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SqlHelper.cs
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SqlHelper.cs
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#region Related components
using System;
using System.Linq;
using System.Xml;
using System.Data;
using System.Data.Common;
using System.Transactions;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using System.Configuration;
using System.Reflection;
using System.Diagnostics;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using Microsoft.Extensions.Logging;
using net.vieapps.Components.Caching;
using net.vieapps.Components.Utility;
#endregion
namespace net.vieapps.Components.Repository
{
/// <summary>
/// Collection of methods for working with SQL database (support Microsoft SQL Server, Oracle RDBMS, MySQL, and PostgreSQL)
/// </summary>
public static class SqlHelper
{
#region Provider Factory
/// <summary>
/// Gets the database provider factory for working with SQL database
/// </summary>
/// <param name="dataSource">The object that presents related information of a data source in SQL database</param>
/// <returns></returns>
public static DbProviderFactory GetProviderFactory(this DataSource dataSource)
{
var providerName = dataSource?.ProviderName;
if (string.IsNullOrWhiteSpace(providerName))
{
var connectionStringSettings = dataSource != null && dataSource.Mode.Equals(RepositoryMode.SQL)
? RepositoryMediator.GetConnectionStringSettings(dataSource)
: null;
providerName = connectionStringSettings?.ProviderName ?? "System.Data.SqlClient";
}
return DbProvider.GetFactory(providerName);
}
static bool IsSQLServer(this DbProviderFactory dbProviderFactory)
=> (dbProviderFactory?.GetTypeName(true) ?? "").Equals("SqlClientFactory");
static bool IsOracleRDBMS(this DbProviderFactory dbProviderFactory)
=> (dbProviderFactory?.GetTypeName(true) ?? "").Equals("OracleClientFactory");
static bool IsMySQL(this DbProviderFactory dbProviderFactory)
=> (dbProviderFactory?.GetTypeName(true) ?? "").Equals("MySqlConnectorFactory");
static bool IsPostgreSQL(this DbProviderFactory dbProviderFactory)
=> (dbProviderFactory?.GetTypeName(true) ?? "").Equals("NpgsqlFactory");
static bool IsGotRowNumber(this DbProviderFactory dbProviderFactory)
=> dbProviderFactory != null && (dbProviderFactory.IsSQLServer() || dbProviderFactory.IsOracleRDBMS());
static bool IsGotLimitOffset(this DbProviderFactory dbProviderFactory)
=> dbProviderFactory != null && (dbProviderFactory.IsMySQL() || dbProviderFactory.IsPostgreSQL());
static string GetOffsetStatement(this DbProviderFactory dbProviderFactory, int pageSize, int pageNumber = 1)
=> dbProviderFactory != null && dbProviderFactory.IsGotLimitOffset()
? $" LIMIT {pageSize} OFFSET {(pageNumber - 1) * pageSize}"
: "";
static string GetName(this DbProviderFactory dbProviderFactory)
=> dbProviderFactory == null
? "Unknown"
: dbProviderFactory.IsSQLServer()
? "SQLServer"
: dbProviderFactory.IsMySQL()
? "MySQL"
: dbProviderFactory.IsPostgreSQL()
? "PostgreSQL"
: dbProviderFactory.IsOracleRDBMS()
? "OralceRDBMS"
: $"Unknown [{dbProviderFactory.GetType()}]";
#endregion
#region Connection
/// <summary>
/// Creates the connection for working with SQL database
/// </summary>
/// <param name="dbProviderFactory">The object that presents information of a database provider factory</param>
/// <param name="dataSource">The object that presents related information of a data source in SQL database</param>
/// <param name="openWhenItsCreated">true to open the connection when its created</param>
/// <returns></returns>
public static DbConnection CreateConnection(this DbProviderFactory dbProviderFactory, DataSource dataSource, bool openWhenItsCreated = true)
{
var connection = dbProviderFactory.CreateConnection();
connection.ConnectionString = dataSource != null && dataSource.Mode.Equals(RepositoryMode.SQL)
? dataSource.GetConnectionString()?.Replace(StringComparison.OrdinalIgnoreCase, "{database}", dataSource.DatabaseName).Replace(StringComparison.OrdinalIgnoreCase, "{DatabaseName}", dataSource.DatabaseName)
: null;
if (openWhenItsCreated)
{
if (string.IsNullOrWhiteSpace(connection.ConnectionString))
throw new ArgumentException("The connection string is invalid");
connection.Open();
}
return connection;
}
/// <summary>
/// Creates the connection for working with SQL database
/// </summary>
/// <param name="dbProviderFactory">The object that presents information of a database provider factory</param>
/// <param name="dataSource">The object that presents related information of a data source in SQL database</param>
/// <param name="cancellationToken">The cancellation token</param>
