Add IMDB and CSFD id support to movies

templates/watchlist/edit.html

@@ -1,6 +1,7 @@
 {% extends 'base.html' %}
 {% block content %}
 <div class="container-lg">
+    {% if error %}<div class="alert alert-warning">{{error}}</div>{% endif %}
     <form action="{% url 'watchlist:delete' movie.id %}" method="post">
         {% csrf_token %}
         <input type="submit" value="Delete movie" class="btn btn-danger">
@@ -13,15 +14,43 @@
         </div>
         <div>
             <label class="form-label" for="suggested_by" name="suggested_by">Suggested by</label>
-            <select class="form-select" id="suggested_by" name="suggested_by">
-                {% if request.user.is_staff %}
-                {% for user in users %}
-                <option value="{{ user.username }}" {% if user.username == movie.suggested_by.username %} selected {% endif %} >{{user.username}}</option>
-                {% endfor %}
-                {% else %}
-                <option value="{{ movie.suggested_by.username }} disabled">{{movie.suggested_by.username}}</option>
-                {% endif %}
-            </select>
+            <div class="row">
+                <div class="col-auto">
+                    <select class="form-select" id="suggested_by" name="suggested_by">
+                        {% if request.user.is_staff %}
+                        {% for user in users %}
+                        <option value="{{ user.username }}" {% if user.username == movie.suggested_by.username %} selected {% endif %} >{{user.username}}</option>
+                        {% endfor %}
+                        {% else %}
+                        <option value="{{ movie.suggested_by.username }} disabled">{{movie.suggested_by.username}}</option>
+                        {% endif %}
+                    </select>
+                </div>
+            </div>
+        </div>
+        <div>
+            <label class="form-label" for="imdb_id">IMDB id</label>
+            <div class="row">
+                <div class="col-auto">
+                    <input class="form-control" id="imdb_id" name="imdb_id" {% if movie.imdb_id %}value="{{movie.imdb_id}}"{%endif%}>
+                    <div class="form-text">ID like <code>tt5580390</code> or whole URL.</div>
+                </div>
+                <div class="col-3">
+                    <a class="btn btn-secondary" href="https://www.imdb.com/find/?q={{movie.name}}" referrerpolicy="no-referrer" target="_blank">Search</a>
+                </div>
+            </div>
+        </div>
+        <div>
+            <label class="form-label" for="csfd_id">ČSFD id</label>
+            <div class="row">
+                <div class="col-auto">
+                    <input class="form-control" id="csfd_id" name="csfd_id" {% if movie.csfd_id %}value="{{movie.csfd_id}}"{%endif%}>
+                    <div class="form-text">ID like <code>277495</code> or whole URL.</div>
+                </div>
+                <div class="col-3">
+                    <a class="btn btn-secondary" href="https://www.csfd.cz/hledat/?q={{movie.name}}" referrerpolicy="no-referrer" target="_blank">Search</a>
+                </div>
+            </div>
         </div>
         <input type="submit" value="Submit" class="btn btn-primary">
     </form>

templates/watchlist/movie_detail.html

@@ -3,7 +3,10 @@
 <div class="container-lg">
     <h1 class="display-1">{{ movie.name }}</h1>
     <p class="text-secondary">Suggested by: {{movie.suggested_by.username}}</p>
-    <div class="mb-2">{% if request.user.is_staff or movie.suggested_by == request.user %}<a class="btn btn-sm btn-danger" href="{% url 'watchlist:edit' movie.id %}">Edit</a>{% endif %}<a class="btn btn-sm btn-secondary" href="https://www.imdb.com/find/?q={{movie.name}}" referrerpolicy="no-referrer" target="_blank">IMDB</a><a class="btn btn-sm btn-secondary" href="https://www.csfd.cz/hledat/?q={{movie.name}}" referrerpolicy="no-referrer" target="_blank">ČSFD</a></div>
+    <div class="mb-2">
+        {% if request.user.is_staff or movie.suggested_by == request.user %}<a class="btn btn-sm btn-danger" href="{% url 'watchlist:edit' movie.id %}">Edit</a>{% endif %}
+        <a class="btn btn-sm btn-secondary" href="{% if movie.imdb_id %}https://www.imdb.com/title/{{movie.imdb_id}}/{%else%}https://www.imdb.com/find/?q={{movie.name}}{%endif%}" referrerpolicy="no-referrer" target="_blank">IMDB{% if movie.imdb_id == '' %}*{%endif%}</a>
+        <a class="btn btn-sm btn-secondary" href="{% if movie.csfd_id %}https://www.csfd.cz/film/{{movie.csfd_id}}{%else%}https://www.csfd.cz/hledat/?q={{movie.name}}{%endif%}" referrerpolicy="no-referrer" target="_blank">ČSFD{% if movie.csfd_id == '' %}*{%endif%}</a></div>
     <h2>Votes</h2>
     {% if votes|length == 0 %}
     <p>Nobody voted yet, be first...</p>

watchlist/forms.py

@@ -6,4 +6,4 @@ class MovieEditForm(forms.ModelForm):
     
