added rezkonv importer

cookbook/integration/rezkonv.py

@@ -0,0 +1,81 @@
+import json
+import re
+from io import BytesIO
+from zipfile import ZipFile
+
+from cookbook.helper.ingredient_parser import parse, get_food, get_unit
+from cookbook.integration.integration import Integration
+from cookbook.models import Recipe, Step, Food, Unit, Ingredient, Keyword
+
+
+class RezKonv(Integration):
+
+    def get_recipe_from_file(self, file):
+
+        ingredient_mode = False
+        direction_mode = False
+
+        ingredients = []
+        directions = []
+        for line in file.replace('\r', '').split('\n'):
+            if 'Titel:' in line:
+                title = line.replace('Titel:', '').strip()
+            if 'Kategorien:' in line:
+                tags = line.replace('Kategorien:', '').strip()
+            if ingredient_mode and ('quelle' in line.lower() or 'source' in line.lower()):
+                ingredient_mode = False
+            if ingredient_mode:
+                if line != '' and '===' not in line and 'Zubereitung' not in line:
+                    ingredients.append(line.strip())
+            if direction_mode:
+                if line.strip() != '' and line.strip() != '=====':
+                    directions.append(line.strip())
+            if 'Zutaten:' in line:
+                ingredient_mode = True
+            if 'Zubereitung:' in line:
+                ingredient_mode = False
+                direction_mode = True
+
+        recipe = Recipe.objects.create(name=title, created_by=self.request.user, internal=True, space=self.request.space)
+
+        for k in tags.split(','):
+            keyword, created = Keyword.objects.get_or_create(name=k.strip(), space=self.request.space)
+            recipe.keywords.add(keyword)
+
+        step = Step.objects.create(
+            instruction='\n'.join(directions) + '\n\n'
+        )
+
+        for ingredient in ingredients:
+            amount, unit, ingredient, note = parse(ingredient)
+            f = get_food(ingredient, self.request.space)
+            u = get_unit(unit, self.request.space)
+            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):
+        raise NotImplementedError('Method not implemented in storage integration')
+
+    def split_recipe_file(self, file):
+        recipe_list = []
+        current_recipe = ''
+
+        for fl in file.readlines():
+            line = fl.decode("ANSI")
+            if line.startswith('=====') and 'rezkonv' in line.lower():
+                if current_recipe != '':
+                    recipe_list.append(current_recipe)
+                    current_recipe = ''
+                else:
+                    current_recipe = ''
+            else:
+                current_recipe += line + '\n'
+
+        if current_recipe != '':
+            recipe_list.append(current_recipe)
+
+        return recipe_list