in between commit: html bug

- "range" is great in theory, but does not show actual nummber
- "number" does not allow float

Need to go back to text

uncloud_v3/README.md

@@ -26,6 +26,11 @@ machine. Use `kubectl get nodes` to verify minikube is up and running.
      complete ones
    * resources are also timeframe bound
      * name != unique (?)
+   * how do we link?
+     * stays towards resource
+     * we only show resources which have price_per_time with one of
+       our timeframes
+     * And we filter out timeframes that don't have all resources
  * Can we filter drop down in admin?
   * yes:  ModelAdmin.formfield_for_manytomany(db_field, request, **kwargs)¶
 * resources should have a slug
@@ -40,7 +45,16 @@ machine. Use `kubectl get nodes` to verify minikube is up and running.
 
 * Show products [done]
 * Link to ProductOrderForm [done]
+* Find suitable timeframes for a product [done]
 * Continue to resources / add resources
+  * Need to list resources
+  * Need to create manytomany relations for each resource resolutling
+    in ResourceOrders
+  * On submit
+    * List of
+      * resources + values
+    * Product
+    * Timeframe
 * Confirm & create
 
 #### 3.0.0 (2022-01-14)

uncloud_v3/app/migrations/0007_timeframe_slug.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.0 on 2022-01-14 23:27
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('app', '0006_resource_slug_alter_product_slug_alter_resource_name'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='timeframe',
+            name='slug',
+            field=models.SlugField(null=True, unique=True),
+        ),
+    ]

uncloud_v3/app/migrations/0008_currency_slug.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.0 on 2022-01-14 23:28
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('app', '0007_timeframe_slug'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='currency',
+            name='slug',
+            field=models.SlugField(null=True, unique=True),
+        ),
+    ]

uncloud_v3/app/migrations/0009_product_timeframes.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.0 on 2022-01-14 23:38
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('app', '0008_currency_slug'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='product',
+            name='timeframes',
+            field=models.ManyToManyField(blank=True, to='app.TimeFrame'),
+        ),
+    ]

uncloud_v3/app/models.py

@@ -2,9 +2,10 @@ from django.db import models
 from django.contrib.auth import get_user_model
 from django.utils import timezone
 from django.urls import reverse
-
+from django.db.models import Q
 
 class Currency(models.Model):
+    slug = models.SlugField(null=True, unique=True)
     name = models.CharField(max_length=128, unique=True)
     short_name = models.CharField(max_length=3, unique=True)
 
@@ -13,6 +14,7 @@ class Currency(models.Model):
 
 
 class TimeFrame(models.Model):
+    slug = models.SlugField(null=True, unique=True)
     name = models.CharField(max_length=128, unique=True)
     seconds = models.IntegerField(null=True, blank=True)
 
@@ -70,7 +72,7 @@ class Resource(models.Model):
 
         pricing = ", ".join(pricing)
 
-        return f"{self.name}: {minimum}-{maximum} (+/-){self.step_size} {self.unit} ({pricing})"
+        return f"{self.slug}: {minimum}-{maximum} (+/-){self.step_size} {self.unit} ({pricing})"
 
 class ResourceOrder(models.Model):
     """
@@ -86,13 +88,29 @@ class Product(models.Model):
     Describes a product a user can buy
     """
 
-    name = models.CharField(max_length=128, unique=True)
     slug = models.SlugField(null=True, unique=True)
+    name = models.CharField(max_length=128, unique=True)
 
-    # textconfig = models.ManyToManyField(ProductTextConfiguration)
-    # textfieldconfig = models.ManyToManyField(ProductTextFieldConfiguration)
+    resources = models.ManyToManyField(Resource, blank=True) # List of REQUIRED resources
+    timeframes = models.ManyToManyField(TimeFrame, blank=True) # List of POSSIBLE timeframes
 
-    resources = models.ManyToManyField(Resource, blank=True)
+    def valid_timeframes(self):
+        """
+        Return all timeframes that have all resources configured
+        """
+
+        valid_tf = []
+
+        num_res = self.resources.all().count()
+
+        for tf in self.timeframes.all():
+            # Get all distinct source for this timeframe
+            res = self.resources.filter(price_per_time__timeframe=tf).distinct().count()
+
+            if res == num_res:
+                valid_tf.append(tf)
+
+        return valid_tf
 
     def get_absolute_url(self):
         return reverse('product-detail', kwargs={'slug' : self.slug})

uncloud_v3/app/templates/app/product_detail.html

@@ -7,4 +7,10 @@
     <input type="submit" value="Buy">
 </form>
 
+<ul>
+  {% for tf in timeframes %}
+  <li><a href="{% url 'product-order-tf' object.slug tf.slug %}">{{ tf }}</a>
+  {% endfor %}
+</ul>
+
 HERE we show a link to <a href="{{ productorder }}">order</a>.

uncloud_v3/app/templates/app/productorder_form.html

@@ -1,7 +1,23 @@
-Ordering a {{ product }} instance
+Ordering a {{ product }} instance for {{ timeframe }}
+
+we are here?!
+
 
 <form method="post" >
   {% csrf_token %}
-    {{ form.as_p }}
+  {{ form.as_p }}
+  {% for res in product.resources.all %}
+  <li>
+    {% if res.minimum_units and res.maximum_units %}
+    <input type="range" id="{{res.slug}}" name="{{res.slug}}"
+             min="{{ res.minimum_units }}" max="{{ res.maximum_units
+                                                }}">
+    {% else %}
+    <input type="text" id="{{res.slug}}" name="{{res.slug}}">
+
+    {% endif %}
+  </li>
+  {% endfor %}
+
     <input type="submit" value="Next">
 </form>

uncloud_v3/app/views.py

@@ -16,6 +16,7 @@ class ProductOrderView(CreateView):
     def get_context_data(self, **kwargs):
         context = super().get_context_data(**kwargs)
         context['product'] = get_object_or_404(Product, slug=self.kwargs['product'])
+        context['timeframe'] = get_object_or_404(TimeFrame, slug=self.kwargs['timeframe'])
         print(context)
         print(self.kwargs)
         return context
@@ -27,6 +28,8 @@ class ProductDetailView(DetailView):
     def get_context_data(self, **kwargs):
         context = super().get_context_data(**kwargs)
         context['productorder'] = reverse('product-order', kwargs={'product': self.object.slug })
+        context['timeframes'] = context['product'].valid_timeframes()
+        print(context)
         return context
 
 

uncloud_v3/uncloud/urls.py

@@ -21,7 +21,7 @@ urlpatterns = [
     path('admin/', admin.site.urls),
     path('order', appviews.ProductSelectView.as_view()),
     path('order/<slug:product>/', appviews.ProductOrderView.as_view(), name='product-order'),
-    path('order/<slug:product>/<slug:timeframe>/', appviews.ProductOrderView.as_view(), name='product-order'),
+    path('order/<slug:product>/<slug:timeframe>/', appviews.ProductOrderView.as_view(), name='product-order-tf'),
     path('product/', appviews.ProductListView.as_view()),
     path('product/<slug:slug>/', appviews.ProductDetailView.as_view(), name='product-detail')