70 lines
2.0 KiB
C#
70 lines
2.0 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.Linq;
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using System.Net.Quic;
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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 DefectsProvider : IDefectsProvider
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{
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NpgsqlDataSource _dataSource;
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public DefectsProvider(NpgsqlDataSource dataSource)
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{
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_dataSource = dataSource;
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}
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public async Task<bool> AddDefect(string defect)
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{
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await using var connection = await _dataSource.OpenConnectionAsync();
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var sql = @"INSERT INTO defects (defect) VALUES (@Defect)";
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var rowsAffected = await connection.ExecuteAsync(sql, new {Defect=defect});
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return rowsAffected == 1;
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}
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public async Task<bool> RemoveDefect(string defect)
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{
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await using var connection = await _dataSource.OpenConnectionAsync();
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var sql = @"DELETE FROM defects WHERE defect = @Defect";
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var rowsAffected = await connection.ExecuteAsync(sql, new {Defect=defect});
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return rowsAffected == 1;
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}
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public async Task<bool> ContainsDefect(string defect)
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{
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await using var connection = await _dataSource.OpenConnectionAsync();
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var sql = @"SELECT EXISTS(SELECT 1 FROM defects WHERE defect = @Defect)";
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return await connection.QueryFirstOrDefaultAsync<bool>(sql, new { Defect = defect });
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}
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public async Task<IEnumerable<string>> SearchDefects(string query)
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{
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await using var connection = await _dataSource.OpenConnectionAsync();
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var sql = @"SELECT defect FROM defects WHERE POSITION(LOWER(@Query) in LOWER(defect)) > 0";
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return await connection.QueryAsync<string>(sql, new { Query=query });
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}
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public async Task<IEnumerable<string>> TopDefects(int resultCount)
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{
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await using var connection = await _dataSource.OpenConnectionAsync();
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var sql = $@"SELECT defect FROM defects ORDER BY defect ASC LIMIT {resultCount}";
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return await connection.QueryAsync<string>(sql);
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}
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}
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