id %}" data-price="{{ course.price }}">КУПИТЬ КУРС</a>
+          <a class="buy__btn btn btn_md but_btn_popup" data-link="{% url 'course-checkout' course.id %}"
+             data-price="{{ course_price }}">{% if paid and can_buy_again %}ПРОДЛИТЬ ДОСТУП{% else %}КУПИТЬ КУРС{% endif %}</a>
         </div>
       </div>
     </div>

project/templates/lilcity/index.html

@@ -137,9 +137,6 @@
       {% include "templates/blocks/footer.html" %}
       {% include "templates/blocks/popup_auth.html" %}
       {% include "templates/blocks/popup_school_buy.html" %}
-      {% if course %}
-      {% include "templates/blocks/popup_course_buy.html" %}
-      {% endif %}
       {% if is_gift_certificate_url %}
       {% include "templates/blocks/popup_gift_certificate.html" %}
       {% endif %}

web/src/components/CourseRedactor.vue

@@ -67,16 +67,6 @@
                   </div>
                 </div> -->
 
-                <div class="info__field field field_info" v-if="!live"
-                     v-bind:class="{ error: ($v.course.duration.$dirty || showErrors) && $v.course.duration.$invalid }">
-                  <div class="field__label field__label_gray">ПРОДОЛЖИТЕЛЬНОСТЬ</div>
-                  <div class="field__wrap field__wrap__appended">
-                    <input type="text" class="field__input field__input__appended" v-model.number="course.duration"
-                           @input="$v.course.duration.$touch()">
-                    <button disabled class="field__append">{{pluralize(course.duration, ['день', 'дня', 'дней'])}}</button>
-                  </div>
-                </div>
-
                 <div v-if="!live" class="info__field field">
                   <div class="field__label field__label_gray">ДОСТУП</div>
                   <div class="field__wrap">
@@ -91,18 +81,31 @@
                   </div>
                 </div>
 
-                <div v-if="course.is_paid" class="info__field field">
+                <div class="info__field field field_info" v-if="!live && course.is_paid"
-                  <div class="field__label field__label_gray">СТОИМОСТЬ</div>
+                     v-bind:class="{ error: ($v.course.access_duration.$dirty || showErrors)
-                  <div class="field__wrap field__wrap__appended field__wrap__100px">
+                     && $v.course.access_duration.$invalid }">
-                    <input type="text" class="field__input field__input__appended" v-model.number.lazy="displayPrice">
+                  <div class="field__label field__label_gray">ПРОДОЛЖИТЕЛЬНОСТЬ ДОСТУПА</div>
-                    <button disabled class="field__append">руб.</button>
+                  <div class="field__wrap field__wrap__appended">
+                    <input type="text" class="field__input field__input__appended" v-model.number="course.access_duration"
+                           @input="$v.course.access_duration.$touch()">
+                    <button disabled class="field__append">{{pluralize(course.access_duration, ['день', 'дня', 'дней'])}}</button>
                   </div>
                 </div>
-                <div v-if="course.is_paid" class="info__field field">
+
-                  <div class="field__label field__label_gray">СТОИМОСТЬ БЕЗ СКИДКИ</div>
+                <div style="display: flex;">
-                  <div class="field__wrap field__wrap__appended field__wrap__100px">
+                  <div v-if="course.is_paid" class="info__field field">
-                    <input type="text" class="field__input field__input__appended" v-model.number.lazy="displayOldPrice">
+                    <div class="field__label field__label_gray">СТОИМОСТЬ</div>
-                    <button disabled class="field__append">руб.</button>
+                    <div class="field__wrap field__wrap__appended" style="width: 120px;">
+                      <input type="text" class="field__input field__input__appended" v-model.number.lazy="displayPrice">
+                      <button disabled class="field__append">руб.</button>
+                    </div>
+                  </div>
+                  <div v-if="course.is_paid" class="info__field field" style="margin-left: 10px;">
+                    <div class="field__label field__label_gray">СТОИМОСТЬ БЕЗ СКИДКИ</div>
+                    <div class="field__wrap field__wrap__appended">
+                      <input type="text" class="field__input field__input__appended" v-model.number.lazy="displayOldPrice">
+                      <button disabled class="field__append">руб.</button>
+                    </div>
                   </div>
                 </div>
                 <div v-if="!live" class="info__field field">
@@ -269,7 +272,7 @@
                     status: null,
                     category: null,
                     categorySelect: null,
-                    duration: null,
+                    access_duration: null,
                     author: null,
                     price: null,
                     old_price: null,
@@ -377,7 +380,7 @@
                     short_description: "Краткое описание",
                     stream: "Ссылка на Vimeo",
                     date: "Дата",
-                    duration: "Продолжительность",
+                    access_duration: "Продолжительность доступа",
                     category: "Категория",
                 },
                 lessonFields: {
@@ -420,8 +423,7 @@
                         short_description: {
                             required
                         },
-                        duration: {
+                        access_duration: {
-                            required,
                             numeric,
                             minValue: minValue(1)
                         },
@@ -600,7 +602,7 @@
                 this.lessons = data.lessons.map((lessonJson) => {
                     return api.convertLessonJson(lessonJson);
                 });
-                this.course.duration = this.course.duration || '';
+                this.course.access_duration = this.course.access_duration || '';
             },
             loadCourseDraft() {
                 //console.log('loadCourseDraft');

web/src/js/modules/api.js

@@ -111,7 +111,7 @@ export const api = {
             old_price: courseObject.is_paid && courseObject.old_price || 0,
             age: courseObject.age,
             deferred_start_at: deferredStart,
-            duration: courseObject.duration || 0,
+            access_duration: courseObject.is_paid && courseObject.access_duration || 0,
             is_featured: courseObject.is_featured,
             slug: (courseObject.slug || '').toLowerCase(),
             date: (courseObject.date) ? courseObject.date.value:null,
@@ -192,7 +192,7 @@ export const api = {
             is_deferred: isDeferred,
             date: deferredDate || courseJSON.date,
             time: deferredTime,
-            duration: courseJSON.duration,
+            access_duration: courseJSON.access_duration,
             is_featured: courseJSON.is_featured,
             slug: courseJSON.slug,
             stream: courseJSON.stream,