Setup models and database

apps/participation/migrations/0001_initial.py

@@ -0,0 +1,77 @@
+# Generated by Django 3.1.1 on 2020-09-21 15:51
+
+import django.core.validators
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Participation',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('problem', models.IntegerField(choices=[(1, 'Problem #1'), (2, 'Problem #2'), (3, 'Problem #3'), (4, 'Problem #4')], default=None, null=True, verbose_name='problem number')),
+            ],
+            options={
+                'verbose_name': 'participation',
+                'verbose_name_plural': 'participations',
+            },
+        ),
+        migrations.CreateModel(
+            name='Team',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255, unique=True, verbose_name='name')),
+                ('trigram', models.CharField(help_text='The trigram must be composed of 3 uppercase letters.', max_length=3, unique=True, validators=[django.core.validators.RegexValidator('[A-Z]{3}')], verbose_name='trigram')),
+                ('access_code', models.CharField(help_text='The access code let other people to join the team.', max_length=6, verbose_name='access code')),
+            ],
+            options={
+                'verbose_name': 'team',
+                'verbose_name_plural': 'teams',
+            },
+        ),
+        migrations.CreateModel(
+            name='Video',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('link', models.URLField(help_text='The full video link.', verbose_name='link')),
+                ('valid', models.BooleanField(default=None, help_text='The video got the validation of the administrators.', null=True, verbose_name='valid')),
+                ('participation', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='participation.participation', verbose_name='participation')),
+            ],
+            options={
+                'verbose_name': 'video',
+                'verbose_name_plural': 'videos',
+            },
+        ),
+        migrations.AddIndex(
+            model_name='team',
+            index=models.Index(fields=['trigram'], name='participati_trigram_239255_idx'),
+        ),
+        migrations.AddField(
+            model_name='participation',
+            name='received_participation',
+            field=models.OneToOneField(default=None, null=True, on_delete=django.db.models.deletion.PROTECT, related_name='sent_participation', to='participation.participation', verbose_name='received participation'),
+        ),
+        migrations.AddField(
+            model_name='participation',
+            name='solution',
+            field=models.ForeignKey(default=None, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='+', to='participation.video', verbose_name='solution video'),
+        ),
+        migrations.AddField(
+            model_name='participation',
+            name='synthesis',
+            field=models.ForeignKey(default=None, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='+', to='participation.video', verbose_name='synthesis video'),
+        ),
+        migrations.AddField(
+            model_name='participation',
+            name='team',
+            field=models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, to='participation.team', verbose_name='team'),
+        ),
+    ]

apps/participation/models.py

@@ -1,3 +1,113 @@
+from django.core.validators import RegexValidator
 from django.db import models
+from django.db.models import Index
+from django.utils.translation import gettext_lazy as _
 
-# Create your models here.
+
+class Team(models.Model):
+    name = models.CharField(
+        max_length=255,
+        verbose_name=_("name"),
+        unique=True,
+    )
+
+    trigram = models.CharField(
+        max_length=3,
+        verbose_name=_("trigram"),
+        help_text=_("The trigram must be composed of 3 uppercase letters."),
+        unique=True,
+        validators=[RegexValidator("[A-Z]{3}")],
+    )
+
+    access_code = models.CharField(
+        max_length=6,
+        verbose_name=_("access code"),
+        help_text=_("The access code let other people to join the team."),
+    )
+
+    def __str__(self):
+        return _("Team {name} ({trigram})").format(name=self.name, trigram=self.trigram)
+
+    class Meta:
+        verbose_name = _("team")
+        verbose_name_plural = _("teams")
+        indexes = [
+            Index(fields=("trigram", )),
+        ]
+
+
+class Participation(models.Model):
+    team = models.OneToOneField(
+        Team,
+        on_delete=models.CASCADE,
+        verbose_name=_("team"),
+    )
+
+    problem = models.IntegerField(
+        choices=[(i, _("Problem #{problem:d}").format(problem=i)) for i in range(1, 5)],
+        null=True,
+        default=None,
+        verbose_name=_("problem number"),
+    )
+
+    solution = models.ForeignKey(
+        "participation.Video",
+        on_delete=models.SET_NULL,
+        related_name="+",
+        null=True,
+        default=None,
+        verbose_name=_("solution video"),
+    )
+
+    received_participation = models.OneToOneField(
+        "participation.Participation",
+        on_delete=models.PROTECT,
+        related_name="sent_participation",
+        null=True,
+        default=None,
+        verbose_name=_("received participation"),
+    )
+
+    synthesis = models.ForeignKey(
+        "participation.Video",
+        on_delete=models.SET_NULL,
+        related_name="+",
+        null=True,
+        default=None,
+        verbose_name=_("synthesis video"),
+    )
+
+    def __str__(self):
+        return _("Participation of the team {name} ({trigram})").format(name=self.team.name, trigram=self.team.trigram)
+
+    class Meta:
+        verbose_name = _("participation")
+        verbose_name_plural = _("participations")
+
+
+class Video(models.Model):
+    participation = models.ForeignKey(
+        "participation.Participation",
+        on_delete=models.CASCADE,
+        verbose_name=_("participation"),
+    )
+
+    link = models.URLField(
+        verbose_name=_("link"),
+        help_text=_("The full video link."),
+    )
+
+    valid = models.BooleanField(
+        null=True,
+        default=None,
+        verbose_name=_("valid"),
+        help_text=_("The video got the validation of the administrators."),
+    )
+
+    def __str__(self):
+        return _("Video of team {name} ({trigram})")\
+            .format(name=self.participation.team.name, trigram = self.participation.team.trigram)
+
+    class Meta:
+        verbose_name = _("video")
+        verbose_name_plural = _("videos")