initial commit

sample_app/admin.py

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+from django.contrib import admin
+
+# Register your models here.

sample_app/apps.py

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+from django.apps import AppConfig
+
+
+class SampleAppConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'sample_app'

sample_app/migrations/0001_initial.py

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+# Generated by Django 5.1.1 on 2024-09-09 12:01
+
+import django.db.models.deletion
+import uuid
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='CatalogFile',
+            fields=[
+                ('uuid', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
+                ('name', models.CharField(max_length=32)),
+                ('status', models.CharField(choices=[('PENDING', 'Pending'), ('INGESTED', 'Ingested'), ('INDEXED', 'Indexed')], default='PENDING', max_length=10)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='GaiaSource',
+            fields=[
+                ('uuid', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
+                ('solution_id', models.CharField(blank=True, default='', max_length=19)),
+                ('designation', models.CharField(blank=True, default='', max_length=30)),
+                ('source_id', models.CharField(blank=True, default='', max_length=19)),
+                ('ref_epoch', models.FloatField(default=0.0, null=True)),
+                ('ra', models.FloatField(default=0.0, null=True)),
+                ('ra_error', models.FloatField(default=0.0, null=True)),
+                ('dec', models.FloatField(default=0.0, null=True)),
+                ('dec_error', models.FloatField(default=0.0, null=True)),
+                ('parallax', models.FloatField(default=0.0, null=True)),
+                ('parallax_error', models.FloatField(default=0.0, null=True)),
+                ('pmra', models.FloatField(default=0.0, null=True)),
+                ('pmra_error', models.FloatField(default=0.0, null=True)),
+                ('pmdec', models.FloatField(default=0.0, null=True)),
+                ('pmdec_error', models.FloatField(default=0.0, null=True)),
+                ('phot_g_mean_mag', models.FloatField(default=0.0, null=True)),
+                ('phot_bp_mean_mag', models.FloatField(default=0.0, null=True)),
+                ('phot_rp_mean_mag', models.FloatField(default=0.0, null=True)),
+                ('catalog_file', models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, related_name='sources', to='sample_app.catalogfile')),
+            ],
+        ),
+    ]

sample_app/migrations/0002_alter_catalogfile_status.py

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+# Generated by Django 5.1.1 on 2024-09-09 14:26
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('sample_app', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='catalogfile',
+            name='status',
+            field=models.CharField(choices=[('PENDING', 'Pending'), ('IN_PROGRESS', 'In Progress'), ('INGESTED', 'Ingested'), ('INDEXED', 'Indexed')], default='PENDING', max_length=11),
+        ),
+    ]

sample_app/models.py

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+from django.db import models
+import uuid
+
+class CatalogFile(models.Model):
+
+    uuid = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
+
+    name = models.CharField(max_length=32)
+
+    STATUS_CHOICES = [
+        ('PENDING', 'Pending'),
+        ('IN_PROGRESS', 'In Progress'),
+        ('INGESTED', 'Ingested'),
+        ('INDEXED', 'Indexed')
+    ]
+
+    status = models.CharField(max_length=11, choices=STATUS_CHOICES, default='PENDING')
+
+class GaiaSource(models.Model):
+
+    uuid = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
+    
+    catalog_file = models.ForeignKey(
+        CatalogFile, on_delete=models.CASCADE, 
+        related_name='sources', null=True
+    )
+
+    solution_id = models.CharField(blank=True, default='', max_length=19)
+    #solution identifier
+    #why charfield and not integerfield?
+    
+    designation = models.CharField(max_length=30, blank=True, default='')
+    #unique source designation across all DR
+    
+    source_id = models.CharField(max_length=19, blank=True, default='')
+    #unique id within DR again why not integer
+        
+    ref_epoch = models.FloatField(default=0.0, null=True)
+    #reference epoch julian years    
+    
+    ra = models.FloatField(default=0.0, null=True)
+    ra_error = models.FloatField(default=0.0, null=True)
+    #barycentric ra in icrs at ref epoch
+    #error in mas
+
+    dec = models.FloatField(default=0.0, null=True)
+    dec_error = models.FloatField(default=0.0, null=True)
+    #barycentric dec in icrs at ref epoch
+    #error in mas
+ 
+    parallax = models.FloatField(default=0.0, null=True)
+    parallax_error = models.FloatField(default=0.0, null=True)
+    #parallax and error at ref epoch in mas
+
+    pmra = models.FloatField(default=0.0, null=True)
+    pmra_error = models.FloatField(default=0.0, null=True)
+    #proper motion over ra mas/yr
+    
+    pmdec = models.FloatField(default=0.0, null=True)
+    pmdec_error = models.FloatField(default=0.0, null=True)
+    #proper motion over dec mas/yr
+
+    phot_g_mean_mag = models.FloatField(default=0.0, null=True)
+    #mean g band magnitude, vega scale
+    
+    phot_bp_mean_mag = models.FloatField(default=0.0, null=True)
+    #mean bp magnitude, vega scale
+    
+    phot_rp_mean_mag = models.FloatField(default=0.0, null=True)
+    #mean rp magnitude, vega scale
+
+
+
+

sample_app/serializers.py

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+from rest_framework import serializers
+from .models import GaiaSource
+
+class GaiaSourceSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = GaiaSource
+        fields = '__all__'

sample_app/tests.py

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+from django.test import TestCase
+
+# Create your tests here.

sample_app/urls.py

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+from django.urls import path
+from .views import GaiaSourceListCreate, GaiaSourceDetail
+
+urlpatterns = [
+    path('GaiaSource/', GaiaSourceListCreate.as_view(), name='GaiaSource-list-create'),
+    path('GaiaSource/<int:pk>/', GaiaSourceDetail.as_view(), name='GaiaSource-detail'),
+]

sample_app/views.py

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+from django.shortcuts import render
+
+from rest_framework import generics
+from .models import GaiaSource
+from .serializers import GaiaSourceSerializer
+
+class GaiaSourceListCreate(generics.ListCreateAPIView):
+    queryset = GaiaSource.objects.all()
+    serializer_class = GaiaSourceSerializer
+
+class GaiaSourceDetail(generics.RetrieveUpdateDestroyAPIView):
+    queryset = GaiaSource.objects.all()
+    serializer_class = GaiaSourceSerializer