public ActionResult ShowUserInfo(UserInfoViewModel viewModel)
{
if (ModelState.IsValid)
{
Mapper.CreateMap <UserInfoViewModel, UserDetail>();
Mapper.CreateMap <UserInfoViewModel, UserExtensionInfo>();
UserDetail userDetail = Mapper.Map <UserInfoViewModel, UserDetail>(viewModel);
UserExtensionInfo userExtensionInfo = Mapper.Map <UserInfoViewModel, UserExtensionInfo>(viewModel);
try
{
_accountService.UpdateUserInfo(userDetail, false);
_accountService.UpdateUserExtensionInfo(userExtensionInfo);
}
catch (Exception e)
{
throw e;
}
ViewBag.UpdateInfo = "保存成功";
}
else
{
ViewBag.UpdateInfo = "保存失败";
}
//sent the selections
ViewBag.EducationlevelName = new SelectList(_accountService.GetEducationlevels(), "Name", "Name", viewModel.EducationlevelName);
ViewBag.PronviceName = new SelectList(_accountService.GetPrinvice(), "Name", "Name", viewModel.PronviceName);
ViewBag.MaritalstatusName = new SelectList(_accountService.GetMaritalstatus(), "Name", "Name", viewModel.MaritalstatusName);
ViewBag.IndustryCategoryName = new SelectList(_accountService.GetIndustryCategories(), "Name", "Name", viewModel.IndustryCategoryName);
ViewBag.GenderName = new SelectList(_accountService.GetGenders(), "Name", "Name", viewModel.GenderName);
return(View(viewModel));
}
/// <summary>
/// 计算用户名称型属性的综合编码
/// </summary>
/// <param name="ui"></param>
/// <returns></returns>
private string GetUserExtensionSumCode(UserExtensionInfo ui)
{
string sumCode = string.Empty;
sumCode += ui.PronviceCode;
sumCode += ui.EducationlevelCode;
sumCode += ui.GenderCode;
sumCode += ui.MaritalstatusCode;
sumCode += ui.IndustryCategoryCode;
sumCode += ui.LocationCode;
return(sumCode);
}
//两两用户相似度计算策略
private int AcquireSimilarityBetween(UserExtensionInfo preUser, UserExtensionInfo backUser)
{
int degree = 0;
string preCode = preUser.SumCode;
string backCode = backUser.SumCode;
for (int i = 0; i < preUser.SumCode.Length; i++)
{
if (preCode[i] == backCode[i])
{
degree++;
}
}
int missedDegre = 0;
#region 考虑用户尚未填写的扩展信息
string missedStr = "未设置";
if (preUser.EducationlevelName == missedStr || backUser.EducationlevelName == missedStr)
{
missedDegre += preUser.EducationlevelCode.Length;
}
if (preUser.MaritalstatusName == missedStr || backUser.MaritalstatusName == missedStr)
{
missedDegre += preUser.MaritalstatusCode.Length;
}
if (preUser.GenderName == missedStr || backUser.GenderName == missedStr)
{
missedDegre += preUser.GenderCode.Length;
}
if (preUser.IndustryCategoryName == missedStr || backUser.IndustryCategoryName == missedStr)
{
missedDegre += preUser.IndustryCategoryCode.Length;
}
if (preUser.PronviceName == missedStr || backUser.PronviceName == missedStr)
{
missedDegre += preUser.PronviceCode.Length;
}
if (preUser.LocationName == missedStr || backUser.LocationName == missedStr)
{
missedDegre += preUser.LocationCode.Length;
}
#endregion
degree = degree - missedDegre;
//数值型属性相似度
if (preUser.BirthTime != DateTime.MinValue && backUser.BirthTime != DateTime.MinValue)
{
degree = degree - Math.Abs(preUser.Age - backUser.Age);
}
//值越大，相似度越大
return(degree);
}
/// <summary>
/// 用户注册
/// </summary>
/// <param name="viewModel">用户注册基本信息</param>
/// <returns>注册是否成功</returns>
public OperationResult Register(UserRegisterViewModel viewModel)
{
if (_userRepository.Entities.Any(u => u.LoginName == viewModel.LoginName))
{
return(new OperationResult(false, "该用户名已存在"));
}
if (viewModel.PassWord != viewModel.PassWordConfirmed)
{
return(new OperationResult(false, "两次密码不匹配"));
}
