website/Website/Controllers/BlogController.cs

86 lines
2.3 KiB
C#

using System;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Website.Data;
using Website.Models;
using Website.ViewModels;
namespace Website.Controllers {
public class BlogController:Controller {
private const int MaxPostsPerPage = 10;
private readonly IBlogApi _api;
public BlogController(IBlogApi api) => _api = api;
public async Task<IActionResult> Page(int page) {
var offset = (page - 1) * MaxPostsPerPage;
var posts = (await _api.GetLatestPostsAsync(MaxPostsPerPage, offset)).Select(p => new BlogPostSnippetViewModel(p));
var maxPages = (await _api.GetCountAsync()) / MaxPostsPerPage;
var model = new BlogViewModel(posts, page, maxPages);
return View(model);
}
public async Task<IActionResult> Entry(string url, bool preview = false) {
try {
var post = await _api.GetPostByUrlAsync(url);
if (!preview && string.IsNullOrEmpty(post.Content))
return NotFound();
var model = new BlogPostViewModel(post, preview);
return View(model);
} catch (InvalidOperationException) {
return NotFound();
}
}
[Authorize]
public async Task<IActionResult> Edit(int? id) {
if (!id.HasValue)
return View();
try {
var post = await _api.GetPostByIdAsync(id.Value);
var model = new BlogPostSubmission {
Id = post.Id,
Title = post.Title,
Content = post.Draft
};
return View(model);
} catch (InvalidOperationException) {
return NotFound();
}
}
[Authorize]
[HttpPost]
public async Task<IActionResult> Save(BlogPostSubmission submission) {
var savedPost = await _api.SavePost(submission);
return RedirectToAction(nameof(Edit), new { savedPost.Id });
}
[Authorize]
public async Task<IActionResult> Manage() {
var posts = await _api.GetAllPostsAsync();
var models = posts.OrderByDescending(post => post.Timestamp).Select(post => new BlogPostViewModel(post, false));
return View(models);
}
[Authorize]
public async Task<IActionResult> Publish(int id) {
await _api.PublishPostAsync(id);
return RedirectToAction(nameof(Manage));
}
[Authorize]
public async Task<IActionResult> Delete(int id) {
await _api.DeletePostAsync(id);
return RedirectToAction(nameof(Manage));
}
}
}