/// <param name="openWhenItsCreated">true to open the connection when its created</param>
/// <returns></returns>
public static async Task<DbConnection> CreateConnectionAsync(this DbProviderFactory dbProviderFactory, DataSource dataSource, CancellationToken cancellationToken = default, bool openWhenItsCreated = true)
{
var connection = dbProviderFactory.CreateConnection(dataSource, false);
if (openWhenItsCreated)
{
if (string.IsNullOrWhiteSpace(connection.ConnectionString))
throw new ArgumentException("The connection string is invalid");
await connection.OpenAsync(cancellationToken).ConfigureAwait(false);
}
return connection;
}
/// <summary>
/// Gets the connection of SQL database of a specified data-source
/// </summary>
/// <param name="dataSource">The object that presents related information of a data source of SQL database</param>
/// <returns></returns>
public static DbConnection GetConnection(this DataSource dataSource)
=> dataSource?.GetProviderFactory().CreateConnection(dataSource, false);
/// <summary>
/// Creates new transaction for working with SQL database
/// </summary>
/// <returns></returns>
public static TransactionScope CreateTransaction()
=> new TransactionScope(TransactionScopeOption.Required, TransactionScopeAsyncFlowOption.Enabled);
#endregion
#region Command
internal static DbCommand CreateCommand(this DbConnection connection, string commandText, List<DbParameter> commandParameters = null)
{
var command = connection.CreateCommand();
command.CommandText = commandText;
commandParameters?.ForEach(parameter => command.Parameters.Add(parameter));
return command;
}
internal static DbCommand CreateCommand(this DbConnection connection, Tuple<string, List<DbParameter>> info)
=> info != null && !string.IsNullOrWhiteSpace(info.Item1)
? connection.CreateCommand(info.Item1, info.Item2)
: null;
internal static string GetInfo(this DbCommand command, bool addInfo = true)
{
var parameters = new List<DbParameter>();
if (command.Parameters != null)
foreach (DbParameter parameter in command.Parameters)
parameters.Add(parameter);
var statement = command.CommandText ?? "";
parameters.ForEach(parameter =>
{
var pattern = "{0}";
var value = parameter.Value?.ToString() ?? "NULL";
if (parameter.DbType.Equals(DbType.String) || parameter.DbType.Equals(DbType.StringFixedLength)
|| parameter.DbType.Equals(DbType.AnsiString) || parameter.DbType.Equals(DbType.AnsiStringFixedLength) || parameter.DbType.Equals(DbType.DateTime))
{
pattern = "'{0}'";
value = value.Replace(StringComparison.OrdinalIgnoreCase, "'", "''");
}
statement = statement.Replace(StringComparison.OrdinalIgnoreCase, parameter.ParameterName, string.Format(pattern, value));
});
return (addInfo ? $"SQL Info: {command.Connection.Database} [{command.Connection.GetType()}]" + "\r\n" : "")
+ "- Command Text: " + (command.CommandText ?? "") + "\r\n"
+ (parameters.Count < 1 ? "" : "- Command Parameters: \r\n\t+ " + parameters.Select(parameter => $"{parameter.ParameterName} ({parameter.DbType}) => [{parameter.Value ?? "(null)"}]").ToString("\r\n\t+ ") + "\r\n")
+ "- Command Statement: " + statement;
}
#endregion
#region DbTypes
internal static Dictionary<Type, DbType> DbTypes { get; } = new Dictionary<Type, DbType>
{
{ typeof(string), DbType.String },
{ typeof(char), DbType.StringFixedLength },
{ typeof(char?), DbType.StringFixedLength },
{ typeof(byte), DbType.Byte },
{ typeof(byte?), DbType.Byte },
{ typeof(sbyte), DbType.SByte },
{ typeof(sbyte?), DbType.SByte },
{ typeof(short), DbType.Int16 },
{ typeof(short?), DbType.Int16 },
{ typeof(ushort), DbType.UInt16 },
{ typeof(ushort?), DbType.UInt16 },
{ typeof(int), DbType.Int32 },
{ typeof(int?), DbType.Int32 },
{ typeof(uint), DbType.UInt32 },
{ typeof(uint?), DbType.UInt32 },
{ typeof(long), DbType.Int64 },
{ typeof(long?), DbType.Int64 },
{ typeof(ulong), DbType.UInt64 },
{ typeof(ulong?), DbType.UInt64 },
{ typeof(float), DbType.Single },
{ typeof(float?), DbType.Single },
{ typeof(double), DbType.Double },
{ typeof(double?), DbType.Double },
{ typeof(decimal), DbType.Decimal },
{ typeof(decimal?), DbType.Decimal },
{ typeof(bool), DbType.Boolean },
{ typeof(bool?), DbType.Boolean },
{ typeof(byte[]), DbType.Binary },
{ typeof(Guid), DbType.Guid },
{ typeof(Guid?), DbType.Guid },
{ typeof(DateTime), DbType.DateTime },
{ typeof(DateTime?), DbType.DateTime },
{ typeof(DateTimeOffset), DbType.DateTimeOffset },
{ typeof(DateTimeOffset?), DbType.DateTimeOffset }
};
/// <summary>
/// Gets the database type
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
public static DbType GetDbType(this Type type)
=> SqlHelper.DbTypes[type.IsGenericType && type.GetGenericTypeDefinition().Equals(typeof(Nullable<>)) ? Nullable.GetUnderlyingType(type) : type];
