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discord-bot-shtik/WebInterface/Controllers/ChannelsController.cs

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2.4 KiB
C#
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using System.ComponentModel;
using System.Diagnostics;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using vassago.Models;
namespace vassago.Controllers;
public class ChannelsController : Controller
{
private readonly ILogger<ChannelsController> _logger;
private readonly ChattingContext _db;
public ChannelsController(ILogger<ChannelsController> logger, ChattingContext db)
{
_logger = logger;
_db = db;
}
public async Task<IActionResult> Index(string searchString)
{
return _db.Channels != null ?
View(_db.Channels.Include(u => u.ParentChannel).ToList().OrderBy(c => c.LineageSummary)) :
Problem("Entity set '_db.Channels' is null.");
}
public async Task<IActionResult> Details(Guid id)
{
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if(_db.Channels == null)
return Problem("Entity set '_db.Channels' is null.");
//"but adam", says the strawman, "why load *every* channel and walk your way up? surely there's a .Load command that works or something."
//eh. I checked. Not really. You could make an SQL view that recurses its way up, meh idk how. You could just eagerly load *every* related object...
//but that would take in all the messages.
//realistically I expect this will have less than 1MB of total "channels", and several GB of total messages per (text) channel.
var AllChannels = await _db.Channels
.Include(u => u.SubChannels)
.Include(u => u.Users)
.Include(u => u.ParentChannel)
.ToListAsync();
var channel = AllChannels.First(u => u.Id == id);
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var walker = channel;
while(walker != null)
{
ViewData["breadcrumbs"] = $"<a href=\"{Url.ActionLink(action: "Details", controller: "Channels", values: new {id = walker.Id})}\">{walker.DisplayName}</a>/" +
ViewData["breadcrumbs"];
walker = walker.ParentChannel;
}
return View(
new Tuple<Channel, Enumerations.LewdnessFilterLevel, Enumerations.MeannessFilterLevel>(
channel, channel.EffectivePermissions.LewdnessFilterLevel, channel.EffectivePermissions.MeannessFilterLevel
));
}
[ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
public IActionResult Error()
{
return View(new ErrorPageViewModel { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier });
}
}