public static DynamicSql SqlProjectFields(
this DynamicSql query, ScheduleQueryProjection model)
{
query = DynamicSql.DeepClone(query);
var finalFields = model.GetFieldsArr()
.Where(f => ScheduleQueryProjection.Projections.ContainsKey(f))
.Select(f => ScheduleQueryProjection.Projections[f]);
if (finalFields.Any())
{
var projectionClause = string.Join(',', finalFields);
query.DynamicForm = query.DynamicForm
.Replace(DynamicSql.PROJECTION, projectionClause);
}
var finalResults = model.GetFieldsArr()
.Where(f => ScheduleQueryProjection.Results.ContainsKey(f))
.Select(f => ScheduleQueryProjection.Results[f]);
query.MultiResults.AddRange(finalResults);
return(query);
}
public static DynamicSql SqlJoin(
this DynamicSql query, ScheduleQueryProjection model)
{
query = DynamicSql.DeepClone(query);
var joins = model.GetFieldsArr()
.Where(f => ScheduleQueryProjection.Joins.ContainsKey(f))
.Select(f => ScheduleQueryProjection.Joins[f]);
if (joins.Any())
{
var joinClause = string.Join('\n', joins);
query.DynamicForm = query.DynamicForm
.Replace(DynamicSql.JOIN, joinClause);
}
return(query);
}
public static DynamicSql SqlExtras(
this DynamicSql query, ScheduleQueryProjection model)
{
query = DynamicSql.DeepClone(query);
var extras = model.GetFieldsArr()
.Where(f => ScheduleQueryProjection.Extras.ContainsKey(f))
.Select(f => ScheduleQueryProjection.Extras[f]);
if (extras.Any())
{
var extraSqls = string.Join(';', extras);
var originalQuery = query.PreparedViewForm;
query.DynamicForm += ";\n" + extraSqls;
query.DynamicForm = query.DynamicForm
.Replace(ScheduleQueryPlaceholder.SCHEDULE_SUB_QUERY, originalQuery);
}
return(query);
}
public IDictionary <string, object> GetScheduleDynamic(
ScheduleQueryRow row, ScheduleQueryProjection projection,
ScheduleQueryOptions options)
{
var obj = new Dictionary <string, object>();
foreach (var f in projection.GetFieldsArr())
{
switch (f)
{
case ScheduleQueryProjection.INFO:
{
var entity = row.Schedule;
obj["id"] = entity.Id;
obj["code"] = entity.Code;
obj["name"] = entity.Name;
obj["description"] = entity.Description;
obj["location_id"] = entity.LocationId;
}
break;
case ScheduleQueryProjection.DETAILS:
{
var entities = row.Schedule.ScheduleDetails;
obj["schedule_details"] = entities?.Select(o =>
{
var fromTime = o.FromTime?
.ToTimeZone(options.time_zone, options.culture);
var fromTimeStr = fromTime?
.ToString(options.date_format, options.culture);
var toTime = o.ToTime?
.ToTimeZone(options.time_zone, options.culture);
var toTimeStr = toTime?
.ToString(options.date_format, options.culture);
return(new
{
name = o.Name,
from_time = new
{
display = fromTimeStr,
iso = $"{fromTime?.ToUniversalTime():s}Z"
},
to_time = new
{
display = toTimeStr,
iso = $"{toTime?.ToUniversalTime():s}Z"
},
id = o.Id,
is_default = o.IsDefault,
});
});
}
break;
case ScheduleQueryProjection.LOCATION:
{
var entity = row.Location;
obj["location"] = new
{
id = entity.Id,
name = entity.Name,
code = entity.Code
};
}
break;
case ScheduleQueryProjection.SELECT:
{
var entity = row.Schedule;
obj["id"] = entity.Id;
obj["name"] = entity.Name;
obj["code"] = entity.Code;
}
break;
}
}
return(obj);
}
public async Task <QueryResult <ScheduleQueryRow> > QuerySchedule(
ScheduleQueryFilter filter = null,
ScheduleQuerySort sort = null,
ScheduleQueryProjection projection = null,
ScheduleQueryPaging paging = null,
ScheduleQueryOptions options = null)
{
var conn = context.Database.GetDbConnection();
var openConn = conn.OpenAsync();
var query = ScheduleQuery.CreateDynamicSql();
#region General
if (filter != null)
{
query = query.SqlFilter(filter);
}
if (projection != null)
{
query = query.SqlJoin(projection);
}
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 || !ScheduleQueryOptions.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);
}
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 => ScheduleQueryProjection.Extras.ContainsKey(f));
IEnumerable <ScheduleDetail> details = null;
foreach (var key in extraKeys)
{
switch (key)
{
case ScheduleQueryProjection.DETAILS:
details = multipleResult.Read <ScheduleDetail>().ToList();
break;
}
}
ProcessExtras(queryResult, details);
}
if (options != null && options.single_only)
{
var single = queryResult.FirstOrDefault();
if (single == null)
{
return(null);
}
return(new QueryResult <ScheduleQueryRow>
{
SingleResult = single
});
}
if (options != null && options.count_total)
{
totalCount = await countTask;
}
return(new QueryResult <ScheduleQueryRow>
{
Results = queryResult,
TotalCount = totalCount
});
}
}