diff --git a/backup.sh b/backup.sh
new file mode 100644
index 0000000..c8cada6
--- /dev/null
+++ b/backup.sh
@@ -0,0 +1,3 @@
+date=$(date +%Y-%m-%d"_"%H_%M_%S)
+docker-compose exec web python3 manage.py dumpdata --natural-foreign --exclude auth.permission --exclude contenttypes --indent 1 | gzip > backups/djangodump_${date}.json.gz
+docker-compose exec db pg_dump -U partdoc partdoc | gzip > backups/pgdump_${date}.sql.gz
diff --git a/docker-compose.yml b/docker-compose.yml
index bd96ac5..42c885a 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -11,7 +11,7 @@ services:
   working_dir: /app
   command: python3 ./manage.py runserver 0.0.0.0:8000
   ports:
-   - 8080:8000
+   - 8081:8000
   depends_on:
    - db
  db:
diff --git a/partdoc/Dockerfile b/partdoc/Dockerfile
index 6c63e63..664fa89 100644
--- a/partdoc/Dockerfile
+++ b/partdoc/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.10
+FROM alpine:3.11
 
 ADD requirements.txt /
 RUN apk add --update --no-cache python3 py3-psycopg2 && \
diff --git a/partdoc/parts/admin.py b/partdoc/parts/admin.py
index 0b7d4e4..362a605 100644
--- a/partdoc/parts/admin.py
+++ b/partdoc/parts/admin.py
@@ -1,9 +1,9 @@
 from django.contrib import admin
 
-from .models import Brand, Product, Version, Sketch, Part, Usage, BrandedPart, ProductUsage
+from .models import Brand, Product, Version, Sketch, Part, Usage, BrandedPart, ProductUsage, Cart, CartEntry, Shop
 
 # admin.site.register([Brand, Product, Version, Sketch, Part, Usage, BrandedPart, ProductUsage])
-admin.site.register([Brand, Product, Version, Sketch])
+admin.site.register([Brand, Product, Version, Sketch, Shop, CartEntry])
 
 
 class BrandedPartInline(admin.StackedInline):
@@ -51,7 +51,18 @@ class BrandedPartAdmin(admin.ModelAdmin):
 	autocomplete_fields = ["parts"]
 
 
+class CartEntryInline(admin.StackedInline):
+	model = CartEntry
+	extra = 1
+	raw_id_fields = ("origins",)
+
+class CartAdmin(admin.ModelAdmin):
+	inlines = [CartEntryInline]
+	#search_fields = ["number"]
+	#autocomplete_fields = ["parts"]
+
 admin.site.register(Usage, UsageAdmin)
 admin.site.register(ProductUsage, ProductUsageAdmin)
 admin.site.register(Part, PartAdmin)
 admin.site.register(BrandedPart, BrandedPartAdmin)
+admin.site.register(Cart, CartAdmin)
diff --git a/partdoc/parts/models.py b/partdoc/parts/models.py
index fd51915..d5667bc 100644
--- a/partdoc/parts/models.py
+++ b/partdoc/parts/models.py
@@ -1,5 +1,5 @@
 from django.db import models, transaction
-
+from django.db.models import Sum
 
