/// <summary>
/// Creates a command parameter from the <see cref="QueryField"/> object.
/// </summary>
/// <param name="command">The command object to be used.</param>
/// <param name="queryField">The value of <see cref="QueryField"/> object.</param>
/// <param name="propertiesToSkip">The list of the properties to be skipped.</param>
/// <param name="entityType">The type of the data entity.</param>
internal static void CreateParameters(this IDbCommand command,
QueryField queryField,
IEnumerable <string> propertiesToSkip,
Type entityType)
{
// Exclude those to be skipped
if (propertiesToSkip?.Contains(queryField.Field.Name, StringComparer.OrdinalIgnoreCase) == true)
{
return;
}
// Get the values
var value = queryField.Parameter.Value;
var valueType = value?.GetType()?.GetUnderlyingType();
var dbType = (DbType?)null;
#region PropertyHandler
// Check the property handler
var typeHandler = PropertyHandlerCache.Get <object>(valueType);
if (typeHandler != null)
{
var classProperty = (ClassProperty)null;
var setMethod = typeHandler.GetType().GetMethod("Set");
var returnType = setMethod.ReturnType;
if (entityType != null)
{
classProperty = PropertyCache.Get(entityType, queryField.Field);
}
dbType = clientTypeToDbTypeResolver.Resolve(returnType);
value = setMethod.Invoke(typeHandler, new[] { value, classProperty });
}
#endregion
#region DbType
else
{
dbType = TypeMapCache.Get(valueType);
// Check for the specialized types
if (dbType == null)
{
if (valueType?.IsEnum == true)
{
dbType = DbType.String;
}
else if (valueType == StaticType.ByteArray)
{
dbType = DbType.Binary;
}
}
}
#endregion
// Create the parameter
command.Parameters.Add(command.CreateParameter(queryField.Parameter.Name, value, dbType));
}
public void TestPropertyHandlerCacheWithoutMapping()
{
// Act
var result = PropertyHandlerCache.Get <PropertyHandlerCacheTest, StringPropertyHandler>();
// Assert
Assert.IsNull(result);
}
/// <summary>
///
/// </summary>
/// <param name="classProperty"></param>
/// <param name="targetType"></param>
/// <returns></returns>
private static object GetProperyHandler(ClassProperty classProperty,
Type targetType)
{
var propertyHandler = classProperty?.GetPropertyHandler();
if (propertyHandler == null && targetType != null)
{
propertyHandler = PropertyHandlerCache.Get <object>(targetType);
}
return(propertyHandler);
}
public void TestPropertyHandlerCacheWithMapping()
{
// Setup
var stringPropertyHandler = new StringPropertyHandler();
PropertyHandlerMapper.Add <PropertyTypeHandlerCacheTestClass, StringPropertyHandler>(stringPropertyHandler);
// Act
var result = PropertyHandlerCache.Get <PropertyTypeHandlerCacheTestClass, StringPropertyHandler>();
var expected = stringPropertyHandler;
// Assert
Assert.AreEqual(expected, result);
}
public void TestPropertyHandlerCachePropertyMappingViaExpressionWithMapAttribute()
{
// Act
var actual = PropertyHandlerCache.Get <PropertyTypeHandlerCacheTestClass, TextPropertyHandler>(e => e.PropertyString);
// Assert
Assert.IsNotNull(actual);
// Act (Existing)
actual = PropertyHandlerCache.Get <PropertyTypeHandlerCacheTestClass, TextPropertyHandler>(e => e.PropertyString);
// Assert
Assert.IsNotNull(actual);
}
public void TestPropertyHandlerCachePropertyMappingViaExpression()
{
// Setup
var stringPropertyHandler = new StringPropertyHandler();
PropertyHandlerMapper.Add <PropertyTypeHandlerCacheTestClass, StringPropertyHandler>(e => e.ColumnString, stringPropertyHandler);
// Act
var actual = PropertyHandlerCache.Get <PropertyTypeHandlerCacheTestClass, StringPropertyHandler>(e => e.ColumnString);
var expected = stringPropertyHandler;
// Assert
Assert.AreEqual(expected, actual);
}
public void TestPropertyHandlerCachePropertyMappingViaField()
{
// Setup
var field = new Field("ColumnString");
var stringPropertyHandler = new StringPropertyHandler();
PropertyHandlerMapper.Add <PropertyTypeHandlerCacheTestClass, StringPropertyHandler>(field, stringPropertyHandler);
// Act
var actual = PropertyHandlerCache.Get <PropertyTypeHandlerCacheTestClass, StringPropertyHandler>(field);
var expected = stringPropertyHandler;
// Assert
Assert.AreEqual(expected, actual);
}
public void TestPropertyHandlerCachePropertyMappingViaPropertyName()
{
// Setup
var propertyName = "ColumnString";
var stringPropertyHandler = new StringPropertyHandler();
PropertyHandlerMapper.Add <PropertyTypeHandlerCacheTestClass, StringPropertyHandler>(propertyName, stringPropertyHandler);
// Act
var actual = PropertyHandlerCache.Get <PropertyTypeHandlerCacheTestClass, StringPropertyHandler>(propertyName);
var expected = stringPropertyHandler;
// Assert
Assert.AreEqual(expected, actual);
}