#region 新建用户信息
Role role = _roleRepository.Entities.First(r => r.RoleName == "general");
User newUser = new User
{
LoginName = viewModel.LoginName,
PassWord = viewModel.PassWord,
RoleId = role.Id,
RoleName = role.RoleName,
CreateAt = DateTime.Now
};
_userRepository.Insert(newUser);
newUser = _userRepository.Entities.Single(u => u.LoginName
== viewModel.LoginName);
//添加用户详细信息
UserDetail userDetail = new UserDetail
{
NickName = viewModel.LoginName,
Email = viewModel.Email,
UserId = newUser.Id
};
_userDetailRepository.Insert(userDetail);
//添加用户扩展信息
string undefined = "未设置";
UserExtensionInfo userInfo = new UserExtensionInfo
{
BirthTime = DateTime.MinValue,
EducationlevelName = undefined,
GenderName = undefined,
IndustryCategoryName = undefined,
LocationName = undefined,
PronviceName = undefined,
MaritalstatusName = undefined
};
UpdateUseExtensionAttributeCode(userInfo);
userInfo.SumCode = GetUserExtensionSumCode(userInfo);
userInfo.UserId = newUser.Id;
_userExtionsionInfoRepository.Insert(userInfo);
#endregion
CreateUserInterest(newUser.Id);
return(new OperationResult(true));
}
/// <summary>
/// 根据属性名更新用户的各项扩展属性编码
/// </summary>
/// <param name="ui"></param>
/// <returns></returns>
private UserExtensionInfo UpdateUseExtensionAttributeCode(UserExtensionInfo ui)
{
try
{
ui.EducationlevelCode = db.Educationlevels.Single(o => o.Name == ui.EducationlevelName).Code;
ui.PronviceCode = db.Pronvices.Single(o => o.Name == ui.PronviceName).Code;
ui.GenderCode = db.Genders.Single(o => o.Name == ui.GenderName).Code;
ui.MaritalstatusCode = db.Maritalstatuses.Single(o => o.Name == ui.MaritalstatusName).Code;
ui.IndustryCategoryCode = db.IndustryCategories.Single(o => o.Name == ui.IndustryCategoryName).Code;
ui.LocationName = db.Locations.Single(o => o.Name == ui.LocationName).Code;
}
catch (Exception e)
{
throw e;
}
return(ui);
}
/// <summary>
/// 更新用户扩展信息
/// </summary>
/// <param name="ui"></param>
/// <returns></returns>
public OperationResult UpdateUserExtensionInfo(UserExtensionInfo ui)
{
ui = UpdateUseExtensionAttributeCode(ui);
if (ui.BirthTime != DateTime.MinValue)
{
ui.Age = DateTime.Now.Year - ui.BirthTime.Year;
}
int result = _userExtionsionInfoRepository.Update(ui);
if (result != 0)
{
return(new OperationResult(true, "用户扩展信息更新成功"));
}
else
{
return(new OperationResult(false, "用户扩展信息更新失败"));
}
}
//零数据情况下建立用户相似度数据集
public void CountSimilarity()
{
IEnumerable <User> users = db.Users;
foreach (var user in users)
{
IList <SimilarityMap> smilarityMap = new List <SimilarityMap>();
UserExtensionInfo currentuserExtensionInfo = db.UserExtensionInfos.Single(x => x.UserId == user.Id);
IEnumerable <int> otherUsersId = SelectOtherUsers(user);
foreach (var otherUserid in otherUsersId) //其他用户
{
UserExtensionInfo otherExtensionInfo = db.UserExtensionInfos.Single(x => x.UserId == otherUserid);
int similarityDegree = AcquireSimilarityBetween(currentuserExtensionInfo, otherExtensionInfo);
SimilarityMap newsimilarityMap = new SimilarityMap
{
UserId = otherUserid,
Similarity = similarityDegree
};
smilarityMap.Add(newsimilarityMap);
}
IEnumerable <SimilarityMap> similarity = smilarityMap.OrderByDescending(x => x.Similarity).Take(SimilarityUserSettingCount);
int priority = 1;
foreach (var similarityMap in similarity)
{
UserSimilarity userSimilarity = new UserSimilarity
{
UserId = user.Id,
SimilarUserId = similarityMap.UserId,
Priority = priority
};
db.UserSimilarities.Add(userSimilarity);
priority++;
}
}
db.SaveChanges();
}
