Add yandex feed

Pages/Feed.xml.cshtml

@@ -0,0 +1,42 @@
+@page "/feed.yml"
+@using Microsoft.AspNetCore.Http
+@using Microsoft.EntityFrameworkCore
+@inject MyDarling.Models.DataContext context
+@{
+    var p =
+    new { Url = "https://mydarlingunderwear.ru/", LastUpdated = DateTime.Today };
+    Response.ContentType = "text/xml";
+    var products = context.Products
+        .Include(b => b.Figures)
+        .Where(b => b.Price != 0 && b.Figures.Count > 0);
+    await Response.WriteAsync("<?xml version='1.0' encoding='UTF-8' ?>");
+    var updateDate = p.LastUpdated.ToString("yyyy-MM-dd");
+}
+
+<yml_catalog date="@updateDate">
+    <shop>
+        <name>My Darling Underwear</name>
+        <company>Екатерина Мануйлова</company>
+        <url>@p.Url</url>
+        <currencies>
+            <currency id="RUB" rate="1"></currency>
+        </currencies>
+        <categories>
+            <category id="1">Нижнее бельё</category>
+        </categories>
+        <offers>
+            @foreach (var product in products)
+            {
+                var figureUrl = $"{@p.Url}Content/{@product.Id}/{@product.Figures[0].Id}.jpg";
+                <offer id="@product.Id" available="true">
+                    <url>@p.Url#@product.Id-1</url>
+                    <price>@product.Price</price>
+                    <currencyId>RUR</currencyId>
+                    <categoryId>1</categoryId>
+                    <name>@product.Name</name>
+                    <picture>@figureUrl</picture>
+                </offer>
+            }
+        </offers>
+    </shop>
+</yml_catalog>