Ditched bootstrap

interface/admin.py

@@ -4,6 +4,8 @@ from django.contrib import admin
 
 from . import models
 
+class EnsembleAdmin(admin.ModelAdmin):
+    list_display = ['name', 'ensemble_code']
 
 class ProjectAdmin(admin.ModelAdmin):
 
@@ -18,7 +20,7 @@ class WikiPageAdmin(admin.ModelAdmin):
     list_display = ['title', 'project']
     list_filter = ['project']
 
-admin.site.register(models.Ensemble)
+admin.site.register(models.Ensemble, EnsembleAdmin)
 admin.site.register(models.Project, ProjectAdmin)
 admin.site.register(models.Submission, SubmissionAdmin)
 admin.site.register(models.Resource)

interface/decorators.py

@@ -4,6 +4,16 @@ def check_allowed(view_func):
     
         def _view(request, *args, **kwargs):
 
+            code = request.GET.get('code')
+            if code:
+                # just change if we can
+                try:
+                    ensemble = request.session.get('registered', {})[code.replace('-', '')]
+                    request.session['ensemble'] = ensemble
+                except KeyError:
+                    # need to register this code
+                    return HttpResponseRedirect('/register?code=' + code)
+               
             request.ensemble_id = request.session.get('ensemble')
 
             if request.ensemble_id is None:

interface/forms.py

@@ -1,8 +1,12 @@
-from django.forms import ModelForm
+from django import forms
-
 from .models import Submission
 
-class SubmissionForm(ModelForm):
+class CodeForm(forms.Form):
+    code = forms.CharField(max_length=14,
+        widget=forms.TextInput(attrs={'placeholder': 'xxx-xxx-xxx'}))
+    passphrase = forms.CharField(max_length=32)
+
+class SubmissionForm(forms.ModelForm):
     class Meta:
         model = Submission
         fields = ['name', 'instrument', 'notes']

interface/migrations/0007_auto_20200906_1009.py

@@ -0,0 +1,35 @@
+# Generated by Django 3.1.1 on 2020-09-06 10:09
+
+from django.db import migrations, models
+import django.db.models.deletion
+import interface.models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('interface', '0006_submission_key'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='project',
+            name='bucket',
+        ),
+        migrations.AddField(
+            model_name='ensemble',
+            name='bucket',
+            field=models.CharField(default='', max_length=100),
+            preserve_default=False,
+        ),
+        migrations.AlterField(
+            model_name='ensemble',
+            name='code',
+            field=models.CharField(default=interface.models.generate_code, max_length=12),
+        ),
+        migrations.AlterField(
+            model_name='submission',
+            name='project',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='all_submissions', to='interface.project'),
+        ),
+    ]

interface/migrations/0008_auto_20200906_1122.py

@@ -0,0 +1,24 @@
+# Generated by Django 3.1.1 on 2020-09-06 11:22
+
+from django.db import migrations, models
+import interface.models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('interface', '0007_auto_20200906_1009'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='ensemble',
+            old_name='password',
+            new_name='passphrase',
+        ),
+        migrations.AlterField(
+            model_name='ensemble',
+            name='code',
+            field=models.CharField(default=interface.models.generate_code, max_length=9),
+        ),
+    ]

interface/models.py

@@ -1,6 +1,8 @@
 from django.db import models
 from django.utils.text import slugify
 
+import random
+
 import boto3
 
 from datetime import datetime
@@ -9,14 +11,22 @@ import os.path
 
 s3client = boto3.client('s3')
 
+def generate_code(length=9):
+    return "".join([ random.choice('0123456789') for _ in range(length) ])
+
 class Ensemble(models.Model):
     name = models.CharField(max_length=100)
-    code = models.CharField(max_length=12)
+    code = models.CharField(max_length=9, default=generate_code)
-    password = models.CharField(max_length=100)
+    passphrase = models.CharField(max_length=100)
+    bucket = models.CharField(max_length=100)
 
     def active_projects(self):
         return self.projects.filter(active=True)
 
+    def ensemble_code(self):
+        code = str(self.code)
+        return "{}-{}-{}".format(code[:3], code[3:6], code[6:])
+
     def __str__(self):
         return self.name
 
