private void Update(MemberInitExpression expression, ExpressionParameter parameter)
        {
            int i = 0;

            foreach (MemberBinding binding in expression.Bindings)
            {
                ++i;
                if (binding.BindingType != MemberBindingType.Assignment)
                {
                    throw new NotSupportedException();
                }
                MemberAssignment memberAssignment = (MemberAssignment)binding;
                var type       = expression.Type;
                var memberName = this.Context.GetDbColumnName(type.Name, memberAssignment.Member.Name);
                var item       = memberAssignment.Expression;

                //Column IsJson Handler
                if (memberAssignment.Member.CustomAttributes != null)
                {
                    var customAttribute = memberAssignment.Member.GetCustomAttribute <SugarColumn>();

                    if (customAttribute?.IsJson ?? false)
                    {
                        var paramterValue = ExpressionTool.DynamicInvoke(item);
                        var parameterName = AppendParameter(new SerializeService().SerializeObject(paramterValue));
                        this.Context.Result.Append(base.Context.GetEqString(memberName, parameterName));

                        continue;
                    }
                }

                if ((item is MemberExpression) && ((MemberExpression)item).Expression == null)
                {
                    var    paramterValue = ExpressionTool.DynamicInvoke(item);
                    string parameterName = AppendParameter(paramterValue);
                    this.Context.Result.Append(base.Context.GetEqString(memberName, parameterName));
                }
                else if (IsNotMember(item))
                {
                    if (base.Context.Result.IsLockCurrentParameter == false)
                    {
                        base.Context.Result.CurrentParameter       = parameter;
                        base.Context.Result.IsLockCurrentParameter = true;
                        parameter.IsAppendTempDate();
                        base.Expression = item;
                        base.Expression = (item as UnaryExpression).Operand;
                        base.Start();
                        parameter.IsAppendResult();
                        var result = this.Context.DbMehtods.IIF(new MethodCallExpressionModel()
                        {
                            Args = new List <MethodCallExpressionArgs>()
                            {
                                new MethodCallExpressionArgs()
                                {
                                    IsMember = true, MemberName = parameter.CommonTempData.ObjToString() + "=1"
                                },
                                new MethodCallExpressionArgs()
                                {
                                    IsMember = true, MemberName = AppendParameter(0)
                                },
                                new MethodCallExpressionArgs()
                                {
                                    IsMember = true, MemberName = AppendParameter(1)
                                }
                            }
                        });
                        parameter.Context.Result.Append(base.Context.GetEqString(memberName, result));
                        base.Context.Result.CurrentParameter = null;
                    }
                }
                else if (IsNotParameter(item))
                {
                    try
                    {
                        parameter.Context.Result.Append(base.Context.GetEqString(memberName, AppendParameter(ExpressionTool.DynamicInvoke(item).ObjToBool())));
                    }
                    catch
                    {
                        throw new NotSupportedException(item.ToString());
                    }
                }
                else if (IsMethod(item))
                {
                    if (item is UnaryExpression)
                    {
                        item = (item as UnaryExpression).Operand;
                    }
                    var callMethod = item as MethodCallExpression;
                    if (MethodTimeMapping.Any(it => it.Key == callMethod.Method.Name) || MethodMapping.Any(it => it.Key == callMethod.Method.Name) || IsExtMethod(callMethod.Method.Name) || IsSubMethod(callMethod) || callMethod.Method.DeclaringType.FullName.StartsWith(UtilConstants.AssemblyName + UtilConstants.Dot))
                    {
                        MethodCall(parameter, memberName, item);
                    }
                    else
                    {
                        var    paramterValue = ExpressionTool.DynamicInvoke(item);
                        string parameterName = AppendParameter(paramterValue);
                        this.Context.Result.Append(base.Context.GetEqString(memberName, parameterName));
                    }
                }
                else if (IsConst(item) && IsConvert(item) && UtilMethods.IsNullable(item.Type) && UtilMethods.GetUnderType(item.Type) == UtilConstants.BoolType)
                {
                    item = (item as UnaryExpression).Operand;
                    parameter.Context.Result.Append(base.Context.GetEqString(memberName, GetNewExpressionValue(item)));
                }
                else if (IsConst(item))
                {
                    base.Expression = item;
                    base.Start();
                    string parameterName = this.Context.SqlParameterKeyWord + ExpressionConst.Const + this.Context.ParameterIndex;
                    parameter.Context.Result.Append(base.Context.GetEqString(memberName, parameterName));
                    var addItem  = new SugarParameter(parameterName, parameter.CommonTempData);
                    var dataType = UtilMethods.GetUnderType(item.Type);
                    if (addItem.Value == null && dataType == UtilConstants.DateType)
                    {
                        addItem.DbType = System.Data.DbType.Date;
                    }
                    this.Context.Parameters.Add(addItem);
                    this.Context.ParameterIndex++;
                }
                else if (item is MemberExpression)
                {
                    if (base.Context.Result.IsLockCurrentParameter == false)
                    {
                        base.Context.Result.CurrentParameter       = parameter;
                        base.Context.Result.IsLockCurrentParameter = true;
                        parameter.IsAppendTempDate();
                        base.Expression = item;
                        base.Start();
                        parameter.IsAppendResult();
                        parameter.Context.Result.Append(base.Context.GetEqString(memberName, parameter.CommonTempData.ObjToString()));
                        base.Context.Result.CurrentParameter = null;
                    }
                }
                else if (item is BinaryExpression)
                {
                    var result = GetNewExpressionValue(item);
                    if (result.HasValue())
                    {
                        result = result.Replace(",", UtilConstants.ReplaceCommaKey);
                    }
                    this.Context.Result.Append(base.Context.GetEqString(memberName, result));
                }
                else if (item is MemberInitExpression)
                {
                    try
                    {
                        var value         = ExpressionTool.DynamicInvoke(item);
                        var parameterName = AppendParameter(value);
                        parameter.Context.Result.Append(base.Context.GetEqString(memberName, parameterName));
                    }
                    catch (Exception ex)
                    {
                        throw new NotSupportedException("Not Supported " + item.ToString() + " " + ex.Message);
                    }
                }
                else if (item is NewExpression)
                {
                    try
                    {
                        var value         = ExpressionTool.DynamicInvoke(item);
                        var parameterName = AppendParameter(value);
                        parameter.Context.Result.Append(base.Context.GetEqString(memberName, parameterName));
                    }
                    catch (Exception ex)
                    {
                        throw new NotSupportedException("Not Supported " + item.ToString() + " " + ex.Message);
                    }
                }
                else if (item is ConditionalExpression)
                {
                    var result = GetNewExpressionValue(item);
                    this.Context.Result.Append(base.Context.GetEqString(memberName, result));
                }
            }
        }
예제 #2
0
        private void Update(MemberInitExpression expression, ExpressionParameter parameter)
        {
            int i = 0;

