423 lines
14 KiB
C#
423 lines
14 KiB
C#
using Aitex.Common.Util;
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using Aitex.Core.RT.Log;
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using Aitex.Core.Util;
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using System;
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using System.Collections.Generic;
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using System.Data.Common;
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using System.Data;
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using System.IO;
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using System.Linq;
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using System.Reflection;
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using System.Text;
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using System.Threading.Tasks;
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namespace Aitex.Core.RT.DBCore
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{
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public class DataBaseManager : IDataBaseManager
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{
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private string _dbName = "sicdb";
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private IDataBase _dataBase;
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private string _sqlFile = PathManager.GetCfgDir() + "DBModel.sql";
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private PeriodicJob _monitorJob;
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private DataBaseCleaner _databaseCleaner = new DataBaseCleaner();
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private FixSizeQueue<string> _sqlQueue = new FixSizeQueue<string>(1000);
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public void Initialize()
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{
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DB.Manager = this;
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_dataBase = new PostgreSQLHelper(_dbName);
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CreateDataBase();
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ExecuteScript(_sqlFile);
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UpdateTable();
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_monitorJob = new PeriodicJob(100, Monitor, "DBJob", true);
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_databaseCleaner.Initialize();
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}
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/// <summary>
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/// 创建数据库
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/// </summary>
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public void CreateDataBase()
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{
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try
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{
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object obj = _dataBase.ExecuteScalar($"select datname from pg_catalog.pg_database where datname='{_dbName}'");
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if (obj == null)
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{
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string cmdText = $"CREATE DATABASE {_dbName} WITH OWNER = postgres ENCODING = 'UTF8' TABLESPACE = pg_default CONNECTION LIMIT = -1";
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_dataBase.ExecuteNonQuery(cmdText, false);
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}
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}
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catch (Exception ex)
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{
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LOG.Error(ex.Message, ex);
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}
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}
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/// <summary>
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/// 执行SQL脚本
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/// </summary>
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/// <param name="sqlFile"></param>
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private void ExecuteScript(string sqlFile)
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{
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if (string.IsNullOrEmpty(sqlFile) || !File.Exists(sqlFile))
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{
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LOG.Warning("没有更新Sql数据库，文件：" + sqlFile);
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return;
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}
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try
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{
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using StreamReader streamReader = new StreamReader(sqlFile);
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string cmdText = streamReader.ReadToEnd();
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_dataBase.ExecuteNonQuery(cmdText);
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LOG.Info("Database updated by sql file " + sqlFile);
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}
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catch (Exception ex)
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{
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LOG.Error(ex.Message, ex);
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}
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}
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/// <summary>
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/// 创建Table
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/// </summary>
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/// <param name="tableName"></param>
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/// <param name="columns"></param>
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/// <param name="addPID"></param>
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/// <param name="primaryKey"></param>
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public void CreateTable(string tableName, Dictionary<string, Type> columns, bool addPID, string primaryKey)
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{
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DbDataReader dataReader = _dataBase.ExecuteReader($"select column_name from information_schema.columns where table_name = '{tableName}'");
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if (!dataReader.HasRows)
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{
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string sql = addPID ? " \"PID\" serial NOT NULL," : "";
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//列名
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foreach (KeyValuePair<string, Type> column in columns)
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{
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if (column.Value == typeof(int) || column.Value == typeof(ushort) || column.Value == typeof(short))
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{
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sql += $"\"{column.Key}\" integer,";
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}
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else if (column.Value == typeof(double) || column.Value == typeof(float))
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{
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sql += $"\"{column.Key}\" real,";
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}
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else if (column.Value == typeof(string))
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{
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sql += $"\"{column.Key}\" text,";
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}
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else if (column.Value == typeof(DateTime))
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{
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sql += $"\"{column.Key}\" timestamp without time zone,";
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}
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else if (column.Value == typeof(bool))
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{
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sql += $"\"{column.Key}\" boolean,";
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}
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else if (column.Value == typeof(byte[]))
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{
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sql += $"\"{column.Key}\" bytea,";
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}
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}
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//主键
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if (string.IsNullOrEmpty(primaryKey))
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{
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if (sql.LastIndexOf(',') == sql.Length - 1)