@@ -25,14 +35,13 @@ class Project(models.Model):
     ensemble = models.ForeignKey(Ensemble, related_name='projects', on_delete=models.CASCADE, null=True)
     active = models.BooleanField(default=True)
     deadline =models.DateField(null=True, blank=True)
-    bucket = models.CharField(max_length=100)
 
     def submissions(self):
         return self.all_submissions.filter(complete=True)
 
     def presigned_post(self, object_name, fields={}, conditions=[], expires=3600):
         key = os.path.join(slugify(self.name), object_name)
-        return s3client.generate_presigned_post(self.bucket, key, Fields=fields, Conditions=conditions, ExpiresIn=expires)
+        return s3client.generate_presigned_post(self.ensemble.bucket, key, Fields=fields, Conditions=conditions, ExpiresIn=expires)
 
     def __str__(self):
         return self.name

interface/static/interface/css/polyphonic.css

@@ -1,12 +1,183 @@
-.navbar {
+
-    margin-bottom: 50px;
+:root {
-    background-color: #69C;
+    --border-color: #292929;
+    --gray-blue: #667788;
+    --light-blue: #c5eff7;
 }
 
-.form-actions {
+@font-face {
+    font-family: 'DreamOrphans';
+    src: url('../../fonts/dream orphans.ttf')  format('truetype');
+}
+
+@font-face {
+    font-family: 'Quicksand';
+    src: url('../../fonts/Quicksand_Book.otf');
+}
+
+@font-face {
+    font-family: 'QuicksandBold';
+    src: url('../../fonts/Quicksand_Bold_Oblique.otf');
+}
+
+.debug DIV {
+    border: 1px dashed #DDD;
+}
+
+BODY {
+}
+
+.main {
+    max-width: 1000px;
+    margin: 10px auto;
+    border: 1px solid var(--border-color);
+    border-radius: 5px;
+    font-family: 'Quicksand', Arial, Helvetica, sans-serif;
+}
+
+.content {
+    margin: 20px;
+}
+
+.narrow {
+    max-width: 500px;
+    margin: 0px auto;
+}
+
+@media all and (max-width: 900px) {
+    .mdhide {
+        display: none;
+    }
+}
+
+@media all and (max-width: 700px) {
+    .smhide {
+        display: none;
+    }
+    UL.nav-buttons {
+        flex-direction: column;
+    }
+}
+
+/* HEADER BAR */
+
+.navigation {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    margin-bottom: 50px;
+    background-color: var(--gray-blue);
+    color: var(--light-blue) !important;
+}
+
+.navigation > * {
+    white-space: nowrap;
+}
+
+.navigation A,
+.navigation A:visited {
+    color: var(--light-blue);
+    text-decoration: none;
+}
+
+.navigation .brand {
+    font-family: 'QuicksandBold', 'Quicksand', Arial, Helvetica, sans-serif;
+    font-size: 1.5rem;
+    margin: auto 20px;
+}
+
+UL.nav-buttons {
+    display: flex;
+    list-style: none;
+}
+UL.nav-buttons > LI {
+    margin: 2px 10px;
+}
+
+/* FORMS */
+
+FORM {
+    display: flex;
+    flex-direction: column;
+    max-width: 400px;
+    margin: 20px auto;
+}
+
+LABEL {
     margin-top: 20px;
 }
 
-#project H1 {
+TEXTAREA {
+    height: 50px;
+}
+
+.form-actions {
+    text-align: right;
+    margin-top: 20px;
+}
+
+.btn {
+    background-color: var(--gray-blue);
+    display: inline-block;
+    border: none;
+    color: var(--light-blue);
+    text-decoration: none;
+    border-radius: 1em;
+    font-size: 1em;
+}
+
+.btn:hover {
+    cursor: pointer;
+    color: white;
+}
+
+.pills {
+    display: flex;
+    flex-wrap: wrap;
+    justify-content: center;
+    margin-top: 40px;
+}
+
+.pills A {
+    border: 1px solid var(--gray-blue);
+    padding: 4px 10px 2px 10px;
+    margin: 10px 5px;
+    border-radius: 10px;
+    white-space: nowrap;
+}
+
+.pills A:hover {
+    background-color: var(--light-blue);
+    text-decoration: none
+}
+
+.list-group {
+    display: flex;
+    flex-direction: column;
+}
+
+.list-group A {
+    border: 1px solid var(--gray-blue);
+    border-radius: 10px;
+    padding: 2px 20px;
+    margin-top: 20px;
+}
+
+.list-group A:hover {
+    background-color: var(--light-blue);
+    text-decoration: none;
+}
+
+A, A:visited {
+    text-decoration: none;
+    color: var(--gray-blue);
+    font-weight: bold;
+}
+
+A:hover {
+    text-decoration: underline;
+}
+
+H1 {
     text-align: center;
 }

