Files
openarchival/OpenArchival.Database/FilePathProvider/FilePathProvider.cs

62 lines
1.9 KiB
C#

using Dapper;
using Npgsql;
using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace OpenArchival.Database;
public class FilePathProvider : IFilePathProvider
{
NpgsqlDataSource _dataSource;
public FilePathProvider(NpgsqlDataSource dataSource)
{
_dataSource = dataSource;
}
public async Task<bool> AddFileInfo(string path, string originalName)
{
await using var connection = await _dataSource.OpenConnectionAsync();
var sql = @"INSERT INTO archivefiles (originalname, path) VALUES (@OriginalName, @Path)";
var rowsAffected = await connection.ExecuteAsync(sql, new { OriginalName=originalName, Path = path});
return rowsAffected == 1;
}
public async Task<bool> RemoveFileInfo(string path, string originalName)
{
await using var connection = await _dataSource.OpenConnectionAsync();
var sql = @"DELETE FROM archivefiles WHERE path = @Path AND originalname = @OriginalName";
var rowsAffected = await connection.ExecuteAsync(sql, new { Path = path, OriginalName = originalName});
return rowsAffected == 1;
}
public async Task<IEnumerable<FilePathInfo>> SearchFiles(string filename)
{
await using var connection = await _dataSource.OpenConnectionAsync();
var sql = @"SELECT * FROM archivefiles WHERE POSITION(LOWER(@Query) in LOWER(filename)) > 0";
return await connection.QueryAsync<FilePathInfo>(sql, new { Query = filename });
}
public async Task<IEnumerable<FilePathInfo>> TopFiles(int resultsCount)
{
await using var connection = await _dataSource.OpenConnectionAsync();
var sql = $@"SELECT * FROM archivefiles ORDER BY filename ASC LIMIT {resultsCount}";
return await connection.QueryAsync<FilePathInfo>(sql);
}
}