public async Task <IActionResult> PutTile(int id, TilePuttedDTO tile)
{
// TODO unauthorized
// validate indices
// validate tile.BoardId = id;
var tileFromRepo = await _boardService.GetTile(id, tile.X, tile.Y);
if (tileFromRepo != null)
{
return(BadRequest("Tile at these coordinates already exists."));
}
if (!await _boardService.ValidateTerrain(id, tile))
{
return(BadRequest("Cannot put here. Terrain not valid."));
}
Tile record = _mapper.Map <TilePuttedDTO, Tile>(tile);
if (await _putTileService.PutTile(record))
{
return(Ok()); // CreatedAt
}
// check components -> connect components
// TODO global exception handler
throw new Exception("Putting tile failed on save.");
}
public async Task <bool> ValidateTerrain(int boardId, TilePuttedDTO tile)
{
var x = tile.X;
var y = tile.Y;
var tileTop = await _context.Tiles.Include(t => t.TileType).Include(t => t.TileType.Terrains)
.Where(t => t.BoardId == boardId && t.X == x && t.Y == y - 1)
.FirstOrDefaultAsync();
var tileRight = await _context.Tiles.Include(t => t.TileType).Include(t => t.TileType.Terrains)
.Where(t => t.BoardId == boardId && t.X == x + 1 && t.Y == y)
.FirstOrDefaultAsync();
var tileBottom = await _context.Tiles.Include(t => t.TileType).Include(t => t.TileType.Terrains)
.Where(t => t.BoardId == boardId && t.X == x && t.Y == y + 1)
.FirstOrDefaultAsync();
var tileLeft = await _context.Tiles.Include(t => t.TileType).Include(t => t.TileType.Terrains)
.Where(t => t.BoardId == boardId && t.X == x - 1 && t.Y == y)
.FirstOrDefaultAsync();
var terrainOfTop = tileTop?.GetTerrainAt(TilePosition.Bottom) ?? TerrainType.Void;
var terrainOfRight = tileRight?.GetTerrainAt(TilePosition.Left) ?? TerrainType.Void;
var terrainOfBottom = tileBottom?.GetTerrainAt(TilePosition.Top) ?? TerrainType.Void;
var terrainOfLeft = tileLeft?.GetTerrainAt(TilePosition.Right) ?? TerrainType.Void;
if (terrainOfTop != tile.Top && terrainOfTop != TerrainType.Void)
{
return(false);
}
if (terrainOfRight != tile.Right && terrainOfRight != TerrainType.Void)
{
return(false);
}
if (terrainOfBottom != tile.Bottom && terrainOfBottom != TerrainType.Void)
{
return(false);
}
if (terrainOfLeft != tile.Left && terrainOfLeft != TerrainType.Void)
{
return(false);
}
return(true);
}