/// <summary>
/// Gets the database type
/// </summary>
/// <param name="attribute"></param>
/// <returns></returns>
public static DbType GetDbType(this AttributeInfo attribute)
=> (attribute.Type.IsStringType() && (attribute.MaxLength.Equals(32) || attribute.Name.EndsWith("ID"))) || attribute.IsStoredAsString()
? DbType.AnsiStringFixedLength
: attribute.IsStoredAsJson()
? DbType.String
: attribute.Type.IsEnum
? attribute.IsStringEnum()
? DbType.String
: DbType.Int32
: attribute.Type.GetDbType();
/// <summary>
/// Gets the database type
/// </summary>
/// <param name="attribute"></param>
/// <returns></returns>
public static DbType GetDbType(this ExtendedPropertyDefinition attribute)
=> attribute.Type.Equals(typeof(DateTime))
? DbType.AnsiString
: attribute.Type.GetDbType();
internal static Dictionary<Type, Dictionary<string, string>> DbTypeStrings { get; } = new Dictionary<Type, Dictionary<string, string>>
{
{
typeof(string),
new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
{
{ "SQLServer", "NVARCHAR{0}" },
{ "Default", "VARCHAR{0}" }
}
},
{
typeof(char),
new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
{
{ "Default", "CHAR{0}" }
}
},
{
typeof(char?),
new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
{
{ "SQLServer", "NTEXT" },
{ "Default", "TEXT" }
}
},
{
typeof(byte),
new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
{
{ "PostgreSQL", "SMALLINT" },
{ "Default", "TINYINT" }
}
},
{
typeof(sbyte),
new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
{
{ "PostgreSQL", "SMALLINT" },
{ "MySQL", "TINYINT UNSIGNED" },
{ "Default", "TINYINT" }
}
},
{
typeof(short),
new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
{
{ "Default", "SMALLINT" }
}
},
{
typeof(ushort),
new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
{
{ "Default", "SMALLINT" }
}
},
{
typeof(int),
new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
{
{ "Default", "INT" }
}
},
{
typeof(uint),
new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
{
{ "Default", "INT" },
}
},
{
typeof(long),
new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
{
{ "Default", "BIGINT" }
}
},
{
typeof(ulong),
new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
{
{ "Default", "BIGINT" }
}
},
{
typeof(float),
new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
{
{ "SQLServer", "FLOAT(24)" },
{ "PostgreSQL", "REAL" },
{ "Default", "FLOAT" }
}
},
{
typeof(double),
new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
{
{ "SQLServer", "FLOAT(53)" },
{ "PostgreSQL", "DOUBLE PRECISION" },
{ "Default", "DOUBLE" }
}
},
{
typeof(decimal),
new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
{
{ "SQLServer", "DECIMAL(19,5)" },
{ "Default", "NUMERIC(19,5)" }
}
},
{
typeof(bool),
new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
{
{ "SQLServer", "BIT" },
{ "MySQL", "TINYINT(1)" },
{ "Default", "BOOLEAN" }
}
},
{
typeof(DateTime),
new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
{
{ "PostgreSQL", "TIMESTAMP" },
{ "Default", "DATETIME" }
}
}
};
internal static string GetDbTypeString(this AttributeInfo attribute, DbProviderFactory dbProviderFactory)
=> attribute.Type.IsStringType() && attribute.Name.EndsWith("ID") && (attribute.MaxLength.Equals(0) || attribute.MaxLength.Equals(32))
? typeof(string).GetDbTypeString(dbProviderFactory, 32, true, false)
: attribute.IsStoredAsString()
? typeof(string).GetDbTypeString(dbProviderFactory, attribute.IsStoredAsDateOnlyString() ? 10 : 19, true, false)
: (attribute.IsCLOB != null && attribute.IsCLOB.Value) || attribute.IsStoredAsJson()
? typeof(string).GetDbTypeString(dbProviderFactory, 0, false, true)
: attribute.Type.IsEnum
? attribute.IsStringEnum()
? typeof(string).GetDbTypeString(dbProviderFactory, 50, false, false)
: typeof(int).GetDbTypeString(dbProviderFactory, 0, false, false)
: attribute.Type.GetDbTypeString(dbProviderFactory, attribute.MaxLength != null ? attribute.MaxLength.Value : 0);
internal static string GetDbTypeString(this Type type, DbProviderFactory dbProviderFactory, int precision = 0, bool asFixedLength = false, bool asCLOB = false)
=> type == null || dbProviderFactory == null
? ""
: type.GetDbTypeString(dbProviderFactory.GetName(), precision, asFixedLength, asCLOB);
internal static string GetDbTypeString(this Type type, string dbProviderFactoryName, int precision = 0, bool asFixedLength = false, bool asCLOB = false)
{
type = !type.Equals(typeof(string))
? type.IsGenericType && type.GetGenericTypeDefinition().Equals(typeof(Nullable<>))
? Nullable.GetUnderlyingType(type)
: type
: asFixedLength
? typeof(char)
: asCLOB
? typeof(char?)
