basic nextcloud import

cookbook/integration/nextcloud_cookbook.py

@@ -0,0 +1,52 @@
+import json
+import re
+from io import BytesIO
+from zipfile import ZipFile
+
+from rest_framework.renderers import JSONRenderer
+
+from cookbook.helper.ingredient_parser import parse
+from cookbook.integration.integration import Integration
+from cookbook.models import Recipe, Step, Food, Unit, Ingredient
+from cookbook.serializer import RecipeExportSerializer
+
+
+class NextcloudCookbook(Integration):
+
+    def import_file_name_filter(self, zip_info_object):
+        print("testing", zip_info_object.filename)
+        return re.match(r'^Recipes/([A-Za-z\d\s])+/recipe.json$', zip_info_object.filename)
+
+    def get_recipe_from_file(self, file):
+        recipe_json = json.loads(file.getvalue().decode("utf-8"))
+
+        recipe = Recipe.objects.create(
+            name=recipe_json['name'].strip(), description=recipe_json['description'].strip(),
+            created_by=self.request.user, internal=True,
+            servings=recipe_json['recipeYield'])
+
+        #TODO parse times (given in PT2H3M )
+
+        ingredients_added = False
+        for s in recipe_json['recipeInstructions']:
+            step = Step.objects.create(
+                instruction=s
+            )
+            if not ingredients_added:
+                ingredients_added = True
+
+                for ingredient in recipe_json['recipeIngredient']:
+                    amount, unit, ingredient, note = parse(ingredient)
+                    f, created = Food.objects.get_or_create(name=ingredient)
+                    u, created = Unit.objects.get_or_create(name=unit)
+                    step.ingredients.add(Ingredient.objects.create(
+                        food=f, unit=u, amount=amount, note=note
+                    ))
+            recipe.steps.add(step)
+
+        return recipe
+
+    def get_file_from_recipe(self, recipe):
+        export = RecipeExportSerializer(recipe).data
+
+        return 'recipe.json', JSONRenderer().render(export).decode("utf-8")