public ElectoralDistrict(string name, ElectoralDistrict higherDistrict)
{
Name = name;
HigherDistrict = higherDistrict;
HierarchyPath = higherDistrict == null
? null
: higherDistrict.HierarchyPath == null
? higherDistrict.Id.ToString()
: higherDistrict.HierarchyPath + "\\" + higherDistrict.Id;
}
public static IQueryable <ElectionResult> ByHigherDistrict(
this IQueryable <ElectionResult> items,
ElectoralDistrict district)
{
if (items == null)
{
throw new ArgumentNullException("items");
}
var hierarchyPath = district.HierarchyPath + "\\" + district.Id;
return(items
.Where(electionResult => electionResult.ElectoralDistrict.HierarchyPath.StartsWith(hierarchyPath)));
}
public Election GetOrAdd(string name, ElectoralDistrict district, DateTime date, string dataSourceUrl)
{
var election =
Cache.SingleOrDefault(e => e.Name == name && e.Date == date) ??
this.SingleOrDefault(e => e.Name == name && e.Date == date);
if (election == null)
{
election = new Election
{
Name = name,
ElectoralDistrict = district,
Date = date,
DataSourceUrl = dataSourceUrl
};
Context.Elections.Add(election);
}
return(election);
}
public ElectoralDistrictElection GetOrAdd(Election election, ElectoralDistrict district, string dataSourceUrl)
{
var districtElection = this.SingleOrDefault(
subRegionElection =>
subRegionElection.ElectionId == election.Id &&
subRegionElection.ElectoralDistrictId == district.Id);
if (districtElection == null)
{
districtElection = new ElectoralDistrictElection
{
Election = election,
ElectoralDistrict = district,
DataSourceUrl = dataSourceUrl
};
Context.ElectoralDistrictElection.Add(districtElection);
}
return(districtElection);
}