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{
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sql = sql.Remove(sql.Length - 1);
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}
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}
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else
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{
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sql += $"CONSTRAINT \"{tableName}_pkey\" PRIMARY KEY (\"{primaryKey}\" )";
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}
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_dataBase.ExecuteNonQuery($"CREATE TABLE \"{tableName}\"({sql})WITH ( OIDS=FALSE );");
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}
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}
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private void UpdateTable()
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{
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//AddTableColumn("carrier_data", new Dictionary<string, Type>
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//{
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// {"rootname",typeof(string) },
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// {"recipename",typeof(string)},
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// {"filedetail",typeof(byte[]) }
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//});
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//AlterTableColumn("carrier_data", new Dictionary<string, string>
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//{
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// {"rootname","rootname1" },
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// {"recipename","recipename1"},
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// {"filedetail","filedetail1" }
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//});
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//DeleteTableColumn("carrier_data", new List<string>
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//{
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// "rootname1",
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// "recipename1",
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// "filedetail1"
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//});
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}
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/// <summary>
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/// 新增Table列名
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/// </summary>
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/// <param name="tableName"></param>
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/// <param name="columns"></param>
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public void AddTableColumn(string tableName, Dictionary<string, Type> columns)
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{
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string sql = $"select column_name from information_schema.columns where table_name = '{tableName}';";
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DbDataReader npgsqlDataReader = _dataBase.ExecuteReader(sql);
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string cmdText = string.Empty;
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List<string> list = new List<string>();
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while (npgsqlDataReader.Read())
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{
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for (int i = 0; i < npgsqlDataReader.FieldCount; i++)
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{
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list.Add(npgsqlDataReader[i].ToString());
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}
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}
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if (list.Count > 0)
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{
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foreach (KeyValuePair<string, Type> column in columns)
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{
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if (!list.Contains(column.Key))
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{
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cmdText = ((!(column.Value == typeof(bool))) ? ((!(column.Value == typeof(double)) && !(column.Value == typeof(float))) ? ((!(column.Value == typeof(DateTime))) ? ((!(column.Value == typeof(int)) && !(column.Value == typeof(ushort)) && !(column.Value == typeof(short))) ? (cmdText + string.Format("ALTER TABLE \"{0}\" ADD COLUMN \"{1}\" {2};", tableName, column.Key, "text")) : (cmdText + string.Format("ALTER TABLE \"{0}\" ADD COLUMN \"{1}\" {2};", tableName, column.Key, "integer"))) : (cmdText + string.Format("ALTER TABLE \"{0}\" ADD COLUMN \"{1}\" {2};", tableName, column.Key, "timestamp without time zone"))) : (cmdText + string.Format("ALTER TABLE \"{0}\" ADD COLUMN \"{1}\" {2};", tableName, column.Key, "real"))) : (cmdText + string.Format("ALTER TABLE \"{0}\" ADD COLUMN \"{1}\" {2};", tableName, column.Key, "Boolean")));
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}
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}
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if (!string.IsNullOrEmpty(cmdText))
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{
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_dataBase.ExecuteNonQuery(cmdText);
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}
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}
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}
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/// <summary>
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/// 更新Table列名
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/// </summary>
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/// <param name="tableName"></param>
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/// <param name="columns"></param>
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public void AlterTableColumn(string tableName, Dictionary<string, string> columns)
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{
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string sql = $"select column_name from information_schema.columns where table_name = '{tableName}';";
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DbDataReader npgsqlDataReader = _dataBase.ExecuteReader(sql);
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string cmdText = string.Empty;
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List<string> list = new List<string>();
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while (npgsqlDataReader.Read())
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{
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for (int i = 0; i < npgsqlDataReader.FieldCount; i++)
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{
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list.Add(npgsqlDataReader[i].ToString());
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}
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}
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if (list.Count > 0)
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{
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foreach (KeyValuePair<string, string> column in columns)
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{
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if (list.Contains(column.Key))
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{
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cmdText += $"ALTER TABLE \"{tableName}\" RENAME COLUMN \"{column.Key}\" TO {column.Value};";
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}
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}
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if (!string.IsNullOrEmpty(cmdText))
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{
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_dataBase.ExecuteNonQuery(cmdText);
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}
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}
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}
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public void DeleteTableColumn(string tableName, List<string> columns)
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{
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string sql = $"select column_name from information_schema.columns where table_name = '{tableName}';";
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DbDataReader npgsqlDataReader = _dataBase.ExecuteReader(sql);
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string cmdText = string.Empty;
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List<string> list = new List<string>();
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while (npgsqlDataReader.Read())
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{
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for (int i = 0; i < npgsqlDataReader.FieldCount; i++)
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{
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list.Add(npgsqlDataReader[i].ToString());
