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