: type;
precision = precision < 1 && type.Equals(typeof(string))
? 4000
: precision;
var dbTypeString = "";
var dbTypeStrings = !string.IsNullOrWhiteSpace(dbProviderFactoryName) && SqlHelper.DbTypeStrings.ContainsKey(type)
? SqlHelper.DbTypeStrings[type]
: null;
if (dbTypeStrings != null)
{
if (!dbTypeStrings.TryGetValue(dbProviderFactoryName, out dbTypeString))
if (!dbTypeStrings.TryGetValue("Default", out dbTypeString))
dbTypeString = "";
}
return dbTypeString.IndexOf("{0}") > 0 && precision > 0
? string.Format(dbTypeString, $"({precision})")
: dbTypeString;
}
#endregion
#region Parameter
/// <summary>
/// Creates a parameter
/// </summary>
/// <param name="dbProviderFactory"></param>
/// <param name="name"></param>
/// <param name="dbType"></param>
/// <param name="value"></param>
/// <returns></returns>
public static DbParameter CreateParameter(this DbProviderFactory dbProviderFactory, string name, DbType dbType, object value)
{
var parameter = dbProviderFactory.CreateParameter();
parameter.ParameterName = (!name.IsStartsWith("@") ? "@" : "") + name;
parameter.DbType = dbType;
parameter.Value = value ?? DBNull.Value;
return parameter;
}
internal static DbParameter CreateParameter(this DbProviderFactory dbProviderFactory, KeyValuePair<string, object> info)
=> dbProviderFactory.CreateParameter(info.Key, info.Key.EndsWith("ID") || info.Key.EndsWith("Id") ? DbType.AnsiStringFixedLength : info.Value.GetType().GetDbType(), info.Value);
internal static DbParameter CreateParameter(this DbProviderFactory dbProviderFactory, AttributeInfo attribute, object value)
=> dbProviderFactory.CreateParameter(attribute.Name, attribute.GetDbType(), attribute.IsStoredAsJson()
? value == null
? ""
: value.ToJson().ToString(Newtonsoft.Json.Formatting.None)
: attribute.IsStoredAsString()
? value == null
? ""
: ((DateTime)value).ToDTString(false, attribute.IsStoredAsDateTimeString())
: value);
internal static DbParameter CreateParameter(this DbProviderFactory dbProviderFactory, ExtendedPropertyDefinition attribute, object value)
=> dbProviderFactory.CreateParameter(attribute.Name, attribute.GetDbType(), attribute.Type.Equals(typeof(DateTime))
? value == null
? ""
: ((DateTime)value).ToDTString()
: value);
#endregion
#region Data Adapter
internal static DbDataAdapter CreateDataAdapter(this DbProviderFactory dbProviderFactory, DbCommand command)
{
var dataAdapter = dbProviderFactory.CreateDataAdapter();
dataAdapter.SelectCommand = command;
return dataAdapter;
}
#endregion
#region Copy (DataReader/DataRow)
/// <summary>
/// Sets the value of an attribute
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="object"></param>
/// <param name="name"></param>
/// <param name="value"></param>
/// <param name="standardAttributes"></param>
/// <param name="extendedAttributes"></param>
/// <param name="changedNotifier"></param>
/// <param name="whenSetAttributeValueGotError"></param>
public static void SetAttributeValue<T>(this T @object, string name, object value, Dictionary<string, AttributeInfo> standardAttributes, Dictionary<string, ExtendedPropertyDefinition> extendedAttributes, IPropertyChangedNotifier changedNotifier = null, Action<T, string, object, Exception> whenSetAttributeValueGotError = null) where T : class
{
try
{
value = value == DBNull.Value ? null : value;
if (standardAttributes != null && standardAttributes.TryGetValue(name, out var standardAttribute))
{
if (value is string @string)
{
if (standardAttribute.IsDateTimeType() && standardAttribute.IsStoredAsString())
value = DateTime.Parse(@string);
else if (standardAttribute.IsStoredAsJson())
try
{
value = new JsonSerializer().Deserialize(new JTokenReader(JToken.Parse(@string)), standardAttribute.Type);
}
catch
{
value = null;
}
else if (standardAttribute.IsEnum())
value = standardAttribute.IsStringEnum()
? @string.ToEnum(standardAttribute.Type)
: value.CastAs<int>().ToEnum(standardAttribute.Type);
else if (standardAttribute.IsGenericListOrHashSet())
value = @string != null
? standardAttribute.IsGenericList()
? @string.ToList() as object
: @string.ToHashSet()
: value;
else if (standardAttribute.IsStringType() && string.IsNullOrWhiteSpace(@string) && !standardAttribute.NotNull)
value = null;
}
else if (value != null && standardAttribute.IsEnum())
value = value.CastAs<int>().ToEnum(standardAttribute.Type);
@object.SetAttributeValue(standardAttribute, value, value != null);
changedNotifier?.NotifyPropertyChanged(name);
}
else if (extendedAttributes != null && extendedAttributes.TryGetValue(name, out var extendedAttribute))
{
if (value != null && extendedAttribute.Type.IsDateTimeType())
value = value is DateTime datetime
? datetime
: DateTime.Parse(value.ToString());
(@object as IBusinessEntity).ExtendedProperties[extendedAttribute.Name] = value?.CastAs(extendedAttribute.Type);
changedNotifier?.NotifyPropertyChanged(name);
}
}
catch (Exception ex)
{
