Added Inspect Page

CHANGELOG.md

@@ -5,6 +5,7 @@
 ### Added
 
 - Page Titles to Login, Logout and Urls Page
+- Added Inspect Page, which displays information about a URL and allows to delete it
 
 ## [1.1.0] - 2023-04-17
 

Pages/Inspect.cshtml

@@ -0,0 +1,38 @@
+@page
+@using JustShortIt.Model
+@model JustShortIt.Pages.InspectModel
+@{
+    ViewData["Title"] = "Inspect";
+}
+
+<div class="columns is-centered is-multiline my-6 px-4">
+@if (Model.UrlRedirect is null) {
+    @if (!string.IsNullOrEmpty(Model.Message)) {
+        <div class="column is-half-desktop is-two-thirds-tablet is-full-mobile notification is-info">
+            <button class="delete" onclick="this.parentElement.remove()"></button>
+            @Html.Raw(Model.Message)
+        </div>
+    } else {
+        <div class="column is-full has-text-centered">
+            <h1 class="title is-2 has-text-danger">URL not found</h1>
+            <h2 class="subtitle is-4">The given ID does not exist, it may have expired or been deleted.</h2>
+            <a class="button is-primary is-medium" asp-page="Urls">Back to URLs</a>
+        </div>
+    }
+} else {
+    <div class="column is-half-desktop is-two-thirds-tablet is-full-mobile">
+        <dl class="">
+            <dt>ID</dt>
+            <dd>@Model.UrlRedirect.Id</dd>
+            <dt>URL-Target</dt>
+            <dd>@Model.UrlRedirect.Target</dd>
+        </dl>
+        
+        <form class="buttons" method="post">
+            <input type="hidden" asp-for="Id" />
+            <button type="submit" class="button is-danger">Delete</button>
+        </form>
+    </div>
+
+}
+</div>

Pages/Inspect.cshtml.cs

@@ -0,0 +1,46 @@
+using JustShortIt.Model;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.Extensions.Caching.Distributed;
+
+namespace JustShortIt.Pages; 
+
+[Authorize]
+public class InspectModel : PageModel {
+    [BindProperty(Name = "id", SupportsGet = true)]
+    public string? Id { get; set; } = string.Empty;
+    [BindProperty(Name="message")]
+    public string? Message { get; set; }
+
+    public UrlRedirect? UrlRedirect { get; set; }
+    
+    private IDistributedCache Db { get; }
+
+    public InspectModel(IDistributedCache db) {
+        Db = db;
+    }
+
+    public async Task<IActionResult> OnPostAsync() {
+        if (Id == null) return await OnGet(null, $"Delete request without ID, aborted.");
+
+        await Db.RemoveAsync(Id);
+
+        return await OnGet(null, $"ID '{Id}' successfully deleted.");
+    }
+
+    public async Task<IActionResult> OnGet(string? id, string? message) {
+        if (id is null && message is null) return RedirectToPage("Urls");
+        
+        Id = id;
+        Message = message;
+
+        if (Id is not null) {
+            string? url = await Db.GetStringAsync(Id);
+            if (url is not null) 
+                UrlRedirect = new UrlRedirect(Id, url, string.Empty);
+        }
+
+        return Page();
+    }
+}