init commit

contacts/Address.cs

@@ -0,0 +1,76 @@
+using System;
+
+namespace Contacts
+{
+    /// <summary>
+    /// Represents an address for a contact. Contains methods to determine if two addresses are equal.
+    /// </summary>
+    public class Address : IEquatable<Address>
+    {
+        private readonly string _abbr;
+        private readonly string _city;
+        private readonly string _street;
+        private readonly string _zip;
+        public AddressType Type { get; }
+
+        /// <summary>
+        /// Accepts input string in format "123 Example St,City,ST,12345".
+        /// </summary>
+        /// <param name="address">Full address</param>
+        /// <param name="type">If null, defaults to "Other"</param>
+        public Address(string address, AddressType? type)
+        {
+            string[] parsedAddress = address.Split(",");
+            if (parsedAddress.Length != 4)
+                throw new ArgumentException("Address must be in the format of \"123 Example St,City,ST,12345\"");
+
+            _street = parsedAddress[0];
+            _city = parsedAddress[1];
+            _abbr = parsedAddress[2];
+            _zip = parsedAddress[3];
+
+            this.Type = type ?? AddressType.Other;
+        }
+
+        /// <summary>
+        /// Accepts input strings for each part of an address to create a new Address object.
+        /// </summary>
+        /// <param name="street"></param>
+        /// <param name="city"></param>
+        /// <param name="abbr"></param>
+        /// <param name="zip"></param>
+        /// <param name="type">If null, defaults to "Other"</param>
+        public Address(string street, string city, string abbr, string zip, AddressType? type)
+        {
+            this._street = street;
+            this._city = city;
+            this._abbr = abbr;
+            this._zip = zip;
+
+            this.Type = type ?? AddressType.Other;
+        }
+
+        /// <summary>
+        /// Determines if two addresses are equal, to avoid potential duplication.
+        /// </summary>
+        /// <param name="otherAddr">Address to compare to. If null, returns false.</param>
+        /// <returns>Whether or not the two addresses are the same.</returns>
+        public bool Equals(Address? otherAddr)
+        {
+            if (otherAddr == null)
+                return false;
+
+            return this.ToString().Equals(otherAddr.ToString());
+        }
+
+        /// <summary>
+        /// Formats address object to "123 Example St, City, ST 12345".
+        /// </summary>
+        /// <returns></returns>
+        /// <exception cref="NotImplementedException"></exception>
+        public override string ToString()
+        {
+            return _street + ", " + _city + ", " + _abbr + " " + _zip;
+        }
+    }
+}