private void ResolveWhereLogic(ExpressionParameter parameter, ExpressionParameter baseParameter, MemberExpression expression, bool?isLeft, bool isSetTempData, bool isSingle)
{
string fieldName = string.Empty;
if (isSetTempData)
{
if (ExpressionTool.IsConstExpression(expression))
{
var value = ExpressionTool.GetMemberValue(expression.Member, expression);
baseParameter.CommonTempData = value;
}
else
{
fieldName = GetName(parameter, expression, null, isSingle);
baseParameter.CommonTempData = fieldName;
}
}
else
{
if (ExpressionTool.IsConstExpression(expression))
{
var value = ExpressionTool.GetMemberValue(expression.Member, expression);
base.AppendValue(parameter, isLeft, value);
}
else
{
fieldName = GetName(parameter, expression, isLeft, isSingle);
AppendMember(parameter, isLeft, fieldName);
}
}
}
private void ResolveMemberValue(ExpressionParameter parameter, ExpressionParameter baseParameter, bool?isLeft, bool isSetTempData, MemberExpression expression)
{
var value = ExpressionTool.GetMemberValue(expression.Member, expression);
if (isSetTempData)
{
baseParameter.CommonTempData = value;
}
else
{
AppendValue(parameter, isLeft, value);
}
}
public MemberConstExpressionResolve(ExpressionParameter parameter) : base(parameter)
{
var expression = base.Expression as MemberExpression;
var isLeft = parameter.IsLeft;
object value = ExpressionTool.GetMemberValue(expression.Member, expression);
var baseParameter = parameter.BaseParameter;
var isSetTempData = baseParameter.CommonTempData.HasValue() && baseParameter.CommonTempData.Equals(CommonTempDataType.Result);
switch (parameter.Context.ResolveType)
{
case ResolveExpressType.Update:
case ResolveExpressType.SelectSingle:
case ResolveExpressType.SelectMultiple:
if (value != null && value.GetType().IsEnum())
{
value = Convert.ToInt64(value);
}
parameter.BaseParameter.CommonTempData = value;
break;
case ResolveExpressType.WhereSingle:
case ResolveExpressType.WhereMultiple:
if (isSetTempData)
{
baseParameter.CommonTempData = value;
}
else
{
AppendValue(parameter, isLeft, value);
}
break;
case ResolveExpressType.FieldSingle:
case ResolveExpressType.FieldMultiple:
break;
}
}
private void ResolveDateValue(ExpressionParameter parameter, bool?isLeft, MemberExpression expression)
{
var name = expression.Member.Name;
var oldCommonTempDate = parameter.CommonTempData;
parameter.CommonTempData = CommonTempDataType.Result;
this.Expression = expression.Expression;
var isConst = this.Expression is ConstantExpression;
if (this.Expression.Type == UtilConstants.DateType && this.Expression.ToString() == "DateTime.Now")
{
this.Expression = expression;
var parameterName = base.AppendParameter(ExpressionTool.GetMemberValue(expression.Member, expression));
base.AppendMember(parameter, isLeft, parameterName);
}
else
{
this.Start();
var result = this.Context.DbMehtods.DateValue(new MethodCallExpressionModel()
{
Args = new List <MethodCallExpressionArgs>()
{
new MethodCallExpressionArgs()
{
IsMember = !isConst, MemberName = parameter.CommonTempData, MemberValue = null
},
new MethodCallExpressionArgs()
{
IsMember = true, MemberName = name, MemberValue = name
}
}
});
base.AppendMember(parameter, isLeft, result);
}
parameter.CommonTempData = oldCommonTempDate;
}
protected void ResolveNewExpressions(ExpressionParameter parameter, Expression item, string asName)
{
if (item is ConstantExpression)
{
this.Expression = item;
this.Start();
string parameterName = this.Context.SqlParameterKeyWord + "constant" + this.Context.ParameterIndex;
this.Context.ParameterIndex++;
parameter.Context.Result.Append(this.Context.GetAsString(asName, parameterName));
this.Context.Parameters.Add(new SugarParameter(parameterName, parameter.CommonTempData));
}
else if ((item is MemberExpression) && ((MemberExpression)item).Expression == null)
{
var paramterValue = ExpressionTool.GetPropertyValue(item as MemberExpression);
string parameterName = this.Context.SqlParameterKeyWord + "constant" + this.Context.ParameterIndex;
this.Context.ParameterIndex++;
parameter.Context.Result.Append(this.Context.GetAsString(asName, parameterName));
this.Context.Parameters.Add(new SugarParameter(parameterName, paramterValue));
}
else if ((item is MemberExpression) && ((MemberExpression)item).Expression.NodeType == ExpressionType.Constant)
{
this.Expression = item;
this.Start();
string parameterName = this.Context.SqlParameterKeyWord + "constant" + this.Context.ParameterIndex;
this.Context.ParameterIndex++;
parameter.Context.Result.Append(this.Context.GetAsString(asName, parameterName));
this.Context.Parameters.Add(new SugarParameter(parameterName, parameter.CommonTempData));
}
else if (item is MemberExpression)
{
if (this.Context.Result.IsLockCurrentParameter == false)
{
this.Context.Result.CurrentParameter = parameter;
this.Context.Result.IsLockCurrentParameter = true;
parameter.IsAppendTempDate();
this.Expression = item;
this.Start();
parameter.IsAppendResult();
this.Context.Result.Append(this.Context.GetAsString(asName, parameter.CommonTempData.ObjToString()));
this.Context.Result.CurrentParameter = null;
}
}
