From e127d34d095b8d77577e647bf330f8dc2a8f5ffc Mon Sep 17 00:00:00 2001
From: Syndamia <kamen.d.mladenov@protonmail.com>
Date: Tue, 8 Dec 2020 15:56:50 +0200
Subject: Added initial implementation of User class

---
 Models/Classes/User.cs | 72 +++++++++++++++++++++++++++++++++++++++++++++++---
 Models/Models.csproj   |  5 ++++
 2 files changed, 74 insertions(+), 3 deletions(-)

(limited to 'Models')

diff --git a/Models/Classes/User.cs b/Models/Classes/User.cs
index 97f79b7..2549f81 100644
--- a/Models/Classes/User.cs
+++ b/Models/Classes/User.cs
@@ -1,7 +1,73 @@
+using System;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using Microsoft.AspNetCore.Identity;
+using System.Collections.Generic;
+
 namespace Models.Classes
 {
-	public class User
+    [Table("Users")]
+	public class User<T> : IdentityUser<int>
 	{
-		
+        private string firstName;
+        private string lastName;
+        private string profilePicture;
+        
+        [Required]
+        [Range(3, 50)]
+        [Display(Name = "Username")]
+        public override string UserName {
+            get => base.UserName;
+            set {
+                ValidateString("Username", 3, 50, value, true);
+                base.UserName = value;
+            }
+        }
+        
+        [Required]
+        [Range(3, 30)]
+        public string FirstName {
+            get => this.firstName;
+            set {
+                ValidateString("FirstName", 3, 30, value, false);
+                this.firstName = value;
+            }
+        }
+
+        [Required]
+        [Range(3, 30)]
+        public string LastName { 
+            get => this.lastName;
+            set {
+                ValidateString("LastName", 3, 30, value, false);
+                this.lastName = value;
+            }
+        }
+
+        public string ProfilePicture {
+            get => this.profilePicture;
+            set {
+                ValidateURL(value);
+                this.profilePicture = value;
+            }
+        }
+
+        public List<User<T>> Friends { get; set; }
+
+        private static void ValidateString(string name, int minLength, int maxLength, string value, bool canBeDigit) {
+            if (value.Length < minLength || value.Length > maxLength)
+                    throw new ArgumentException($"{name} length cannot be less than {minLength} and more than {maxLength}.");
+
+            foreach (char character in value) { // more efficient than Linq
+                if (!Char.IsLetter(character) || (canBeDigit && !Char.IsDigit(character)))
+                    throw new ArgumentException($"{name} contains invalid characters."); 
+            }
+        }
+
+        private static void ValidateURL(string urlValue) {
+            // Throws an error is URL is invalid
+            Uri validatedUri;
+            Uri.TryCreate(urlValue, UriKind.Absolute, out validatedUri);
+        }
 	}
-}
\ No newline at end of file
+}
diff --git a/Models/Models.csproj b/Models/Models.csproj
index abb6514..e51f9c6 100644
--- a/Models/Models.csproj
+++ b/Models/Models.csproj
@@ -5,4 +5,9 @@
     <RootNamespace>Models</RootNamespace>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="5.0.0" />
+    <PackageReference Include="System.ComponentModel.Annotations" Version="5.0.0" />
+  </ItemGroup>
+
 </Project>
-- 
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