Add demo django application.

testimonials/admin.py

+from django.contrib import admin
+from testimonials.models import Author
+from testimonials.models import Testimonial
+from testimonials.models import TestimonialShare
+
+
+@admin.register(Author)
+class AuthorAdmin(admin.ModelAdmin):
+    list_display = ('__str__', 'first_name', 'last_name')
+
+
+@admin.register(Testimonial)
+class TestimonialAdmin(admin.ModelAdmin):
+    list_filter = ('agency', 'testimonial_type', 'is_verified')
+    list_select_related = ('agency', 'consultant')
+    list_display = ('consultant', 'testimonial_type', 'is_verified', 'rating', 'agency')
+    search_fields = (
+        'consultant__email', 'consultant__first_name', 'consultant__last_name')
+    raw_id_fields = ('consultant', 'author', 'application')
+
+
+@admin.register(TestimonialShare)
+class TestimonialShareAdmin(admin.ModelAdmin):
+    raw_id_fields = ['image_own', 'image_colleague']

testimonials/apps.py

+from django.apps import AppConfig
+
+
+class TestimonialsConfig(AppConfig):
+    name = 'testimonials'
+
+    def ready(self):
+        super().ready()
+        from testimonials import signals  # pylint:disable=unused-variable

testimonials/filters.py

+from django.db.models import Q
+from django.utils.translation import ugettext_lazy as _
+from django_filters import rest_framework as filters
+
+from accounts.models import AgencyUser
+from testimonials.models import Testimonial
+
+
+class TestimonialFilter(filters.FilterSet):
+    author_type = filters.CharFilter(
+        name='author__author_type', help_text='Author type. One of [candidate, contact]')
+    consultant_id = filters.ModelChoiceFilter(
+        name='consultant_id', to_field_name='id',
+        help_text=_('Filter by consultant_id'),
+        queryset=AgencyUser.objects.all())
+    specialities = filters.CharFilter(
+        method='filter_specialities',
+        help_text=_('Filter by consultant\'s specialities(tags). '
+                    'if consultant has any tag from the list. Value should be separated by | '
+                    'Example: \'one\' or \'one|two\' '))
+
+    class Meta:
+        model = Testimonial
+        fields = ['author_type', 'consultant_id', 'specialities']
+
+    def filter_specialities(self, queryset, name, value):
+        values = value.split('|')
+        q = Q()
+        for tag in values:
+            q |= Q(consultant__specialities__icontains=tag)
+        qs = queryset.filter(q)
+        return qs

testimonials/managers.py

+from django.db import models
+
+
+class TestimonialQueryset(models.QuerySet):
+
+    def public(self):
+        qs = self\
+            .filter(status=self.model.STATUS.public)\
+            .exclude(text='')
+        return qs
+
+    def private(self):
+        return self.exclude(status=self.model.STATUS.public)
+
+    def placed(self):
+        qs = self.filter(testimonial_type=self.model.TYPES.app_placed)
+        return qs

