Split address from file upload so multiple files can be associated with an address

download/migrations/0006_auto_20201024_2123.py

@@ -0,0 +1,32 @@
+# Generated by Django 3.1.2 on 2020-10-24 21:23
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('download', '0005_auto_20201024_2028'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Address',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('address', models.CharField(max_length=128)),
+                ('city', models.CharField(max_length=32)),
+            ],
+        ),
+        migrations.RemoveField(
+            model_name='pdf',
+            name='address_string',
+        ),
+        migrations.AddField(
+            model_name='pdf',
+            name='address',
+            field=models.ForeignKey(default=None, on_delete=django.db.models.deletion.CASCADE, related_name='uploads', to='download.address'),
+            preserve_default=False,
+        ),
+    ]

download/migrations/0007_pdf_upload_date.py

@@ -0,0 +1,20 @@
+# Generated by Django 3.1.2 on 2020-10-24 21:34
+
+from django.db import migrations, models
+import django.utils.timezone
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('download', '0006_auto_20201024_2123'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='pdf',
+            name='upload_date',
+            field=models.DateTimeField(auto_now_add=True, default=django.utils.timezone.now),
+            preserve_default=False,
+        ),
+    ]

download/models.py

@@ -3,8 +3,14 @@ from core.models import CalgaryAddress
 from .validators import RestrictedFileField
 
 # Create your models here.
+class Address(models.Model):
+    address = models.CharField(max_length=128)
+    # TODO: add validation columns in relation to city
+    city = models.CharField(max_length=32)
+
 class PDF(models.Model):
     path = models.CharField(max_length=64)
     code = models.CharField(max_length=8)
-    address_string = models.CharField(max_length=128)
-    upload_file = RestrictedFileField(max_upload_size=1024*1024*1024*50, content_types=['pdf', 'application/pdf'], upload_to='uploads/%Y/%m/%d/')
+    upload_file = RestrictedFileField(max_upload_size=1024*1024*50, content_types=['pdf', 'application/pdf'], upload_to='uploads/%Y/%m/%d/')
+    address = models.ForeignKey(Address, on_delete=models.CASCADE, related_name='uploads')
+    upload_date = models.DateTimeField(auto_now_add=True, editable=False, null=False, blank=False)

download/templates/download/download-page.html

@@ -2,6 +2,6 @@
 {% block body %}
   <h1>Download Your Quote</h1>
   {% for thing in things %}
-    <p><a href="./d/{{ thing.id }}">{{ thing.address_string }}</a></p>
+    <p><a href="./d/{{ thing.id }}">{{ thing.address }}</a></p>
   {% endfor %}
 {% endblock %}

download/views.py

@@ -1,23 +1,24 @@
 from django.shortcuts import render, HttpResponse
 from django.http import FileResponse
-from .models import PDF
+from .models import Address, PDF
 from .forms import CodeForm
 
 # Create your views here.
 def starter(request):
-    print(list(PDF.objects.all()))
     return render(request, 'download/download-page.html', {
-        'things': list(PDF.objects.all())
+        'things': list(Address.objects.all())
     })
 
 def download(request, pdfid):
     if request.method == 'POST':
         form = CodeForm(request.POST)
         if form.is_valid():
-            pdfs = PDF.objects.filter(id=pdfid)
-            if len(pdfs) == 0:
+            addr = Address.objects.filter(id=pdfid)
+            if len(addr) == 0:
                 return render(request, 'common/not-found.html')
-            pdf = pdfs.filter(code=form.cleaned_data['code'])
+            addr = addr[0]
+            # TODO: If same address + different code, the old file is still visible if the old code is still known
+            pdf = PDF.objects.filter(address=addr, code=form.cleaned_data['code']).order_by('upload_date').reverse()
             if len(pdf) == 0:
                 return render(request, 'common/password-incorrect.html')
             pdf = pdf[0]

upload/views.py

@@ -1,6 +1,6 @@
 from sodapy import Socrata
 from core.models import CalgaryAddress
-from download.models import PDF
+from download.models import PDF, Address
 from django.shortcuts import render, HttpResponse
 import json
 from .forms import PDFForm
@@ -43,22 +43,33 @@ def upload(request):
                 print(pdf_file)
                 filename = pdf_file.name
                 code = filename.split(".")[0].split(" ")[-1]
+                city = filename.split(".")[0].split(" ")[-2]
                 address = ' '.join(filename.split(" ")[:-1])
                 name = 'quote_'+code+'.pdf'
-                possible_match = PDF.objects.filter(address_string=address)
+                possible_match = Address.objects.filter(address=address)
                 # if address already entered
                 if len(possible_match) > 0:
-                    # update file
-                    possible_match[0].upload_file = pdf_file
-                    possible_match[0].save()
+                    pdf = PDF.objects.create(
+                        path=name,
+                        code=code,
+                        upload_file=pdf_file,
+                        address=possible_match[0]
+                    )
+                    pdf.save()
                 else: 
                     # Save new address
+                    addr = Address.objects.create(
+                        address=address,
+                        city=city
+                    )
+                    # code is currently changable per file
                     pdf = PDF.objects.create(
                             path=name,
-                            address_string=address,
                             code=code,
-                            upload_file=pdf_file
+                            upload_file=pdf_file,
+                            address=addr
                     )
+                    addr.save()
                     pdf.save()
             return HttpResponse("File(s) saved") # TODO: "x Files Saved"
     elif request.method == "GET":