            foreach (MemberBinding binding in expression.Bindings)
            {
                ++i;
                if (binding.BindingType != MemberBindingType.Assignment)
                {
                    throw new NotSupportedException();
                }
                MemberAssignment memberAssignment = (MemberAssignment)binding;
                var type       = expression.Type;
                var memberName = this.Context.GetDbColumnName(type.Name, memberAssignment.Member.Name);
                var item       = memberAssignment.Expression;
                if ((item is MemberExpression) && ((MemberExpression)item).Expression == null)
                {
                    var    paramterValue = ExpressionTool.DynamicInvoke(item);
                    string parameterName = AppendParameter(paramterValue);
                    this.Context.Result.Append(base.Context.GetEqString(memberName, parameterName));
                }
                else if (IsMethod(item))
                {
                    if (item is UnaryExpression)
                    {
                        item = (item as UnaryExpression).Operand;
                    }
                    var callMethod = item as MethodCallExpression;
                    if (MethodTimeMapping.Any(it => it.Key == callMethod.Method.Name) || MethodMapping.Any(it => it.Key == callMethod.Method.Name) || IsExtMethod(callMethod.Method.Name) || IsSubMethod(callMethod) || callMethod.Method.DeclaringType.FullName.StartsWith(UtilConstants.AssemblyName + UtilConstants.Dot))
                    {
                        MethodCall(parameter, memberName, item);
                    }
                    else
                    {
                        var    paramterValue = ExpressionTool.DynamicInvoke(item);
                        string parameterName = AppendParameter(paramterValue);
                        this.Context.Result.Append(base.Context.GetEqString(memberName, parameterName));
                    }
                }
                else if (IsConst(item))
                {
                    base.Expression = item;
                    base.Start();
                    string parameterName = this.Context.SqlParameterKeyWord + ExpressionConst.Const + this.Context.ParameterIndex;
                    parameter.Context.Result.Append(base.Context.GetEqString(memberName, parameterName));
                    this.Context.Parameters.Add(new SugarParameter(parameterName, parameter.CommonTempData));
                    this.Context.ParameterIndex++;
                }
                else if (item is MemberExpression)
                {
                    if (base.Context.Result.IsLockCurrentParameter == false)
                    {
                        base.Context.Result.CurrentParameter       = parameter;
                        base.Context.Result.IsLockCurrentParameter = true;
                        parameter.IsAppendTempDate();
                        base.Expression = item;
                        base.Start();
                        parameter.IsAppendResult();
                        parameter.Context.Result.Append(base.Context.GetEqString(memberName, parameter.CommonTempData.ObjToString()));
                        base.Context.Result.CurrentParameter = null;
                    }
                }
                else if (item is BinaryExpression)
                {
                    var result = GetNewExpressionValue(item);
                    this.Context.Result.Append(base.Context.GetEqString(memberName, result));
                }
            }
        }