From 9dedc5b8fa675a14264fcad649a8a3760fe93666 Mon Sep 17 00:00:00 2001
From: Tiago Rascazzi <tiago@rascazzi.com>
Date: Sat, 29 Oct 2022 14:08:12 -0400
Subject: [PATCH] Added nextcloud export implementation

---
 cookbook/integration/nextcloud_cookbook.py | 92 +++++++++++++++++++++-
 vue/src/apps/ExportView/ExportView.vue     |  1 +
 2 files changed, 91 insertions(+), 2 deletions(-)

diff --git a/cookbook/integration/nextcloud_cookbook.py b/cookbook/integration/nextcloud_cookbook.py
index 6db53f70..baa8625c 100644
--- a/cookbook/integration/nextcloud_cookbook.py
+++ b/cookbook/integration/nextcloud_cookbook.py
@@ -1,7 +1,8 @@
 import json
 import re
-from io import BytesIO
+from io import BytesIO, StringIO
 from zipfile import ZipFile
+from PIL import Image
 
 from cookbook.helper.image_processing import get_filetype
 from cookbook.helper.ingredient_parser import IngredientParser
@@ -96,5 +97,92 @@ class NextcloudCookbook(Integration):
 
         return recipe
 
+    def formatTime(self, min):
+        h = min//60
+        m = min % 60
+        return f'PT{h}H{m}M0S'
+
+
     def get_file_from_recipe(self, recipe):
-        raise NotImplementedError('Method not implemented in storage integration')
+
+        export = {}
+        export['name'] = recipe.name
+        export['description'] = recipe.description
+        export['url'] = recipe.source_url
+        export['prepTime'] = self.formatTime(recipe.working_time)
+        export['cookTime'] = self.formatTime(recipe.waiting_time)
+        export['totalTime'] = self.formatTime(recipe.working_time+recipe.waiting_time)
+        export['recipeYield'] = recipe.servings
+        export['image'] = f'/Recipes/{recipe.name}/full.jpg'
+        export['imageUrl'] = f'/Recipes/{recipe.name}/full.jpg'
+
+        recipeKeyword = []
+        for k in recipe.keywords.all():
+            recipeKeyword.append(k.name)
+
+        export['keywords'] = recipeKeyword
+
+        recipeInstructions = []
+        recipeIngredient = []
+        for s in recipe.steps.all():
+            recipeInstructions.append(s.instruction)
+
+            for i in s.ingredients.all():
+                recipeIngredient.append(f'{float(i.amount)} {i.unit} {i.food}')
+
+        export['recipeIngredient'] = recipeIngredient
+        export['recipeInstructions'] = recipeInstructions
+
+
+        return "recipe.json", json.dumps(export)
+
+    def get_files_from_recipes(self, recipes, el, cookie):
+        export_zip_stream = BytesIO()
+        export_zip_obj = ZipFile(export_zip_stream, 'w')
+
+        for recipe in recipes:
+            if recipe.internal and recipe.space == self.request.space:
+
+                recipe_stream = StringIO()
+                filename, data = self.get_file_from_recipe(recipe)
+                recipe_stream.write(data)
+                export_zip_obj.writestr(f'{recipe.name}/{filename}', recipe_stream.getvalue())
+                recipe_stream.close()
+
+                try:
+                    imageByte = recipe.image.file.read()
+                    export_zip_obj.writestr(f'{recipe.name}/full.jpg', self.getJPEG(imageByte))
+                    export_zip_obj.writestr(f'{recipe.name}/thumb.jpg', self.getThumb(171, imageByte))
+                    export_zip_obj.writestr(f'{recipe.name}/thumb16.jpg', self.getThumb(16, imageByte))
+                except ValueError:
+                    pass
+
+            el.exported_recipes += 1
+            el.msg += self.get_recipe_processed_msg(recipe)
+            el.save()
+
+        export_zip_obj.close()
+
+        return [[ self.get_export_file_name(), export_zip_stream.getvalue() ]]
+
+    def getJPEG(self, imageByte):
+        image = Image.open(BytesIO(imageByte))
+        image = image.convert('RGB')
+
+        bytes = BytesIO()
+        image.save(bytes, "JPEG")
+        return bytes.getvalue()
+    
+    def getThumb(self, size, imageByte):
+        image = Image.open(BytesIO(imageByte))
+
+        w, h = image.size
+        m = min(w, h) 
+
+        image = image.crop(((w-m)//2, (h-m)//2, (w+m)//2, (h+m)//2))
+        image = image.resize([size, size], Image.Resampling.LANCZOS)
+        image = image.convert('RGB')
+
+        bytes = BytesIO()
+        image.save(bytes, "JPEG")
+        return bytes.getvalue()
diff --git a/vue/src/apps/ExportView/ExportView.vue b/vue/src/apps/ExportView/ExportView.vue
index 5503eaa1..96a3dd1b 100644
--- a/vue/src/apps/ExportView/ExportView.vue
+++ b/vue/src/apps/ExportView/ExportView.vue
@@ -8,6 +8,7 @@
                 <select class="form-control" v-model="recipe_app">
                     <option value="DEFAULT">Default</option>
                     <option value="SAFFRON">Saffron</option>
+                    <option value="NEXTCLOUD">Nextcloud Cookbook</option>
                     <option value="RECIPESAGE">Recipe Sage</option>
                     <option value="PDF">PDF (experimental)</option>
                 </select>