Basic newsletter importing

website/newsletters/management/commands/migratenewsletters.py

+import requests
+import re
+from bs4 import BeautifulSoup
+
+from datetime import datetime
+from django.core.management.base import BaseCommand
+from newsletters.models import Newsletter, NewsletterItem, NewsletterEvent
+
+
+class Command(BaseCommand):
+    help = 'Scrapes the newsletters from the old Thalia website'
+
+    def handle(self, *args, **options):
+        year_range = range(2015, 2017)
+        week_range = range(1, 53)
+        url = "https://thalia.nu/nieuwsbrief/{}/{:02d}/nieuwsbrief.html"
+
+        NewsletterItem.objects.all().delete()
+        NewsletterEvent.objects.all().delete()
+        Newsletter.objects.all().delete()
+
+        session = requests.Session()
+
+        for year in year_range:
+            for week in week_range:
+                request = session.get(url.format(year, week))
+                src= request.text
+
+                if request.status_code != 200:
+                    continue
+
+                soup = BeautifulSoup(src, "lxml")
+
+                newsletter = Newsletter()
+                title = "Newsletter week {} {}".format(week, year)
+                newsletter.title_nl = title
+                newsletter.title_en = title
+                newsletter.date = datetime.strptime(
+                    '{}-W{}-0'.format(year, week - 1),
+                    "%Y-W%W-%w").date()
+
+                all_tr = soup.find("table").find_all("tr")
+
+                desc_contents = all_tr[2].find("td").contents
+                desc_td = "".join([str(x) for x in desc_contents])
+
+                newsletter.description_nl = desc_td
+                newsletter.description_en = desc_td
+
+                newsletter.sent = True
+
+                newsletter.save()
+
+                start = 6 if "AGENDA" in all_tr[3].text else 5
+
+                items = all_tr[start:len(all_tr)]
+
+                for index in range(int((len(items) - 2) / 2)):
+                    first_index = index * 2
+                    second_index = first_index + 1
+
+                    title_el = items[first_index].find("td").find("h2")
+
+                    title = title_el.text
+
+                    content_tr = items[second_index]
+                    content_td = content_tr.find_all("td")
+
+                    description = "".join([str(x) for x in
+                                           content_td[0].contents])
+
+                    item = None
+                    if len(content_td) > 1:
+                        item = NewsletterEvent()
+
+                        event_data = content_td[1].find_all("span")
+                        what = event_data[0].text
+                        where = event_data[1].text
+                        when = event_data[2]
+
+                        price = None
+                        if ("PRIJS" in content_td[1].text and
+                                event_data[3] is not None):
+                            price = event_data[3].text
+
+                        item.what_nl = what[:len(what) - 1]
+                        item.what_en = what[:len(what) - 1]
+                        item.where_nl = where[:len(where) - 1]
+                        item.where_en = where[:len(where) - 1]
+
+                        item.start_datetime = datetime.now()
+                        item.end_datetime = datetime.now()
+
+                        if price is not None and "ratis" not in price:
+                            price = price.replace(",", ".")
+                            price = price.replace("-", "0")
+                            if "\x82" in price:
+                                price = price[3:len(price) - 1]
+                            elif "euro" in price:
+                                price = price[0:len(price) - 1]
+                                price = price.replace("euro", "")
+                            else:
+                                price = price[1:len(price) - 1]
+                            item.price = float(price)
+
+                        costs = re.findall("Deze bedragen <b>€([0-9]*,"
+                                           "[0-9]*)\.</b>", description)
+                        if len(costs) > 0:
+                            item.penalty_costs = float(
+                                costs[0][:len(costs[0]) - 1]
+                                .replace(",", ".")
+                                .replace("-", "0"))
+                        elif item.price is not None:
+                            item.penalty_costs = item.price
+
+                        pass
+                    else:
+                        item = NewsletterItem()
+
+                    item.title_nl = title.lower().capitalize()
+                    item.title_en = title.lower().capitalize()
+                    item.description_nl = description
+                    item.description_en = description
+                    item.newsletter = newsletter
+
+                    item.save()

website/newsletters/migrations/0002_auto_20161109_2257.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.2 on 2016-11-09 21:57
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('newsletters', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='newsletterevent',
+            name='price',
+            field=models.DecimalField(blank=True, decimal_places=2, default=None, max_digits=5, null=True, verbose_name='Price (in Euro)'),
+        ),
+    ]

website/newsletters/migrations/0003_auto_20161109_2257.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.2 on 2016-11-09 21:57
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('newsletters', '0002_auto_20161109_2257'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='newsletterevent',
+            name='penalty_costs',
+            field=models.DecimalField(blank=True, decimal_places=2, default=None, help_text='This is the price that a member has to pay when he/she did not show up.', max_digits=5, null=True, verbose_name='Costs (in Euro)'),
+        ),
+    ]

website/newsletters/models.py

@@ -102,14 +102,18 @@ class NewsletterEvent(NewsletterContent):
         verbose_name=_('Price (in Euro)'),
         max_digits=5,
         decimal_places=2,
-        default=0,
+        blank=True,
+        null=True,
+        default=None,
     )
 
     penalty_costs = models.DecimalField(
         verbose_name=_('Costs (in Euro)'),
         max_digits=5,
         decimal_places=2,
-        default=0,
+        blank=True,
+        null=True,
+        default=None,
         help_text=_('This is the price that a member has to '
                     'pay when he/she did not show up.'),
     )

website/newsletters/templates/newsletters/email.html

@@ -112,7 +112,7 @@
                         <p style="font-family: Arial, sans-serif">
                             <i><b>{% trans "Attention" %}:</b> {% trans "Registration deadline = unregistration deadline" %}!
                             {% trans "Thalia will recover the costs on you if you do not unregister on time" %}.
-                            {% if event.penalty_costs != 0 %}
+                            {% if event.penalty_costs is not None and event.penalty_costs > 0 %}
                                 {% trans "These costs are" %}: <b>€{{ event.penalty_costs }}.</b>
                             {% endif %}
                             </i>
@@ -158,6 +158,7 @@
                             </span>
                         </div>
 
+                        {% if event.price is not None %}
                         <div style="margin-bottom: 5px;">
                             <b style="font-family: Calibri, 'Trebuchet MS', sans-serif;font-size: 15px; color: {{ primary_color }};">
                                 {% trans "Price"|upper %}
@@ -171,6 +172,7 @@
                                 {% endif %}
                             </span>
                         </div>
+                        {% endif %}
                     </div>
                 </td>
             </tr>

website/newsletters/templates/newsletters/email.txt

@@ -20,7 +20,7 @@
  {% trans "What"|upper %}: {{ event.what }}
  {% trans "Where"|upper %}: {{ event.where }}
  {% trans "When"|upper %}: {% if event.start_datetime == event.end_datetime %}{{ event.start_datetime }}{% elif event.start_datetime|date:'d-M-Y' == event.end_datetime|date:'d-M-Y' %}{{ event.start_datetime }} - {{ event.end_datetime|date:'H:i' }}{% else %}{{ event.start_datetime }} - {{ event.end_datetime }}{% endif %}
- {% trans "Price"|upper %}: {% if event.price == 0 %}{% trans "Free" %}{% else %}€{{ event.price }}{% endif %}
+ {% if event.price is not None %}{% trans "Price"|upper %}: {% if event.price == 0 %}{% trans "Free" %}{% else %}€{{ event.price }}{% endif %}{% endif %}
 
 {% endfor %}
 {% trans "room"|capfirst %}: HG00.150