Added endpoint to create new Contact

Controllers/ContactsController.cs

@@ -39,21 +39,29 @@ public class ContactsController : ControllerBase
         try
         {
             var contacts = contactsRepo.RetrieveAll();
+            var users = userRepo.RetrieveAllUsers();
 
-            if (contacts.Exists(c => c.PhoneNumber!.Equals(contact.PhoneNumber)) ||
-                string.IsNullOrEmpty(contact.UserID))
-            {
-                // The Contact already exists
-                return BadRequest(response);
-            }
-
-            var user = new User { Id = contact.UserID };
-
-            if (!userRepo.Exists(user).Item1)
+            if (users.Count() == 0)
             {
                 return BadRequest(response);
             }
 
+            if (contacts.Count() > 0)
+            {
+                if (contacts.Exists(c => c.PhoneNumber!.Equals(contact.PhoneNumber)) ||
+                    string.IsNullOrEmpty(contact.UserID))
+                {
+                    // The Contact already exists
+                    return BadRequest(response);
+                }
+            }
+
+            if (!userRepo.Exists(contact.UserID!).Item1)
+            {
+                return BadRequest(response);
+            }
+
+            contact.DateCreated = DateTime.Now;
             contactsRepo.Create(contact);
             response.Data.Add(contact);
         }

Models/Contact.cs

@@ -2,6 +2,7 @@ using System;
 
 using MongoDB.Bson;
 using MongoDB.Bson.Serialization.Attributes;
+using Newtonsoft.Json;
 
 namespace TextSender_API.Models;
 
@@ -10,17 +11,23 @@ public class Contact
 #region Properties
     [BsonId]
     [BsonRepresentation(BsonType.ObjectId)]
+    [JsonProperty("id")]
     public string? Id { get; set; }
     [BsonElement("firstname")]
+    [JsonProperty("firstname")]
     public string? Firstname { get; set; }
     [BsonElement("lastname")]
+    [JsonProperty("lastname")]
     public string? Lastname { get; set; }
     [BsonElement("phonenumber")]
+    [JsonProperty("phonenumber")]
     public string? PhoneNumber { get; set; }
     [BsonElement("date_created")]
+    [JsonProperty("date_created")]
     public DateTime DateCreated { get; set; }
     // [BsonRepresentation(BsonType.ObjectId)]
     [BsonElement("user_id")]
+    [JsonProperty("user_id")]
     public string? UserID  { get; set; }
 #endregion
 }