#172 delete page ui

GanjooRazor/Areas/Admin/Pages/ModifyPage.cshtml

@@ -166,3 +166,10 @@
 <p><a role="button" onclick="rebuildSitemap()" class="actionlink" title="بازسازی نقشهٔ سایت">بازسازی نقشهٔ‌سایت</a></p>
 
 <p><a role="button" onclick="rebuildStats()" class="actionlink" title="بازسازی صفحات آمار و اوزان عروضی">بازسازی صفحات آمار و اوزان عروضی</a></p>
+
+
+<table>
+    <tr>
+        <td><a role="button" href="/Admin/PageDel/?url=@Model.PageInformation.FullUrl" class="actionlink">حذف صفحه</a></td>
+    </tr>
+</table>

GanjooRazor/Areas/Admin/Pages/PageDel.cshtml

@@ -0,0 +1,40 @@
+@page
+@model GanjooRazor.Areas.Admin.Pages.PageDelModel
+@addTagHelper *, Microsoft.AspNetCore.Mvc.TagHelpers
+@{
+    Layout = "_AdminLayout";
+    ViewData["Title"] = "حذف صفحه";
+}
+
+<h1>@ViewData["Title"]</h1>
+
+@if (!string.IsNullOrEmpty(Model.LastResult))
+{
+    <p>
+        @Model.LastResult
+    </p>
+    <p>
+        <a role="button" href="/" class="actionlink">برگشت</a>
+    </p>
+}
+else
+{
+    <table>
+        <tr>
+            <td colspan="2">
+                آیا از حذف @Model.PageInformation.FullTitle اطمینان دارید؟
+            </td>
+        </tr>
+        <tr>
+            <td>
+                <form method="post" action="/Admin/PageDel?id=@Model.PageInformation.Id">
+                    <input type="submit" value="بله" />
+                </form>
+            </td>
+            <td>
+                <a role="button" href="/Admin/ModifyPage?id=@Model.PageInformation.Id" class="actionlink">خیر / برگشت</a>
+            </td>
+        </tr>
+    </table>
+}
+

GanjooRazor/Areas/Admin/Pages/PageDel.cshtml.cs

@@ -0,0 +1,86 @@
+using System.Net.Http;
+using System.Threading.Tasks;
+using GanjooRazor.Utils;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.Extensions.Caching.Memory;
+using Newtonsoft.Json.Linq;
+using RMuseum.Models.Ganjoor.ViewModels;
+
+namespace GanjooRazor.Areas.Admin.Pages
+{
+    [IgnoreAntiforgeryToken(Order = 1001)]
+    public class PageDelModel : PageModel
+    {
+        /// <summary>
+        /// HttpClient instance
+        /// </summary>
+        private readonly HttpClient _httpClient;
+
+        /// <summary>
+        /// memory cache
+        /// </summary>
+        private readonly IMemoryCache _memoryCache;
+
+        /// <summary>
+        /// constructor
+        /// </summary>
+        /// <param name="httpClient"></param>
+        /// <param name="memoryCache"></param>
+        public PageDelModel(HttpClient httpClient, IMemoryCache memoryCache)
+        {
+            _httpClient = httpClient;
+            _memoryCache = memoryCache;
+        }
+
+        /// <summary>
+        /// page
+        /// </summary>
+        public GanjoorPageCompleteViewModel PageInformation { get; set; }
+
+
+        /// <summary>
+        /// last result
+        /// </summary>
+        public string LastResult { get; set; }
+
+        public async Task<IActionResult> OnGetAsync()
+        {
+            var pageQuery = await _httpClient.GetAsync($"{APIRoot.Url}/api/ganjoor/page?url={Request.Query["url"]}");
+            pageQuery.EnsureSuccessStatusCode();
+
+            PageInformation = JObject.Parse(await pageQuery.Content.ReadAsStringAsync()).ToObject<GanjoorPageCompleteViewModel>();
+
+            return Page();
+        }
+
+        public async Task<IActionResult> OnPostAsync()
+        {
+            LastResult = "";
+            using (HttpClient secureClient = new HttpClient())
+            {
+                await GanjoorSessionChecker.PrepareClient(secureClient, Request, Response);
+
+                HttpResponseMessage response = await secureClient.DeleteAsync($"{APIRoot.Url}/api/ganjoor/page/cache/{Request.Query["id"]}");
+                response.EnsureSuccessStatusCode();
+
+
+                response = await secureClient.DeleteAsync($"{APIRoot.Url}/api/ganjoor/page/{Request.Query["id"]}");
+
+                if(!response.IsSuccessStatusCode)
+                {
+                    LastResult = await response.Content.ReadAsStringAsync();
+                }
+                else
+                {
+                    response.EnsureSuccessStatusCode();
+                    LastResult = "عملیات حذف صفحه انجام شد.";
+                }
+               
+
+                return Page();
+
+            }
+        }
+    }
+}

RMuseum/Services/Implementation/GanjoorService.cs

@@ -2775,6 +2775,11 @@ namespace RMuseum.Services.Implementation
                 {
                     return new RServiceResult<bool>(false, "Poem related page can nor be deleted.");
                 }
+                var cat = await _context.GanjoorCategories.Where(c => c.FullUrl == page.FullUrl).FirstOrDefaultAsync();
+                if(cat != null)
+                {
+                    return new RServiceResult<bool>(false, "Cat related page can nor be deleted.");
+                }
                 _context.GanjoorPages.Remove(page);
                 await _context.SaveChangesAsync();
                 return new RServiceResult<bool>(true);