public static DynamicSql SqlJoin(
this DynamicSql query, ResourceQueryProjection model,
ResourceQueryFilter filter)
{
query = DynamicSql.DeepClone(query);
var joins = model.GetFieldsArr()
.Where(f => ResourceQueryProjection.Joins.ContainsKey(f))
.Select(f => ResourceQueryProjection.Joins[f]);
if (joins.Any())
{
var joinClause = string.Join('\n', joins);
query.DynamicForm = query.DynamicForm
.Replace(DynamicSql.JOIN, joinClause);
if (filter != null)
{
var contentFilters = new List <string>();
if (filter.lang != null)
{
var paramName = query.AddAutoIncrParam(filter.lang);
var resourceContentLang = $"{nameof(ResourceContent)}.{nameof(ResourceContent.Lang)}";
contentFilters.Add($"{resourceContentLang}=@{paramName}");
}
if (contentFilters.Any())
{
var whereClause = "WHERE " + string.Join(" AND ", contentFilters);
query.DynamicForm = query.DynamicForm
.Replace(ResourceQueryPlaceholder.RES_CONTENT_FILTER, whereClause);
}
}
}
return(query);
}
public async Task <IActionResult> Get([FromQuery] ResourceQueryFilter filter,
[FromQuery] ResourceQuerySort sort,
[FromQuery] ResourceQueryProjection projection,
[FromQuery] ResourceQueryPaging paging,
[FromQuery] ResourceQueryOptions options)
{
var validationResult = _service.ValidateGetResources(
User, filter, sort, projection, paging, options);
if (!validationResult.Valid)
{
return(BadRequest(validationResult.Result));
}
var result = await _service.QueryResourceDynamic(
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 async Task <QueryResult <IDictionary <string, object> > > QueryResourceDynamic(
ResourceQueryProjection projection,
ResourceQueryOptions options,
ResourceQueryFilter filter = null,
ResourceQuerySort sort = null,
ResourceQueryPaging paging = null)
{
var query = Resources;
#region General
if (filter != null)
{
query = query.Filter(filter);
}
query = query.Project(projection);
int?totalCount = null;
if (options.count_total)
{
totalCount = query.Count();
}
#endregion
if (!options.single_only)
{
#region List query
if (sort != null)
{
query = query.Sort(sort);
}
if (paging != null && (!options.load_all || !ResourceQueryOptions.IsLoadAllAllowed))
{
query = query.SelectPage(paging.page, paging.limit);
}
#endregion
}
if (options.single_only)
{
var single = query.SingleOrDefault();
if (single == null)
{
return(null);
}
var singleResult = GetResourceDynamic(single, projection, options);
return(new QueryResult <IDictionary <string, object> >()
{
Single = singleResult
});
}
var entities = query.ToList();
var list = GetResourceDynamic(entities, projection, options);
var result = new QueryResult <IDictionary <string, object> >();
result.List = list;
if (options.count_total)
{
result.Count = totalCount;
}
return(result);
}
public ValidationData ValidateGetResources(
ClaimsPrincipal principal,
ResourceQueryFilter filter,
ResourceQuerySort sort,
ResourceQueryProjection projection,
ResourceQueryPaging paging,
ResourceQueryOptions options)
{
return(new ValidationData());
}
public List <IDictionary <string, object> > GetResourceDynamic(
IEnumerable <Resource> rows, ResourceQueryProjection projection,
ResourceQueryOptions options)
{
var list = new List <IDictionary <string, object> >();
foreach (var o in rows)
{
var obj = GetResourceDynamic(o, projection, options);
list.Add(obj);
}
return(list);
}
public static IQueryable <Resource> Project(
this IQueryable <Resource> query, ResourceQueryProjection projection)
{
foreach (var f in projection.GetFieldsArr())
{
if (ResourceQueryProjection.MAPS.ContainsKey(f))
{
foreach (var prop in ResourceQueryProjection.MAPS[f])
{
query = query.Include(prop);
}
}
}
return(query);
}
public QueryResult <IDictionary <string, object> > GetResourceDynamic(