public void TestPropertyHandlerCachePropertyMappingViaFieldWithMapAttribute()
{
// Setup
var field = new Field("PropertyString");
// Act
var actual = PropertyHandlerCache.Get <PropertyTypeHandlerCacheTestClass, TextPropertyHandler>(field);
// Assert
Assert.IsNotNull(actual);
// Act (Existing)
actual = PropertyHandlerCache.Get <PropertyTypeHandlerCacheTestClass, TextPropertyHandler>(field);
// Assert
Assert.IsNotNull(actual);
}
public void TestPropertyHandlerCachePropertyMappingViaPropertyNameWithMapAttribute()
{
// Setup
var propertyName = "PropertyString";
// Act
var actual = PropertyHandlerCache.Get <PropertyTypeHandlerCacheTestClass, TextPropertyHandler>(propertyName);
// Assert
Assert.IsNotNull(actual);
// Act (Existing)
actual = PropertyHandlerCache.Get <PropertyTypeHandlerCacheTestClass, TextPropertyHandler>(propertyName);
// Assert
Assert.IsNotNull(actual);
}
public void TestPropertyHandlerMapperPropertyMappingViaExpressionWithPropertyHandlerAttribute()
{
// Setup
var stringPropertyHandler = new StringPropertyHandler();
PropertyHandlerMapper.Add <PropertyHandlerMapperTestClass, StringPropertyHandler>(e => e.PropertyString, stringPropertyHandler);
// Act
var actual = PropertyHandlerMapper.Get <PropertyHandlerMapperTestClass, StringPropertyHandler>(e => e.PropertyString);
// Assert
Assert.IsNotNull(actual);
// Act
var textHandler = PropertyHandlerCache.Get <PropertyHandlerMapperTestClass, TextPropertyHandler>(e => e.PropertyString);
// Assert
Assert.IsNotNull(textHandler);
}
public void TestPropertyHandlerMapperPropertyMappingViaFieldWithPropertyHandlerAttribute()
{
// Setup
var stringPropertyHandler = new StringPropertyHandler();
var field = new Field("PropertyString");
PropertyHandlerMapper.Add <PropertyHandlerMapperTestClass, StringPropertyHandler>(field, stringPropertyHandler);
// Act
var actual = PropertyHandlerMapper.Get <PropertyHandlerMapperTestClass, StringPropertyHandler>(field);
// Assert
Assert.IsNotNull(actual);
// Act
var textHandler = PropertyHandlerCache.Get <PropertyHandlerMapperTestClass, TextPropertyHandler>(field);
// Assert
Assert.IsNotNull(textHandler);
}
public void TestPropertyHandlerMapperPropertyMappingViaPropertyNameWithPropertyHandlerAttribute()
{
// Setup
var stringPropertyHandler = new StringPropertyHandler();
var propertyName = "PropertyString";
PropertyHandlerMapper.Add <PropertyHandlerMapperTestClass, StringPropertyHandler>(propertyName, stringPropertyHandler);
// Act
var actual = PropertyHandlerMapper.Get <PropertyHandlerMapperTestClass, StringPropertyHandler>(propertyName);
// Assert
Assert.IsNotNull(actual);
// Act
var textHandler = PropertyHandlerCache.Get <PropertyHandlerMapperTestClass, TextPropertyHandler>(propertyName);
// Assert
Assert.IsNotNull(textHandler);
}
/// <summary>
/// Create Parameter, the process will handle value conversion and type conversion.
/// </summary>
/// <param name="command">The command object to be used.</param>
/// <param name="name">Entity property's name.</param>
/// <param name="value">Entity property's value, maybe null.</param>
/// <param name="classProperty">
/// The entity's class property information. <br />
/// If the parameter is a dictionary, it will be null, otherwise it will not be null.
/// </param>
/// <param name="dbField">
/// Used to get the actual field type information of the database to determine whether automatic type conversion is required. <br />
/// When the tableName is assigned, it will be based on the database field information obtained by the tableName, so this parameter will be null in most cases.
/// </param>
/// <param name="parameterDirection">The direction of the parameter.</param>
/// <param name="fallbackType">Used when none of the above parameters can determine the value of Parameter.DbType.</param>
/// <returns>An instance of the newly created parameter object.</returns>
private static IDbDataParameter CreateParameter(IDbCommand command,
string name,
object value,
ClassProperty classProperty,
DbField dbField,
ParameterDirection?parameterDirection,
Type fallbackType)
{
/*
* In some cases, the value type and the classProperty type will be inconsistent, Therefore, the type gives priority to value.
* ex: in RepoDb.MySql.IntegrationTests.TestMySqlConnectionForQueryForMySqlMapAttribute
* entity AttributeTable.Id = int
* database completetable.Id = bigint(20) AUTO_INCREMENT
* value id in connection.Query<AttributeTable>(id) is from connection.Insert<AttributeTable>(table) = ulong
*/
var valueType = (value?.GetType() ?? classProperty?.PropertyInfo.PropertyType).GetUnderlyingType();
/*
* Try to get the propertyHandler, the order of the source of resolve is classProperty and valueType.