     class Meta:
         model = models.Movie
-        fields = ["name", "suggested_by", "watched"]
+        fields = ["name", "suggested_by", "watched", "imdb_id", "csfd_id"]

watchlist/migrations/0006_movie_csfd_id_movie_imdb_id.py

@@ -0,0 +1,23 @@
+# Generated by Django 4.1.5 on 2023-02-10 12:54
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('watchlist', '0005_movievote_comment'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='movie',
+            name='csfd_id',
+            field=models.IntegerField(null=True),
+        ),
+        migrations.AddField(
+            model_name='movie',
+            name='imdb_id',
+            field=models.CharField(blank=True, max_length=32),
+        ),
+    ]

watchlist/migrations/0007_alter_movie_csfd_id_alter_movie_imdb_id.py

@@ -0,0 +1,25 @@
+# Generated by Django 4.1.5 on 2023-02-10 13:26
+
+from django.db import migrations, models
+import watchlist.models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('watchlist', '0006_movie_csfd_id_movie_imdb_id'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='movie',
+            name='csfd_id',
+            field=models.CharField(blank=True, default='', max_length=32, validators=[watchlist.models.validate_imdb_id]),
+            preserve_default=False,
+        ),
+        migrations.AlterField(
+            model_name='movie',
+            name='imdb_id',
+            field=models.CharField(blank=True, max_length=32, validators=[watchlist.models.validate_csfd_id]),
+        ),
+    ]

watchlist/models.py

@@ -1,8 +1,19 @@
+import re
+
 from functools import reduce
 from django.db import models
 from django.contrib.auth.models import User
 from django.contrib import admin
 
+IMDB_ID_RE = re.compile(r'(?P<id>tt\d{7,})')
+CSFD_ID_RE = re.compile(r'(?P<id>\d+)')
+
+def validate_imdb_id(v: str) -> bool:
+    return IMDB_ID_RE.match(v)
+
+def validate_csfd_id(v: str) -> bool:
+    return CSFD_ID_RE.match(v)
+
 class Movie(models.Model):
 
     class Meta:
@@ -13,6 +24,8 @@ class Movie(models.Model):
     name = models.CharField(max_length=100)
     suggested_by = models.ForeignKey(User, on_delete=models.SET_NULL, null=True, blank=True)
     watched = models.BooleanField(default=False)
+    imdb_id = models.CharField(max_length=32, blank=True, validators=[validate_csfd_id])
+    csfd_id = models.CharField(max_length=32, blank=True, validators=[validate_imdb_id])
 
     @property
     def score(self):

watchlist/views.py

@@ -71,6 +71,7 @@ class EditView(generic.DetailView):
     def get_context_data(self, **kwargs):
         context = super().get_context_data(**kwargs)
         context["users"] = User.objects.all() if self.request.user.has_perm("watchlist.moderate_movies") else None
+        context["error"] = self.request.GET.get("error", None)
         return context
 
     def get(self, request, *args, **kwargs):
@@ -84,7 +85,28 @@ class EditView(generic.DetailView):
         if not self.can_edit_movie(request):
             return HttpResponseForbidden("You cannot edit this object.")
         if "name" in request.POST:
-            self.object.name = request.POST["name"]
+            name = request.POST["name"]
+            if name == '':
+                return HttpResponseRedirect(reverse('watchlist:edit', args=(kwargs["pk"],)) + "?error=Invalid%20name")
+            self.object.name = name
+        if "imdb_id" in request.POST:
+            if request.POST["imdb_id"] == '':
+                if self.object.imdb_id != '':
+                    self.object.imdb_id = ''
+            else:
+                match = models.IMDB_ID_RE.search(request.POST["imdb_id"])
+                if not match:
+                    return HttpResponseRedirect(reverse('watchlist:edit', args=(kwargs["pk"],)) + "?error=Invalid%20IMDB%20ID")
+                self.object.imdb_id = match.group()
+        if "csfd_id" in request.POST:
+            if request.POST["csfd_id"] == '':
+                if self.object.csfd_id != '':
+                    self.object.csfd_id = ''
+            else:
+                match = models.CSFD_ID_RE.search(request.POST["csfd_id"])
+                if not match:
+                    return HttpResponseRedirect(reverse('watchlist:edit', args=(kwargs["pk"],)) + "?error=Invalid%20CSFD%20ID")
+                self.object.csfd_id = match.group()
         if "suggested_by" in request.POST:
             if request.user.has_perm('watchlist.moderate_movies'):
                 new_suggestor = User.objects.filter(username=request.POST["suggested_by"]).first()
@@ -105,7 +127,7 @@ def submit(request):
         return HttpResponseForbidden("You can't add new movies.")
     movie = models.Movie(name=request.POST["name"], suggested_by=request.user, watched=False)
     movie.save()
-    return HttpResponseRedirect(reverse("watchlist:index"))
+    return HttpResponseRedirect(reverse("watchlist:edit", args=(movie.id,)))
 
 @login_required
 @require_POST