init commit

contacts/FileIO.cs

@@ -0,0 +1,77 @@
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+
+namespace Contacts
+{
+    /// <summary>
+    /// Manages the contacts database and facilitates viewing the database via searching and sorting. Contains methods to update the current view.
+    /// </summary>
+    public class FileIO
+    {
+        public IEnumerable<Contact> currentState { get; set; }
+        private readonly List<Contact> _contacts = new();
+        //private string _filepath = "~/.contacts";
+
+        /// <summary>
+        /// Create the FileIo object and set default view.
+        /// </summary>
+        public FileIO()
+        {
+            currentState =
+                from c in _contacts
+                select c;
+        }
+
+        /// <summary>
+        ///     Facilitates incoming compatability with .vcf, .card, and .csv filetypes for contacts into this console-based
+        ///     contacts manager.
+        /// </summary>
+        /// <param name="resolver"></param>
+        public void Import(Resolver resolver)
+        {
+            resolver.Parse();
+            List<Contact> contacts = resolver.Contacts;
+            foreach (Contact c in contacts)
+                _contacts.Add(c);
+        }
+
+        /// <summary>
+        /// Facilitates outgoing compatability with .vcf, .card, and .csv filetypes for contacts into this console-based contacts manager.
+        /// </summary>
+        /// <param name="onIos"></param>
+        public void Export(bool onIos)
+        {
+            // TODO
+        }
+
+        /// <summary>
+        /// Save the contacts in the database to a file.
+        /// </summary>
+        /// <param name="targetFilePath">Path to the file on computer</param>
+        public void Save()
+        {
+            using (StreamWriter writer = new StreamWriter("yourContacts.save"))
+            {
+                foreach (Contact c in _contacts)
+                {
+                    writer.WriteLine($"{c.SaveString()}");
+                }
+            }
+        }
+
+        /// <summary>
+        /// Load the saved contacts in the database.
+        /// </summary>
+        public void Load()
+        {
+            using (StreamReader reader = new StreamReader("yourContacts.save"))
+            {
+                while (!reader.EndOfStream)
+                {
+                    _contacts.Add(new Contact(reader.ReadLine()));
+                }
+            }
+        }
+    }
+}