added chowdown importer

cookbook/integration/chowdown.py

@@ -0,0 +1,80 @@
+import json
+import re
+from io import BytesIO
+from zipfile import ZipFile
+
+from cookbook.helper.ingredient_parser import parse
+from cookbook.integration.integration import Integration
+from cookbook.models import Recipe, Step, Food, Unit, Ingredient, Keyword
+
+
+class Chowdown(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-])+.md$', zip_info_object.filename)
+
+    def get_recipe_from_file(self, file):
+        ingredient_mode = False
+        direction_mode = False
+        description_mode = False
+
+        ingredients = []
+        directions = []
+        descriptions = []
+        for fl in file.readlines():
+            line = fl.decode("utf-8")
+            if 'title:' in line:
+                title = line.replace('title:', '').replace('"', '').strip()
+            if 'image:' in line:
+                image = line.replace('image:', '').strip()
+            if 'tags:' in line:
+                tags = line.replace('tags:', '').strip()
+            if ingredient_mode:
+                if len(line) > 2 and 'directions:' not in line:
+                    ingredients.append(line[2:])
+            if '---' in line and direction_mode:
+                direction_mode = False
+                description_mode = True
+            if direction_mode:
+                if len(line) > 2:
+                    directions.append(line[2:])
+            if 'ingredients:' in line:
+                ingredient_mode = True
+            if 'directions:' in line:
+                ingredient_mode = False
+                direction_mode = True
+            if description_mode and len(line) > 3 and '---' not in line:
+                descriptions.append(line)
+
+        recipe = Recipe.objects.create(name=title, created_by=self.request.user, internal=True, )
+
+        for k in tags.split(','):
+            keyword, created = Keyword.objects.get_or_create(name=k.strip())
+            recipe.keywords.add(keyword)
+
+        step = Step.objects.create(
+            instruction='\n'.join(directions) + '\n\n' + '\n'.join(descriptions)
+        )
+
+        for ingredient in ingredients:
+            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)
+
+        for f in self.files:
+            if '.zip' in f.name:
+                import_zip = ZipFile(f.file)
+                for z in import_zip.filelist:
+                    if re.match(f'^images/{image}$', z.filename):
+                        self.import_recipe_image(recipe, BytesIO(import_zip.read(z.filename)))
+
+        return recipe
+
+
+def get_file_from_recipe(self, recipe):
+    raise NotImplementedError('Method not implemented in storage integration')