public DynamicQueryParamGroupBuilder CreateChildGroup(QueryRelation relation)
{
_paramGroup.CheckDynamicQueryParamGroup();
var childGroup = new DynamicQueryParamGroup {
Relation = relation
};
_paramGroup.ChildGroups.Add(childGroup);
return(new DynamicQueryParamGroupBuilder(childGroup));
}
public static void CheckQueryParamGroup([NotNull] DynamicQueryParamGroup group)
{
if (group == null)
{
throw new ArgumentNullException(nameof(group));
}
if ((group.ChildGroups != null) && group.ChildGroups.Any() && (group.Params != null) && group.Params.Any())
{
throw new Exception("QueryParamGroup中不能同时存在Groups和Params");
}
}
public static void ConverterQueryParamGroup(Type entityType, DynamicQueryParamGroup group,
DynamicQueryKeyValueCollection collection)
{
CheckQueryParamGroup(group);
if (IsParam(group))
{
ConverterQueryParams(entityType, group.Params, collection, group.Relation);
}
else
{
ConverterQueryParamGroups(entityType, group.ChildGroups, collection, group.Relation);
}
}
public void ConverterQueryParamGroup(DynamicQueryParamGroup group, SqlBuiderResult collection, SqlFieldMappings mappings, string
parentKey)
{
CheckQueryParamGroup(group);
if (IsParam(group))
{
ConverterQueryParams(group.Params, collection, group.Relation, mappings, parentKey);
}
else
{
ConverterQueryParamGroups(group.ChildGroups, collection, group.Relation, mappings, parentKey);
}
}
public static void ConverterDynamicQueryParamGroupFieldName(DynamicQueryParamGroup newGroup, DynamicQueryParamGroup old)
{
if (newGroup == null)
{
throw new ArgumentNullException(nameof(newGroup));
}
if (old == null)
{
throw new ArgumentNullException(nameof(old));
}
newGroup.Relation = old.Relation;
if (old.Params != null && old.Params.Any())
{
foreach (var item in old.Params)
{
var param = new DynamicQueryParam();
param.Operator = item.Operator;
param.Field = FieldConverter(item.Field);
//处理特殊情况any
if (item.Operator == QueryOperation.Any)
{
var anyGroup = JsonConvert.DeserializeObject <DynamicQueryParamGroup>(item.Value?.ToString() ?? "");
var newAnyGroup = new DynamicQueryParamGroup();
ConverterDynamicQueryParamGroupFieldName(newAnyGroup, anyGroup);
param.Value = JsonConvert.SerializeObject(newAnyGroup);
}
else
{
param.Value = item.Value;
}
newGroup.Params.Add(param);
}
}
if (old.ChildGroups != null && old.ChildGroups.Any())
{
foreach (var childGroup in old.ChildGroups)
{
var newChildGroup = new DynamicQueryParamGroup();
ConverterDynamicQueryParamGroupFieldName(newChildGroup, childGroup);
newGroup.ChildGroups.Add(newChildGroup);
}
}
}
public static DynamicQuery Converter(DynamicQuery dynamicQuery)
{
if (dynamicQuery == null)
{
return(null);
}
var result = new DynamicQuery(dynamicQuery.Pager);
result.Take = dynamicQuery.Take;
result.Skip = dynamicQuery.Skip;
result.ParamGroup = new DynamicQueryParamGroup();
result.Order = ConverterOrderFieldName(dynamicQuery.Order);
if (dynamicQuery.ParamGroup != null)
{
var newgroup = new DynamicQueryParamGroup();
ConverterDynamicQueryParamGroupFieldName(newgroup, dynamicQuery.ParamGroup);
result.ParamGroup = newgroup;
}
result.Select = ConverterSelectFieldName(dynamicQuery.Select);
return(result);
}
public DynamicQueryParamGroupBuilder(DynamicQueryParamGroup paramGroup)
{
_paramGroup = paramGroup;
ParamBuilder = new DynamicQueryParamBuilder(_paramGroup.Params);
}