Solution

db/migrations/0001_initial.py

@@ -0,0 +1,52 @@
+# Generated by Django 4.0.2 on 2023-07-18 22:19
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Guild',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255, unique=True)),
+                ('description', models.TextField(null=True)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Race',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255, unique=True)),
+                ('description', models.TextField(blank=True)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Skill',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255, unique=True)),
+                ('bonus', models.CharField(max_length=255)),
+                ('race', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='races', to='db.race')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Player',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('nickname', models.CharField(max_length=255, unique=True)),
+                ('email', models.EmailField(max_length=255)),
+                ('bio', models.CharField(max_length=255)),
+                ('created_at', models.DateField(auto_now_add=True)),
+                ('guild', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='players', to='db.guild')),
+                ('race', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='players', to='db.race')),
+            ],
+        ),
+    ]

db/migrations/0002_alter_skill_race.py

@@ -0,0 +1,19 @@
+# Generated by Django 4.0.2 on 2023-07-19 00:16
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('db', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='skill',
+            name='race',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='skills', to='db.race'),
+        ),
+    ]

db/migrations/0003_alter_skill_race.py

@@ -0,0 +1,19 @@
+# Generated by Django 4.0.2 on 2023-07-19 00:17
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('db', '0002_alter_skill_race'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='skill',
+            name='race',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='db.race'),
+        ),
+    ]

db/models.py

@@ -1 +1,38 @@
 from django.db import models
+
+
+class Race(models.Model):
+    name = models.CharField(max_length=255, unique=True)
+    description = models.TextField(blank=True)
+
+
+class Skill(models.Model):
+    name = models.CharField(max_length=255, unique=True)
+    bonus = models.CharField(max_length=255)
+    race = models.ForeignKey(
+        Race,
+        on_delete=models.CASCADE
+    )
+
+
+class Guild(models.Model):
+    name = models.CharField(max_length=255, unique=True)
+    description = models.TextField(null=True)
+
+
+class Player(models.Model):
+    nickname = models.CharField(max_length=255, unique=True)
+    email = models.EmailField(max_length=255)
+    bio = models.CharField(max_length=255)
+    race = models.ForeignKey(
+        Race,
+        on_delete=models.CASCADE,
+        related_name="players"
+    )
+    guild = models.ForeignKey(
+        Guild,
+        on_delete=models.SET_NULL,
+        null=True,
+        related_name="players"
+    )
+    created_at = models.DateField(auto_now_add=True)

main.py

@@ -1,10 +1,45 @@
+import json
+
 import init_django_orm  # noqa: F401
 
 from db.models import Race, Skill, Player, Guild
 
 
 def main() -> None:
-    pass
+    with open("players.json", "r") as file:
+        data = json.load(file)
+
+    for player_name in data:
+        player = data[player_name]
+        race, race_exists = Race.objects.get_or_create(
+                name=player["race"]["name"],
+                description=player["race"]["description"]
+            )
+
+        # Create player
+        player_data = {
+            "nickname": player_name,
+            "email": player.get("email"),
+            "bio": player.get("bio"),
+            "race": race,
+            "guild": (
+                None if not player["guild"]
+                else Guild.objects.get_or_create(
+                    name=player["guild"]["name"],
+                    description=player["guild"]["description"]
+                )[0]
+            )
+        }
+        Player.objects.create(**player_data)
+
+        # Define race-related skills
+        if not race_exists:
+            for skill in player["race"]["skills"]:
+                race.skill_set.get_or_create(
+                    name=skill.get("name"),
+                    bonus=skill.get("bonus"),
+                    race=race
+                )
 
 
 if __name__ == "__main__":