create Question and Answer model, use inline formsets in JobCreate

jobs/admin.py

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

jobs/forms.py

@@ -1,9 +1,8 @@
 from django import forms
-from crispy_forms.helper import FormHelper
-from crispy_forms.layout import Submit
+from django.forms import inlineformset_factory
 from dal.autocomplete import ModelSelect2Multiple
 
-from .models import Job
+from .models import Job, Question
 
 
 class JobForm(forms.ModelForm):
@@ -14,8 +13,15 @@ class JobForm(forms.ModelForm):
             'tags': ModelSelect2Multiple(url='jobs:tag-autocomplete')
         }
 
-    def __init__(self, *args, **kwargs):
-        super().__init__(*args, **kwargs)
-        self.helper = FormHelper()
-        self.helper.form_method = 'post'
-        self.helper.add_input(Submit('submit', 'Post Job'))
+
+class QuestionForm(forms.ModelForm):
+    class Meta:
+        model = Question
+        fields = '__all__'
+        widgets = {
+            'name': forms.widgets.TextInput()
+        }
+
+
+QuestionFormSet = inlineformset_factory(
+    Job, Question, form=QuestionForm, can_delete=False, can_order=False)

jobs/migrations/0002_auto_20181017_1104.py

@@ -0,0 +1,53 @@
+# Generated by Django 2.1.2 on 2018-10-17 11:04
+
+from django.db import migrations, models
+import django.db.models.deletion
+import jobs.date_utils
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('jobs', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Answer',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('text', models.TextField()),
+                ('application', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='answers', to='jobs.Application')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Question',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.TextField()),
+            ],
+        ),
+        migrations.AlterModelOptions(
+            name='tag',
+            options={'ordering': ['name']},
+        ),
+        migrations.AlterField(
+            model_name='job',
+            name='expires',
+            field=models.DateTimeField(default=jobs.date_utils.after_30_days, editable=False),
+        ),
+        migrations.AddField(
+            model_name='question',
+            name='job',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='questions', to='jobs.Job'),
+        ),
+        migrations.AddField(
+            model_name='answer',
+            name='question',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='answers', to='jobs.Question'),
+        ),
+        migrations.AlterUniqueTogether(
+            name='answer',
+            unique_together={('question', 'application')},
+        ),
+    ]

jobs/models.py

@@ -49,6 +49,16 @@ class Job(models.Model):
         return self.title
 
 
+class Question(models.Model):
+    ''' A model to hold screening questions for a job post '''
+    name = models.TextField()
+    job = models.ForeignKey(
+        Job, related_name='questions', on_delete=models.CASCADE)
+
+    def __str__(self):
+        return self.name
+
+
 class Application(models.Model):
     ''' A model representing applications to job '''
 
@@ -64,3 +74,20 @@ class Application(models.Model):
 
     def __str__(self):
         return "{0} - Job: {1}".format(self.applicant, self.job)
+
+
+class Answer(models.Model):
+    ''' a model to hold answers for screening questions by job applicants '''
+
+    question = models.ForeignKey(
+        Question, related_name='answers', on_delete=models.CASCADE)
+    application = models.ForeignKey(
+        Application, related_name='answers', on_delete=models.CASCADE
+    )
+    text = models.TextField()
+
+    class Meta:
+        unique_together = ('question', 'application')
+
+    def __str__(self):
+        return "Answer for : {0} - {1}".format(self.question, self.application)

jobs/templates/jobs/job_form.html

@@ -6,7 +6,14 @@
 {% block body_content %}
 <div class="row">
     <div class="col-md-12">
-        {% crispy form %}
+        <form method="POST" action=".">  
+            {% csrf_token %}      
+            {{ form |crispy }}
+            <h4>Screening Questions</h4>
+            {{ question_form |crispy }}        
+            <input class="btn btn-primary submit" type="submit" value="Post Job"/>        
+        </form>
+        {{form.media}}
     </div>
 </div>
 {% endblock %}

jobs/views.py

@@ -1,10 +1,11 @@
 from django.urls import reverse_lazy
+from django.http import HttpResponseRedirect
 from django.views.generic import (
     TemplateView, ListView, CreateView
 )
 
 from .models import Job
-from .forms import JobForm
+from .forms import JobForm, QuestionFormSet
 
 
 class Index(TemplateView):
@@ -21,7 +22,35 @@ class JobCreate(CreateView):
     form_class = JobForm
     success_url = reverse_lazy("jobs:list")
 
-    def form_valid(self, form):
-        obj = form.save(commit=False)
-        obj.posted_by = self.request.user
-        return super().form_valid(form)
+    def get(self, request, *args, **kwargs):
+        self.object = None
+        form = self.get_form(self.get_form_class())
+        question_form = QuestionFormSet()
+        return self.render_to_response(
+            self.get_context_data(form=form, question_form=question_form))
+
+    def post(self, request, *args, **kwargs):
+        self.object = None
+        form_class = self.get_form_class()
+        form = self.get_form(form_class)
+        question_form = QuestionFormSet(self.request.POST)
+        if (form.is_valid() and question_form.is_valid()):
+            return self.form_valid(form, question_form)
+        else:
+            return self.form_invalid(form, question_form)
+
+    def form_valid(self, form, question_form):
+        self.object = form.save(commit=False)
+        self.object.posted_by = self.request.user
+        self.object.save()
+
+        question_form.instance = self.object
+        question_form.save()
+
+        return HttpResponseRedirect(self.get_success_url())
+
+    def form_invalid(self, form, question_form):
+        return self.render_to_response(
+            self.get_context_data(
+                form=form,
+                question_form=question_form))