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EnvelopeGenerator.ReceiverUI/Data/Adjustment.cs

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+namespace EnvelopeGenerator.ReceiverUI.Data {
+    public class Adjustment
+    {
+        public static Adjustment CreateBalanceForward(DateTime dt, int random)
+        {
+            var rnd = new DeterministicRandom(random);
+            Adjustment res = new Adjustment();
+            res.currentDateTime = dt;
+            res.currentDescription = "Balance Forward";
+            res.currentAmount = rnd.Random(10, 300) * 10;
+            return res;
+        }
+        public static Adjustment CreatePayment(DateTime dt, int random)
+        {
+            var rnd = new DeterministicRandom(random);
+            Adjustment res = new Adjustment();
+            res.currentDateTime = dt;
+            res.currentDescription = "Payment";
+            res.currentAmount = -rnd.Random(1, 40) * 10;
+            return res;
+        }
+        public static Adjustment CreateCharge(DateTime dt, int random)
+        {
+            var rnd = new DeterministicRandom(random);
+            Adjustment res = new Adjustment();
+            res.currentDateTime = dt;
+            res.currentDescription = rnd.GetRandomItem(bills);
+            res.currentAmount = rnd.Random(10, 50) * 10;
+            return res;
+        }
+
+        DateTime currentDateTime;
+        string currentDescription = "";
+        double currentAmount = 0;
+        static readonly string[] bills = new string[] { "Bill - Insurance", "Bill - Electricity", "Bill - Rent", "Bill - Phone", "Bill - Office Supplies" };
+        public DateTime Date { get { return currentDateTime; } }
+        public string Description { get { return currentDescription; } }
+        public double Amount { get { return currentAmount; } }
+
+        public Adjustment()
+        {
+        }
+    }
+}

EnvelopeGenerator.ReceiverUI/Data/Customer.cs

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+using DevExpress.DataAccess.Sql;
+using DevExpress.DataAccess.Sql.DataApi;
+
+namespace EnvelopeGenerator.ReceiverUI.Data {
+    public class Customer {
+        static List<Customer> currentCustomers = new List<Customer>();
+
+        public static List<Customer> Customers { get { return currentCustomers; } }
+        static Customer() {
+            try {
+                SqlDataSource ds = new SqlDataSource("NWindConnectionString");
+                SelectQuery query = SelectQueryFluentBuilder
+                    .AddTable("Customers")
+                    .SelectAllColumns()
+                    .Build("Customers");
+                ds.Queries.Add(query);
+                ds.RebuildResultSchema();
+                ds.Fill();
+                ITable src = ds.Result["Customers"];
+                foreach(var row in src) {
+                    currentCustomers.Add(new Customer() {
+                        CustomerID = row.GetValue<string>("CustomerID"),
+                        Address = row.GetValue<string>("Address"),
+                        CompanyName = row.GetValue<string>("CompanyName"),
+                        ContactName = row.GetValue<string>("ContactName"),
+                        ContactTitle = row.GetValue<string>("ContactTitle"),
+                        Country = row.GetValue<string>("Country"),
+                        City = row.GetValue<string>("City"),
+                        Fax = row.GetValue<string>("Fax"),
+                        Phone = row.GetValue<string>("Phone"),
+                        PostalCode = row.GetValue<string>("PostalCode"),
+                        Region = row.GetValue<string>("Region")
+                    });
+                }
+            } catch {
+                currentCustomers.Add(new Customer() { 
+                    Address = "Obere Str. 57",
+                    City = "Berlin",
+                    CompanyName = "Alfreds Futterkiste",
+                    ContactName = "Maria Anders",
+                    ContactTitle = "Sales Representative",
+                    Country = "Germany",
+                    CustomerID = "ALFKI",
+                    Fax = "030-0076545",
+                    Phone = "030-0074321",
+                    PostalCode = "12209"
+                });
+            }
+        }
+
+        public string CustomerID { get; set; }
+        public string CompanyName { get; set; }
+        public string ContactName { get; set; }
+        public string ContactTitle { get; set; }
+        public string Address { get; set; }
+        public string City { get; set; }
+        public string PostalCode { get; set; }
+        public string Region { get; set; }
+        public string Country { get; set; }
+        public string Phone { get; set; }
+        public string Fax { get; set; }
+
+    }
+}

