Пример #1
0
        public static Expression <Func <TEntity, bool> > GetFuzzyExpression(FuzzyModel model)
        {
            var func = FuzzyQueryHandlerMapping[model.FuzzyField];

            if (func != default)
            {
                return(func(model));
            }
            else if (PropertiesCache <TEntity> .PropMembers.Contains(model.FuzzyField) &&
                     !PropertiesCache <TEntity> .GetBlockWhereFields().Contains(model.FuzzyField))
            {
                var action = NDelegate
                             .DefaultDomain()
                             .Func <FuzzyModel, Expression <Func <TEntity, bool> > >($@"
Expression<Func<{typeof(TEntity).GetDevelopName()},bool>> exp = default;
if(arg.IgnoreCase) {{
    exp = obj => obj.{model.FuzzyField}.Contains(arg.FuzzyValue,StringComparison.CurrentCultureIgnoreCase);
}} else {{
    exp = obj => obj.{model.FuzzyField}.Contains(arg.FuzzyValue);
}}
return exp;
");
                _dict[model.FuzzyField]  = action;
                FuzzyQueryHandlerMapping = _dict.PrecisioTree();
                return(action(model));
            }
            return(default);
Пример #2
0
        static HttpContextUpdateOperator()
        {
            var stringBuilder = new StringBuilder();
            var propNames     = typeof(TEntity).GetProperties().Select(item => item.Name);
            var allowList     = PropertiesCache <TEntity> .GetAllowUpdateFields();

            stringBuilder.AppendLine($"Expression<Func<{typeof(TEntity).GetDevelopName()},bool>> exp = default;");
            Dictionary <string, string> dict = new Dictionary <string, string>();

            foreach (var name in propNames)
            {
                if (allowList.Contains(name))
                {
                    dict[name] = $"exp = obj => obj.{name} == arg2.{name};";
                }
            }
            stringBuilder.AppendLine(BTFTemplate.GetGroupPrecisionPointBTFScript(dict, "arg1"));
            stringBuilder.AppendLine("return exp;");

            UpdateFieldsHandler += NDelegate
                                   .DefaultDomain()
                                   .UnsafeFunc <string, TEntity, Expression <Func <TEntity, bool> > >(stringBuilder.ToString());
        }
Пример #3
0
        static QueryOperator()
        {
            if (typeof(QueryModel).IsAssignableFrom(typeof(TQueryModel)))
            {
                Action <ISelect <TEntity>, TQueryModel> selectAction = (select, queryModel) =>
                {
                    if (queryModel.Orders != null)
                    {
                        var orderBuilder   = new StringBuilder(queryModel.Orders.Length * 8);
                        var blockWhereList = PropertiesCache <TEntity> .GetBlockWhereFields();

                        foreach (var item in queryModel.Orders)
                        {
                            if (!blockWhereList.Contains(item.FieldName) && (PropertiesCache <TEntity> .PropMembers.Contains(item.FieldName) || TableInfomation <TEntity> .PrimaryKey == item.FieldName))
                            {
                                orderBuilder.Append($"a.\"{item.FieldName}\" ");
                                if (item.IsDesc)
                                {
                                    orderBuilder.Append("DESC,");
                                }
                                else
                                {
                                    orderBuilder.Append("ASC,");
                                }
                            }
                        }
                        if (orderBuilder.Length > 0)
                        {
                            orderBuilder.Length -= 1;
                            select.OrderBy(orderBuilder.ToString());
                        }
                    }
                };
                SelectWhereHandler += selectAction;
            }
        }