testimonials/migrations/0001_initial.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.6 on 2019-11-27 08:21
+from __future__ import unicode_literals
+
+import django.core.validators
+from django.db import migrations, models
+import django.db.models.deletion
+import django.utils.timezone
+import model_utils.fields
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('agencies', '0061_add_testimonials_flag'),
+        ('applications', '0023_auto_20190924_0709'),
+        ('accounts', '0036_can_delete_crm'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Author',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('email', models.EmailField(max_length=254, unique=True, verbose_name='Email address')),
+                ('first_name', models.CharField(blank=True, max_length=30, verbose_name='First Name')),
+                ('last_name', models.CharField(blank=True, max_length=30, verbose_name='Last Name')),
+                ('occupation', models.CharField(blank=True, max_length=30, verbose_name='Occupation')),
+                ('author_type', models.CharField(choices=[('candidate', 'Candidate'), ('client', 'Client'), ('consultant', 'Consultant')], max_length=20, verbose_name='Type')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Testimonial',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created', model_utils.fields.AutoCreatedField(default=django.utils.timezone.now, editable=False, verbose_name='created')),
+                ('modified', model_utils.fields.AutoLastModifiedField(default=django.utils.timezone.now, editable=False, verbose_name='modified')),
+                ('rating', models.PositiveSmallIntegerField(help_text='Rating value [1 to 5].', validators=[django.core.validators.MaxValueValidator(5), django.core.validators.MinValueValidator(1)], verbose_name='Rating')),
+                ('testimonial_type', models.CharField(choices=[('app_viewed', 'App was viewed'), ('app_interviewed', 'App was interviewed'), ('app_offered', 'App was offered'), ('app_placed', 'App was placed')], db_index=True, max_length=20, verbose_name='Type')),
+                ('comment', models.TextField(blank=True, verbose_name='Comment')),
+                ('date', models.DateTimeField(verbose_name='Custom date of create')),
+                ('agency', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='testimonials', to='agencies.Agency', verbose_name='Agency')),
+                ('application', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='applications.Application', verbose_name='Application')),
+                ('author', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='testimonials.Author', verbose_name='Author')),
+                ('consultant', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='testimonials', to='accounts.AgencyUser', verbose_name='Consultant')),
+            ],
+            options={
+                'ordering': ('-created',),
+            },
+        ),
+    ]

testimonials/migrations/0002_update_author_constraint.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.6 on 2019-11-29 09:04
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('testimonials', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='author',
+            options={'ordering': ('-id',)},
+        ),
+        migrations.AlterField(
+            model_name='author',
+            name='email',
+            field=models.EmailField(max_length=254, verbose_name='Email address'),
+        ),
+        migrations.AlterUniqueTogether(
+            name='author',
+            unique_together=set([('email', 'author_type')]),
+        ),
+    ]

testimonials/migrations/0003_add_main_text.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.6 on 2019-12-02 08:23
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('testimonials', '0002_update_author_constraint'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='testimonial',
+            name='text',
+            field=models.TextField(blank=True, verbose_name='Main testimonial'),
+        ),
+        migrations.AlterField(
+            model_name='author',
+            name='author_type',
+            field=models.CharField(
+                choices=[('candidate', 'Candidate'), ('contact', 'Contact client'), ('consultant', 'Consultant')],
+                max_length=20, verbose_name='Type'),
+        ),
+        migrations.AlterField(
+            model_name='author',
+            name='occupation',
+            field=models.CharField(blank=True, max_length=100, verbose_name='Occupation'),
+        ),
+    ]

testimonials/migrations/0004_add_limit.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.6 on 2019-12-05 14:52
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('testimonials', '0003_add_main_text'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='testimonial',
+            name='comment',
+            field=models.TextField(blank=True, max_length=100, verbose_name='Comment'),
+        ),
+        migrations.AlterField(
+            model_name='testimonial',
+            name='text',
+            field=models.TextField(blank=True, max_length=1000, verbose_name='Main testimonial'),
+        ),
+    ]

testimonials/migrations/0005_blank_values_internal_testimonials.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.6 on 2019-12-06 08:13
+from __future__ import unicode_literals
+
+import django.core.validators
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('testimonials', '0004_add_limit'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='author',
+            name='email',
+            field=models.EmailField(blank=True, max_length=254, verbose_name='Email address'),
+        ),
+        migrations.AlterField(
+            model_name='testimonial',
+            name='agency',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='testimonials', to='agencies.Agency', verbose_name='Agency'),
+        ),
+        migrations.AlterField(
+            model_name='testimonial',
+            name='rating',
+            field=models.PositiveSmallIntegerField(help_text='Rating value [1 to 5].', null=True, validators=[django.core.validators.MaxValueValidator(5), django.core.validators.MinValueValidator(1)], verbose_name='Rating'),
+        ),
+        migrations.AlterField(
+            model_name='testimonial',
+            name='testimonial_type',
+            field=models.CharField(choices=[('default', 'Default'), ('app_interviewed', 'App was interviewed'), ('app_placed', 'App was placed')], db_index=True, max_length=20, verbose_name='Type'),
+        ),
+        migrations.AlterUniqueTogether(
+            name='author',
+            unique_together=set([]),
+        ),
+    ]

