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really good progress, need to fix tile upload

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Michele Scandura 2020-11-17 00:01:21 +00:00
parent 573e9ea7bf
commit 9ef43bb9f6
25 changed files with 280 additions and 112 deletions
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107
Sledgemapper.Api/Commands/GetMapSnapshotCommand.cs Normal file
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using System.Transactions;
using System.Net.Mail;
using MediatR;
using Sledgemapper.Api.Data;
using Sledgemapper.Shared.Entities;
using System.Text.Json;
using System.Threading;
using System.Threading.Tasks;
using Sledgemapper.Api.Handlers;
using System.Linq;
using Sledgemapper.Api.Models;
namespace Sledgemapper.Api.Commands
{
public class GetMapSnapshotCommand : IRequest<Sledgemapper.Shared.Entities.Session>
{
public string SessionName { get; private set; }
public GetMapSnapshotCommand(string sessionName)
{
SessionName = sessionName;
}
}
public class GetMapSnapshotCommandHandler : IRequestHandler<GetMapSnapshotCommand, Sledgemapper.Shared.Entities.Session>
{
private readonly MyDbContext _dbcontext;
private readonly IMediator _mediator;
public GetMapSnapshotCommandHandler(IMediator mediator, MyDbContext dbcontext) { _dbcontext = dbcontext; _mediator = mediator; }
public async Task<Sledgemapper.Shared.Entities.Session> Handle(GetMapSnapshotCommand notification, CancellationToken cancellationToken)
{
Snapshot snapshot;
double timestamp;
Sledgemapper.Shared.Entities.Session mapSession;
var session = _dbcontext.Sessions.First(m => m.SessionName == notification.SessionName);
snapshot = _dbcontext.Snapshots.FirstOrDefault(m => m.SessionId == session.SessionId);
if (snapshot is null)
{
timestamp = 0;
mapSession = new Shared.Entities.Session();
}
else
{
mapSession = JsonSerializer.Deserialize<Sledgemapper.Shared.Entities.Session>(snapshot.Object);
timestamp = snapshot.Timestamp;
}
var mapUpdates = _dbcontext.MapLogs.Where(m => m.SessionId == session.SessionId && m.Timestamp > timestamp).OrderBy(m => m.Timestamp).ToList();
foreach (var mapUpdate in mapUpdates)
{
if (mapUpdate.Operation == "N")
{
switch (mapUpdate.Type)
{
case "T":
var tile = JsonSerializer.Deserialize<Tile>(mapUpdate.Object);
mapSession.NewTile(tile, tile.ID);
break;
case "W":
var wall = JsonSerializer.Deserialize<Wall>(mapUpdate.Object);
mapSession.NewWall(wall, wall.ID);
break;
case "O":
var overlay = JsonSerializer.Deserialize<Overlay>(mapUpdate.Object);
mapSession.NewOverlay(overlay, overlay.ID);
break;
}
}
else if (mapUpdate.Operation == "D")
{
switch (mapUpdate.Type)
{
case "T":
var tile = JsonSerializer.Deserialize<Tile>(mapUpdate.Object);
mapSession.DeleteTile(tile);
break;
case "W":
var wall = JsonSerializer.Deserialize<Wall>(mapUpdate.Object);
mapSession.DeleteWall(wall);
break;
case "O":
var overlay = JsonSerializer.Deserialize<Overlay>(mapUpdate.Object);
mapSession.DeleteOverlay(overlay);
break;
}
}
}
var newSnapshot = new Snapshot{
SessionId=session.SessionId,
Timestamp=mapUpdates.Max(mapSession=>mapSession.Timestamp),
Object = JsonSerializer.Serialize<Sledgemapper.Shared.Entities.Session>(mapSession)
};
await _dbcontext.Snapshots.AddAsync(newSnapshot);
await _dbcontext.SaveChangesAsync();
return mapSession;
}
}
}