86 lines
2.9 KiB
C#
86 lines
2.9 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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namespace DatabaseExport
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{
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public class CustomerDetails
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{
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private readonly ISO.CustomerDetails _customerDetails;
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public string Name
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{
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get => _customerDetails.Name;
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set => _customerDetails.Name = value;
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}
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public CustomerDetails()
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{
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_customerDetails = new ISO.CustomerDetails();
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_customerDetails.Name = "(none)";
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}
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public CustomerDetails(ISO.CustomerDetails customerDetails)
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{
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_customerDetails = new ISO.CustomerDetails(customerDetails);
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}
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public ISO.CustomerDetails GetISOCustomer()
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{
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return _customerDetails;
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}
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public override string ToString()
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{
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return Name;
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}
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}
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public class CustomerDetailsList
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{
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private static readonly CustomerDetailsList _customerList = new CustomerDetailsList();
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public static CustomerDetailsList CustomerList => _customerList;
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private void PopulateCustomers()
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{
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if (null != _customers) return;
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_customers = new Dictionary<string, CustomerDetails>();
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foreach (var c in _customerList.GetAllCustomers())
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{
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if (!_customers.ContainsKey(c.Name))
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{
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_customers.Add(c.Name, c);
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}
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}
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}
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private static readonly object _customerLock = new object();
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private Dictionary<string, CustomerDetails> _customers = null;
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public CustomerDetails[] Customers
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{
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get
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{
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lock (_customerLock)
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{
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PopulateCustomers();
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}
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var customers = new List<CustomerDetails>(_customers.Values);
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customers.Sort(CompareCustomers);
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return customers.ToArray();
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}
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}
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private static int CompareCustomers(CustomerDetails a, CustomerDetails b)
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{
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if (a == b) { return 0; }
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if (null == a) { return -1; }
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return null == b ? 1 : String.Compare(a.Name, b.Name, StringComparison.Ordinal);
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}
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public CustomerDetails[] GetAllCustomers()
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{
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var list = new List<CustomerDetails>();
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list.Add(new CustomerDetails()); //This is the "(none)" entry
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list.AddRange(ISO.CustomerDetails.GetAllCustomerDetails().Select(cs => new CustomerDetails(cs)));
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return list.ToArray();
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}
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public CustomerDetails GetCustomerDetail(string name)
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{
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var customers = from c in Customers.AsParallel() where c.Name == name select c;
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return customers.Any() ? customers.First() : null;
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}
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}
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}
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