interface/templates/base.html

@@ -6,49 +6,45 @@
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
 
-    <!-- Bootstrap CSS -->
-    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" integrity="sha384-JcKb8q3iqJ61gNV9KGb8thSsNjpSL0n8PARn9HuZOnIxN0hoP+VmmDGMN5t9UJ0Z" crossorigin="anonymous">
-
     <link rel="stylesheet" href="{% static 'interface/css/polyphonic.css' %}"></link>
-    <script src="https://kit.fontawesome.com/c837098e5b.js" crossorigin="anonymous"></script>
     <title>{% block title %}Polyphonic{% endblock %}</title>
   </head>
   <body>
 
-    {% block header %}
+  <div class="main">
-    <nav class="navbar navbar-expand-lg navbar-dark">
+    {% block navigation %}
-    <a class="navbar-brand" href="/"><i class="fas fa-random"></i> Polyphonic</a>
+    <nav class="navigation">
-    <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
+      <div>
-        <span class="navbar-toggler-icon"></span>
+        <a class="brand" href="/"><i class="fas fa-random smhide"></i> Polyphonic</a>
-    </button>
+        <span class="mdhide">Virtual Ensemble Manager</span>
-    <span class="navbar-text">Virtual Ensemble Manager</span>
+      </div>
-    <div class="collapse navbar-collapse" id="navbarSupportedContent"></div>
+      <ul class="nav-buttons">
-        <ul class="navbar-nav ml-auto">
         {% if request.ensemble_id %}
         <li class="nav-item">
-            <a class="nav-link" href="{% url 'my_projects' %}"><i class="fas fa-music"></i> My Projects</a>
+          <a class="nav-link" href="{% url 'my_projects' %}"><i class="fas fa-music"></i> <span class="">My
+              Projects</span></a>
         </li>
         <li class="nav-item">
-            <a class="nav-link" href="{% url 'register' %}"><i class="fas fa-users"></i> Change Ensemble</a>
+          <a class="nav-link" href="{% url 'register' %}"><i class="fas fa-users"></i> <span class="">Change
+              Ensemble</span></a>
         </li>
         {% endif %}
         <li class="nav-item">
-            <a class="nav-link" href=""><i class="fas fa-question"></i> About</a>
+          <a class="nav-link" href=""><i class="fas fa-question"></i> <span class="">About</span></a>
         </li>
-        </ul>
+      </ul>
-    </div>
     </nav>
     {% endblock %}
-    
+  
-    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
+    <div class="content">
-    
+      {% block content %}
-    {% block content %}
+      <h1>No content!</h1>
-    <h1>No content!</h1>
+      {% endblock %}
-    {% endblock %}
+    </div>
+  </div>
 
-    <!-- Optional JavaScript -->
+  <!-- late load scripts -->
-    <!-- jQuery first, then Popper.js, then Bootstrap JS -->
+  <script src="https://kit.fontawesome.com/c837098e5b.js" crossorigin="anonymous"></script>
-    <script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.1/dist/umd/popper.min.js" integrity="sha384-9/reFTGAW83EW2RDu2S0VKaIzap3H66lZH81PoYlFhbGU+6BZp6G7niu735Sk7lN" crossorigin="anonymous"></script>
+  
-    <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js" integrity="sha384-B4gt1jrGC7Jh4AgTPSdUtOBvfO8shuf57BaghqFfPlYxofvL8/KUEfYiJOMMV+rV" crossorigin="anonymous"></script>
   </body>
 </html>