EnvelopeGenerator.ReceiverUI/Data/DataItem.cs

@@ -0,0 +1,71 @@
+namespace EnvelopeGenerator.ReceiverUI.Data {
+    public class DataItem {
+        static readonly string[] accountType = new string[] { "Energy", "Manufacturing", "Estate", "Food", "Services" };
+        public string CustomerID { get; set; }
+        public string CompanyName { get; set; }
+        public string ContactName { get; set; }
+        public string ContactTitle { get; set; }
+        public string Address { get; set; }
+        public string City { get; set; }
+        public string PostalCode { get; set; }
+        public string Region { get; set; }
+        public string Country { get; set; }
+        public string Phone { get; set; }
+        public string Fax { get; set; }
+        public string Email { get; set; }
+        public string Invoice { get; set; }
+        public string CustomerAccount { get; set; }
+        public string CustomerIdentifiers { get; set; }
+        public DateTime BillingDate { get; set; }
+        public DateTime BillingPeriodStart { get; set; }
+        public DateTime BillingPeriodEnd { get; set; }
+        public string Terms { get; set; }
+        public string TermsID { get; set; }
+        public Adjustment[] Adjustments { get; set; }
+
+        public DataItem(int i) {
+            var rnd = new DeterministicRandom(i);
+            Customer c = rnd.GetRandomItem(Customer.Customers);
+            CustomerID = c.CustomerID;
+            CompanyName = c.CompanyName;
+            ContactName = c.ContactName;
+            ContactTitle = c.ContactTitle;
+            Address = c.Address;
+            City = c.City;
+            PostalCode = c.PostalCode;
+            Region = c.Region;
+            Country = c.Country;
+            Phone = c.Phone;
+            Fax = c.Fax;
+            Email = ContactName.Split(' ')[0].Replace(' ', '.').ToLower() + "@" + CompanyName.Split(' ')[0].ToLower() + ".com";
+            Invoice = string.Format("{0}{1}-{2}", rnd.RandomChar, rnd.Random(100, 1000), rnd.Random(100, 1000));
+            CustomerAccount = rnd.GetRandomItem(accountType);
+            CustomerIdentifiers = string.Format("{0}-{1}", rnd.Random(1000, 10000), rnd.Random(10, 100));
+            BillingPeriodStart = rnd.RandomTime();
+            BillingPeriodEnd = rnd.RandomTime(BillingPeriodStart, 7 * 24, 30 * 24);
+            BillingDate = rnd.RandomTime(BillingPeriodEnd, 7 * 24, 30 * 24);
+            Term currentTerm = rnd.GetRandomItem(Term.Terms);
+            Terms = currentTerm.Name;
+
+            int adjustmentsCount = rnd.Random(6) + 4;
+            Adjustments = new Adjustment[adjustmentsCount];
+            int h = (int)((BillingPeriodEnd - BillingPeriodStart).TotalHours / adjustmentsCount);
+
+            Adjustments[0] = Adjustment.CreateBalanceForward(rnd.RandomTime(BillingPeriodStart, 0, h), rnd.Random(10000));
+
+            int[] items = rnd.RandomList(adjustmentsCount - 1, 2);
+
+            for(int j = 1; j < Adjustments.Length; j++) {
+                DateTime nextDate = rnd.RandomTime(BillingPeriodStart.AddHours(h * j), 0, h);
+                    switch(items[j - 1]) {
+                        case 0:
+                            Adjustments[j] = Adjustment.CreateCharge(nextDate, rnd.Random(10000));
+                            break;
+                        case 1:
+                            Adjustments[j] = Adjustment.CreatePayment(nextDate, rnd.Random(10000));
+                            break;
+                    }
+            }
+        }
+    }
+}

