//componentValue为营养成分数值，所以需要反过来计算食品应该是多少克
private List <Food> GetRecommendFood(string nameCode, string classify, float componentValue, int dataCount, int click, List <Guid> dislikeFoodOidList)
{
//依据食材分类，重要程度，获取指定食材
List <Food> foodList = _mapper.Map <List <Food> >(_foodRepository.GetFoodByClassify(classify, click));
//去除客户讨厌的食物
List <Food> likeFoodList = foodList;
foreach (var foodOid in dislikeFoodOidList)
{
var temp = likeFoodList.Where(c => c.OID != foodOid);
likeFoodList = new List <Food>();
likeFoodList = temp.ToList();
}
//获取指定数目食材
List <Food> recommendFoodList = likeFoodList.OrderBy(c => Guid.NewGuid()).Take(dataCount).ToList();
//增加营养元素的数据
foreach (var recommendFood in recommendFoodList)
{
//获取Food所对应的Component列表
var recommendFoodComponentList = _foodComponentRepository.GetFoodComponentByFoodOid(recommendFood.OID);
//获取Food重量
foreach (var recommendFoodComponent in recommendFoodComponentList)
{
var component = _componentRepository.GetById(recommendFoodComponent.ComponentOid);
if (component.NameCode == nameCode)
{
if (string.IsNullOrEmpty(recommendFoodComponent.Value.ToString()) || string.IsNullOrWhiteSpace(recommendFoodComponent.Value.ToString()))
{
recommendFood.Value = -1f;
}
else
{
recommendFood.Value = componentValue * 100f / recommendFoodComponent.Value;
}
recommendFood.Unit = "g";
break;
}
}
//增加营养元素的数据
List <FoodComponent> foodComponentList = new List <FoodComponent>();
foreach (var recommendFoodComponent in recommendFoodComponentList)
{
var recommendComponent = _mapper.Map <FoodComponent>(_componentRepository.GetById(recommendFoodComponent.ComponentOid));
recommendComponent.Value = (recommendFoodComponent.Value * recommendFood.Value) / 100f;
foodComponentList.Add(recommendComponent);
}
recommendFood.FoodComponentList = foodComponentList;
}
return(recommendFoodList.OrderByDescending(c => c.Value).ToList());
}
public QueryFoodListByPageResponse QueryFoodListByPage(string foodName, float foodValue, int pageIndex, int pageSize)
{
QueryFoodListByPageResponse result;
try
{
//依据条件查询食材列表
var existingFoodList = _foodRepository.QueryFoodListByPage(foodName, pageIndex, pageSize);
//查询食材列表的总条数
var existingFoodListCount = _foodRepository.QueryFoodListCount(foodName);
//映射为返回类型
result = new QueryFoodListByPageResponse();
result.FoodList = new PageModel <FoodByPage>();
result.FoodList.Data = _mapper.Map <List <FoodByPage> >(existingFoodList);
//组合页码数据
result.FoodList.PageIndex = pageIndex + 1; //页码索引
result.FoodList.PageSize = pageSize; //每页大小
result.FoodList.DataCount = existingFoodListCount; //数据总数
result.FoodList.PageCount = Convert.ToInt32(Math.Ceiling(existingFoodListCount * 1.0d / pageSize)); //总页数
//增加能量，3大营养素数据
int i = 0;
foreach (var existingFood in result.FoodList.Data)
{
result.FoodList.Data[i].Value = foodValue;
result.FoodList.Data[i].Unit = "g";
//获取Food所对应的Component列表
var existingFoodComponentList = _foodComponentRepository.GetFoodComponentByFoodOid(existingFood.OID);
//增加营养元素的数据
List <FoodComponent> foodComponentList = new List <FoodComponent>();
foreach (var existingFoodComponent in existingFoodComponentList)
{
var existingComponent = _mapper.Map <FoodComponent>(_componentRepository.GetById(existingFoodComponent.ComponentOid));
existingComponent.Value = (existingFoodComponent.Value * foodValue) / 100f;
foodComponentList.Add(existingComponent);
}
existingFood.FoodComponentList = foodComponentList;
existingFood.ID = (pageIndex * pageSize) + i + 1;
i++;
}
}
catch (Exception)
{
return(null);
}
return(result);
}