interface/templates/interface/bootstrap-form.html

@@ -1,29 +0,0 @@
-<form class="form-horizontal" method="post">{% csrf_token %}
-    <fieldset>
-        <legend>{{ title }}</legend>
-        {% for field in form %}
-            {% if field.errors %}
-                <div class="control-group error">
-                    <label class="control-label">{{ field.label }}</label> 
-                    <div class="controls">{{ field }}
-                        <span class="help-inline">
-                            {% for error in  field.errors %}{{ error }}{% endfor %}
-                        </span>
-                    </div>
-                </div>
-            {% else %}
-                <div class="control-group">
-                    <label class="control-label">{{ field.label }}</label> 
-                    <div class="controls">{{ field }}
-                        {% if field.help_text %}
-                            <p class="help-inline"><small>{{ field.help_text }}</small></p>
-                        {% endif %}
-                    </div>
-                </div>
-            {% endif %}
-        {% endfor %}
-    </fieldset>
-    <div class="form-actions text-right">
-        <button type="submit" class="btn btn-primary" >Submit</button>
-    </div>
-</form>

interface/templates/interface/project.html

@@ -1,31 +1,24 @@
 {% extends "base.html" %}
 
 {% block content %}
-<div class="container" id="project">
+<h1>{{ project.name }}</h1>
-
+<div>
-    <h1>{{ project.name }}</h1>
+    {% block page %}
-    <div class="row">
+    <div class="narrow">
-        <div class="col-9">
+    <h3 class="text-center">Due in {{ project.deadline|timeuntil }}!</h3>
-            {% block page %}
+    <p>There have been {{ project.submissions.count }} submissions so far...</p>
-                <h3 class="text-center">Due in {{ project.deadline|timeuntil }}</h3>
+    </div>
-                <p>There have been {{ project.submissions.count }} submissions so far...</p>
+    {% endblock %}
-            {% endblock %}
+</div>
-        </div>
+<div class="project-links">
-        <div class="col-3">
+    <div class="pills" role="tablist">
-            <div class="nav flex-column nav-pills" role="tablist">
+        <a role=tab" href="{% url 'project' project_id=project.id %}">Project info</a>
-                <a class="nav-link" role=tab"
+        {% for page in project.wiki_pages.all %}
-                    href="{% url 'project' project_id=project.id %}">Project info</a>
+        <a class="nav-link {% if page.id == wiki_id %}active{% endif %}"
-                {% for page in project.wiki_pages.all %}
+            href="{% url 'wiki' project_id=project.id wiki_id=page.id %}">{{ page.title }}</a>
-                <a class="nav-link {% if page.id == wiki_id %}active{% endif %}"
+        {% endfor %}
-                    href="{% url 'wiki' project_id=project.id wiki_id=page.id %}"
+        <a role="tab" href="">Record a submission</a>
-                    role="tab">{{ page.title }}</a>
+        <a role="tab" href="{% url 'submission' project_id=project.id %}">Send a file</a>
-                {% endfor %}
-                <a class="nav-link" role="tab"
-                    href="">Record a submission</a>
-                <a class="nav-link" role="tab"
-                    href="{% url 'submission' project_id=project.id %}">Send a file</a>
-            </div>
-        </div>
     </div>
 </div>
 {% endblock %}

interface/templates/interface/project_list.html

@@ -2,17 +2,13 @@
 
 {% block content %}
 
-<div class="container">
     <h1>Projects for {{ ensemble.name }}</h1>
-    <div class="col-md-8 offset-md-2">
+    <div class="list-group narrow">
-    <div class="list-group">
     {% for project in ensemble.active_projects %}
-        <a class="list-group-item list-group-item-action" href="{% url 'project' project_id=project.id %}">
+        <a class="" href="{% url 'project' project_id=project.id %}">
-            <h4>{{ project.name }}</h4>
+            <h3>{{ project.name }}</h3>
             <p><small>Due in {{ project.deadline|timeuntil }}</small></p>
         </a>
     {% endfor %}
     </div>
-    </div>
-</div>
 {% endblock %}