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}
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}
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if (list.Count > 0)
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{
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foreach (string column in columns)
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{
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if (list.Contains(column))
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{
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cmdText += $"ALTER TABLE \"{tableName}\" DROP COLUMN \"{column}\";";
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}
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}
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if (!string.IsNullOrEmpty(cmdText))
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{
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_dataBase.ExecuteNonQuery(cmdText);
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}
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}
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}
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public void InsertSql(string sql)
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{
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_sqlQueue.Enqueue(sql);
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}
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public DbDataReader ExecuteReader(string sql)
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{
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return _dataBase.ExecuteReader(sql);
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}
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public int ExecuteNonQuery(string sql, bool isChangeDB = true)
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{
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return _dataBase.ExecuteNonQuery(sql, isChangeDB);
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}
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public object ExecuteScalar(string sql)
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{
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return _dataBase.ExecuteScalar(sql);
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}
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public DataSet ExecuteDataSet(string sql)
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{
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return _dataBase.ExecuteDataSet(sql);
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}
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public DataTable ExecuteDataTable(string sql)
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{
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return _dataBase.ExecuteDataTable(sql);
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}
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public bool ExcuteTransAction(List<string> sqlList)
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{
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return _dataBase.ExcuteTransAction(sqlList);
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}
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private bool Monitor()
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{
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try
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{
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if (_sqlQueue.Count == 0)
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{
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return false;
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}
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if (_sqlQueue.TryDequeue(out string sql))
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{
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_dataBase.ExecuteNonQuery(sql);
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}
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return true;
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}
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catch (Exception ex)
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{
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LOG.Error(ex.Message, ex);
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return false;
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}
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}
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public void Terminate()
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{
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_monitorJob?.Stop();
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_monitorJob = null;
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_databaseCleaner?.Terminate();
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}
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/// <summary>
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/// DataTable转成List
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="dt"></param>
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/// <returns></returns>
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public IList<T> DataTableToList<T>(DataTable dt) where T : new()
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{
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IList<T> list = new List<T>();
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Type type = typeof(T);
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foreach (DataRow dr in dt.Rows)
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{
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T t = new T();
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PropertyInfo[] properties = t.GetType().GetProperties();
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foreach (PropertyInfo pi in properties)
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{
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if (dt.Columns.Contains(pi.Name))
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{
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if (!pi.CanWrite)
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{
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continue;
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}
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object value = dr[pi.Name];
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if (value != DBNull.Value)
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{
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pi.SetValue(t, value, null);
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}
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}
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}
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list.Add(t);
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}
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return list;
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}
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/// <summary>
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/// DataTable转成T
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="dt"></param>
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/// <returns></returns>
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public T DataTableToObject<T>(DataTable dt) where T : new()
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{
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T t = new T();
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if (dt.Rows == null || dt.Rows.Count == 0)
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{
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return t;
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}
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DataRow dr = dt.Rows[0];
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PropertyInfo[] properties = t.GetType().GetProperties();
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foreach (PropertyInfo pi in properties)
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{
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if (dt.Columns.Contains(pi.Name))
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{
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if (!pi.CanWrite)
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{
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continue;
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}
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object value = dr[pi.Name];
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if (value != DBNull.Value)
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{
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pi.SetValue(t, value, null);
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}
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}
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}
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return t;
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}
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}
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}
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