IEnumerable <ResourceQueryRow> rows, ResourceQueryProjection projection,
ResourceQueryOptions options, int?totalCount = null)
{
var list = new List <IDictionary <string, object> >();
foreach (var o in rows)
{
var obj = GetResourceDynamic(o, projection, options);
list.Add(obj);
}
var resp = new QueryResult <IDictionary <string, object> >();
resp.Results = list;
if (options.count_total)
{
resp.TotalCount = totalCount;
}
return(resp);
}
public IDictionary <string, object> GetResourceDynamic(
Resource row, ResourceQueryProjection projection,
ResourceQueryOptions options)
{
var obj = new Dictionary <string, object>();
foreach (var f in projection.GetFieldsArr())
{
switch (f)
{
case ResourceQueryProjection.INFO:
{
var entity = row;
obj["id"] = entity.Id;
obj["name"] = entity.Name;
}
break;
}
}
return(obj);
}
public static DynamicSql SqlProjectFields(
this DynamicSql query, ResourceQueryProjection model)
{
query = DynamicSql.DeepClone(query);
var finalFields = model.GetFieldsArr()
.Where(f => ResourceQueryProjection.Projections.ContainsKey(f))
.Select(f => ResourceQueryProjection.Projections[f]);
if (finalFields.Any())
{
var projectionClause = string.Join(',', finalFields);
query.DynamicForm = query.DynamicForm
.Replace(DynamicSql.PROJECTION, projectionClause);
}
var finalResults = model.GetFieldsArr()
.Where(f => ResourceQueryProjection.Results.ContainsKey(f))
.Select(f => ResourceQueryProjection.Results[f]);
query.MultiResults.AddRange(finalResults);
return(query);
}
public async Task <IActionResult> Get([FromQuery][QueryObject] ResourceQueryFilter filter,
[FromQuery] ResourceQuerySort sort,
[FromQuery] ResourceQueryProjection projection,
[FromQuery] ResourceQueryPaging paging,
[FromQuery] ResourceQueryOptions options)
{
var validationData = _service.ValidateGetResources(
User, filter, sort, projection, paging, options);
if (!validationData.IsValid)
{
return(BadRequest(AppResult.FailValidation(data: validationData)));
}
var result = await _service.QueryResourceDynamic(
projection, options, filter, sort, paging);
if (options.single_only && result == null)
{
return(NotFound(AppResult.NotFound()));
}
return(Ok(AppResult.Success(result)));
}
public static DynamicSql SqlExtras(
this DynamicSql query, ResourceQueryProjection model,
ResourceQueryFilter filter)
{
query = DynamicSql.DeepClone(query);
var extras = model.GetFieldsArr()
.Where(f => ResourceQueryProjection.Extras.ContainsKey(f))
.Select(f => ResourceQueryProjection.Extras[f]);
if (extras.Any())
{
var extraSqls = string.Join(';', extras);
var originalQuery = query.PreparedViewForm;
query.DynamicForm += ";\n" + extraSqls;
query.DynamicForm = query.DynamicForm
.Replace(ResourceQueryPlaceholder.RES_SUB_QUERY, originalQuery);
if (filter != null)
{
if (model.fields.Contains(ResourceQueryProjection.CATEGORIES))
{
var contentFilters = new List <string>();
if (filter.lang != null)
{
var paramName = query.AddAutoIncrParam(filter.lang);
var ecLang = $"{nameof(EntityCategoryContent)}.{nameof(EntityCategoryContent.Lang)}";
contentFilters.Add($"{ecLang}=@{paramName}");
}
if (contentFilters.Any())
{
var whereClause = "WHERE " + string.Join(" AND ", contentFilters);
query.DynamicForm = query.DynamicForm
.Replace(ResourceQueryPlaceholder.CATE_CONTENT_FILTER, whereClause);
}
}
}
}
return(query);
}
public IDictionary <string, object> GetResourceDynamic(
ResourceQueryRow row, ResourceQueryProjection projection,
ResourceQueryOptions options)
{
var obj = new Dictionary <string, object>();
foreach (var f in projection.GetFieldsArr())
{
switch (f)
{
case ResourceQueryProjection.INFO:
{
var entity = row.Resource;
obj["archived"] = entity.Archived;
obj["area_id"] = entity.AreaId;
