divan/GanjooRazor/Areas/Admin/Pages/ModifyPage.cshtml.cs

using GanjooRazor.Utils;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using RMuseum.Models.Ganjoor;
using RMuseum.Models.Ganjoor.ViewModels;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;

namespace GanjooRazor.Areas.Admin.Pages
{
    [IgnoreAntiforgeryToken(Order = 1001)]
    public class ModifyPageModel : PageModel
    {

        /// <summary>
        /// HttpClient instance
        /// </summary>
        private readonly HttpClient _httpClient;

        /// <summary>
        /// constructor
        /// </summary>
        /// <param name="httpClient"></param>
        public ModifyPageModel(HttpClient httpClient)
        {
            _httpClient = httpClient;
        }

        /// <summary>
        /// Corresponding Ganojoor Page
        /// </summary>
        /// <summary>
        /// api model
        /// </summary>
        [BindProperty]
        public GanjoorModifyPageViewModel ModifyModel { get; set; }

        /// <summary>
        /// rythm
        /// </summary>
        public GanjoorMetre[] Rhythms { get; set; }

        /// <summary>
        /// page
        /// </summary>
        public GanjoorPageCompleteViewModel PageInformation { get; set; }

        /// <summary>
        /// ganjoor toc
        /// </summary>
        [BindProperty]
        public GanjoorTOC GanjoorTOC { get; set; }
        /// <summary>
        /// last message
        /// </summary>
        public string LastMessage { get; set; }

        private async Task PreparePage()
        {
            
            var rhythmResponse = await _httpClient.GetAsync($"{APIRoot.Url}/api/ganjoor/rhythms");

            rhythmResponse.EnsureSuccessStatusCode();

            Rhythms = JsonConvert.DeserializeObject<GanjoorMetre[]>(await rhythmResponse.Content.ReadAsStringAsync());


            var pageUrlResponse = await _httpClient.GetAsync($"{APIRoot.Url}/api/ganjoor/pageurl?id={Request.Query["id"]}");

            pageUrlResponse.EnsureSuccessStatusCode();

            var pageUrl = JsonConvert.DeserializeObject<string>(await pageUrlResponse.Content.ReadAsStringAsync());

            var pageQuery = await _httpClient.GetAsync($"{APIRoot.Url}/api/ganjoor/page?url={pageUrl}");
            pageQuery.EnsureSuccessStatusCode();
           
            PageInformation = JObject.Parse(await pageQuery.Content.ReadAsStringAsync()).ToObject<GanjoorPageCompleteViewModel>();

            ModifyModel = new GanjoorModifyPageViewModel()
            {
                Title = PageInformation.Title,
                UrlSlug = PageInformation.UrlSlug,
                HtmlText = PageInformation.HtmlText,
                Note = "",
                SourceName = PageInformation.Poem == null ? null : PageInformation.Poem.SourceName,
                SourceUrlSlug = PageInformation.Poem == null ? null : PageInformation.Poem.SourceUrlSlug,
                OldTag = PageInformation.Poem == null ? null : PageInformation.Poem.OldTag,
                OldTagPageUrl = PageInformation.Poem == null ? null : PageInformation.Poem.OldTagPageUrl,
                RhymeLetters = PageInformation.Poem == null ? null : PageInformation.Poem.RhymeLetters,
                Rhythm = PageInformation.Poem == null ? null : PageInformation.Poem.GanjoorMetre == null ? null : PageInformation.Poem.GanjoorMetre.Rhythm
            };
        }

        public async Task<IActionResult> OnGetAsync()
        {
            LastMessage = Request.Query["edit"] == "true" ? "ویرایش انجام شد." : "";
            if (string.IsNullOrEmpty(Request.Query["id"]))
            {
                return StatusCode(StatusCodes.Status500InternalServerError, "شناسهٔ صفحه مشخص نیست.");
            }
            GanjoorTOC = GanjoorTOC.Analyse;
            await PreparePage();
            return Page();
        }

        public async Task<IActionResult> OnPostAsync(GanjoorModifyPageViewModel ModifyModel)
        {
            using (HttpClient secureClient = new HttpClient())
            {
                if (await GanjoorSessionChecker.PrepareClient(secureClient, Request, Response))
                {
                    var putResponse = await secureClient.PutAsync($"{APIRoot.Url}/api/ganjoor/page/{Request.Query["id"]}", new StringContent(JsonConvert.SerializeObject(ModifyModel), Encoding.UTF8, "application/json"));
                    putResponse.EnsureSuccessStatusCode();
                    return Redirect($"/Admin/ModifyPage?id={Request.Query["id"]}&edit=true");
                }
                else
                {
                    LastMessage = "لطفا از گنجور خارج و مجددا به آن وارد شوید.";
                }
            }
            return Page();
        }

        public async Task<IActionResult> OnPostGenerateCatPageAsync(GanjoorTOC GanjoorTOC)
        {
            await PreparePage();

            var response = await _httpClient.GetAsync($"{APIRoot.Url}/api/ganjoor/cat?url={PageInformation.FullUrl}&poems=true");

            response.EnsureSuccessStatusCode();

            var Cat = JsonConvert.DeserializeObject<GanjoorPoetCompleteViewModel>(await response.Content.ReadAsStringAsync());

            using (HttpClient secureClient = new HttpClient())
            {
                if (await GanjoorSessionChecker.PrepareClient(secureClient, Request, Response))
                {
                    var htmlRes = await secureClient.GetAsync($"{APIRoot.Url}/api/ganjoor/cat/toc/{Cat.Cat.Id}/{(int)GanjoorTOC}");
                    htmlRes.EnsureSuccessStatusCode();

                    ModifyModel.HtmlText = await htmlRes.Content.ReadAsStringAsync();

                    LastMessage = $"متن تولیدی دریافت شد. لطفا آن را کپی کنید و سپس <a href=\"/Admin/ModifyPage?id={Request.Query["id"]}\">اینجا</a> کلیک کنید و آن را درج نمایید.";


                }
                else
                {
                    LastMessage = "لطفا از گنجور خارج و مجددا به آن وارد شوید.";
                }
            }
            return Page();
        }
    }
}