Module upload handling works

PDMI/store/forms.py

@@ -2,7 +2,7 @@ from django.contrib.auth.forms import UserCreationForm, AuthenticationForm
 from django.contrib.auth.models import User
 from bootstrap_modal_forms.mixins import PopRequestMixin, CreateUpdateAjaxMixin
 from django import forms
-from .models import Module
+from .models import Version
 
 class CustomUserCreationForm(PopRequestMixin, CreateUpdateAjaxMixin,
                              UserCreationForm):
@@ -17,3 +17,15 @@ class CustomAuthenticationForm(AuthenticationForm):
 
 class FileFieldForm(forms.Form):
     file = forms.FileField(widget=forms.ClearableFileInput(attrs={'multiple': True}))
+
+class FileFieldForm(forms.ModelForm):
+    class Meta:
+        model = Version
+        fields = ['file']
+        widgets = {
+            'file': forms.ClearableFileInput(
+                attrs = {
+                    'multiple': True
+                }
+            )
+        }

PDMI/store/migrations/0002_auto_20200425_2100.py

@@ -0,0 +1,33 @@
+# Generated by Django 3.0 on 2020-04-25 21:00
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('store', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='module',
+            name='bot_ver',
+            field=models.CharField(max_length=10, null=True),
+        ),
+        migrations.AddField(
+            model_name='module',
+            name='metamodule',
+            field=models.BooleanField(default=False),
+        ),
+        migrations.AddField(
+            model_name='module',
+            name='ver',
+            field=models.CharField(max_length=10, null=True),
+        ),
+        migrations.AlterField(
+            model_name='module',
+            name='desc',
+            field=models.TextField(max_length=2048, null=True),
+        ),
+    ]

PDMI/store/migrations/0003_module_dependencies.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.0 on 2020-04-25 21:52
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('store', '0002_auto_20200425_2100'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='module',
+            name='dependencies',
+            field=models.ManyToManyField(related_name='_module_dependencies_+', to='store.Module'),
+        ),
+    ]

PDMI/store/migrations/0004_auto_20200425_2211.py

@@ -0,0 +1,46 @@
+# Generated by Django 3.0 on 2020-04-25 22:11
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('store', '0003_module_dependencies'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='module',
+            name='bot_ver',
+        ),
+        migrations.RemoveField(
+            model_name='module',
+            name='dependencies',
+        ),
+        migrations.RemoveField(
+            model_name='module',
+            name='file',
+        ),
+        migrations.RemoveField(
+            model_name='module',
+            name='metamodule',
+        ),
+        migrations.RemoveField(
+            model_name='module',
+            name='ver',
+        ),
+        migrations.CreateModel(
+            name='Version',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('ver', models.CharField(max_length=10, null=True)),
+                ('bot_ver', models.CharField(max_length=10, null=True)),
+                ('metamodule', models.BooleanField(default=False)),
+                ('file', models.FileField(upload_to='')),
+                ('dependencies', models.ManyToManyField(related_name='_version_dependencies_+', to='store.Version')),
+                ('module', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='store.Module')),
+            ],
+        ),
+    ]

PDMI/store/migrations/0005_module_creator.py

@@ -0,0 +1,21 @@
+# Generated by Django 3.0 on 2020-04-26 12:17
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('store', '0004_auto_20200425_2211'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='module',
+            name='creator',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to=settings.AUTH_USER_MODEL),
+        ),
+    ]

PDMI/store/migrations/0006_auto_20200426_1450.py

@@ -0,0 +1,41 @@
+# Generated by Django 3.0 on 2020-04-26 14:50
+
+from django.db import migrations, models
+import django.db.models.deletion
+import store.models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('store', '0005_module_creator'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='version',
+            name='bot_ver',
+            field=models.CharField(default='~=0.1.0', max_length=15),
+            preserve_default=False,
+        ),
+        migrations.AlterField(
+            model_name='version',
+            name='file',
+            field=models.FileField(upload_to=store.models.upload_path),
+        ),
+        migrations.AlterField(
+            model_name='version',
+            name='ver',
+            field=models.CharField(default='0.1.0', max_length=15),
+            preserve_default=False,
+        ),
+        migrations.CreateModel(
+            name='Dependency',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('dep_module', models.CharField(max_length=255)),
+                ('dep_version', models.CharField(max_length=15)),
+                ('version', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='store.Version')),
+            ],
+        ),
+    ]

PDMI/store/migrations/0007_remove_version_dependencies.py

@@ -0,0 +1,17 @@
+# Generated by Django 3.0 on 2020-04-26 14:51
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('store', '0006_auto_20200426_1450'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='version',
+            name='dependencies',
+        ),
+    ]

