/// <summary>
/// 创建订单
/// </summary>
/// <param name="subscriptionId"></param>
/// <param name="textbookId"></param>
/// <param name="booksellerId"></param>
/// <param name="declarations"></param>
/// <param name="planCount"></param>
/// <param name="spareCount"></param>
/// <returns></returns>
public static Subscription CreateSubscription(Guid subscriptionId, Guid textbookId, Guid booksellerId, SchoolYearTerm term, int planCount, int spareCount)
{
var sub = new Subscription
{
Bookseller_Id = booksellerId,
PlanCount = planCount,
SpareCount = spareCount,
SubscriptionDate = DateTime.Now,
ID = subscriptionId,
Textbook_Id = textbookId,
SchoolYearTerm = term
};
return sub;
}
/// <summary>
/// 对教材汇总，生成订单
/// </summary>
/// <param name="studentDeclarations">学生用书申报</param>
/// <param name="teacherDeclarations">教师用书申报</param>
/// <returns></returns>
public static IEnumerable<Subscription> CreateSubscriptions(
IEnumerable<StudentDeclarationJiaoWu> studentDeclarations,
IEnumerable<TeacherDeclarationJiaoWu> teacherDeclarations
)
{
//合并教师用书申报与学生用书申报
var declarations = studentDeclarations.Union<DeclarationJiaoWu>(teacherDeclarations);
//分组
var result = declarations
.GroupBy(t => t.Textbook, new TextbookComparer()) //教材选择器
.Select(m =>
{
//取教材ID相同的申报
var studentDeclarationJiaoWus = studentDeclarations.Where(d => d.Textbook.ID == m.Key.ID).ToList();
var teacherDeclarationJiaoWus = teacherDeclarations.Where(d => d.Textbook_Id == m.Key.ID).ToList();
//转换为教材用书申报
var studentDeclarationTextbooks = studentDeclarationJiaoWus.ConvertAll(Converter);
var teacherDeclarationTextbooks = teacherDeclarationJiaoWus.ConvertAll(Converter);
//新建订单
var subscription = new Subscription
{
ID = Guid.NewGuid(),
Textbook_Id = m.Key.ID,
SchoolYearTerm = declarations.FirstOrDefault().SchoolYearTerm,
Textbook = m.Key,
PlanCount = m.Sum(s => s.DeclarationCount),
SpareCount = 0,
SubscriptionDate = DateTime.Now,
SubscriptionState = Models.FeedbackState.未征订,
StudentDeclarations = studentDeclarationTextbooks,
TeacherDeclarations = teacherDeclarationTextbooks
};
return subscription;
});
return result.ToList();
}