obj["building_id"] = entity.BuildingId;
obj["code"] = entity.Code;
obj["floor_id"] = entity.FloorId;
obj["id"] = entity.Id;
obj["image_url"] = entity.ImageUrl;
obj["location_id"] = entity.LocationId;
obj["logo_url"] = entity.LogoUrl;
obj["owner_id"] = entity.OwnerId;
obj["phone"] = entity.Phone;
obj["type_id"] = entity.TypeId;
}
break;
case ResourceQueryProjection.CONTENT:
{
var entity = row.Content;
if (entity != null)
{
obj["content_id"] = entity.Id;
obj["lang"] = entity.Lang;
obj["name"] = entity.Name;
obj["description"] = entity.Description;
}
}
break;
case ResourceQueryProjection.CONTENT_CONTENT:
{
var entity = row.Content;
if (entity != null)
{
obj["content"] = entity.Content;
}
}
break;
case ResourceQueryProjection.LOCATION:
{
var entity = row.Location;
obj["location"] = new
{
id = entity.Id,
code = entity.Code,
name = entity.Name,
};
}
break;
case ResourceQueryProjection.AREA:
{
var entity = row.Area;
obj["area"] = new
{
id = entity.Id,
code = entity.Code,
name = entity.Name,
};
}
break;
case ResourceQueryProjection.OWNER:
{
var entity = row.Owner;
obj["owner"] = new
{
id = entity.Id,
code = entity.Code,
name = entity.Name,
};
}
break;
case ResourceQueryProjection.CATEGORIES:
{
var entities = row.Resource.CategoriesOfResources;
obj["categories"] = entities?.Select(o =>
{
var cate = o.Category;
var content = o.CategoryContent;
return(new
{
id = cate.Id,
archived = cate.Archived,
content_id = content.Id,
name = content.Name,
lang = content.Lang
});
}).ToList();
}
break;
}
}
return(obj);
}
public async Task <QueryResult <ResourceQueryRow> > QueryResource(
ResourceQueryFilter filter = null,
ResourceQuerySort sort = null,
ResourceQueryProjection projection = null,
ResourceQueryPaging paging = null,
ResourceQueryOptions options = null)
{
var conn = context.Database.GetDbConnection();
var openConn = conn.OpenAsync();
var query = ResourceQuery.CreateDynamicSql();
#region General
if (filter != null)
{
query = query.SqlFilter(filter);
}
if (projection != null)
{
query = query.SqlJoin(projection, filter);
}
DynamicSql countQuery = null; int?totalCount = null; Task <int> countTask = null;
if (options != null && options.count_total)
{
countQuery = query.SqlCount("*");
}
if (projection != null)
{
query = query.SqlProjectFields(projection);
}
#endregion
await openConn;
if (options != null && !options.single_only)
{
#region List query
if (sort != null)
{
query = query.SqlSort(sort);
}
if (paging != null && (!options.load_all || !ResourceQueryOptions.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
}
if (projection != null)
{
query = query.SqlExtras(projection, filter);
}
var multipleResult = await conn.QueryMultipleAsync(
sql : query.PreparedForm,
param : query.DynamicParameters);
using (multipleResult)
{
var queryResult = multipleResult.Read(
types: query.GetTypesArr(),
map: (objs) => ProcessMultiResults(query, objs),
splitOn: string.Join(',', query.GetSplitOns()));
if (projection != null)
{
var extraKeys = projection.GetFieldsArr()
.Where(f => ResourceQueryProjection.Extras.ContainsKey(f));
IEnumerable <CateOfResQueryRow> categories = null;
foreach (var key in extraKeys)
{
switch (key)
{
case ResourceQueryProjection.CATEGORIES:
categories = GetCategoriesQueryResult(multipleResult);
break;
}
}
ProcessExtras(queryResult, categories);
}
if (options != null && options.single_only)
{
var single = queryResult.FirstOrDefault();
if (single == null)
{
return(null);
}
return(new QueryResult <ResourceQueryRow>
{
SingleResult = single
});
}
if (options != null && options.count_total)
{
totalCount = await countTask;
}
return(new QueryResult <ResourceQueryRow>
{
Results = queryResult,
TotalCount = totalCount
});
}
}