else if (item is UnaryExpression && ((UnaryExpression)item).Operand is MemberExpression)
{
if (this.Context.Result.IsLockCurrentParameter == false)
{
var expression = ((UnaryExpression)item).Operand as MemberExpression;
var isDateTimeNow = ((UnaryExpression)item).Operand.ToString() == "DateTime.Now";
if (expression.Expression == null && !isDateTimeNow)
{
this.Context.Result.CurrentParameter = parameter;
this.Context.Result.IsLockCurrentParameter = true;
parameter.IsAppendTempDate();
this.Expression = item;
this.Start();
parameter.IsAppendResult();
this.Context.Result.Append(this.Context.GetAsString(asName, parameter.CommonTempData.ObjToString()));
this.Context.Result.CurrentParameter = null;
}
else if (expression.Expression is ConstantExpression || isDateTimeNow)
{
string parameterName = this.Context.SqlParameterKeyWord + "constant" + this.Context.ParameterIndex;
this.Context.ParameterIndex++;
parameter.Context.Result.Append(this.Context.GetAsString(asName, parameterName));
this.Context.Parameters.Add(new SugarParameter(parameterName, ExpressionTool.GetMemberValue(expression.Member, expression)));
}
else
{
this.Context.Result.CurrentParameter = parameter;
this.Context.Result.IsLockCurrentParameter = true;
parameter.IsAppendTempDate();
this.Expression = item;
this.Start();
parameter.IsAppendResult();
this.Context.Result.Append(this.Context.GetAsString(asName, parameter.CommonTempData.ObjToString()));
this.Context.Result.CurrentParameter = null;
}
}
}
else if (item is UnaryExpression && ((UnaryExpression)item).Operand is ConstantExpression)
{
if (this.Context.Result.IsLockCurrentParameter == false)
{
this.Expression = ((UnaryExpression)item).Operand;
this.Start();
string parameterName = this.Context.SqlParameterKeyWord + "constant" + this.Context.ParameterIndex;
this.Context.ParameterIndex++;
parameter.Context.Result.Append(this.Context.GetAsString(asName, parameterName));
this.Context.Parameters.Add(new SugarParameter(parameterName, parameter.CommonTempData));
}
}
else if (item is BinaryExpression)
{
if (this.Context.Result.IsLockCurrentParameter == false)
{
var newContext = this.Context.GetCopyContextWithMapping();
var resolveExpressType = this.Context.IsSingle ? ResolveExpressType.WhereSingle : ResolveExpressType.WhereMultiple;
newContext.Resolve(item, resolveExpressType);
this.Context.Index = newContext.Index;
this.Context.ParameterIndex = newContext.ParameterIndex;
if (newContext.Parameters.HasValue())
{
this.Context.Parameters.AddRange(newContext.Parameters);
}
this.Context.Result.Append(this.Context.GetAsString(asName, newContext.Result.GetString()));
this.Context.Result.CurrentParameter = null;
if (this.Context.SingleTableNameSubqueryShortName.IsNullOrEmpty() && newContext.SingleTableNameSubqueryShortName.HasValue())
{
this.Context.SingleTableNameSubqueryShortName = newContext.SingleTableNameSubqueryShortName;
}
}
}
else if (item.Type.IsClass())
{
this.Expression = item;
this.Start();
var shortName = parameter.CommonTempData;
var listProperties = item.Type.GetProperties().Cast <PropertyInfo>().ToList();
foreach (var property in listProperties)
{
var hasIgnore = this.Context.IgnoreComumnList != null && this.Context.IgnoreComumnList.Any(it => it.EntityName.Equals(item.Type.Name, StringComparison.CurrentCultureIgnoreCase) && it.PropertyName.Equals(property.Name, StringComparison.CurrentCultureIgnoreCase));
if (hasIgnore)
{
continue;
}
if (property.PropertyType.IsClass())
{
}
else
{
var propertyName = property.Name;
var dbColumnName = propertyName;
var mappingInfo = this.Context.MappingColumns.FirstOrDefault(it => it.EntityName == item.Type.Name && it.PropertyName.Equals(propertyName, StringComparison.CurrentCultureIgnoreCase));
if (mappingInfo.HasValue())
{
dbColumnName = mappingInfo.DbColumnName;
}
asName = this.Context.GetTranslationText(item.Type.Name + "." + propertyName);
if (Context.IsJoin)
{
this.Context.Result.Append(Context.GetAsString(asName, dbColumnName, shortName.ObjToString()));
}
else
{
this.Context.Result.Append(Context.GetAsString(asName, dbColumnName));
}
}
}
}
else if (item.Type == UtilConstants.BoolType && item is MethodCallExpression && (item as MethodCallExpression).Method.Name == "Any" && IsSubMethod(item as MethodCallExpression))
{
this.Expression = item;
this.Start();
var sql = this.Context.DbMehtods.IIF(new MethodCallExpressionModel()
{
Args = new List <MethodCallExpressionArgs>()
{
new MethodCallExpressionArgs()
{
IsMember = true,
MemberName = parameter.CommonTempData.ObjToString()
},
new MethodCallExpressionArgs()
{
IsMember = true,
MemberName = 1
},
new MethodCallExpressionArgs()
{
IsMember = true,
MemberName = 0
}
}
});
parameter.Context.Result.Append(this.Context.GetAsString(asName, sql));
}
else if (item is MethodCallExpression || item is UnaryExpression || item is ConditionalExpression || item.NodeType == ExpressionType.Coalesce)
{
this.Expression = item;
this.Start();
parameter.Context.Result.Append(this.Context.GetAsString(asName, parameter.CommonTempData.ObjToString()));
}
else
{
Check.ThrowNotSupportedException(item.GetType().Name);
}
}
