Created OS model

FOSSDB_web/apps/fossdb/migrations/0002_operatingsystem_project_os.py

@@ -0,0 +1,27 @@
+# Generated by Django 4.1.7 on 2023-04-09 10:35
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('fossdb', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='OperatingSystem',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=100)),
+                ('description', models.TextField(blank=True, default='')),
+                ('version', models.CharField(blank=True, max_length=50)),
+            ],
+        ),
+        migrations.AddField(
+            model_name='project',
+            name='os',
+            field=models.ManyToManyField(to='fossdb.operatingsystem'),
+        ),
+    ]

FOSSDB_web/apps/fossdb/models.py

@@ -3,6 +3,12 @@ import uuid
 from django.conf import settings
 from django.db import models
 
+from .host.models import HostingPlatform
+from .language.models import ProgrammingLanguage
+from .license.models import License
+from .operating_system.models import OperatingSystem
+from .tag.models import Tag
+
 User = settings.AUTH_USER_MODEL
 
 
@@ -11,10 +17,11 @@ class Project(models.Model):
     author = models.ForeignKey(User, on_delete=models.CASCADE)
     name = models.CharField(max_length=255)
     description = models.TextField(blank=True, default="")
-    licenses = models.ManyToManyField("License")
-    programming_languages = models.ManyToManyField("ProgrammingLanguage", through="ProjectProgrammingLanguage", related_name="projects")
-    hosting_platform = models.ManyToManyField("HostingPlatform", through="ProjectHostingPlatform", related_name="projects")
-    tag = models.ManyToManyField("Tag")
+    licenses = models.ManyToManyField(License)
+    programming_languages = models.ManyToManyField(ProgrammingLanguage, through="ProjectProgrammingLanguage", related_name="projects")
+    hosting_platform = models.ManyToManyField(HostingPlatform, through="ProjectHostingPlatform", related_name="projects")
+    tag = models.ManyToManyField(Tag)
+    os = models.ManyToManyField(OperatingSystem)
     date_created = models.DateTimeField(auto_now_add=True)
 
     def save(self, *args, **kwargs):

FOSSDB_web/apps/fossdb/operating_system/models.py

@@ -0,0 +1,7 @@
+from django.db import models
+
+
+class OperatingSystem(models.Model):
+    name = models.CharField(max_length=100)
+    description = models.TextField(blank=True, default="")
+    version = models.CharField(max_length=50, blank=True)