EnvelopeGenerator.ReceiverUI/Data/DataItemList.cs

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+using System.Collections;
+
+namespace EnvelopeGenerator.ReceiverUI.Data {
+    public class DataItemList : IList<DataItem>, IList {
+        readonly int rowCount;
+
+        public DataItem this[int index] { get { return new DataItem(index); } set { } }
+        public int Count { get { return rowCount; } }
+        public bool IsReadOnly { get { return false; } }
+        public bool IsFixedSize { get { return false; } }
+        public object SyncRoot { get { return true; } }
+        public bool IsSynchronized { get { return true; } }
+        object IList.this[int index] { get { return new DataItem(index); } set { } }
+
+        public DataItemList(int rowCount) {
+            this.rowCount = rowCount;
+        }
+        public IEnumerator<DataItem> GetEnumerator() {
+            throw new NotImplementedException();
+        }
+        public int Add(object value) {
+            throw new NotImplementedException();
+        }
+        public bool Contains(object value) {
+            throw new NotImplementedException();
+        }
+        public void Clear() {
+            throw new NotImplementedException();
+        }
+        public int IndexOf(object value) {
+            throw new NotImplementedException();
+        }
+        public void Insert(int index, object value) {
+            throw new NotImplementedException();
+        }
+        public void Remove(object value) {
+            throw new NotImplementedException();
+        }
+        public void RemoveAt(int index) {
+            throw new NotImplementedException();
+        }
+        public void CopyTo(Array array, int index) {
+            throw new NotImplementedException();
+        }
+        IEnumerator IEnumerable.GetEnumerator() {
+            throw new NotImplementedException();
+        }
+        public int IndexOf(DataItem item) {
+            throw new NotImplementedException();
+        }
+        public void Insert(int index, DataItem item) {
+            throw new NotImplementedException();
+        }
+        public void Add(DataItem item) {
+            throw new NotImplementedException();
+        }
+        public bool Contains(DataItem item) {
+            throw new NotImplementedException();
+        }
+        public void CopyTo(DataItem[] array, int arrayIndex) {
+            throw new NotImplementedException();
+        }
+        public bool Remove(DataItem item) {
+            throw new NotImplementedException();
+        }
+        void ICollection<DataItem>.CopyTo(DataItem[] array, int arrayIndex) {
+            CopyTo(array, arrayIndex);
+        }
+    }
+}

EnvelopeGenerator.ReceiverUI/Data/DeterministicRandom.cs

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+namespace EnvelopeGenerator.ReceiverUI.Data {
+    class DeterministicRandom {
+        const int randomCount = 10000;
+        static readonly int[] deterministicRandomNumbers;
+        static readonly DateTime time;
+        int rnd;
+        int Next {
+            get {
+                rnd = deterministicRandomNumbers[rnd % randomCount];
+                return rnd;
+            }
+        }
+        public char RandomChar {
+            get {
+                return (char)((int)'A' + Random(0, 26));
+            }
+        }
+        public int[] RandomList(int count, int to) {
+            int[] res = new int[count];
+            for(int i = 0; i < Math.Min(count, to); i++)
+                res[i] = i;
+            for(int i = to; i < count; i++)
+                res[i] = Random(to);
+
+            for(int i = 0; i < count; i++) {
+                int ind = Random(count);
+                int temp = res[ind];
+                res[ind] = res[i];
+                res[i] = temp;
+            }
+            return res;
+        }
+        public int Random(int to) {
+            return Random(0, to);
+        }
+        public int Random(int from, int to) {
+            return Next % Math.Max(1, to - from) + from;
+        }
+        public T GetRandomItem<T>(IList<T> list) {
+            return list[Next % list.Count];
+        }
+        public DateTime RandomTime() {
+            return RandomTime(time, 0, 30 * 24);
+        }
+        public DateTime RandomTime(DateTime from, int fromHours, int toHours) {
+            return from.AddHours(Next % (toHours - fromHours) + fromHours);
+        }
+
+        static DeterministicRandom() {
+            time = DateTime.Now.AddDays(-62);
+            Random currentRandom = new Random(randomCount);
+            deterministicRandomNumbers = new int[randomCount];
+            for(int i = 0; i < randomCount; i++)
+                deterministicRandomNumbers[i] = currentRandom.Next(randomCount);
+        }
+        public DeterministicRandom(int i) {
+            this.rnd = i + (i >> 10) + (i >> 20);
+        }
+    }
+}

EnvelopeGenerator.ReceiverUI/Data/Term.cs

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+namespace EnvelopeGenerator.ReceiverUI.Data {
+    public struct Term {
+        public static readonly Term[] Terms = new Term[] {
+            new Term("Payment seven days after invoice date" ),
+            new Term("Payment ten days after invoice date" ),
+            new Term("End of month" ),
+            new Term("21st of the month following invoice date" ),
+        };
+        readonly string currentName;
+        public string Name { get { return currentName; } }
+        public Term(string currentName) {
+            this.currentName = currentName;
+        }
+    }
+}