interface/templates/interface/register.html

@@ -1,25 +1,24 @@
 {% extends "base.html" %}
 
 {% block content %}
-<div class="col-md-4 offset-md-4">
+<div class="narrow">
-<div class="card">
+    <div>
-    <div class="card-header">Enter the ensemble details given to you</div>
+        <h3>My Ensembles</h3>
-    <div class="card-body">
+        <ul>
+            {% for ensemble in current %}
+            <li><a href="/?code={{ ensemble.ensemble_code}}">{{ ensemble.name }}</a></li>
+            {% endfor %}
+        </ul>
+    </div>
+    <div>
         <form action="" method="POST">
+            <h3>Add a new ensemble</h3>
             {% csrf_token %}
-            <div class="form-group">
+            {{ form }}
-                <label for="code">Ensemble Code</label>
+            <div class="form-actions">
-                <input type="text" class="form-control" placeholder="xxxx-xxxx-xxxx" name="code" value="{{ code }}"/>
-            </div>
-            <div class="form-group">
-                <label for="passphrase">Passphrase</label>
-                <input type="password" class="form-control" name="passphrase"/>
-            </div>
-            <div class="text-right">
                 <button class="btn btn-primary">Enter</button>
             </div>
         </form>
     </div>
 </div>
-</div>
 {% endblock %}

interface/templates/interface/submission.html

@@ -10,7 +10,13 @@
         </p>
 
         <div class="">
-            {% include "interface/bootstrap-form.html" %} 
+            <form action="" method="POST" enctype="multipart/form-data">
+                {% csrf_token %}
+                {{ form }}
+                <div class="form-actions">
+                    <button type="submit" class="btn-primary">Continue</button>
+                </div> 
+            </form>
         </div>
     </div>
 </div>

interface/templates/interface/upload.html

@@ -4,44 +4,24 @@
 {% block content %}
 
 
-<div class="container">
+<div class="narrow">
-    <div class="col-md-4 offset-md-4">
+    <h3>Ready to upload file</h3>
-        <div class="card" id="legacy-upload">
+    <form method="POST" action="{{ upload.url }}" enctype="multipart/form-data" id="video-upload">
-            <div class="card-header">Ready to upload file</div>
+        {% for field, value in upload.fields.items %}
-            <div class="card-body">
+        <input type="hidden" name="{{ field }}" value="{{ value }}" />
-                <form method="POST" action="{{ upload.url }}" enctype="multipart/form-data" id="video-upload">
+        {% endfor %}
-                    {% for field, value in upload.fields.items %}
-                    <input type="hidden" name="{{ field }}" value="{{ value }}" />
-                    {% endfor %}
-                    
-                    <input name="file" type="file" accept="video/*"/>
 
-                    <div class="form-actions text-right">
+        <input name="file" type="file" accept="video/*" />
-                        <a class="btn btn-secondary" href="{% url 'cancel_submission' project_id=project.pk submission_id=submission.pk %}">Cancel</a>
-                        <button class="btn btn-primary">Upload</button>
-                    </div>
-                </form>
-            </div>
 
+        <div class="form-actions text-right">
+            <a class=""
+                href="{% url 'cancel_submission' project_id=project.pk submission_id=submission.pk %}">Cancel</a>
+            &nbsp;
+            <button class="">Upload</button>
         </div>
-    </div>
+    </form>
 </div>
 
-<script src="{% static 'dropzone/dropzone.js' %}"></script>
+</div>
-<script>
-(function() {
 
-    //document.getElementById('fallback-file').remove();
-
-    Dropzone.options.videoUpload = {
-        paramName: "file", // The name that will be used to transfer the file
-        maxFilesize: 500, // MB
-        accept: function(file, done) {
-            if (file.name == "justinbieber.jpg") {
-                done("Naha, you don't.");
-            } else { done(); }
-        }
-    }
-})();
-</script>
 {% endblock %}

interface/tests.py

@@ -1,3 +0,0 @@
-from django.test import TestCase
-
-# Create your tests here.