* If the propertyHandler exists, the value and DbType are re-determined by the propertyHandler.
*/
var propertyHandler =
classProperty?.GetPropertyHandler() ??
(valueType == null ? null : PropertyHandlerCache.Get <object>(valueType));
if (propertyHandler != null)
{
var propertyHandlerSetMethod = propertyHandler.GetType().GetMethod("Set");
value = propertyHandlerSetMethod.Invoke(propertyHandler, new[] { value, classProperty });
valueType = propertyHandlerSetMethod.ReturnType.GetUnderlyingType();
}
/*
* When the database field information exists and the field type definition is found to be different from the valueType,
* if automatic type conversion is activated at this time, it will be processed.
*/
if (valueType != null && dbField != null && IsAutomaticConversion(dbField))
{
var dbFieldType = dbField.Type.GetUnderlyingType();
if (dbFieldType != valueType)
{
if (value != null)
{
value = AutomaticConvert(value, valueType, dbFieldType);
}
valueType = dbFieldType;
}
}
/*
* Set DbType as much as possible, to avoid parameter misjudgment when Value is null.
* order:
* 1. attribute level, TypeMapAttribute define on class's property
* 2. property level, assigned by TypeMapper.Add(entityType, property, dbType, ...)
* 3. type level, use TypeMapCache, assigned by TypeMapper.Add(type, dbType, ...), not included Primitive mapping.
* 4. type level, primitive mapping, included special type. ex: byte[] ...etc.
* 5. if isEnum, use Converter.EnumDefaultDatabaseType.
*/
// if classProperty exists, try get dbType from attribute level or property level,
// The reason for not using classProperty.GetDbType() is to avoid getting the type level mapping.
var dbType = classProperty?.GetDbType();
if (dbType == null && (valueType ??= dbField?.Type.GetUnderlyingType() ?? fallbackType) != null)
{
dbType =
valueType.GetDbType() ?? // type level, use TypeMapCache
clientTypeToDbTypeResolver.Resolve(valueType) ?? // type level, primitive mapping
(dbField?.Type != null ?
clientTypeToDbTypeResolver.Resolve(dbField?.Type) : null); // fallback to the database type
}
if (dbType == null && valueType.IsEnum)
{
dbType = Converter.EnumDefaultDatabaseType; // use Converter.EnumDefaultDatabaseType
}
/*
* Return the parameter
*/
return(command.CreateParameter(name, value, dbType, parameterDirection));
}
/// <summary>
/// Create the command parameters from the <see cref="IDictionary{TKey, TValue}"/> object.
/// </summary>
/// <param name="command">The command object to be used.</param>
/// <param name="dictionary">The parameters from the <see cref="Dictionary{TKey, TValue}"/> object.</param>
/// <param name="propertiesToSkip">The list of the properties to be skipped.</param>
/// <param name="entityType">The type of the data entity.</param>
internal static void CreateParameters(this IDbCommand command,
IDictionary <string, object> dictionary,
IEnumerable <string> propertiesToSkip,
Type entityType)
{
// Variables needed
var kvps = dictionary.Where(kvp => propertiesToSkip?.Contains(kvp.Key, StringComparer.OrdinalIgnoreCase) != true);
// Iterate the key value pairs
foreach (var kvp in kvps)
{
var dbType = (DbType?)null;
var value = kvp.Value;
var valueType = (Type)null;
var declaringType = entityType;
var property = (PropertyInfo)null;
// Cast the proper object and identify the properties
if (kvp.Value is CommandParameter)
{
var commandParameter = (CommandParameter)kvp.Value;
// Get the property and value
property = commandParameter.MappedToType.GetProperty(kvp.Key);
declaringType = commandParameter.MappedToType ?? property.DeclaringType;
value = commandParameter.Value;
// Set the value type
valueType = value?.GetType()?.GetUnderlyingType();
}
else
{
// In this area, it could be a 'dynamic' object
valueType = kvp.Value?.GetType()?.GetUnderlyingType();
}
// Get the property-level mapping
if (property != null)
{
#region PropertyHandler
// Check the property handler
var propertyHandler = PropertyHandlerCache.Get <object>(declaringType, property);
if (propertyHandler != null)
{
var setMethod = propertyHandler.GetType().GetMethod("Set");
var returnType = setMethod.ReturnType;
var classProperty = PropertyCache.Get(declaringType, property);
dbType = m_clientTypeToDbTypeResolver.Resolve(returnType);
value = setMethod.Invoke(propertyHandler, new[] { value, classProperty });
}
#endregion
else
{
#region DbType
dbType = TypeMapCache.Get(property.DeclaringType, property);
// Check for the specialized types
if (dbType == null)
{
if (valueType?.IsEnum == true)
{
dbType = DbType.String;
}
else if (valueType == m_bytesType)
{
dbType = DbType.Binary;
}
}
#endregion
}
}
// Add the parameter
command.Parameters.Add(command.CreateParameter(kvp.Key, value, dbType));
}
}