 class PartModel(models.Model):
 	creation = models.DateTimeField(auto_now_add=True)
@@ -157,3 +157,49 @@ class ProductUsage(PartModel):
 	def __str__(self):
 		no = self.usage.part.number if self.usage else "--(part.number)--"
 		return "ProductUsage: " + self.product.name + " @ " + str(self.quantity) + "; " + str(no)
+
+
+
+class Shop(PartModel):
+	name = models.CharField(max_length=512)
+	url = models.URLField(null=True, blank=True)
+
+	def __str__(self):
+		return self.name
+	
+class Cart(PartModel):
+	name = models.CharField(max_length=512)
+
+	def __str__(self):
+		return self.name
+	
+	def add(self, product_usage):
+		part = product_usage.usage.part
+		entry = None
+		for i in self.entries.all():
+			if part == i.part:
+				entry = i
+				break
+		if not entry:
+			entry = CartEntry.objects.create(cart=self)
+		entry.origins.add(product_usage)
+		entry.save()
+		
+
+class CartEntry(PartModel):
+	cart = models.ForeignKey(Cart, on_delete=models.CASCADE, related_name="entries")
+	origins = models.ManyToManyField(ProductUsage)
+	shop = models.ForeignKey(Shop, on_delete=models.CASCADE, null=True, blank=True)
+	in_cart = models.BooleanField(default=False, blank=True)
+	ordered = models.BooleanField(default=False, blank=True)
+
+	@property
+	def part(self):
+		return self.origins.first().usage.part
+	
+	@property
+	def quantity(self):
+		return self.origins.aggregate(sum=Sum('quantity'))["sum"]
+	
+	def get_quantity(self):
+		return self.quantity
diff --git a/partdoc/parts/static/parts/update_cart.js b/partdoc/parts/static/parts/update_cart.js
new file mode 100644
index 0000000..648c069
--- /dev/null
+++ b/partdoc/parts/static/parts/update_cart.js
@@ -0,0 +1,47 @@
+function getCookie(name) {
+    var cookieValue = null;
+    if (document.cookie && document.cookie !== '') {
+        var cookies = document.cookie.split(';');
+        for (var i = 0; i < cookies.length; i++) {
+            var cookie = cookies[i].trim();
+            // Does this cookie string begin with the name we want?
+            if (cookie.substring(0, name.length + 1) === (name + '=')) {
+                cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
+                break;
+            }
+        }
+    }
+    return cookieValue;
+}
+
+function csrfSafeMethod(method) {
+    // these HTTP methods do not require CSRF protection
+    return (/^(GET|HEAD|OPTIONS|TRACE)$/.test(method));
+}
+$.ajaxSetup({
+    beforeSend: function(xhr, settings) {
+        if (!csrfSafeMethod(settings.type) && !this.crossDomain) {
+var csrftoken = getCookie('csrftoken');
+            xhr.setRequestHeader("X-CSRFToken", csrftoken);
+            xhr.setRequestHeader("X-Frame-Options", "SAMEORIGIN");
+        }
+    }
+});
+
+function update_cart(pu_id){
+	var cart = $("#cart")[0].value;
+	console.log("cart", cart);
+	$.ajax({
+		type: "POST",
+		url: "/parts/cart/add/",
+		data: {
+			"cart_name": cart,
+			"product_usage_id": pu_id
+		},
+		success: function(data){
+			console.log(data);
+		}
+	}).done(function(msg){console.log("done" + msg);console.log(msg)})
+	.fail(function(msg){console.log("fail" + msg);console.log(msg)})
+	;
+}
diff --git a/partdoc/parts/templates/parts/cart.html b/partdoc/parts/templates/parts/cart.html
new file mode 100644
index 0000000..bb1e06f
--- /dev/null
+++ b/partdoc/parts/templates/parts/cart.html
@@ -0,0 +1,14 @@
+<h1>{{cart.name}}</h1>
+<h3>entries</h3>
+<ul>
+	{% for entry in entries %}
+		<li>{{entry.quantity}} -- <a href="{% url 'parts:cart_entry' cart.id entry.id %}">{{entry.part}}</a>
+		<ul>
+		{% for pu in entry.origins.all %}
+			<li><a href="{% url 'parts:sketch' pu.usage.sketch.id %}">{{pu.usage.sketch.name}}</a></li>
+		{% endfor %}
+		</ul>
+		</li>
+	{% endfor %}
+</ul>
+</ul>
diff --git a/partdoc/parts/templates/parts/cart_entry.html b/partdoc/parts/templates/parts/cart_entry.html
new file mode 100644
index 0000000..61c4083
--- /dev/null
+++ b/partdoc/parts/templates/parts/cart_entry.html
@@ -0,0 +1,6 @@
+<h1>{{cart.name}}</h1>
+<h3>entries</h3>
+
+TODO
+
+<a href="{% url 'parts:cart' cart.id %}">{{cart.name}}</a>
diff --git a/partdoc/parts/templates/parts/part.html b/partdoc/parts/templates/parts/part.html
index ca9d8b2..3655760 100644
--- a/partdoc/parts/templates/parts/part.html
+++ b/partdoc/parts/templates/parts/part.html
@@ -1,5 +1,7 @@
+
 <h1>part {{part.number}}</h1>
-<h3>{{part.name}}</h3>
+<h3>{{part.get_name}}</h3>
+<h4>{{full_name}}</h4>
 <table>
 <tr>
 	<th>Produkt</th>
diff --git a/partdoc/parts/templates/parts/products.html b/partdoc/parts/templates/parts/products.html
index 9ce0ba9..a8d5b35 100644
--- a/partdoc/parts/templates/parts/products.html
+++ b/partdoc/parts/templates/parts/products.html
@@ -4,3 +4,11 @@
 		<li><a href="{% url 'parts:product' product.id %}">{{product.name}}</a></li>
 	{% endfor %}
 </ul>
+
+<h1>Available carts</h1>
+<ul>
+	{% for cart in cart_list %}
+		<li><a href="{% url 'parts:cart' cart.id %}">{{cart.name}}</a></li>
+	{% endfor %}
+</ul>
+
diff --git a/partdoc/parts/templates/parts/sketch.html b/partdoc/parts/templates/parts/sketch.html
index b03734d..c7f8ecd 100644
--- a/partdoc/parts/templates/parts/sketch.html
+++ b/partdoc/parts/templates/parts/sketch.html
@@ -1,13 +1,19 @@
+{% load static %}
+<script type="text/javascript" src="{% static 'parts/jquery-3.2.1.min.js' %}"></script>
+<script type="text/javascript" src="{% static 'parts/update_cart.js' %}"></script>
+
 <h1>{{sketch.name}}</h1>
-<a href="{{sketch.image.url}}"><img src="{{sketch.image.url}}" /></a>
+{% if sketch.image %}<a href="{{sketch.image.url}}"><img src="{{sketch.image.url}}" /></a> {% endif %}
 <h2>{% for brand in sketch.get_brand %}{{brand.name}},{% endfor%} - {% for product in sketch.get_product %}{{product.name}},{% endfor%}</h2>
 <ul>
 	{% for usage in sketch.usage_set.all %}
-		<li><a href="/parts/usage/{{usage.id}}/">{{usage}}</a></li>
-		<li><a href="% url 'parts:usage' usage.id %">{usage}</a></li><!--TODO!-->
+		<!--<li><a href="/parts/usage/{{usage.id}}/">{{usage}}</a></li>-->
+		<li><button type="button" onclick="update_cart({{usage.id}})" id="update_cart_{{usage.id}}" >+</button><a href="{% url 'parts:part' usage.part.id %}">{{usage}}</a></li><!--TODO!-->
 	{% endfor %}
 </ul>
 <p>{{sketch.get_brand}}</p>
 <p>{{sketch.get_brand.name.foo}}</p>
 
