def recipes(request, lookup, slug=None):
"""Fetch a single recipe."""
recipe = Recipe.objects.get_slug(lookup)
if recipe and recipe['slug'] != slug:
raise Http404
try:
endpoint = reverse('api_recipes', args=[recipe['id']])
except:
raise Http404
data = recipes_dict(recipe['id'], False)
obj = data['data'][0]
if obj:
json_ld = {
"@context": "http://schema.org",
"@type": "Recipe",
"name": obj['name'],
"recipeYield": obj['servings'],
"description": obj['description'],
"datePublished": obj['pub_date'],
"image": obj['img_small'],
"recipeIngredient": [],
"recipeInstructions": obj['instructions'],
}
sums = {
'carbohydrates': 0,
'energy_kcal': 0,
'fat': 0,
'fibers': 0,
'protein': 0
}
for ingredient in obj['ingredients']:
sums['carbohydrates'] += ingredient['carbohydrates']
sums['energy_kcal'] += ingredient['energy_kcal']
sums['fat'] += ingredient['fat']
sums['fibers'] += ingredient['fibers']
sums['protein'] += ingredient['protein']
json_ld['recipeIngredient'].append(
u"{} {} {}".format(
ingredient['amount'],
ingredient['unit_short'],
ingredient['text']
)
)
json_ld['nutrition'] = {
"@type": "NutritionInformation",
"calories": "{} kcal".format(round(sums['protein'], 2)),
"carbohydrateContent": "{} g".format(round(sums['energy_kcal'], 2)),
"fatContent": "{} g".format(round(sums['fat'], 2)),
"fiberContent": "{} g".format(round(sums['fibers'], 2)),
"proteinContent": "{} g".format(round(sums['protein'], 2))
}
return render(
request,
'recipes/recipes.html',
{
'endpoint': endpoint,
'page_title': recipe['name'],
'page_description': json_ld['description'][:155] if json_ld['description'] else json_ld['recipeInstructions'][:155],
'limit': settings.PAGE_LIMIT,
'json_ld': json.dumps(json_ld)
}
)
def api_recipes(request, recipe_id):
""" Get recipe data for a singe recipe."""
output = recipes_dict(recipe_id)
if not output:
raise Http404
return JsonResponse(output)
