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

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

namespace GanjooRazor.Areas.Admin.Pages
{
    public class TransferMeterModel : PageModel
    {
        /// <summary>
        /// rhythms alphabetically
        /// </summary>
        public GanjoorMetre[] RhythmsAlphabetically { get; set; }

        /// <summary>
        /// rhythms by frequency
        /// </summary>
        public GanjoorMetre[] RhythmsByVerseCount { get; set; }

        /// <summary>
        /// fatal error
        /// </summary>
        public string FatalError { get; set; }

        /// <summary>
        /// can edit
        /// </summary>
        public bool CanEdit { get; set; }

        public string InitialSourceMeter { get; set; }

        /// <summary>
        /// get
        /// </summary>
        /// <returns></returns>
        public async Task<IActionResult> OnGetAsync()
        {
            if (string.IsNullOrEmpty(Request.Cookies["Token"]))
                return Redirect("/");

            FatalError = "";
            CanEdit = Request.Cookies["CanEdit"] == "True";

            InitialSourceMeter = "";
            if (!string.IsNullOrEmpty(Request.Query["m"]))
            {
                InitialSourceMeter = Request.Query["m"];
            }

            using (HttpClient secureClient = new HttpClient(new GanjoorReloginHandler(Request, Response)))
            {
                if (await GanjoorSessionChecker.PrepareClient(secureClient, Request, Response))
                {

                    var rhythmResponse = await secureClient.GetAsync($"{APIRoot.Url}/api/ganjoor/rhythms?sortOnVerseCount=true");
                    if (!rhythmResponse.IsSuccessStatusCode)
                    {
                        FatalError = JsonConvert.DeserializeObject<string>(await rhythmResponse.Content.ReadAsStringAsync());
                        return Page();
                    }

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

                    List<GanjoorMetre> rhythmsByVerseCount = new List<GanjoorMetre>(RhythmsByVerseCount);
                    rhythmsByVerseCount.Sort((a, b) => a.Rhythm.CompareTo(b.Rhythm));
                    rhythmsByVerseCount.Insert(0, new GanjoorMetre()
                    {
                        Rhythm = "null"
                    }
                    );
                    rhythmsByVerseCount.Insert(0, new GanjoorMetre()
                    {
                        Rhythm = ""
                    }
                    );

                    RhythmsAlphabetically = rhythmsByVerseCount.ToArray();

                    var pageUrlResponse = await secureClient.GetAsync($"{APIRoot.Url}/api/ganjoor/pageurl?id={Request.Query["id"]}");
                    if (!pageUrlResponse.IsSuccessStatusCode)
                    {
                        FatalError = JsonConvert.DeserializeObject<string>(await pageUrlResponse.Content.ReadAsStringAsync());
                        return Page();
                    }
                    var pageUrl = JsonConvert.DeserializeObject<string>(await pageUrlResponse.Content.ReadAsStringAsync());

                    var pageQuery = await secureClient.GetAsync($"{APIRoot.Url}/api/ganjoor/page?url={pageUrl}");
                    if (!pageQuery.IsSuccessStatusCode)
                    {
                        FatalError = JsonConvert.DeserializeObject<string>(await pageQuery.Content.ReadAsStringAsync());
                        return Page();
                    }
                }
                else
                {
                    FatalError = "لطفاً از دیوان خارج و مجددا به آن وارد شوید.";
                }
            }
            return Page();
        }

        public async Task<IActionResult> OnPostAsync(string rhythm, string rhythm2)
        {
            using (HttpClient secureClient = new HttpClient(new GanjoorReloginHandler(Request, Response)))
            {
                if (await GanjoorSessionChecker.PrepareClient(secureClient, Request, Response))
                {
                    var rhythmResponse = await secureClient.GetAsync($"{APIRoot.Url}/api/ganjoor/rhythms?sortOnVerseCount=true");
                    if (!rhythmResponse.IsSuccessStatusCode)
                    {
                        FatalError = JsonConvert.DeserializeObject<string>(await rhythmResponse.Content.ReadAsStringAsync());
                        return new BadRequestObjectResult(FatalError);
                    }

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

                    var sourceMeter = RhythmsByVerseCount.Where(m => m.Rhythm == rhythm).Single();
                    var destMeter = RhythmsByVerseCount.Where(m => m.Rhythm == rhythm2).Single();

                    HttpResponseMessage response = await secureClient.PutAsync($"{APIRoot.Url}/api/ganjoor/prosody/transfer/{sourceMeter.Id}/{destMeter.Id}", null);
                    if (!response.IsSuccessStatusCode)
                    {
                        return new BadRequestObjectResult(JsonConvert.DeserializeObject<string>(await response.Content.ReadAsStringAsync()));
                    }
                    return new OkObjectResult(true);
                }
            }
            return new OkObjectResult(false);
        }
    }
}