PDMI/store/models.py

@@ -1,6 +1,40 @@
 from django.db import models
+from django.db.models.signals import pre_save
+from django.dispatch import receiver
+import PDMI.settings as settings
+import os
+from django.contrib.auth.models import User
+
+
+def upload_path(instance, filename):
+    path = os.path.join(
+        'modules', instance.module.name.lower(), instance.ver, filename)
+    if os.path.isfile(os.path.join(settings.MEDIA_ROOT, path)):
+        # Delete file if already exists
+        os.remove(os.path.join(settings.MEDIA_ROOT, path))
+    return path
+
 
 class Module(models.Model):
-    file = models.FileField()
     name = models.CharField(max_length=255)
-    desc = models.TextField(max_length=2048)
+    desc = models.TextField(max_length=2048, null=True)
+    creator = models.ForeignKey(User, on_delete=models.SET_NULL, null=True)
+
+    def __str__(self):
+        return self.name
+
+
+class Version(models.Model):
+    module = models.ForeignKey(Module, on_delete=models.CASCADE)
+    ver = models.CharField(max_length=15)
+    bot_ver = models.CharField(max_length=15)
+    metamodule = models.BooleanField(default=False)
+    file = models.FileField(upload_to=upload_path)
+
+    def __str__(self):
+        return self.ver
+
+class Dependency(models.Model):
+    version = models.ForeignKey(Version, on_delete=models.CASCADE)
+    dep_module = models.CharField(max_length=255)
+    dep_version = models.CharField(max_length=15)

PDMI/store/views.py

@@ -5,9 +5,14 @@ from bootstrap_modal_forms.generic import BSModalCreateView, BSModalLoginView
 from .forms import CustomUserCreationForm, CustomAuthenticationForm
 from django.views.generic.edit import FormView
 from .forms import FileFieldForm
-import os
-import PDMI.settings as settings
 from .response import response_mimetype, JsonResponse
+from .models import Module, Version, Dependency
+from PDMI import settings
+from packaging.specifiers import SpecifierSet
+import os
+import zipfile
+import toml
+import shutil
 
 
 class SignUpView(BSModalCreateView):
@@ -33,10 +38,49 @@ class UploadView(LoginRequiredMixin, FormView):
         form = self.get_form(form_class)
         files = request.FILES.getlist('file')
         if form.is_valid():
-            for f in files:
-                with open(os.path.join(settings.MEDIA_ROOT, f.name), 'wb+') as destination:
-                    for chunk in f.chunks():
-                        destination.write(chunk)
+            for file in files:
+                zip_path = os.path.join(settings.MEDIA_ROOT, file.name)
+                extract_path = os.path.splitext(zip_path)[0]
+                with open(zip_path, "wb+") as f:    # Writing archive
+                    for chunk in file.chunks():
+                        f.write(chunk)
+                with zipfile.ZipFile(zip_path, 'r') as zip:  # Unzip archive
+                    zip.extractall(extract_path)
+                with open(os.path.join(extract_path, 'infos.toml'), 'r') as f:
+                    # Reading and parsing toml file
+                    module_info = toml.loads(f.read())
+                shutil.rmtree(extract_path)
+                os.remove(zip_path)
+                if Module.objects.filter(name=module_info['name'].lower(),
+                                         creator=request.user):
+                    # If module exists
+                    module = Module.objects.get(name=module_info['name'].lower(),
+                                                creator=request.user)
+                else:
+                    # Else, creating module
+                    module = Module(name=module_info['name'].lower(),
+                                    desc=module_info['description'],
+                                    creator=request.user)
+                if Version.objects.filter(module=module, ver=module_info['version']).count() > 0:
+                    # If version already exists, edit existing version
+                    version = Version.objects.get(
+                        module=module, ver=module_info['version'])
+                    version.file = file
+                    version.metamodule = module_info['metamodule']
+                    version.bot_ver = module_info['bot_version']
+                else:
+                    version = Version(module=module, ver=module_info['version'],
+                                      bot_ver=module_info['bot_version'],
+                                      metamodule=module_info['metamodule'],
+                                      file=file)
+                module.save()
+                version.save()
+                for dependency in module_info['dependencies']:
+                    if not Dependency.objects.filter(version=version, dep_module=dependency,
+                                  dep_version=module_info['dependencies'][dependency]).count() > 0:
+                        dep = Dependency(version=version, dep_module=dependency,
+                                        dep_version=module_info['dependencies'][dependency])
+                        dep.save()
             return JsonResponse({'form': True})
         else:
             return JsonResponse({'form': False})