110 lines
4.0 KiB
C#
110 lines
4.0 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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namespace SharpChat.Database {
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public class DatabaseWrapper {
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private IDatabaseBackend Backend { get; }
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public bool IsNullBackend
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=> Backend is Null.NullDatabaseBackend;
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public DatabaseWrapper(IDatabaseBackend backend) {
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Backend = backend ?? throw new ArgumentNullException(nameof(backend));
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}
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public IDatabaseParameter CreateParam(string name, object value)
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=> Backend.CreateParameter(name, value);
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public string TimestampType
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=> Backend.TimestampType;
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public string TextType
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=> Backend.TextType;
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public string BlobType
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=> Backend.BlobType;
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public string VarCharType(int size)
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=> Backend.VarCharType(size);
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public string VarBinaryType(int size)
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=> Backend.VarBinaryType(size);
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public string BigIntType(int length)
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=> Backend.BigIntType(length);
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public string BigUIntType(int length)
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=> Backend.BigUIntType(length);
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public string IntType(int length)
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=> Backend.IntType(length);
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public string UIntType(int length)
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=> Backend.UIntType(length);
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public string TinyIntType(int length)
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=> Backend.TinyIntType(length);
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public string TinyUIntType(int length)
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=> Backend.TinyUIntType(length);
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public string ToUnixTime(string param)
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=> Backend.ToUnixTime(param);
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public string FromUnixTime(string param)
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=> Backend.FromUnixTime(param);
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public string DateTimeNow()
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=> Backend.DateTimeNow();
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public string Concat(params string[] args)
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=> Backend.Concat(args);
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public string ToLower(string param)
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=> Backend.ToLower(param);
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public bool SupportsJson
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=> Backend.SupportsJson;
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public string JsonValue(string field, string path)
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=> Backend.JsonValue(field, path);
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public bool SupportsAlterTableCollate
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=> Backend.SupportsAlterTableCollate;
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public string AsciiCollation
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=> Backend.AsciiCollation;
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public string UnicodeCollation
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=> Backend.UnicodeCollation;
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public void RunCommand(object query, int timeout, Action<IDatabaseCommand> action, params IDatabaseParameter[] @params) {
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#if LOG_SQL
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Logger.Debug(query);
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#endif
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using IDatabaseConnection conn = Backend.CreateConnection();
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using IDatabaseCommand comm = conn.CreateCommand(query);
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comm.CommandTimeout = timeout;
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if(@params.Any()) {
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comm.AddParameters(@params);
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comm.Prepare();
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}
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action.Invoke(comm);
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}
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public void RunCommand(object query, Action<IDatabaseCommand> action, params IDatabaseParameter[] @params)
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=> RunCommand(query, 30, action, @params);
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public int RunCommand(object query, params IDatabaseParameter[] @params) {
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int affected = 0;
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RunCommand(query, comm => affected = comm.Execute(), @params);
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return affected;
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}
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public int RunCommand(object query, int timeout, params IDatabaseParameter[] @params) {
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int affected = 0;
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RunCommand(query, timeout, comm => affected = comm.Execute(), @params);
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return affected;
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}
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public object RunQueryValue(object query, params IDatabaseParameter[] @params) {
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object value = null;
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RunCommand(query, comm => value = comm.ExecuteScalar(), @params);
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return value;
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}
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public void RunQuery(object query, Action<IDatabaseReader> action, params IDatabaseParameter[] @params) {
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RunCommand(query, comm => {
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using IDatabaseReader reader = comm.ExecuteReader();
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action.Invoke(reader);
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}, @params);
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}
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}
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}
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