updated calendar models and admin

widget_OhMyBash/widget_calendar/admin.py

 from django.contrib import admin
 
-# Register your models here.
+from .models import Event, Location
+
+
+class EventAdmin(admin.ModelAdmin):
+    model = Event
+    search_fields = ('activity','target_datetime','course', )
+    list_display = ('activity','target_datetime', )
+    list_filter = ('target_datetime','course', )
+    fieldsets = [
+        ('Activity', {
+            'fields':[('activity','course' ),
+                      'target_datetime','location','estimated_hours']
+        }),
+    ]
+
+
+class LocationAdmin(admin.ModelAdmin):
+    model = Location
+    search_fields = ('venue','mode', )
+    list_display = ('venue','mode', )
+    list_filter = ('mode', )
+
+
+class EventInline(admin.TabularInline):
+    model = Event
+
+class LocationInline(admin.TabularInline):
+    model = Location
+
+admin.site.register(Event, EventAdmin)
+admin.site.register(Location, LocationAdmin)
\ No newline at end of file

widget_OhMyBash/widget_calendar/migrations/0001_initial.py

+# Generated by Django 4.1.7 on 2023-03-04 14:12
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Location',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('mode', models.CharField(choices=[('OS', 'Onsite'), ('OL', 'Online'), ('HB', 'Hybrid')], default='OS', max_length=2)),
+                ('venue', models.CharField(max_length=100)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Event',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('target_datetime', models.DateTimeField()),
+                ('activity', models.CharField(max_length=255)),
+                ('estimated_hours', models.FloatField()),
+                ('course', models.CharField(max_length=100)),
+                ('location', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='widget_calendar.location')),
+            ],
+        ),
+    ]

widget_OhMyBash/widget_calendar/models.py

 from django.db import models
 
-# Create your models here.
+
+class Location(models.Model):
+    onsite = 'OS'
+    online = 'OL'
+    hybrid = 'HB'
+    mode_choices = [ 
+        (onsite, 'Onsite'),
+        (online, 'Online'),
+        (hybrid, 'Hybrid'),
+    ]
+    mode = models.CharField(max_length=2, choices=mode_choices, default=onsite, )
+    venue = models.CharField(max_length=100)
+    
+    def __str__(self):
+        return '{}, {}'.format(self.mode, self.venue)
+
+class Event(models.Model):
+    target_datetime = models.DateTimeField()
+    activity = models.CharField(max_length=255)
+    estimated_hours = models.FloatField()
+    location = models.ForeignKey(Location, on_delete=models.CASCADE)
+    course = models.CharField(max_length=100)
+    
+    def __str__(self):
+        return '{}, {}'.format(self.activity, self.target_datetime)
\ No newline at end of file