Добавил обработку пустых запросов

PaydayFrontend/Controllers/HomeController.cs

@@ -29,11 +29,13 @@ public class HomeController : Controller
         var random = new Random(DateTime.Now.Millisecond);
         universities = universities.OrderBy(x => random.Next()).ToList();
 
-        return View(universities.ToList());
+        var answer = new UniversityViewModel(universities, searchString);
+
+        return View(answer);
     }
     
     [Route("Directions")]
-    public async Task<IActionResult> Directions(long universityId)
+    public async Task<IActionResult> Directions(long universityId, string searchString)
     {
         if (universityId == 0)
             return RedirectToAction("Index");
@@ -41,9 +43,17 @@ public class HomeController : Controller
         var answer = new UniversityDirectionsViewModel();
         answer.University = await _universityService.GetUniversityById(universityId);
         answer.Directions = await _universityService.GetDirectionsByUniversityId(universityId);
+        answer.SearchString = searchString;
+        
+        if (!String.IsNullOrEmpty(searchString))
+        {
+            answer.Directions = answer.Directions.Where(s => s.Name!.ToLower().Contains(searchString.ToLower()) || s.Code!.ToLower().Contains(searchString.ToLower())).ToList();
+        }
+
         return View(answer);
     }
     
+    [Route("Credits")]
     public IActionResult Credits()
     {
         return View();

PaydayFrontend/Models/University.cs

@@ -0,0 +1,10 @@
+namespace PaydayFrontend.Models;
+
+public class University
+{
+    public long Id { get; set; }
+    public string Name { get; set; }
+    public string FullName { get; set; }
+    public string ImageUrl { get; set; }
+    public long MinPlaceCost { get; set; }
+}

PaydayFrontend/Models/UniversityDirectionsViewModel.cs

@@ -2,6 +2,18 @@
 
 public class UniversityDirectionsViewModel
 {
+    public UniversityDirectionsViewModel()
+    {
+    }
+
+    public UniversityDirectionsViewModel(University university, List<Direction> directions, string searchString)
+    {
+        University = university;
+        Directions = directions;
+        SearchString = searchString;
+    }
+
     public University University { get; set; }
     public List<Direction> Directions { get; set; }
+    public string SearchString { get; set; }
 }

PaydayFrontend/Models/UniversityViewModel.cs

@@ -1,10 +1,13 @@
-namespace PaydayFrontend.Models;
+namespace PaydayFrontend.Models;
 
-public class University
+public class UniversityViewModel
 {
-    public long Id { get; set; }
+    public UniversityViewModel(List<University> directions, string searchString)
-    public string Name { get; set; }
+    {
-    public string FullName { get; set; }
+        Directions = directions;
-    public string ImageUrl { get; set; }
+        SearchString = searchString;
-    public long MinPlaceCost { get; set; }
+    }
+
+    public List<University> Directions { get; set; }
+    public string SearchString { get; set; }
 }

PaydayFrontend/Views/Home/Directions.cshtml

@@ -10,28 +10,43 @@
             <div class="navigation_fixed_background"></div>
             <div class="navigation_banks col-md-12" id="navigation">
                 <div class="navigation_banks_univer" id="universe">@Model.University.Name</div>
-                <div id="navigation_row_block" class="navigation_input_block">
+                <form id="navigation_row_block" class="navigation_input_block">
-                    <input type="text" class="navigation_input" placeholder="Введите код или название направления"><img src="/img/logo/search.svg" alt="search" class="navigation_search">
+                    <input type="hidden" name="universityId" value="@Model.University.Id" /> 
-                </div>
+                    <input type="text" name="searchString" class="navigation_input" placeholder="Введите код или название направления" value="@Model.SearchString">
+                    <input type="image" src="/img/logo/search.svg" alt="search" class="navigation_search">
+                </form>
             </div>
 
