use formsets for screening questions, create views for applying to jobs

jobs/admin.py

@@ -1,5 +1,5 @@
 from django.contrib import admin
 
-from .models import Job, Application, Tag, Question
+from .models import Job, Application, Tag, Question, Answer
 
-admin.site.register([Job, Application, Tag, Question])
+admin.site.register([Job, Application, Tag, Question, Answer])

jobs/forms.py

@@ -2,7 +2,7 @@ from django import forms
 from django.forms import inlineformset_factory
 from dal.autocomplete import ModelSelect2Multiple
 
-from .models import Job, Question
+from .models import Job, Question, Application, Answer
 
 
 class JobForm(forms.ModelForm):
@@ -23,6 +23,35 @@ class QuestionForm(forms.ModelForm):
         }
 
 
+class ApplicationForm(forms.ModelForm):
+    class Meta:
+        model = Application
+        exclude = ('job', 'applicant')
+
+
+class AnswerForm(forms.ModelForm):
+    class Meta:
+        model = Answer
+        fields = '__all__'
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.fields['text'].required = True
+        self.fields['question'].disabled = True
+
+    @classmethod
+    def inlineformset_factory(cls, extra=3):
+        return inlineformset_factory(
+            Application,
+            Answer,
+            form=cls,
+            min_num=extra,
+            max_num=extra,
+            validate_min=True,
+            can_delete=False,
+            can_order=False)
+
+
 QuestionFormSet = inlineformset_factory(
     Job, Question, form=QuestionForm, can_delete=False, can_order=False)
 

jobs/migrations/0003_auto_20181020_0622.py

@@ -0,0 +1,23 @@
+# Generated by Django 2.1.2 on 2018-10-20 06:22
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('jobs', '0002_auto_20181017_1104'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='application',
+            name='cover_letter',
+            field=models.TextField(blank=True),
+        ),
+        migrations.AlterField(
+            model_name='question',
+            name='name',
+            field=models.TextField(verbose_name='Question Title'),
+        ),
+    ]

jobs/models.py

@@ -70,6 +70,7 @@ class Application(models.Model):
         User, related_name="applications", on_delete=models.CASCADE)
     job = models.ForeignKey(
         Job, related_name="applications", on_delete=models.CASCADE)
+    cover_letter = models.TextField(blank=True)
 
     created = models.DateTimeField(auto_now_add=True)
 

jobs/templates/jobs/application_form.html

@@ -0,0 +1,13 @@
+{% extends 'base.html' %} {% block title %}Apply to job{% endblock %} {% load crispy_forms_tags %} {% block body_content %}
+<div class="row">
+    <div class="col-md-12">
+        <form method="POST" action=".">
+            {% csrf_token %} {{ form |crispy }}
+            <h4>Screening Questions</h4>
+            {{ answer_form |crispy }}
+            <input class="btn btn-primary submit" type="submit" value="Post Job" />
+        </form>
+        {{form.media}}
+    </div>
+</div>
+{% endblock %}

jobs/templates/jobs/job_detail.html

@@ -22,7 +22,7 @@
                     - {{question.name}} <br/>
                 {% endfor %}
                 <br/>
-                <a href="#" class="card-link">Apply</a>
+                <a href="{% url 'jobs:job_apply' job.pk %}" class="card-link">Apply</a>
             </div>
         </div>
     </div>

jobs/urls.py

@@ -1,17 +1,17 @@
 from django.urls import path
 
-from . import views
+from .views import Index, JobCreate, JobList, JobDetail, ApplicationCreate
 from . import autocomplete as autocomplete_views
 
 app_name = 'jobs'
 urlpatterns = [
-    path('', views.Index.as_view(), name='index'),
-    path('jobs/create/', views.JobCreate.as_view(), name='create'),
-    path('jobs/', views.JobList.as_view(), name='list'),
-    path('jobs/<int:pk>/detail/', views.JobDetail.as_view(), name='job_detail'),
+    path('', Index.as_view(), name='index'),
+    path('jobs/create/', JobCreate.as_view(), name='create'),
+    path('jobs/', JobList.as_view(), name='list'),
+    path('jobs/<int:pk>/detail/', JobDetail.as_view(), name='job_detail'),
+    path('jobs/<int:job_pk>/apply/', ApplicationCreate.as_view(), name='job_apply'),
 ]
 
-
 # autocomplete endpoints
 urlpatterns += [
     path(

jobs/views.py

@@ -4,8 +4,8 @@ from django.views.generic import (
     TemplateView, ListView, CreateView, DetailView
 )
 
-from .models import Job
-from .forms import JobForm, QuestionFormSet
+from .models import Job, Application, Question
+from .forms import JobForm, QuestionFormSet, ApplicationForm, AnswerForm
 
 
 class Index(TemplateView):
@@ -59,3 +59,52 @@ class JobCreate(CreateView):
             self.get_context_data(
                 form=form,
                 question_form=question_form))
+
+
+class ApplicationCreate(CreateView):
+    # TODO: restrict users from re-application
+    model = Application
+    form_class = ApplicationForm
+    success_url = reverse_lazy("jobs:list")
+
+    def get_question_queryset(self):
+        return Question.objects.filter(job_id=self.kwargs['job_pk']).order_by('id')
+
+    def get_answer_formset(self, *args):
+        questions = self.get_question_queryset()
+        return AnswerForm.inlineformset_factory(
+            extra=questions.count())(initial=[{
+                'question': q.id
+            } for q in questions], *args)
+
+    def get(self, request, *args, **kwargs):
+        self.object = None
+        form = self.get_form(self.get_form_class())
+        answer_form = self.get_answer_formset()
+        return self.render_to_response(
+            self.get_context_data(form=form, answer_form=answer_form))
+
+    def post(self, request, *args, **kwargs):
+        self.object = None
+        form_class = self.get_form_class()
+        form = self.get_form(form_class)
+        answer_form = self.get_answer_formset(self.request.POST)
+        if (form.is_valid() and answer_form.is_valid()):
+            return self.form_valid(form, answer_form)
+        else:
+            return self.form_invalid(form, answer_form)
+
+    def form_valid(self, form, answer_form):
+        self.object = form.save(commit=False)
+        self.object.applicant = self.request.user
+        self.object.job = Job.objects.get(id=self.kwargs['job_pk'])
+        self.object.save()
+
+        answer_form.instance = self.object
+        answer_form.save()
+
+        return HttpResponseRedirect(self.get_success_url())
+
+    def form_invalid(self, form, answer_form):
+        return self.render_to_response(
+            self.get_context_data(form=form, answer_form=answer_form))