Libation/Source/LibationCli/Options/SearchOptions.cs
2023-07-03 07:04:29 -06:00

56 lines
1.5 KiB
C#

using ApplicationServices;
using CommandLine;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace LibationCli.Options;
[Verb("search", HelpText = "Search for books in your library")]
internal class SearchOptions : OptionsBase
{
[Value(0, MetaName = "query", Required = true, HelpText = "Lucene search string")]
public IEnumerable<string> Query { get; set; }
protected override Task ProcessAsync()
{
var query = string.Join(" ", Query).Trim('\"');
var results = SearchEngineCommands.Search(query).Docs.ToList();
Console.WriteLine($"Found {results.Count} matching results.");
const int numResults = 10;
string nextPrompt = "Press any key for the next " + numResults + " results or Esc for all results";
bool waitForNextBatch = true;
for (int i = 0; i < results.Count; i += numResults)
{
var sb = new StringBuilder();
for (int j = i; j < int.Min(results.Count, i + numResults); j++)
sb.AppendLine(getDocDisplay(results[j].Doc));
Console.Write(sb.ToString());
if (waitForNextBatch)
{
Console.Write(nextPrompt);
waitForNextBatch = Console.ReadKey(intercept: true).Key != ConsoleKey.Escape;
ReplaceConsoleText(Console.Out, nextPrompt.Length, "");
Console.CursorLeft = 0;
}
}
return Task.CompletedTask;
}
private static string getDocDisplay(Lucene.Net.Documents.Document doc)
{
var title = doc.GetField("title");
var id = doc.GetField("_ID_");
return $"[{id.StringValue}] - {title.StringValue}";
}
}