Solution

db/migrations/0001_initial.py

@@ -0,0 +1,52 @@
+# Generated by Django 4.0.2 on 2024-11-03 22:06
+
+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='skill_set', 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.DateTimeField(auto_now_add=True)),
+                ('guild', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='player_guild', to='db.guild')),
+                ('race', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='player_race', to='db.race')),
+            ],
+        ),
+    ]

db/migrations/0002_alter_race_name.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.0.2 on 2024-11-03 22:16
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('db', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='race',
+            name='name',
+            field=models.CharField(choices=[('Elf', 'Elf race'), ('Dwarf', 'Dwarf race'), ('Human', 'Human race'), ('Ork', 'Ork race')], max_length=255, unique=True),
+        ),
+    ]

db/models.py

@@ -1 +1,40 @@
 from django.db import models
+from django.db.models import SET_NULL
+
+
+class Race(models.Model):
+    RACE_TYPE = (
+        ("Elf", "Elf race"),
+        ("Dwarf", "Dwarf race"),
+        ("Human", "Human race"),
+        ("Ork", "Ork race"),
+    )
+    name = models.CharField(max_length=255, unique=True, choices=RACE_TYPE)
+    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,
+                             related_name="skill_set")
+
+
+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="player_race")
+    guild = models.ForeignKey(Guild,
+                              on_delete=SET_NULL,
+                              null=True,
+                              related_name="player_guild")
+    created_at = models.DateTimeField(auto_now_add=True)

main.py

@@ -1,10 +1,51 @@
-import init_django_orm  # noqa: F401
+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 source_file:
+        players = json.load(source_file)
+
+    for player, data in players.items():
+        # player data
+        nickname = player
+        email = data["email"]
+        biography = data["bio"]
+        # race data
+        race_name = data["race"]["name"]
+        race_description = data["race"]["description"]
+        # skill data
+        skills = data["race"]["skills"]
+        # guild data
+        guild_data = data.get("guild")
+
+        race, _ = Race.objects.get_or_create(
+            name=race_name,
+            description=race_description
+        )
+
+        for skill in skills:
+            current_skill, _ = Skill.objects.get_or_create(
+                name=skill["name"],
+                bonus=skill["bonus"],
+                race=race
+            )
+
+        if guild_data:
+            guild, _ = Guild.objects.get_or_create(
+                name=guild_data.get("name"),
+                description=guild_data.get("description")
+            )
+
+        Player.objects.get_or_create(
+            nickname=nickname,
+            email=email,
+            bio=biography,
+            race=race,
+            guild=guild if guild_data else None
+        )
 
 
 if __name__ == "__main__":