Contactform saves input into db

RazorPagesMovie/Pages/Bewerbung.cshtml

@@ -939,9 +939,12 @@
 
                             <div class="contact-form-box style-two">
 
-                                <form action="https://formspree.io/f/myyleorq"
-                                      method="POST"
-                                      id="dreamit-form">
+                                @if (Model.ContactFormSubmitted)
+                                {
+                                    <div class="alert alert-success">Danke für deine Nachricht! Ich melde mich so schnell wie möglich.</div>
+                                }
+
+                                <form method="post" id="dreamit-form">
 
                                     <h4>
                                         Schreib mir eine Nachricht

RazorPagesMovie/Pages/Bewerbung.cshtml.cs

@@ -1,12 +1,62 @@
+using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.RazorPages;
+using RazorPagesMovie.Data;
+using RazorPagesMovie.Models;
 
 namespace RazorPagesMovie.Pages
 {
     public class BewerbungModel : PageModel
     {
+        private readonly RazorPagesMovieContext _context;
+
+        public BewerbungModel(RazorPagesMovieContext context)
+        {
+            _context = context;
+        }
+
+        [BindProperty]
+        public string Name { get; set; } = string.Empty;
+
+        [BindProperty]
+        public string Email { get; set; } = string.Empty;
+
+        [BindProperty]
+        public string? Phone { get; set; }
+
+        [BindProperty]
+        public string? Subject { get; set; }
+
+        [BindProperty]
+        public string Message { get; set; } = string.Empty;
+
+        public bool ContactFormSubmitted { get; set; }
+
         public void OnGet()
         {
 
         }
+
+        public async Task<IActionResult> OnPostAsync()
+        {
+            var contactMessage = new ContactMessage
+            {
+                Name = Name,
+                Email = Email,
+                Phone = Phone,
+                Subject = Subject,
+                Message = Message
+            };
+
+            if (!TryValidateModel(contactMessage, nameof(ContactMessage)))
+            {
+                return Page();
+            }
+
+            _context.ContactMessage.Add(contactMessage);
+            await _context.SaveChangesAsync();
+
+            ContactFormSubmitted = true;
+            return Page();
+        }
     }
 }