testimonials/migrations/0006_add_public_status.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.6 on 2019-12-09 07:49
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+import django.utils.timezone
+import model_utils.fields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('testimonials', '0005_blank_values_internal_testimonials'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='testimonial',
+            name='status',
+            field=model_utils.fields.StatusField(choices=[('new', 'New'), ('public', 'Public')], default='new', max_length=100, no_check_for_status=True, verbose_name='status'),
+        ),
+        migrations.AddField(
+            model_name='testimonial',
+            name='status_changed',
+            field=model_utils.fields.MonitorField(default=django.utils.timezone.now, monitor='status', verbose_name='status changed'),
+        ),
+        migrations.AlterField(
+            model_name='testimonial',
+            name='author',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='testimonials', to='testimonials.Author', verbose_name='Author'),
+        ),
+    ]

testimonials/migrations/0007_separate_status_interviewed.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.6 on 2019-12-10 09:22
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+def sync_old_interviewed(apps, schema_editor):
+    Testimonial = apps.get_model("testimonials", "Testimonial")
+    Testimonial.objects.filter(testimonial_type='app_interviewed').update(testimonial_type='app_interviewed_internal')
+
+
+def reverse_old_interviewed(apps, schema_editor):
+    Testimonial = apps.get_model("testimonials", "Testimonial")
+    Testimonial.objects.filter(testimonial_type='app_interviewed_internal').update(testimonial_type='app_interviewed')
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('testimonials', '0006_add_public_status'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='testimonial',
+            name='testimonial_type',
+            field=models.CharField(choices=[('default', 'Default'), ('app_interviewed_internal', 'Candidate has internal interview'), ('app_interviewed_external', 'Candidate has external interview'), ('app_placed', 'Candidate has been placed')], db_index=True, max_length=40, verbose_name='Type'),
+        ),
+        migrations.RunPython(sync_old_interviewed, reverse_old_interviewed),
+    ]

testimonials/migrations/0008_add_is_verified.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.6 on 2020-02-13 08:28
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('testimonials', '0007_separate_status_interviewed'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='testimonial',
+            options={'ordering': ('-date', '-created')},
+        ),
+        migrations.AddField(
+            model_name='testimonial',
+            name='is_verified',
+            field=models.BooleanField(default=True, verbose_name='Is verified?'),
+        ),
+    ]

testimonials/migrations/0009_migrate_author_type.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.6 on 2020-02-13 08:30
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+def remove_consultant_author_type(apps, schema_editor):
+    Testimonial = apps.get_model("testimonials", "Testimonial")
+    Testimonial.objects.filter(author__author_type='consultant').update(is_verified=False)
+    for t in Testimonial.objects.filter(is_verified=False):
+        t.author.author_type = 'candidate'
+        t.author.save()
+
+
+def revert_consultant_author_type(apps, schema_editor):
+    Testimonial = apps.get_model("testimonials", "Testimonial")
+    for t in Testimonial.objects.filter(is_verified=False):
+        t.author.author_type = 'consultant'
+        t.author.save()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('testimonials', '0008_add_is_verified'),
+    ]
+
+    operations = [
+        migrations.RunPython(remove_consultant_author_type, revert_consultant_author_type),
+    ]

testimonials/migrations/0010_remove_consultant_author_type.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.6 on 2020-02-13 09:35
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('testimonials', '0009_migrate_author_type'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='author',
+            name='author_type',
+            field=models.CharField(choices=[('candidate', 'Candidate'), ('contact', 'Contact client')], max_length=20, verbose_name='Type'),
+        ),
+    ]

