ProQuest Technical Test - Nikunj Bhargava

PhoneBookTestApp/PhoneBookTestApp/DatabaseUtil.cs

@@ -5,10 +5,12 @@ namespace PhoneBookTestApp
 {
     public class DatabaseUtil
     {
+        /// <summary>
+        /// Create Phone book Table In Database
+        /// </summary>
         public static void initializeDatabase()
         {
-            var dbConnection = new SQLiteConnection("Data Source= MyDatabase.sqlite;Version=3;");
-            dbConnection.Open();
+            var dbConnection = GetConnection();
 
             try
             {
@@ -17,19 +19,6 @@ public static void initializeDatabase()
                         "create table PHONEBOOK (NAME varchar(255), PHONENUMBER varchar(255), ADDRESS varchar(255))",
                         dbConnection);
                 command.ExecuteNonQuery();
-
-                command =
-                    new SQLiteCommand(
-                        "INSERT INTO PHONEBOOK (NAME, PHONENUMBER, ADDRESS) VALUES('Chris Johnson','(321) 231-7876', '452 Freeman Drive, Algonac, MI')",
-                        dbConnection);
-                command.ExecuteNonQuery();
-
-                command =
-                    new SQLiteCommand(
-                        "INSERT INTO PHONEBOOK (NAME, PHONENUMBER, ADDRESS) VALUES('Dave Williams','(231) 502-1236', '285 Huron St, Port Austin, MI')",
-                        dbConnection);
-                command.ExecuteNonQuery();
-
             }
             catch (Exception)
             {
@@ -41,18 +30,12 @@ public static void initializeDatabase()
             }
         }
 
-        public static SQLiteConnection GetConnection()
-        {
-            var dbConnection = new SQLiteConnection("Data Source= MyDatabase.sqlite;Version=3;");
-            dbConnection.Open();
-
-            return dbConnection;
-        }
-
+        /// <summary>
+        /// Delete Table Phone Book On Application Close
+        /// </summary>
         public static void CleanUp()
         {
-            var dbConnection = new SQLiteConnection("Data Source= MyDatabase.sqlite;Version=3;");
-            dbConnection.Open();
+            var dbConnection = GetConnection();
 
             try
             {
@@ -71,5 +54,17 @@ public static void CleanUp()
                 dbConnection.Close();
             }
         }
+
+        /// <summary>
+        /// Get Database Connection
+        /// </summary>
+        /// <returns>Database Connection Object</returns>
+        public static SQLiteConnection GetConnection()
+        {
+            var dbConnection = new SQLiteConnection("Data Source= MyDatabase.sqlite;Version=3;");
+            dbConnection.Open();
+
+            return dbConnection;
+        }
     }
 }

PhoneBookTestApp/PhoneBookTestApp/IPhoneBook.cs

@@ -1,8 +1,26 @@
-namespace PhoneBookTestApp
+using System.Collections.Generic;
+namespace PhoneBookTestApp
 {
     public interface IPhoneBook
     {
-        Person findPerson(string firstName, string lastName);
-        void addPerson(Person newPerson);
+        /// <summary>
+        /// Find Person With Given Name In Phone Boook
+        /// </summary>
+        /// <param name="firstName">Person First Name</param>
+        /// <param name="lastName">Person Last Name</param>
+        /// <returns>Found Person Information</returns>
+        Person FindPerson(string firstName, string lastName);
+
+        /// <summary>
+        /// Add Person In Phone Book
+        /// </summary>
+        /// <param name="person">Person To Be Added</param>
+        void AddPerson(Person newPerson);
+
+        /// <summary>
+        /// Get All Person Present In The Phone Boook
+        /// </summary>
+        /// <returns>List Of Persons</returns>
+        IList<Person> GetAllPersons();
     }
 }

PhoneBookTestApp/PhoneBookTestApp/Person.cs

@@ -2,8 +2,19 @@
 {
     public class Person
     {
+        /// <summary>
+        /// Person Name
+        /// </summary>
         public string name;
+
+        /// <summary>
+        /// Person Phone Number
+        /// </summary>
         public string phoneNumber;
+
+        /// <summary>
+        /// Person Address
+        /// </summary>
         public string address;
     }
 }

PhoneBookTestApp/PhoneBookTestApp/PhoneBook.cs

@@ -1,15 +1,115 @@
-namespace PhoneBookTestApp
+using System;
+using System.Collections.Generic;
+using System.Data.SQLite;
+namespace PhoneBookTestApp
 {
     public class PhoneBook : IPhoneBook
     {
+        /// <summary>
+        /// Add Person In Phone Book
+        /// </summary>
+        /// <param name="person">Person To Be Added</param>
         public void AddPerson(Person person)
         {
-            throw new System.NotImplementedException();
+            var dbConnection = DatabaseUtil.GetConnection();
+            try
+            {
+                SQLiteCommand command =
+                     new SQLiteCommand(
+                        "INSERT INTO PHONEBOOK (NAME, PHONENUMBER, ADDRESS) VALUES(@personName,@personContact, @personAddress)",
+                        dbConnection);
+                command.Parameters.AddWithValue("@personName", person.name);
+                command.Parameters.AddWithValue("@personContact", person.phoneNumber);
+                command.Parameters.AddWithValue("@personAddress", person.address);
+                command.ExecuteNonQuery();
+            }
+            catch (Exception)
+            {
+                throw;
+            }
+            finally
+            {
+                dbConnection.Close();
+            }
         }
 
