public static bool IsValidSetting(FilterSetting filterSetting)
{
// 檢查目標網址(不允許NULL)
if (filterSetting.CrawlUrl == null ||
filterSetting.CrawlUrl.Length > limitLenOfUrl ||
!filterSetting.CrawlUrl.StartsWith(TargetUrlHead))
{
return(false);
}
// 薪資範圍必須為5~6位數
if (filterSetting.MinimumWage < 10000 || filterSetting.MaximumWage > 999999)
{
return(false);
}
// 最高月薪必須大於最低月薪
if (filterSetting.MaximumWage < filterSetting.MinimumWage)
{
return(false);
}
// 檢查欲排除的關鍵字
if (!IsValidString(filterSetting.ExcludeWord, limitLenOfExcludeWord))
{
return(false);
}
// 檢查欲排除的公司名稱
if (!IsValidString(filterSetting.IgnoreCompany, limitLenOfIgnoreCompany))
{
return(false);
}
// 檢查備註
if (!IsValidString(filterSetting.Remarks, limitLenOfRemark))
{
return(false);
}
return(true);
}
public static string CreateSetting(ApplicationDbContext _context, FilterSetting filterSetting, string UserEmail)
{
// 查看設定檔的數量是否已達上限
List <FilterSetting> filterSettings = _context.FilterSetting.Where(m => m.UserEmail == UserEmail).ToList();
if (filterSettings.Count > 2)
{
return("建立失敗，您的設定數量已達上限!");
}
// 在後端進行表單驗證
if (!IsValidSetting(filterSetting))
{
return("系統忙碌中，請稍後再試 >___<");
}
// 若通過驗證則創建表單
filterSetting.UserEmail = UserEmail;
_context.Add(filterSetting);
return(null);
}
public static string DeleteSetting(ApplicationDbContext _context, string UserEmail, int?id)
{
if (id == null)
{
return("系統忙碌中，請稍後再試 >___<");
}
FilterSetting TargetSetting = _context.FilterSetting.FirstOrDefault(m => m.Id == id);
if (TargetSetting == null)
{
return("系統忙碌中，請稍後再試 >___<");
}
// 令管理員以外的用戶只能刪除自己的設定
if (!UserService.InAdminGroup(UserEmail) && TargetSetting.UserEmail != UserEmail)
{
return("系統忙碌中，請稍後再試 >___<");
}
_context.FilterSetting.Remove(TargetSetting);
return(null);
}