public async Task <IActionResult> Get([FromQuery] BuildingQueryFilter filter,
[FromQuery] BuildingQuerySort sort,
[FromQuery] BuildingQueryProjection projection,
[FromQuery] BuildingQueryPaging paging,
[FromQuery] BuildingQueryOptions options)
{
var validationResult = _service.ValidateGetBuildings(
User, filter, sort, projection, paging, options);
if (!validationResult.Valid)
{
return(BadRequest(validationResult.Result));
}
var result = await _service.QueryBuildingDynamic(
projection, options, filter, sort, paging);
if (options.single_only)
{
if (result == null)
{
return(NotFound(new AppResultBuilder().NotFound()));
}
return(Ok(new AppResultBuilder().Success(result.SingleResult)));
}
return(Ok(new AppResultBuilder().Success(result)));
}
public static DynamicSql SqlSort(this DynamicSql query,
BuildingQuerySort model)
{
query = DynamicSql.DeepClone(query);
var listSorts = new List <string>();
foreach (var s in model._sortsArr)
{
var asc = s[0] == 'a';
var fieldName = s.Remove(0, 1);
switch (fieldName)
{
case BuildingQuerySort.NAME:
{
listSorts.Add($"{nameof(Building)}" +
$".{nameof(Building.Name)}{(asc ? "" : " DESC")}");
}
break;
}
}
if (listSorts.Any())
{
var orderByClause = "ORDER BY " + string.Join(',', listSorts);
query.SortClause = orderByClause;
}
return(query);
}
public ValidationResult ValidateGetBuildings(
ClaimsPrincipal principal,
BuildingQueryFilter filter,
BuildingQuerySort sort,
BuildingQueryProjection projection,
BuildingQueryPaging paging,
BuildingQueryOptions options)
{
return(ValidationResult.Pass());
}
public async Task <QueryResult <IDictionary <string, object> > > QueryBuildingDynamic(
BuildingQueryProjection projection,
BuildingQueryOptions options,
BuildingQueryFilter filter = null,
BuildingQuerySort sort = null,
BuildingQueryPaging paging = null)
{
var conn = context.Database.GetDbConnection();
var openConn = conn.OpenAsync();
var query = BuildingQuery.CreateDynamicSql();
#region General
if (filter != null)
{
query = query.SqlFilter(filter);
}
query = query.SqlJoin(projection);
DynamicSql countQuery = null; int?totalCount = null; Task <int> countTask = null;
if (options.count_total)
{
countQuery = query.SqlCount("*");
}
query = query.SqlProjectFields(projection);
#endregion
await openConn;
if (!options.single_only)
{
#region List query
if (sort != null)
{
query = query.SqlSort(sort);
}
if (paging != null && (!options.load_all || !BuildingQueryOptions.IsLoadAllAllowed))
{
query = query.SqlSelectPage(paging.page, paging.limit);
}
#endregion
#region Count query
if (options.count_total)
{
countTask = conn.ExecuteScalarAsync <int>(
sql: countQuery.PreparedForm,
param: countQuery.DynamicParameters);
}
#endregion
}
var queryResult = await conn.QueryAsync(
sql : query.PreparedForm,
types : query.GetTypesArr(),
map : (objs) => ProcessMultiResults(query, objs),
splitOn : string.Join(',', query.GetSplitOns()),
param : query.DynamicParameters);
if (options.single_only)
{
var single = queryResult.FirstOrDefault();
if (single == null)
{
return(null);
}
var singleResult = GetBuildingDynamic(single, projection, options);
return(new QueryResult <IDictionary <string, object> >()
{
SingleResult = singleResult
});
}
if (options.count_total)
{
totalCount = await countTask;
}
var result = GetBuildingDynamic(queryResult, projection, options, totalCount);
return(result);
}