本文整理汇总了Python中models.category.Category.load_categories方法的典型用法代码示例。如果您正苦于以下问题：Python Category.load_categories方法的具体用法？Python Category.load_categories怎么用？Python Category.load_categories使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类models.category.Category的用法示例。
在下文中一共展示了Category.load_categories方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: load_recipe
# 需要导入模块: from models.category import Category [as 别名]
# 或者: from models.category.Category import load_categories [as 别名]
def load_recipe(cls, recipe_id, current_user):
attributes = [
"id",
"name",
"servings",
"preparation_time",
"photo_file",
"created_at",
"creator_id",
"nutritional_info",
"avg_ratings.avg_rating",
"my_ratings.rating",
"saved_counts.saved_count",
"saved.saved_at",
"avg_ratings.rating_count",
]
join_list = []
join_list.append(
"LEFT OUTER JOIN (SELECT recipe_id, AVG(rating) AS avg_rating, COUNT(rating) AS rating_count FROM ratings GROUP BY recipe_id) AS avg_ratings ON recipes.id=avg_ratings.recipe_id"
)
join_list.append(
"LEFT OUTER JOIN ratings AS my_ratings ON recipes.id=my_ratings.recipe_id AND my_ratings.user_id=%s"
% adapt(str(current_user.id)).getquoted()
)
join_list.append(
"LEFT OUTER JOIN (SELECT recipe_id, COUNT(user_id) AS saved_count FROM saved GROUP BY recipe_id) AS saved_counts ON recipes.id=saved_counts.recipe_id"
)
join_list.append(
"LEFT OUTER JOIN saved ON recipes.id=saved.recipe_id AND saved.user_id=%s"
% adapt(str(current_user.id)).getquoted()
)
join_sql = " ".join(join_list)
where_sql = "WHERE recipes.id=%s" % adapt(str(recipe_id)).getquoted()
results = engine.execute("SELECT %s FROM recipes %s %s" % (",".join(attributes), join_sql, where_sql))
recipe = None
for result in results:
recipe = Recipe()
recipe.id = result[0]
recipe.name = result[1]
recipe.servings = result[2]
recipe.preparation_time = result[3]
recipe.photo_file = result[4]
recipe.created_at = result[5]
recipe.creator_id = result[6]
recipe.nutritional_info = result[7]
recipe.avg_rating = result[8]
recipe.rating = result[9]
recipe.favorite_count = result[10]
recipe.is_favorite = result[11] != None
recipe.rating_count = result[12]
if not recipe.favorite_count:
recipe.favorite_count = 0
if not recipe.rating_count:
recipe.rating_count = 0
if not recipe.avg_rating:
recipe.avg_rating = 0.0
else:
recipe.avg_rating = round(recipe.avg_rating, 1)
user = models.user.User.load_user_by_id(recipe.creator_id)
recipe.creator = user
recipe.steps = Step.load_steps(recipe.id)
recipe.ingredients_recipes = IngredientRecipe.load_ingredients(recipe.id)
recipe.categories = Category.load_categories(recipe.id)
recipe.category_count = len(recipe.categories)
recipe.comments = Comment.load_comments(recipe.id)
return recipe