Basic TODO tasks completed

PhoneBookTestApp/PhoneBookTestApp/DatabaseUtil.cs

@@ -1,14 +1,15 @@
 using System;
+using System.Collections.Generic;
+using System.Data;
 using System.Data.SQLite;
 
 namespace PhoneBookTestApp
 {
     public class DatabaseUtil
     {
-        public static void initializeDatabase()
+        public static void InitializeDatabase()
         {
-            var dbConnection = new SQLiteConnection("Data Source= MyDatabase.sqlite;Version=3;");
-            dbConnection.Open();
+            var dbConnection = OpenConnection();
 
             try
             {
@@ -31,17 +32,82 @@ public static void initializeDatabase()
                 command.ExecuteNonQuery();
 
             }
-            catch (Exception)
-            {
-                throw;
-            }
             finally
             {
                 dbConnection.Close();
             }
         }
 
-        public static SQLiteConnection GetConnection()
+        public static List<Person> List()
+        {
+            var result = new List<Person>();
+
+            using (SQLiteConnection connect = OpenConnection())
+            {
+                using (SQLiteCommand cmd = connect.CreateCommand())
+                {
+                    cmd.CommandText = @"SELECT * FROM PHONEBOOK";
+                    cmd.CommandType = CommandType.Text;
+                    SQLiteDataReader r = cmd.ExecuteReader();
+                    while (r.Read())
+                    {
+                        result.Add(
+                            new Person
+                            {
+                                name = r["NAME"].ToString(),
+                                phoneNumber = r["PHONENUMBER"].ToString(),
+                                address = r["ADDRESS"].ToString(),
+                            });
+                    }
+                }
+            }
+            return result;
+        }
+
+        public static Person Find(string firstName, string lastName)
+        {
+            Console.WriteLine($"Query for {firstName} {lastName}");
+            var result = new Person();
+            using (SQLiteConnection conn = OpenConnection())
+            {
+                var cmd = new SQLiteCommand(
+                    "SELECT * FROM PHONEBOOK WHERE NAME LIKE @name",
+                    conn
+                    );
+                cmd.Parameters.AddWithValue("@name", firstName + " " + lastName);
+                SQLiteDataReader r = cmd.ExecuteReader();
+
+                while (r.Read())
+                {
+                    result = new Person
+                    {
+                        name = r["NAME"].ToString(),
+                        phoneNumber = r["PHONENUMBER"].ToString(),
+                        address = r["ADDRESS"].ToString(),
+                    };
+                }
+            }
+            return result;
+        }
+
+        public static void Add(Person newPerson)
+        {
+            var result = new List<Person>();
+
+            using (SQLiteConnection conn = OpenConnection())
+            {
+                var cmd = new SQLiteCommand(
+                           "INSERT INTO PHONEBOOK (NAME, PHONENUMBER, ADDRESS) VALUES(@name, @phonenumber, @address)",
+                           conn);
+                cmd.Parameters.AddWithValue("@name", newPerson.name);
+                cmd.Parameters.AddWithValue("@phonenumber", newPerson.phoneNumber);
+                cmd.Parameters.AddWithValue("@address", newPerson.address);
+                cmd.ExecuteNonQuery();
+                Console.WriteLine("row inserted");
+            }
+        }
+
+        public static SQLiteConnection OpenConnection()
         {
             var dbConnection = new SQLiteConnection("Data Source= MyDatabase.sqlite;Version=3;");
             dbConnection.Open();

PhoneBookTestApp/PhoneBookTestApp/IPhoneBook.cs

@@ -2,7 +2,7 @@
 {
     public interface IPhoneBook
     {
-        Person findPerson(string firstName, string lastName);
-        void addPerson(Person newPerson);
+        Person FindPerson(string firstName, string lastName);
+        void AddPerson(Person newPerson);
     }
 }

PhoneBookTestApp/PhoneBookTestApp/Person.cs

@@ -5,5 +5,10 @@ public class Person
         public string name;
         public string phoneNumber;
         public string address;
+
+        public override string ToString()
+        {
+            return $"{{\n\tname: {name},\n\tphoneNumber: {phoneNumber},\n\taddress: {address}\n}}";
+        }
     }
 }

PhoneBookTestApp/PhoneBookTestApp/PhoneBook.cs

@@ -1,15 +1,22 @@
-namespace PhoneBookTestApp
+using System.Collections.Generic;
+
+namespace PhoneBookTestApp
 {
     public class PhoneBook : IPhoneBook
     {
-        public void AddPerson(Person person)
+        public void AddPerson(Person newPerson)
+        {
+            DatabaseUtil.Add(newPerson);
+        }
+        public Person FindPerson(string firstName, string lastName)
         {
-            throw new System.NotImplementedException();
+            return DatabaseUtil.Find(firstName, lastName);
         }
 
-        public Person findPerson()
+        public override string ToString()
         {
-            throw new System.NotImplementedException();
+            var personlist = DatabaseUtil.List();
+            return $"{string.Join(",\n", personlist)}";
         }
     }
 }

PhoneBookTestApp/PhoneBookTestApp/Program.cs

@@ -1,34 +1,51 @@
 using System;
 using System.Collections.Generic;
-using System.Data.SQLite;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace PhoneBookTestApp
 {
     class Program
     {
-        private PhoneBook phonebook = new PhoneBook();
+        static PhoneBook phonebook = new PhoneBook();
         static void Main(string[] args)
         {
             try
             {
-                DatabaseUtil.initializeDatabase();
+                DatabaseUtil.InitializeDatabase();
                 /* TODO: create person objects and put them in the PhoneBook and database
                 * John Smith, (248) 123-4567, 1234 Sand Hill Dr, Royal Oak, MI
                 * Cynthia Smith, (824) 128-8758, 875 Main St, Ann Arbor, MI
                 */
 
-                // TODO: print the phone book out to System.out
-                // TODO: find Cynthia Smith and print out just her entry
-                // TODO: insert the new person objects into the database
+                phonebook.AddPerson(
+                    new Person
+                    {
+                        name = "John Smith",
+                        phoneNumber = "(248) 123-4567",
+                        address = "1234 Sand Hill Dr, Royal Oak, MI"
+                    });
+                phonebook.AddPerson(
+                    new Person { 
+                        name = "Cynthia Smith", 
+                        phoneNumber = "(824) 128-8758", 
+                        address = "875 Main St, Ann Arbor, MI" }
+                    );
 
+                Console.WriteLine("print the phone book out to System.out");
+                Console.WriteLine(phonebook);
+
+                Console.WriteLine("find Cynthia Smith and print out just her entry    ");
+                Console.WriteLine(phonebook.FindPerson(firstName: "Cynthia", lastName: "Smith"));
+
+            }
+            catch(Exception ex)
+            {
+                Console.WriteLine(ex.ToString());
             }
             finally
             {
                 DatabaseUtil.CleanUp();
             }
+            Console.ReadLine();
         }
     }
 }

PhoneBookTestApp/PhoneBookTestApp/Tests/PhoneBookTest.cs

@@ -8,13 +8,13 @@ namespace PhoneBookTestAppTests
     public class PhoneBookTest
     {
         [Test]
-        public void addPerson()
+        public void AddPerson()
         {
             Assert.Fail();
         }
 
         [Test]
-        public void findPerson()
+        public void FindPerson()
         {
             Assert.Fail();
         }