Merge branch 'nix-shell' into 'main'

Nix shell

See merge request bde/nk20!201

.gitignore

@@ -48,7 +48,6 @@ backups/
 env/
 venv/
 db.sqlite3
-shell.nix
 
 # ansibles customs host
 ansible/host_vars/*.yaml

apps/food/views.py

@@ -168,7 +168,8 @@ class BasicFoodCreateView(ProtectQuerysetMixin, ProtectedCreateView):
     template_name = "food/food_update.html"
 
     def get_sample_object(self):
-        return BasicFood(
+        # We choose a club which may work or BDE else
+        food = BasicFood(
             name="",
             owner_id=1,
             expiry_date=timezone.now(),
@@ -177,6 +178,14 @@ class BasicFoodCreateView(ProtectQuerysetMixin, ProtectedCreateView):
             date_type='DLC',
         )
 
+        for membership in self.request.user.memberships.all():
+            club_id = membership.club.id
+            food.owner_id = club_id
+            if PermissionBackend.check_perm(self.request, "food.add_basicfood", food):
+                return food
+
+        return food
+
     @transaction.atomic
     def form_valid(self, form):
         if QRCode.objects.filter(qr_code_number=self.kwargs['slug']).count() > 0:
@@ -227,13 +236,22 @@ class TransformedFoodCreateView(ProtectQuerysetMixin, ProtectedCreateView):
     template_name = "food/food_update.html"
 
     def get_sample_object(self):
-        return TransformedFood(
+        # We choose a club which may work or BDE else
+        food = TransformedFood(
             name="",
             owner_id=1,
             expiry_date=timezone.now(),
             is_ready=True,
         )
 
+        for membership in self.request.user.memberships.all():
+            club_id = membership.club.id
+            food.owner_id = club_id
+            if PermissionBackend.check_perm(self.request, "food.add_transformedfood", food):
+                return food
+
+        return food
+
     @transaction.atomic
     def form_valid(self, form):
         form.instance.expiry_date = timezone.now() + timedelta(days=3)
@@ -248,7 +266,7 @@ class TransformedFoodCreateView(ProtectQuerysetMixin, ProtectedCreateView):
 MAX_FORMS = 10
 
 
-class ManageIngredientsView(ProtectQuerysetMixin, LoginRequiredMixin, UpdateView):
+class ManageIngredientsView(LoginRequiredMixin, UpdateView):
     """
     A view to manage ingredient for a transformed food
     """
@@ -279,6 +297,14 @@ class ManageIngredientsView(ProtectQuerysetMixin, LoginRequiredMixin, UpdateView
                     ingredient.end_of_life = _('Fully used in {meal}'.format(
                         meal=self.object.name))
                     ingredient.save()
+        # We recalculate new expiry date and allergens
+        self.object.expiry_date = self.object.creation_date + self.object.shelf_life
+        self.object.allergens.clear()
+
+        for ingredient in self.object.ingredients.iterator():
+            if not (ingredient.polymorphic_ctype.model == 'basicfood' and ingredient.date_type == 'DDM'):
+                self.object.expiry_date = min(self.object.expiry_date, ingredient.expiry_date)
+            self.object.allergens.set(self.object.allergens.union(ingredient.allergens.all()))
 
         self.object.save(old_ingredients=old_ingredients, old_allergens=old_allergens)
         return HttpResponseRedirect(self.get_success_url())

shell-static.nix

@@ -0,0 +1,34 @@
+# This is a workaround meant for use with the nix package manager. If you don't know what it is or don't use it, please ignore this file.
+# 
+# The nk20 javascript static location are hardcoded for imperative system.
+# This make ./manage.py collectstatic hard to use with nixos.
+# 
+# A workaround is to enter a FHSUserEnv with the static placed under /share/javascript/<static>.
+# This emulate a debian like system and enable collecting static normally with ./manage.py collectstatics.
+# The regular shell.nix should be enough for other configurations.
+#
+# Warning, you are still supposed to use pip package with a venv !
+{ pkgs ? import <nixpkgs> {} }:
+(pkgs.buildFHSUserEnv {
+  name = "pipzone";
+  targetPkgs = pkgs: (with pkgs;
+  let
+    fhs-static = stdenv.mkDerivation {
+      name = "fhs-static";
+      buildCommand = ''
+      mkdir -p $out/share/javascript/bootstrap4
+      mkdir -p $out/share/javascript/jquery
+      ln -s ${python39Packages.xstatic-bootstrap}/lib/python3.9/site-packages/xstatic/pkg/bootstrap/data/* $out/share/javascript/bootstrap4
+      ln -s ${python39Packages.xstatic-jquery}/lib/python3.9/site-packages/xstatic/pkg/jquery/data/* $out/share/javascript/jquery
+    '';
+    };
+  in [
+    fhs-static
+    python39
+    gettext
+    python39Packages.pip
+    python39Packages.virtualenv
+    python39Packages.setuptools
+  ]);
+  runScript = "bash";
+}).env

shell.nix

@@ -0,0 +1,23 @@
+# This is meant for use with the nix package manager. If you don't know what it is or don't use it, please ignore this file.
+#
+# This shell.nix contains all dependencies require to create a venv and pip install -r requirements.txt.
+#
+# Please check shell-static.nix for running ./manage.py collectstatics.
+{ pkgs ? import <nixpkgs> {} }:
+pkgs.mkShell {
+  buildInputs = with pkgs; [
+    python39
+    python39Packages.pip
+    python39Packages.setuptools
+    gettext
+
+  ];
+  shellHook = ''
+    # Tells pip to put packages into $PIP_PREFIX instead of the usual locations.
+    # See https://pip.pypa.io/en/stable/user_guide/#environment-variables.
+    export PIP_PREFIX=$(pwd)/_build/pip_packages
+    export PYTHONPATH="$PIP_PREFIX/${pkgs.python39.sitePackages}:$PYTHONPATH"
+    export PATH="$PIP_PREFIX/bin:$PATH"
+    unset SOURCE_DATE_EPOCH
+  '';
+}