if (whenSetAttributeValueGotError != null)
whenSetAttributeValueGotError(@object, name, value, ex);
else
throw new RepositoryOperationException($"Cannot set the value of an attribute => {ex.Message} [{@object.GetType()}#{@object.GetEntityID()} :: {name} => {value}]", ex);
}
}
/// <summary>
/// Copies data from data-reader into this object
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="object"></param>
/// <param name="dataReader"></param>
/// <param name="standardAttributes"></param>
/// <param name="extendedAttributes"></param>
/// <param name="whenSetAttributeValueGotError"></param>
/// <returns></returns>
public static T Copy<T>(this T @object, DbDataReader dataReader, Dictionary<string, AttributeInfo> standardAttributes, Dictionary<string, ExtendedPropertyDefinition> extendedAttributes, Action<T, string, object, Exception> whenSetAttributeValueGotError = null) where T : class
{
@object = @object ?? ObjectService.CreateInstance<T>();
if (@object is IBusinessEntity businessEntity && businessEntity.ExtendedProperties == null && extendedAttributes != null)
businessEntity.ExtendedProperties = new Dictionary<string, object>();
var changedNotifier = @object is IPropertyChangedNotifier
? @object as IPropertyChangedNotifier
: null;
for (var index = 0; index < dataReader.FieldCount; index++)
@object.SetAttributeValue(dataReader.GetName(index), dataReader[index], standardAttributes, extendedAttributes, changedNotifier, whenSetAttributeValueGotError);
return @object;
}
/// <summary>
/// Copies data from data-row into this object
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="object"></param>
/// <param name="dataRow"></param>
/// <param name="standardAttributes"></param>
/// <param name="extendedAttributes"></param>
/// <param name="whenSetAttributeValueGotError"></param>
/// <returns></returns>
public static T Copy<T>(this T @object, DataRow dataRow, Dictionary<string, AttributeInfo> standardAttributes, Dictionary<string, ExtendedPropertyDefinition> extendedAttributes, Action<T, string, object, Exception> whenSetAttributeValueGotError = null) where T : class
{
@object = @object ?? ObjectService.CreateInstance<T>();
if (@object is IBusinessEntity businessEntity && businessEntity.ExtendedProperties == null && extendedAttributes != null)
businessEntity.ExtendedProperties = new Dictionary<string, object>();
var changedNotifier = @object is IPropertyChangedNotifier
? @object as IPropertyChangedNotifier
: null;
for (var index = 0; index < dataRow.Table.Columns.Count; index++)
@object.SetAttributeValue(dataRow.Table.Columns[index].ColumnName, dataRow[dataRow.Table.Columns[index].ColumnName], standardAttributes, extendedAttributes, changedNotifier, whenSetAttributeValueGotError);
return @object;
}
#endregion
#region Mappings
static List<Tuple<string, List<DbParameter>>> PrepareUpdateMappings(this DbProviderFactory dbProviderFactory, string tableName, string linkColumn, string mapColumn, string linkValue, IEnumerable<string> mapValues)
{
var statements = new List<Tuple<string, List<DbParameter>>>
{
new Tuple<string, List<DbParameter>>(
$"DELETE FROM {tableName} WHERE {linkColumn}=@{linkColumn}",
new List<DbParameter>
{
dbProviderFactory.CreateParameter(new KeyValuePair<string, object>($"@{linkColumn}", linkValue))
}
)
};
mapValues.ForEach(mapValue => statements.Add(new Tuple<string, List<DbParameter>>(
$"INSERT INTO {tableName} ({linkColumn},{mapColumn}) VALUES (@{linkColumn},@{mapColumn})",
new List<DbParameter>
{
dbProviderFactory.CreateParameter(new KeyValuePair<string, object>($"@{linkColumn}", linkValue)),
dbProviderFactory.CreateParameter(new KeyValuePair<string, object>($"@{mapColumn}", mapValue))
}
)));
return statements;
}
static List<Tuple<string, List<DbParameter>>> PrepareUpdateMappings<T>(this T @object, DbProviderFactory dbProviderFactory) where T : class
{
var statements = new List<Tuple<string, List<DbParameter>>>();
var definition = RepositoryMediator.GetEntityDefinition<T>();
var linkValue = @object is RepositoryBase ? (@object as RepositoryBase).ID : @object.GetEntityID();
definition.Attributes.Where(attribute => attribute.IsMappings()).ForEach(attribute =>
{
var values = @object.GetAttributeValue(attribute);
var mapValues = values != null
? values.IsGenericList() ? values as List<string> : (values as HashSet<string>).ToList()
: new List<string>();
var mapInfo = attribute.GetMapInfo(definition);
statements = statements.Concat(dbProviderFactory.PrepareUpdateMappings(mapInfo.Item1, mapInfo.Item2, mapInfo.Item3, linkValue, mapValues)).ToList();
});
return statements;
}
static string UpdateMappings<T>(this T @object, DbConnection connection, DbProviderFactory dbProviderFactory, bool performCreateNew = true) where T : class
{
var info = "";
var statements = performCreateNew
? @object.PrepareUpdateMappings(dbProviderFactory)