+
+<label for="cart_name">cart:</label><input name="cart_name" id="cart"></input>
 <a href="{% url "parts:continue_sketch" sketch.product_id sketch.id %}">Edit</a>
diff --git a/partdoc/parts/urls.py b/partdoc/parts/urls.py
index 11c3e83..ae6af47 100644
--- a/partdoc/parts/urls.py
+++ b/partdoc/parts/urls.py
@@ -13,4 +13,7 @@ urlpatterns = [
 	path('add/<int:product_id>/sketch/<int:sketch_id>', views.sketch_add, name="continue_sketch"),
 	path('add/<int:product_id>/sketch', views.sketch_add, name="new_sketch"),
 	path('search/part/', views.part_search, name="part_search"),
+	path('cart/add/', views.update_cart, name="cart_add"),
+	path('cart/<int:cart_id>/', views.cart, name="cart"),
+	path('cart/<int:cart_id>/entry/<int:entry_id>/', views.cart_entry, name="cart_entry"),
 ]
diff --git a/partdoc/parts/views.py b/partdoc/parts/views.py
index 1d2cc21..7cd1f10 100644
--- a/partdoc/parts/views.py
+++ b/partdoc/parts/views.py
@@ -13,7 +13,10 @@ ADD_SKETCH_REQUIRES = ['sketch_name', 'sketch_number', '']
 
 def index(request):
 	product_list = Product.objects.all()
-	context = {'product_list': product_list}
+	context = {
+		'product_list': product_list,
+		'cart_list': Cart.objects.all()
+	}
 	return render(request, 'parts/products.html', context)
 
 
@@ -31,7 +34,8 @@ def sketch(request, sketch_id):
 
 def __part_view(request, part):
 	sketches = part.usage_set.values('sketch', 'sketch_number', 'sketch__name', 'sketch__product__name', 'sketch__product__id').annotate(qty=Sum('productusage__quantity'))
-	context = {'part': part, 'sketches': sketches}
+	full_name = part.get_name(full=True)
+	context = {'part': part, 'sketches': sketches, 'full_name': full_name}
 	return render(request, 'parts/part.html', context)
 
 def part(request, part_id):
@@ -179,3 +183,28 @@ def get_quantity(qnty_str):
 def is_exact_sketchnumber(sketch_number):
 	approximate = ("ähn", "vgl", "~", "zu")
 	return not any([i in sketch_number for i in approximate])
+
+
+def update_cart(request):
+	if request.method == "POST":
+		keys = ["cart_name", "product_usage_id"]
+		if all([key in request.POST for key in keys]):
+			cart, _ = Cart.objects.get_or_create(name=request.POST["cart_name"])
+			pu = ProductUsage.objects.get(usage__id=request.POST["product_usage_id"])
+			cart.add(pu)
+			return HttpResponse('{"success": true}')
+	return HttpResponse('{"success": false}')
+
+
+def cart(request, cart_id):
+	cart = Cart.objects.get(id=cart_id)
+	entries = cart.entries.all()
+	context = {'cart': cart, "entries": entries}
+	return render(request, 'parts/cart.html', context)
+
+
+def cart_entry(request, cart_id, entry_id):
+	cart = Cart.objects.get(id=cart_id)
+	entry = CartEntry.objects.get(id=entry_id)
+	context = {'cart': cart, 'entry': entry}
+	return render(request, 'parts/cart_entry.html', context)
diff --git a/partdoc/requirements.txt b/partdoc/requirements.txt
index 83abc93..fb479c3 100644
--- a/partdoc/requirements.txt
+++ b/partdoc/requirements.txt
@@ -1,2 +1,2 @@
-django==3.0
+django==3.0.5
 psycopg2==2.8.4