/// <summary>
/// Renders the tree using ELK.js.
/// </summary>
private async Task <string> RenderTree(INodeServices js, TreeLayoutVM tree)
{
var json = JsonConvert.SerializeObject(tree);
var result = await js.InvokeAsync <string>("./External/tree/tree-layout.js", json);
if (string.IsNullOrEmpty(result))
{
throw new Exception("Failed to render tree: output is empty.");
}
return(result);
}
/// <summary>
/// Updates the layout.
/// </summary>
private async Task SaveLayoutAsync(AppDbContext db, TreeLayoutVM tree, TreeLayout layout)
{
using var conn = db.GetConnection();
await conn.ExecuteAsync(
@"INSERT INTO ""TreeLayouts"" (""Id"", ""LayoutJson"", ""GenerationDate"") VALUES (@Id, @LayoutJson, @GenerationDate)",
layout
);
// sic! dapper generates incorrect query for "GUID IN (@GUIDS)" with parameters
foreach (var batch in tree.Persons.Select(x => x.Id).PartitionBySize(100))
{
var ids = batch.Select(x => $"'{x}'").JoinString(", ");
await conn.ExecuteAsync($@"UPDATE ""Pages"" SET ""TreeLayoutId"" = '{layout.Id}' WHERE ""Id"" IN ({ids})");
}
}
/// <summary>
/// Renders the tree using ELK.js.
/// </summary>
private async Task <string> RenderTree(INodeServices js, TreeLayoutVM tree)
{
var thoroughness = Interpolator.MapValue(
_config.GetDynamicConfig().TreeRenderThoroughness,
new IntervalMap(1, 10, 1, 10),
new IntervalMap(11, 50, 11, 600),
new IntervalMap(51, 100, 301, 15000)
);
var json = JsonConvert.SerializeObject(tree);
var result = await js.InvokeAsync <string>("./External/tree/tree-layout.js", json, thoroughness);
if (string.IsNullOrEmpty(result))
{
throw new Exception("Failed to render tree: output is empty.");
}
return(result);
}