interface/tests/test_submission.py

@@ -0,0 +1,26 @@
+from django.test import TestCase, Client
+
+from interface import models
+
+class SubmissionTestCase(TestCase):
+
+    def setUp(self):
+        self.client = Client()
+
+    def test_submission(self):
+        ensemble = models.Ensemble.objects.create(name="The Be Sharps", passphrase="Homer", bucket="virtual-orchestra")
+        project = ensemble.projects.create(name='Baby on Board')
+
+        response = self.client.post('/register', {'code': ensemble.code, 'passphrase': ensemble.passphrase})
+        self.assertRedirects(response, '/')
+
+        response = self.client.post(f"/projects/{project.pk}/submission", {'name': 'Ned', 'instrument': 'God'})
+
+        upload = response.context['upload']
+        self.assertEqual(upload['url'], f"https://{ensemble.bucket}.s3.amazonaws.com/")
+        self.assertRegex(upload['fields']['key'], r'^baby-on-board\/[0-9T\-]+_ned_god_\$\{filename\}$')
+        self.assertEqual(upload['fields']['success_action_redirect'], 'http://testserver/projects/1/submission/1/complete')
+
+        self.assertEqual(models.Submission.objects.count(), 1)
+        self.assertRedirects(self.client.get(f"/projects/{project.pk}/submission/1/cancel"), '/projects/1')
+        self.assertEqual(models.Submission.objects.count(), 0)

interface/views.py

@@ -14,20 +14,30 @@ def forbidden(request):
     return render(request, 'interface/forbidden.html', {})
 
 def register(request):
-    code = ''
+    
-    try:
+    request.ensemble_id = request.session.get('ensemble')
-        code = request.POST.get('code', request.GET['code'])
+    registered = request.session.setdefault('registered', {})
-        passphrase = request.POST.get('passphrase')
 
-        ensemble = models.Ensemble.objects.get(code=code)
+    if request.method == "POST":
-        if ensemble.password != passphrase:
+        form = forms.CodeForm(request.POST)
-            raise ValueError("Incorrect passphase")
 
-        request.session['ensemble'] = ensemble.pk
+        if form.is_valid():
-        return redirect('my_projects')
+
-    except:
+            data = form.cleaned_data;
-        logger.exception("Registration failed")
+            ensemble = models.Ensemble.objects.get(code=data['code'].replace('-', ''))
-        return render(request, 'interface/register.html', {'code': code})
+
+            
+            if ensemble.passphrase == data['passphrase']:
+                request.session['ensemble'] = ensemble.pk
+                registered[ensemble.code] = ensemble.pk
+                return redirect('my_projects')
+
+    else:
+        form = forms.CodeForm(initial=request.GET)
+    
+    current = models.Ensemble.objects.filter(pk__in=registered.values())
+
+    return render(request, 'interface/register.html', {'form': form, 'current': current})
 
 
 @check_allowed
@@ -60,6 +70,10 @@ def submission(request, project_id):
             s.project_id = project_id
             s.save()
 
+            data = form.cleaned_data
+            request.session['name'] = data['name']
+            request.session['instrument'] = data['instrument']
+
             redirect = request.build_absolute_uri(resolve_url('complete_submission', project_id=project.pk, submission_id=s.pk))
 
             upload = project.presigned_post(s.generate_key(),
@@ -69,7 +83,8 @@ def submission(request, project_id):
 
             return render(request, 'interface/upload.html', context)
     else:
-        form = forms.SubmissionForm()
+        initial = { k: request.session.get(k) for k in ('name', 'instrument') }
+        form = forms.SubmissionForm(initial=initial)
 
     context = {'project': project, 'form': form}
     return  render(request, 'interface/submission.html', context)
@@ -77,7 +92,7 @@ def submission(request, project_id):
 @check_allowed
 def cancel_submission(request, project_id, submission_id):
     project = get_object_or_404(models.Project, pk=project_id, ensemble=request.ensemble_id)
-    submission = project.submissions.get(pk=submission_id)
+    submission = project.all_submissions.get(pk=submission_id)
     submission.delete()
     return redirect('project', project_id=project_id)
 

polyphonic/settings.py

@@ -25,7 +25,7 @@ SECRET_KEY = '6y#33930^6@c762u(@6+&#_qx8eu^e8q+4t-(@m60vnjw37k26'
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = True
 
-ALLOWED_HOSTS = []
+ALLOWED_HOSTS = ['localhost', '192.168.100.123']
 
 
 # Application definition