: @object.PrepareUpdateMappings(dbProviderFactory).Where(statement => statement.Item1.IsStartsWith("DELETE")).ToList();
statements.ForEach(statement =>
{
var command = connection.CreateCommand(statement);
command.ExecuteNonQuery();
if (RepositoryMediator.IsDebugEnabled)
info += (info != "" ? "\r\n" : "") + command.GetInfo();
});
return info;
}
static async Task<string> UpdateMappingsAsync<T>(this T @object, DbConnection connection, DbProviderFactory dbProviderFactory, CancellationToken cancellationToken = default, bool performCreateNew = true) where T : class
{
var info = "";
var statements = performCreateNew
? @object.PrepareUpdateMappings(dbProviderFactory)
: @object.PrepareUpdateMappings(dbProviderFactory).Where(statement => statement.Item1.IsStartsWith("DELETE")).ToList();
await statements.ForEachAsync(async (statement, token) =>
{
var command = connection.CreateCommand(statement);
await command.ExecuteNonQueryAsync(token).ConfigureAwait(false);
if (RepositoryMediator.IsDebugEnabled)
info += (info != "" ? "\r\n" : "") + command.GetInfo();
}, cancellationToken, true, false).ConfigureAwait(false);
return info;
}
static Tuple<string, List<DbParameter>> PrepareGetMappings(this DbProviderFactory dbProviderFactory, string tableName, string linkColumn, string mapColumn, string linkValue)
=> new Tuple<string, List<DbParameter>>(
$"SELECT {mapColumn} FROM {tableName} WHERE {linkColumn}=@{linkColumn}",
new List<DbParameter>
{
dbProviderFactory.CreateParameter(new KeyValuePair<string, object>($"@{linkColumn}", linkValue))
}
);
static List<string> GetMappings(this DbProviderFactory dbProviderFactory, DbConnection connection, string tableName, string linkColumn, string mapColumn, string linkValue)
{
var mapValues = new List<string>();
var command = connection.CreateCommand(dbProviderFactory.PrepareGetMappings(tableName, linkColumn, mapColumn, linkValue));
using (var dataReader = command.ExecuteReader())
while (dataReader.Read())
mapValues.Add(dataReader[0]?.ToString());
return mapValues;
}
static void GetMappings<T>(this T @object, DbConnection connection, DbProviderFactory dbProviderFactory) where T : class
{
var definition = RepositoryMediator.GetEntityDefinition<T>();
var linkValue = @object is RepositoryBase ? (@object as RepositoryBase).ID : @object.GetEntityID();
definition.Attributes.Where(attribute => attribute.IsMappings()).ForEach(attribute =>
{
var mapInfo = attribute.GetMapInfo(definition);
var mapValues = dbProviderFactory.GetMappings(connection, mapInfo.Item1, mapInfo.Item2, mapInfo.Item3, linkValue);
@object.SetAttributeValue(attribute, attribute.IsGenericHashSet() ? mapValues.ToHashSet() as object : mapValues);
});
}
static async Task<List<string>> GetMappingsAsync(this DbProviderFactory dbProviderFactory, DbConnection connection, string tableName, string linkColumn, string mapColumn, string linkValue, CancellationToken cancellationToken = default)
{
var mapValues = new List<string>();
var command = connection.CreateCommand(dbProviderFactory.PrepareGetMappings(tableName, linkColumn, mapColumn, linkValue));
using (var dataReader = await command.ExecuteReaderAsync(cancellationToken).ConfigureAwait(false))
while (await dataReader.ReadAsync(cancellationToken).ConfigureAwait(false))
mapValues.Add(dataReader[0]?.ToString());
return mapValues;
}
static async Task GetMappingsAsync<T>(this T @object, DbConnection connection, DbProviderFactory dbProviderFactory, CancellationToken cancellationToken = default) where T : class
{
var definition = RepositoryMediator.GetEntityDefinition<T>();
var linkValue = @object is RepositoryBase ? (@object as RepositoryBase).ID : @object.GetEntityID();
await definition.Attributes.Where(attribute => attribute.IsMappings()).ForEachAsync(async attribute =>
{
var mapInfo = attribute.GetMapInfo(definition);
var mapValues = await dbProviderFactory.GetMappingsAsync(connection, mapInfo.Item1, mapInfo.Item2, mapInfo.Item3, linkValue, cancellationToken).ConfigureAwait(false);
@object.SetAttributeValue(attribute, attribute.IsGenericHashSet() ? mapValues.ToHashSet() as object : mapValues);
}, true, false).ConfigureAwait(false);
}
#endregion
#region Create
static Tuple<string, List<DbParameter>> PrepareCreateOrigin<T>(this T @object, DbProviderFactory dbProviderFactory) where T : class
{
var columns = new List<string>();
var values = new List<string>();
var parameters = new List<DbParameter>();
var definition = RepositoryMediator.GetEntityDefinition<T>();
foreach (var attribute in definition.Attributes.Where(attribute => !attribute.IsMappings()).ToList())
{
var value = @object.GetAttributeValue(attribute.Name);
if (value == null && attribute.IsIgnoredIfNull())
continue;
columns.Add(string.IsNullOrEmpty(attribute.Column) ? attribute.Name : attribute.Column);
values.Add($"@{attribute.Name}");
parameters.Add(dbProviderFactory.CreateParameter(attribute, value));
}
var statement = $"INSERT INTO {definition.TableName} ({columns.Join(", ")}) VALUES ({values.Join(", ")})";