         </div>
-        <div class="row row-cols-lg-1 g-5 g-lg-3">
+        <div id="listDirections" class="row row-cols-lg-1 g-5 g-lg-3">
             @{
                 foreach (var direction in Model.Directions)
                 {
                     <div class="col-md-12">
-                        <div class="navigation_info navigation_info_text p-3">@direction.Code - @direction.Name<span class="navigation_cost">От 5600 в мес.</span> 10+ Банков</div>
+                        <div class="navigation_info navigation_info_text p-3">@direction.Code - @direction.Name<span class="navigation_cost">От @float.Round(direction.PlaceCost/12) т в мес.</span> @direction.PlaceCost т в год</div>
                     </div>
                 }
             }
-
-            
         </div>
+        <script>
+                var element = document.getElementById("listDirections");
+                var numberOfChildren = element.childElementCount;
+                if (numberOfChildren <= 0) {
+                    Swal.fire(
+                            'Ничего не найдено!',
+                            "По вашему запросу ничего не найдено",
+                            'warning'
+                          ).then((result) => {
+                              window.location.replace("/Directions?universityId=@Model.University.Id");
+                            })
+                    }
+            </script>
     </div>
     <div class="navigation_choise">
         <div class="navigation_slid">
+            <a href="/" class="navigation_slid_disable">
             <span class="navigation_slid_disable"></span>
+            </a>
             <span class="navigation_slid_active"></span>
             <span class="navigation_slid_disable"></span>
             <span class="navigation_slid_disable"></span>

PaydayFrontend/Views/Home/Index.cshtml

@@ -1,4 +1,5 @@
-@model List<University>
+@model UniversityViewModel
+
 
 @{
     ViewData["Title"] = "Доступное образование";
@@ -6,13 +7,13 @@
 
 <section class="universe">
     <div class="container container_flex">
-        <div class="row row_flex">
+        <div id="listUniversity" class="row row_flex">
             <form class="universe_input_block col-md-12">
-                <input type="text" class="universe_input" name="searchString" placeholder="Введите название вуза или суза...">
+                <input type="text" class="universe_input" name="searchString" placeholder="Введите название вуза или суза..." value="@Model.SearchString">
                 <input type="image" src="/img/logo/search.svg" alt="search" class="universe_search">
             </form>
             @{
-                foreach (var university in Model)
+                foreach (var university in Model.Directions)
                 {
                     <a href="Directions?UniversityId=@university.Id" class="col-2 universe_card universe_card_text">
                         <img src="@university.ImageUrl" alt="universe" class="universe_icon">
@@ -25,8 +26,21 @@
                 }
             }
         </div>
-
     </div>
+    <script>
+        var element = document.getElementById("listUniversity");
+        var numberOfChildren = element.childElementCount;
+        if (numberOfChildren <= 1) {
+            Swal.fire(
+                    'Ничего не найдено!',
+                    "По вашему запросу ничего не найдено",
+                    'warning'
+                  ).then((result) => {
+                      window.location.replace("/");
+                    })
+            }
+    </script>
+    
     <div class="navigation_choise">
         <div class="navigation_slid">
             <span class="navigation_slid_active"></span>

PaydayFrontend/Views/Shared/_Layout.cshtml

@@ -21,8 +21,8 @@
                 <span></span>
                 <span></span>
             </div>
-            <img src="/img/logo/logoPayDay.png" alt="logo" class="menu_logo">
+            <a href="/"><img src="img/logo/logoPayDay.png" alt="logo" class="menu_logo"></a>
-            <div class="menu_project_name menu_project_name_text">Доступное образование</div>
+            <a href="/" class="menu_project_name menu_project_name_text">Доступное образование</a>
         </div>
         <!-- <button class="header_login">
             Вход через <span class="header_login_text">ЕСИА</span>
@@ -47,6 +47,7 @@
             </div>
         </div>
     </nav> *@
+<script src="https://cdn.jsdelivr.net/npm/sweetalert2@11"></script>
 </header>
 @* <div class="container"> *@
     <main role="main" class="pb-3">

PaydayFrontend/wwwroot/css/style.css

@@ -55,6 +55,7 @@ header {
 }
 
 .menu_project_name_text {
+    text-decoration: none;
     color: #20d37d;
     font-size: 3.5vh;
     font-style: normal;