added basic exporting capability

cookbook/forms.py

@@ -100,6 +100,13 @@ class ShoppingForm(forms.Form):
     )
 
 
+class ExportForm(forms.Form):
+    recipe = forms.ModelChoiceField(
+        queryset=Recipe.objects.filter(internal=True).all(),
+        widget=SelectWidget
+    )
+
+
 class UnitMergeForm(forms.Form):
     prefix = 'unit'
 

cookbook/models.py

@@ -154,8 +154,8 @@ class Ingredient(models.Model):
 
 
 class RecipeIngredient(models.Model):
-    ingredient = models.ForeignKey(Ingredient, on_delete=models.PROTECT)
     recipe = models.ForeignKey(Recipe, on_delete=models.CASCADE)
+    ingredient = models.ForeignKey(Ingredient, on_delete=models.PROTECT)
     unit = models.ForeignKey(Unit, on_delete=models.PROTECT)
     amount = models.DecimalField(default=0, decimal_places=2, max_digits=16)
     note = models.CharField(max_length=64, null=True, blank=True)

cookbook/templates/export.html

@@ -0,0 +1,70 @@
+{% extends "base.html" %}
+{% load i18n %}
+{% load crispy_forms_filters %}
+{% load static %}
+
+{% block title %}{% trans 'Export Recipes' %}{% endblock %}
+
+{% block extra_head %}
+    {{ form.media }}
+{% endblock %}
+
+{% block content %}
+
+    <div class="row">
+        <div class="col col-md-12">
+            <form action="." method="post">
+                {% csrf_token %}
+                {{ form|crispy }}
+                <button class="btn btn-success" type="submit"><i class="fas fa-file-export"></i> {% trans 'Export' %}
+                </button>
+            </form>
+        </div>
+    </div>
+
+    {% if export %}
+
+        <br/>
+        <div class="row">
+            <div class="col col-md-12">
+                <label for="id_export">
+                    {% trans 'Exported Recipe' %}</label>
+                <textarea id="id_export" class="form-control" rows="12">
+{{ export }}
+</textarea>
+            </div>
+        </div>
+
+        <br/>
+        <div class="row">
+            <div class="col col-md-12 text-center">
+                <button class="btn btn-success" onclick="copy()" style="width: 15vw" data-toggle="tooltip"
+                        data-placement="right" title="{% trans 'Copy to clipboard' %}" id="id_btn_copy"
+                        onmouseout="resetTooltip()"><i
+                        class="far fa-copy"></i></button>
+            </div>
+        </div>
+
+        <script type="text/javascript">
+            function copy() {
+                let json = $('#id_export');
+
+                json.select();
+
+                $('#id_btn_copy').attr('data-original-title', '{% trans 'Copied!' %}').tooltip('show');
+
+                document.execCommand("copy");
+            }
+
+            function resetTooltip() {
+                setTimeout(function () {
+                    $('#id_btn_copy').attr('data-original-title', '{% trans 'Copy list to clipboard' %}');
+                }, 300);
+            }
+
+            $(function () {
+                $('[data-toggle="tooltip"]').tooltip()
+            })
+        </script>
+    {% endif %}
+{% endblock %}

cookbook/templates/import.html

@@ -0,0 +1,10 @@
+{% extends "base.html" %}
+{% load i18n %}
+{% load crispy_forms_tags %}
+{% load static %}
+
+{% block title %}{% trans 'Import Recipes' %}{% endblock %}
+
+{% block content %}
+
+{% endblock %}

cookbook/templates/shopping_list.html

@@ -34,7 +34,7 @@
     <div class="row">
         <div class="col col-md-12 text-center">
             <button class="btn btn-success" onclick="copy()" style="width: 15vw" data-toggle="tooltip"
-                    data-placement="top" title="{% trans 'Copy list to clipboard' %}" id="id_btn_copy" onmouseout="resetTooltip()"><i
+                    data-placement="right" title="{% trans 'Copy list to clipboard' %}" id="id_btn_copy" onmouseout="resetTooltip()"><i
                     class="far fa-copy"></i></button>
         </div>
     </div>

cookbook/urls.py

@@ -3,7 +3,7 @@ from pydoc import locate
 from django.urls import path
 
 from .views import *
-from cookbook.views import api
+from cookbook.views import api, import_export
 from cookbook.helper import dal
 
 urlpatterns = [
@@ -14,6 +14,9 @@ urlpatterns = [
     path('shopping/', views.shopping_list, name='view_shopping'),
     path('settings/', views.settings, name='view_settings'),
 
+    path('import/', import_export.import_recipe, name='view_import'),
+    path('export/', import_export.export_recipe, name='view_export'),
+
     path('view/recipe/<int:pk>', views.recipe_view, name='view_recipe'),
 
     path('new/recipe_import/<int:import_id>/', new.create_new_external_recipe, name='new_recipe_import'),

cookbook/views/import_export.py

@@ -0,0 +1,44 @@
+import json
+
+from django.core import serializers
+from django.shortcuts import render
+
+from cookbook.forms import ExportForm
+from cookbook.models import Recipe, Ingredient, RecipeIngredient, Unit
+
+
+def import_recipe(request):
+    return render(request, 'import.html', {})
+
+
+def export_recipe(request):
+    # TODO filter internal only
+    context = {}
+
+    if request.method == "POST":
+        form = ExportForm(request.POST)
+        if form.is_valid():
+            recipe = form.cleaned_data['recipe']
+
+            export = {
+                'recipe': {'name': recipe.name, 'instructions': recipe.instructions, 'working_time': recipe.working_time, 'waiting_time': recipe.working_time},
+                'units': [],
+                'ingredients': [],
+                'recipe_ingredients': []
+            }
+
+            for ri in RecipeIngredient.objects.filter(recipe=recipe).all():
+                if ri.unit not in export['units']:
+                    export['units'].append({'name': ri.unit.name, 'description': ri.unit.description})
+                if ri.ingredient not in export['ingredients']:
+                    export['ingredients'].append({'name': ri.ingredient.name})
+
+                export['recipe_ingredients'].append({'ingredient': ri.ingredient.name, 'unit': ri.unit.name, 'amount': float(ri.amount), 'note': ri.note})
+
+            context['export'] = json.dumps(export, indent=4)
+    else:
+        form = ExportForm()
+
+    context['form'] = form
+
+    return render(request, 'export.html', context)