-        public Person findPerson()
+        /// <summary>
+        /// Find Person With Given Name In Phone Boook
+        /// </summary>
+        /// <param name="firstName">Person First Name</param>
+        /// <param name="lastName">Person Last Name</param>
+        /// <returns>Found Person Information</returns>
+        public Person FindPerson(string firstName, string lastName)
         {
-            throw new System.NotImplementedException();
+            Person person = new Person();
+            if (!(string.IsNullOrEmpty(firstName) && string.IsNullOrEmpty(lastName)))
+            {
+                var dbConnection = DatabaseUtil.GetConnection();
+                try
+                {
+                    string personName = (firstName + " " + lastName).Trim();
+                    SQLiteCommand command =
+                         new SQLiteCommand(
+                            "SELECT NAME, PHONENUMBER, ADDRESS FROM PHONEBOOK WHERE NAME LIKE @personName ORDER BY NAME ASC LIMIT 1", dbConnection);
+                    command.Parameters.AddWithValue("@personName", "%" + personName + "%");
+                    using (var oReader = command.ExecuteReader())
+                    {
+                        while (oReader.Read())
+                        {
+                            person.name = oReader.GetString(0);
+                            person.phoneNumber = oReader.GetString(1);
+                            person.address = oReader.GetString(2);
+                        }
+                    }
+                }
+                catch (Exception)
+                {
+                    throw;
+                }
+                finally
+                {
+                    dbConnection.Close();
+                }
+            }
+
+            return person;
+        }
+
+        /// <summary>
+        /// Get All Person Present In The Phone Boook
+        /// </summary>
+        /// <returns>List Of Persons</returns>
+        public IList<Person> GetAllPersons()
+        {
+            var dbConnection = DatabaseUtil.GetConnection();
+            IList<Person> personsList = new List<Person>();
+            try
+            {
+                SQLiteCommand command =
+                     new SQLiteCommand(
+                        "SELECT NAME, PHONENUMBER, ADDRESS FROM PHONEBOOK ", dbConnection);
+                using (var oReader = command.ExecuteReader())
+                {
+                    while (oReader.Read())
+                    {
+                        Person pp = new Person();
+                        pp.name = oReader.GetString(0);
+                        pp.phoneNumber = oReader.GetString(1);
+                        pp.address = oReader.GetString(2);
+                        personsList.Add(pp);
+                    }
+                }
+            }
+            catch (Exception)
+            {
+                throw;
+            }
+            finally
+            {
+                dbConnection.Close();
+            }
+
+            return personsList;
         }
     }
 }

PhoneBookTestApp/PhoneBookTestApp/PhoneBookTestApp.csproj

@@ -88,7 +88,9 @@
   </ItemGroup>
   <ItemGroup>
     <None Include="App.config" />
-    <None Include="packages.config" />
+    <None Include="packages.config">
+      <SubType>Designer</SubType>
+    </None>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <Import Project="..\packages\System.Data.SQLite.Core.1.0.99.0\build\net46\System.Data.SQLite.Core.targets" Condition="Exists('..\packages\System.Data.SQLite.Core.1.0.99.0\build\net46\System.Data.SQLite.Core.targets')" />

PhoneBookTestApp/PhoneBookTestApp/Program.cs

@@ -15,20 +15,75 @@ static void Main(string[] args)
             try
             {
                 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
-                */
+
+                Program pg = new Program();
+
+                // TODO: insert the new person objects into the database
+                pg.AddNewPersons();
 
                 // TODO: print the phone book out to System.out
+                pg.GetAllPhonebookRecords();
+
                 // TODO: find Cynthia Smith and print out just her entry
-                // TODO: insert the new person objects into the database
+                pg.FindRecordWithGivenName("", "mi");
 
+                Console.WriteLine("\nPress any key to exit.");
+                Console.ReadKey();
             }
             finally
             {
                 DatabaseUtil.CleanUp();
             }
         }
+
+        /// <summary>
+        /// Add new persons to database
+        /// </summary>
+        private void AddNewPersons()
+        {
+            /* 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
+                */
+            phonebook.AddPerson(new Person { name = "Chris Johnson", phoneNumber = "(321) 231-7876", address = "452 Freeman Drive, Algonac, MI" });
+            phonebook.AddPerson(new Person { name = "Dave Williams", phoneNumber = "(231) 502-1236", address = "285 Huron St, Port Austin, MI" });
+            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" });
+        }
+
+        /// <summary>
+        /// Find Record With Given Name
+        /// </summary>
+        /// <param name="firstName">First Name Of Person</param>
+        /// <param name="lastName">Last Name Of Person</param>
+        private void FindRecordWithGivenName(string firstName, string lastName)
+        {
+            Person person= phonebook.FindPerson(firstName.Trim(), lastName.Trim());
+            Console.WriteLine(Environment.NewLine);
+            if (person != null && person.address != null) {
+                Console.WriteLine("Found below Record");
+                Console.WriteLine("Name = {0}, PhoneNumber = {1}, Address = {2}", person.name,
+                    person.phoneNumber, person.address);
+            }
+            else
+            {
+                Console.WriteLine("No Matching Record Found");
+            }
+
+        }
+
+        /// <summary>
+        /// Show All Data Present In phonebok
+        /// </summary>
+        private void GetAllPhonebookRecords()
+        {
+            var personsList = phonebook.GetAllPersons();
+            for (int index = 0; index < personsList.Count; index++)
+            {
+                Console.WriteLine("{0} ,Name = {1}, PhoneNumber = {2}, Address = {3}", index, personsList[index].name,
+                    personsList[index].phoneNumber, personsList[index].address);
+            }
+        }
+
     }
 }