vassago/WebInterface/Controllers/HomeController.cs

194 lines
6.4 KiB
C#

using System.Diagnostics;
using System.Text;
using System.Web;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.FileSystemGlobbing.Internal.PathSegments;
using vassago.Models;
namespace vassago.Controllers;
public class HomeController : Controller
{
private readonly ILogger<HomeController> _logger;
private readonly ChattingContext _db;
public HomeController(ILogger<HomeController> logger, ChattingContext db)
{
_logger = logger;
_db = db;
}
public IActionResult Index()
{
var allAccounts = _db.Accounts.ToList();
var allChannels = _db.Channels.Include(c => c.Users).ToList();
var sb = new StringBuilder();
sb.Append("[");
sb.Append("{text: \"channels\", nodes: [");
var first = true;
var topLevelChannels = _db.Channels.Where(x => x.ParentChannel == null);
foreach (var topLevelChannel in topLevelChannels)
{
if (first)
{
first = false;
}
else
{
sb.Append(',');
}
serializeChannel(ref sb, ref allChannels, ref allAccounts, topLevelChannel);
}
sb.Append("]}");
if (allChannels.Any())
{
sb.Append(",{text: \"orphaned channels\", nodes: [");
first = true;
while (true)
{
if (first)
{
first = false;
}
else
{
sb.Append(',');
}
serializeChannel(ref sb, ref allChannels, ref allAccounts, allChannels.First());
if (!allChannels.Any())
{
break;
}
}
sb.Append("]}");
}
if (allAccounts.Any())
{
sb.Append(",{text: \"channelless accounts\", nodes: [");
first = true;
foreach (var acc in allAccounts)
{
if (first)
{
first = false;
}
else
{
sb.Append(',');
}
serializeAccount(ref sb, acc);
}
sb.Append("]}");
}
var users = _db.Users.ToList();
if(users.Any())
{
sb.Append(",{text: \"users\", nodes: [");
first=true;
//refresh list; we'll be knocking them out again in serializeUser
allAccounts = _db.Accounts.ToList();
foreach(var user in users)
{
if (first)
{
first = false;
}
else
{
sb.Append(',');
}
serializeUser(ref sb, ref allAccounts, user);
}
sb.Append("]}");
}
sb.Append("]");
ViewData.Add("treeString", sb.ToString());
return View("Index");
}
private void serializeChannel(ref StringBuilder sb, ref List<Channel> allChannels, ref List<Account> allAccounts, Channel currentChannel)
{
allChannels.Remove(currentChannel);
//"but adam", you say, "there's an href attribute, why make a link?" because that makes the entire bar a link, and trying to expand the node will probably click the link
sb.Append($"{{\"text\": \"<a href=\\\"{Url.ActionLink(action: "Details", controller: "Channels", values: new {id = currentChannel.Id})}\\\">{currentChannel.DisplayName}</a>\"");
var theseAccounts = allAccounts.Where(a => a.SeenInChannel?.Id == currentChannel.Id).ToList();
allAccounts.RemoveAll(a => a.SeenInChannel?.Id == currentChannel.Id);
var first = true;
if (currentChannel.SubChannels != null || theseAccounts != null)
{
sb.Append(", \"nodes\": [");
}
if (currentChannel.SubChannels != null)
{
foreach (var subChannel in currentChannel.SubChannels ?? new List<Channel>())
{
if (first)
{
first = false;
}
else
{
sb.Append(',');
}
serializeChannel(ref sb, ref allChannels, ref allAccounts, subChannel);
}
if (theseAccounts != null)
{
sb.Append(',');
}
}
if (theseAccounts != null)
{
first = true;
sb.Append($"{{\"text\": \"(accounts: {theseAccounts.Count()})\", \"expanded\":true, nodes:[");
foreach (var account in theseAccounts)
{
if (first)
{
first = false;
}
else
{
sb.Append(',');
}
serializeAccount(ref sb, account);
}
sb.Append("]}");
}
sb.Append("]}");
}
private void serializeAccount(ref StringBuilder sb, Account currentAccount)
{
sb.Append($"{{\"text\": \"{currentAccount.DisplayName}\"}}");
}
private void serializeUser(ref StringBuilder sb, ref List<Account> allAccounts, User currentUser)
{
sb.Append($"{{\"text\": " +
$"\"<a href=\\\"{Url.ActionLink(action: "Details", controller: "Users", values: new {id = currentUser.Id})}\\\">"
+ currentUser.DisplayName +
"</a>\", ");
// \"{currentUser.DisplayName}\", ");
var ownedAccounts = allAccounts.Where(a => a.IsUser == currentUser);
sb.Append("nodes: [");
sb.Append($"{{\"text\": \"owned accounts:\", \"expanded\":true, \"nodes\": [");
if (ownedAccounts != null)
{
foreach (var acc in ownedAccounts)
{
serializeAccount(ref sb, acc);
sb.Append(',');
}
}
sb.Append("]}]}");
}
[ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
public IActionResult Error()
{
return View(new ErrorPageViewModel { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier });
}
}