testimonials/migrations/0011_rename-agency.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.6 on 2020-03-11 14:09
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('testimonials', '0010_remove_consultant_author_type'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='testimonial',
+            name='agency',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='testimonials', to='agencies.Agency', verbose_name='Company'),
+        ),
+    ]

testimonials/migrations/0012_rename-consultant.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.6 on 2020-03-11 15:17
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('testimonials', '0011_rename-agency'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='testimonial',
+            name='consultant',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='testimonials', to='accounts.AgencyUser', verbose_name='Recruiter'),
+        ),
+    ]

testimonials/migrations/0013_add_testimonial_share.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.6 on 2020-04-09 13:32
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+import django.utils.timezone
+import model_utils.fields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('files', '0008_add_testimonial_share'),
+        ('testimonials', '0012_rename-consultant'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='TestimonialShare',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created', model_utils.fields.AutoCreatedField(default=django.utils.timezone.now, editable=False, verbose_name='created')),
+                ('modified', model_utils.fields.AutoLastModifiedField(default=django.utils.timezone.now, editable=False, verbose_name='modified')),
+                ('image_colleague', models.ForeignKey(help_text='Image about someone', on_delete=django.db.models.deletion.CASCADE, related_name='colleagues', to='files.TestimonialImage', verbose_name='Colleague image')),
+                ('image_own', models.ForeignKey(help_text='Image about me', on_delete=django.db.models.deletion.CASCADE, related_name='own', to='files.TestimonialImage', verbose_name='Own image')),
+                ('testimonial', models.OneToOneField(help_text='Testimonial.', on_delete=django.db.models.deletion.CASCADE, to='testimonials.Testimonial', verbose_name='Testimonial')),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+    ]

testimonials/migrations/0014_add_related_name_share.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.6 on 2020-04-09 14:43
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('testimonials', '0013_add_testimonial_share'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='testimonialshare',
+            options={'ordering': ('-created',)},
+        ),
+        migrations.AlterField(
+            model_name='testimonialshare',
+            name='testimonial',
+            field=models.OneToOneField(help_text='Testimonial.', on_delete=django.db.models.deletion.CASCADE, related_name='share', to='testimonials.Testimonial', verbose_name='Testimonial'),
+        ),
+    ]

testimonials/models.py

+from django.db import models
+from django.core.validators import MaxValueValidator, MinValueValidator
+from django.utils.translation import ugettext_lazy as _
+from model_utils import Choices
+from model_utils.models import StatusModel
+from model_utils.models import TimeStampedModel
+
+from testimonials.managers import TestimonialQueryset
+
+
+class Author(models.Model):
+    """
+    User who left review
+    """
+    TYPES = Choices(
+        ('candidate', _('Candidate')),
+        ('contact', _('Contact client')))
+    VERIFIED = [TYPES.candidate, TYPES.contact]
+
+    email = models.EmailField(_('Email address'), blank=True)
+    first_name = models.CharField(_('First Name'), max_length=30, blank=True)
+    last_name = models.CharField(_('Last Name'), max_length=30, blank=True)
+    occupation = models.CharField(_('Occupation'), max_length=100, blank=True)
+    author_type = models.CharField(_('Type'), choices=TYPES, max_length=20)
+
+    class Meta:
+        ordering = ('-id', )
+
+    def __str__(self):
+        return self.email or 'Unknown'
+
+    def get_full_name(self):
+        full_name = '%s %s' % (self.first_name, self.last_name)
+        return full_name.strip() or str(self)
+
+
+class Testimonial(StatusModel, TimeStampedModel):
+    TYPES = Choices(
+        ('default', _('Default')),
+        ('app_interviewed_internal', _('Candidate has internal interview')),
+        ('app_interviewed_external', _('Candidate has external interview')),
+        ('app_placed', _('Candidate has been placed')))
+    STATUS = Choices(
+        ('new', _('New')),
+        ('public', _('Public')))
+
+    agency = models.ForeignKey(
+        'agencies.Agency', on_delete=models.CASCADE, related_name='testimonials',
+        verbose_name=_('Company'), blank=True, null=True)