/// <summary>
/// 處理在Index ViewModel所需要做的事情
/// </summary>
/// <typeparam name="TSearchForm">搜索form的形態</typeparam>
/// <typeparam name="TPageResult">搜索結果的形態</typeparam>
/// <param name="searchViewModel">搜索相關的viewmodel</param>
/// <param name="wherePredicate">當不用預設的where處理邏輯的時候，傳入的自訂where條件</param>
/// <param name="includes">需要Include進來的其他Entity</param>
public virtual void ProcessIndexViewModel <TSearchForm, TPageResult>(Common.Base.ISearchViewModelBase <TSearchForm, TPageResult> searchViewModel,
System.Linq.Expressions.Expression <Func <T, bool> > wherePredicate = null,
params System.Linq.Expressions.Expression <Func <T, object> >[] includes)
where TSearchForm : Common.Base.ISearchFormViewModelBase, new()
{
var data = db.Repository <T>().Reads();
foreach (var item in includes)
{
data.Include(item);
}
// 如果沒有where條件，表示依照預設邏輯
if (wherePredicate == null)
{
// 當沒有給filter條件並且搜索條件屬於前台看的
if (searchViewModel.SearchForm is IFrontViewModel)
{
SearchViewModelProcess.ApplySearchFormForFront <T, TSearchForm, TPageResult>(data,
searchViewModel);
}
else
{
SearchViewModelProcess.ApplySearchForm <T, TSearchForm, TPageResult>(data,
searchViewModel);
}
}
else
{
SearchViewModelProcess.ApplySearchForm <T, TSearchForm, TPageResult>(data,
searchViewModel, wherePredicate);
}
}
/// <summary>
/// TODO: 此方法需要重構
/// 把Search Form Viewmodel的OrderBy和Where條件apply上去。
/// 會把最終內容儲存到SearchViewModelBase.Result裡面。
/// </summary>
/// <typeparam name="T">EF 的Entity</typeparam>
/// <typeparam name="TSearchForm">Search Form ViewModel的Type</typeparam>
/// <typeparam name="TPageResult">Search結果的VieModel type</typeparam>
/// <param name="data">原始的IQueryable</param>
/// <param name="searchForm">SearchForm ViewModel</param>
/// <param name="where">where 條件</param>
public static void ApplySearchForm <T, TSearchForm, TPageResult>(IQueryable <T> data,
Common.Base.ISearchViewModelBase <TSearchForm, TPageResult> searchForm,
Expression <Func <T, bool> > where)
where TSearchForm : Core.Common.Base.ISearchFormViewModelBase, new()
{
data = data.Where(where);
ApplyOrderByAndToPageResult <T, TSearchForm, TPageResult>(data, searchForm);
}
/// <summary>
/// 用IndexViewModel產生出要匯出的內容
/// </summary>
/// <typeparam name="TSearchForm">搜索form的形態</typeparam>
/// <typeparam name="TPageResult">搜索結果的形態</typeparam>
/// <param name="searchViewModel">搜索相關的viewmodel</param>
/// <param name="wherePredicate">傳入要匯出的資料條件</param>
/// <param name="includes">需要Include進來的其他Entity</param>
public virtual void ProcessExportViewModel <TSearchForm, TPageResult>(Common.Base.ISearchViewModelBase <TSearchForm, TPageResult> searchViewModel,
System.Linq.Expressions.Expression <Func <T, bool> > wherePredicate = null,
params System.Linq.Expressions.Expression <Func <T, object> >[] includes)
where TSearchForm : Common.Base.ISearchFormViewModelBase, new()
{
var data = db.Repository <T>().Reads();
foreach (var item in includes)
{
data.Include(item);
}
SearchViewModelProcess.ApplySearchForm <T, TSearchForm, TPageResult>(data,
searchViewModel, wherePredicate);
}
/// <summary>
/// Apply Orderby並且把最後結果塞到SearchViewModelBase.Result裡面。
/// </summary>
/// <typeparam name="T">EF 的Entity</typeparam>
/// <typeparam name="TSearchForm">Search Form ViewModel的Type</typeparam>
/// <typeparam name="TPageResult">Search結果的VieModel type</typeparam>
/// <param name="data">原始的IQueryable</param>
/// <param name="searchForm">Search Form ViewModel</param>
private static void ApplyOrderByAndToPageResult <T, TSearchForm, TPageResult>(IQueryable <T> data,
Common.Base.ISearchViewModelBase <TSearchForm, TPageResult> searchForm) where TSearchForm : Common.Base.ISearchFormViewModelBase, new()
{
data = data.DynamicOrderBy(searchForm.SearchForm);
searchForm.Result = data.Project().To <TPageResult>().ToPagedList(searchForm.SearchForm.Page, searchForm.SearchForm.PageSize);
}
/// <summary>
/// 會過濾前台顯示需要的三個條件 - IsEnable和上下架的日期
/// 會把最終內容儲存到SearchViewModelBase.Result裡面。
/// </summary>
/// <typeparam name="T">EF 的Entity</typeparam>
/// <typeparam name="TSearchForm">Search Form ViewModel的Type</typeparam>
/// <typeparam name="TPageResult">Search結果的VieModel type</typeparam>
/// <param name="data">原始的IQueryable</param>
/// <param name="searchForm">Search Form ViewModel</param>
public static void ApplySearchFormForFront <T, TSearchForm, TPageResult>(IQueryable <T> data, Common.Base.ISearchViewModelBase <TSearchForm, TPageResult> searchForm)
where TSearchForm : Core.Common.Base.ISearchFormViewModelBase, new()
{
data = data.WhereForFrontDisplay();
ApplySearchForm <T, TSearchForm, TPageResult>(data, searchForm);
}
/// <summary>
/// 把Search Form Viewmodel的OrderBy和Where條件apply上去。
/// 會把最終內容儲存到SearchViewModelBase.Result裡面。
/// </summary>
/// <typeparam name="T">EF 的Entity</typeparam>
/// <typeparam name="TSearchForm">Search Form ViewModel的Type</typeparam>
/// <typeparam name="TPageResult">Search結果的VieModel type</typeparam>
/// <param name="data">原始的IQueryable</param>
/// <param name="searchForm">Search Form ViewModel</param>
public static void ApplySearchForm <T, TSearchForm, TPageResult>(IQueryable <T> data, Common.Base.ISearchViewModelBase <TSearchForm, TPageResult> searchForm)
where TSearchForm : Core.Common.Base.ISearchFormViewModelBase, new()
{
data = data.DynamicWhere(searchForm.SearchForm);
ApplyOrderByAndToPageResult <T, TSearchForm, TPageResult>(data, searchForm);
}