return new Tuple<string, List<DbParameter>>(statement, parameters);
}
static Tuple<string, List<DbParameter>> PrepareCreateExtent<T>(this T @object, DbProviderFactory dbProviderFactory) where T : class
{
var columns = "ID,SystemID,RepositoryID,RepositoryEntityID".ToList();
var values = columns.Select(c => $"@{c}").ToList();
var parameters = new List<DbParameter>
{
dbProviderFactory.CreateParameter(new KeyValuePair<string, object>("@ID", (@object as IBusinessEntity).ID)),
dbProviderFactory.CreateParameter(new KeyValuePair<string, object>("@SystemID", (@object as IBusinessEntity).SystemID)),
dbProviderFactory.CreateParameter(new KeyValuePair<string, object>("@RepositoryID", (@object as IBusinessEntity).RepositoryID)),
dbProviderFactory.CreateParameter(new KeyValuePair<string, object>("@RepositoryEntityID", (@object as IBusinessEntity).RepositoryEntityID))
};
var definition = RepositoryMediator.GetEntityDefinition<T>();
var attributes = definition.BusinessRepositoryEntities[(@object as IBusinessEntity).RepositoryEntityID].ExtendedPropertyDefinitions;
foreach (var attribute in attributes)
{
columns.Add(attribute.Column);
values.Add($"@{attribute.Name}");
var value = (@object as IBusinessEntity).ExtendedProperties != null && (@object as IBusinessEntity).ExtendedProperties.ContainsKey(attribute.Name)
? (@object as IBusinessEntity).ExtendedProperties[attribute.Name]
: attribute.GetDefaultValue();
parameters.Add(dbProviderFactory.CreateParameter(attribute, value));
}
var statement = $"INSERT INTO {definition.RepositoryDefinition.ExtendedPropertiesTableName} ({columns.Join(", ")}) VALUES ({values.Join(", ")})";
return new Tuple<string, List<DbParameter>>(statement, parameters);
}
/// <summary>
/// Creates new the record of an object
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="context">The working context</param>
/// <param name="dataSource">The data source</param>
/// <param name="object">The object for creating new instance in storage</param>
public static void Create<T>(this RepositoryContext context, DataSource dataSource, T @object) where T : class
{
if (@object == null)
throw new ArgumentNullException(nameof(@object), "The object is null");
var stopwatch = Stopwatch.StartNew();
dataSource = dataSource ?? context.GetPrimaryDataSource();
var dbProviderFactory = dataSource.GetProviderFactory();
using (var connection = dbProviderFactory.CreateConnection(dataSource))
{
var command = connection.CreateCommand(@object.PrepareCreateOrigin(dbProviderFactory));
try
{
command.ExecuteNonQuery();
var info = !RepositoryMediator.IsDebugEnabled ? "" : command.GetInfo();
if (@object.IsGotExtendedProperties())
{
command = connection.CreateCommand(@object.PrepareCreateExtent(dbProviderFactory));
command.ExecuteNonQuery();
if (RepositoryMediator.IsDebugEnabled)
info += "\r\n" + command.GetInfo();
}
info += "\r\n" + @object.UpdateMappings(connection, dbProviderFactory);
stopwatch.Stop();
if (RepositoryMediator.IsDebugEnabled)
RepositoryMediator.WriteLogs(new[]
{
$"SQL: Perform CREATE command successful [{typeof(T)}#{@object?.GetEntityID()}] @ {dataSource.Name}",
$"Execution times: {stopwatch.GetElapsedTimes()}",
info
});
}
catch (Exception ex)
{
throw new RepositoryOperationException($"Could not perform CREATE command [{typeof(T)}#{@object?.GetEntityID()}]", command.GetInfo(), ex);
}
}
}
/// <summary>
/// Creates new the record of an object
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="dataSource">The data source</param>
/// <param name="object">The object for creating new instance in storage</param>
public static void Create<T>(DataSource dataSource, T @object) where T : class
{
using (var context = new RepositoryContext())
{
context.Operation = RepositoryOperation.Create;
context.EntityDefinition = RepositoryMediator.GetEntityDefinition<T>();
context.Create(dataSource, @object);
}
}
/// <summary>
/// Creates new the record of an object
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="context">The working context</param>
/// <param name="dataSource">The data source</param>
/// <param name="object">The object for creating new instance in storage</param>
/// <param name="cancellationToken">The cancellation token</param>
/// <returns></returns>
public static async Task CreateAsync<T>(this RepositoryContext context, DataSource dataSource, T @object, CancellationToken cancellationToken = default) where T : class
{
if (@object == null)
throw new ArgumentNullException(nameof(@object), "The object is null");
var stopwatch = Stopwatch.StartNew();
dataSource = dataSource ?? context.GetPrimaryDataSource();
var dbProviderFactory = dataSource.GetProviderFactory();
using (var connection = await dbProviderFactory.CreateConnectionAsync(dataSource, cancellationToken).ConfigureAwait(false))
{
var command = connection.CreateCommand(@object.PrepareCreateOrigin(dbProviderFactory));
try
{
await command.ExecuteNonQueryAsync(cancellationToken).ConfigureAwait(false);
var info = !RepositoryMediator.IsDebugEnabled ? "" : command.GetInfo();
if (@object.IsGotExtendedProperties())
{
command = connection.CreateCommand(@object.PrepareCreateExtent(dbProviderFactory));
await command.ExecuteNonQueryAsync(cancellationToken).ConfigureAwait(false);
if (RepositoryMediator.IsDebugEnabled)
info += "\r\n" + command.GetInfo();
}
info += "\r\n" + await @object.UpdateMappingsAsync(connection, dbProviderFactory, cancellationToken).ConfigureAwait(false);
stopwatch.Stop();
if (RepositoryMediator.IsDebugEnabled)
RepositoryMediator.WriteLogs(new[]
{
$"SQL: Perform CREATE command successful [{typeof(T)}#{@object?.GetEntityID()}] @ {dataSource.Name}",
$"Execution times: {stopwatch.GetElapsedTimes()}",
info
});
}
catch (Exception ex)
{
throw new RepositoryOperationException($"Could not perform CREATE command [{typeof(T)}#{@object?.GetEntityID()}]", command.GetInfo(), ex);
}
}
}
/// <summary>
/// Creates new the record of an object
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="dataSource">The data source</param>
/// <param name="object">The object for creating new instance in storage</param>
/// <param name="cancellationToken">The cancellation token</param>
/// <returns></returns>
public static async Task CreateAsync<T>(DataSource dataSource, T @object, CancellationToken cancellationToken = default) where T : class
{
using (var context = new RepositoryContext())
{
context.Operation = RepositoryOperation.Create;
context.EntityDefinition = RepositoryMediator.GetEntityDefinition<T>();
await context.CreateAsync(dataSource, @object, cancellationToken).ConfigureAwait(false);
}
}
#endregion
#region Get
static Tuple<string, List<DbParameter>> PrepareGetOrigin<T>(this T @object, string id, DbProviderFactory dbProviderFactory) where T : class
{
var definition = RepositoryMediator.GetEntityDefinition<T>();
var fields = definition.Attributes
.Where(attribute => !attribute.IsMappings())
.Where(attribute => !attribute.IsIgnoredIfNull() || (attribute.IsIgnoredIfNull() && @object.GetAttributeValue(attribute) != null))
.Select(attribute => "Origin." + (string.IsNullOrEmpty(attribute.Column) ? attribute.Name : $"{attribute.Column} AS {attribute.Name}"))
.ToList();
var info = Filters<T>.Equals(definition.PrimaryKey, id).GetSqlStatement();
var statement = $"SELECT {fields.Join(", ")} FROM {definition.TableName} AS Origin WHERE {info.Item1}";
var parameters = info.Item2.Select(param => dbProviderFactory.CreateParameter(param)).ToList();
return new Tuple<string, List<DbParameter>>(statement, parameters);
}
static Tuple<string, List<DbParameter>> PrepareGetExtent<T>(this T @object, string id, DbProviderFactory dbProviderFactory, List<ExtendedPropertyDefinition> extendedProperties) where T : class
{
var fields = extendedProperties.Select(attribute => $"Origin.{attribute.Column} AS {attribute.Name}")
.Concat(new[] { "Origin.ID" })
.ToList();
var info = Filters<T>.Equals("ID", id).GetSqlStatement();
var statement = $"SELECT {fields.Join(", ")} FROM {RepositoryMediator.GetEntityDefinition<T>().RepositoryDefinition.ExtendedPropertiesTableName} AS Origin WHERE {info.Item1}";
var parameters = info.Item2.Select(param => dbProviderFactory.CreateParameter(param)).ToList();
return new Tuple<string, List<DbParameter>>(statement, parameters);
}
/// <summary>
/// Gets the record and construct an object
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="context">The working context</param>
/// <param name="dataSource">The data source</param>
/// <param name="id">The string that presents identity</param>
/// <returns></returns>
public static T Get<T>(this RepositoryContext context, DataSource dataSource, string id) where T : class
{
if (string.IsNullOrEmpty(id))
return default;
var stopwatch = Stopwatch.StartNew();
dataSource = dataSource ?? context.GetPrimaryDataSource();
var dbProviderFactory = dataSource.GetProviderFactory();
using (var connection = dbProviderFactory.CreateConnection(dataSource))
{
var @object = ObjectService.CreateInstance<T>();
var command = connection.CreateCommand(@object.PrepareGetOrigin(id, dbProviderFactory));
try
{
using (var dataReader = command.ExecuteReader())
@object = dataReader.Read() ? @object.Copy(dataReader, context.EntityDefinition.Attributes.ToDictionary(attribute => attribute.Name), null) : null;
var info = !RepositoryMediator.IsDebugEnabled ? "" : command.GetInfo();
if (@object != null && @object.IsGotExtendedProperties())
{
var extendedProperties = context.EntityDefinition.BusinessRepositoryEntities[(@object as IBusinessEntity).RepositoryEntityID].ExtendedPropertyDefinitions;
command = connection.CreateCommand(@object.PrepareGetExtent(id, dbProviderFactory, extendedProperties));
using (var dataReader = command.ExecuteReader())
if (dataReader.Read())