public SystemsOfUnitsRepository(QuantityDbContext c) : base(c, c?.SystemsOfUnits)
{
}
public MeasuresRepository(QuantityDbContext c) : base(c, c.Measures)
{
}
public UnitFactorsRepository(QuantityDbContext c) : base(c, c?.UnitFactors)
{
}
public static void Initialize(QuantityDbContext db)
{
InitializeMeasures(db);
InitializeUnits(db);
}
public MeasureTermsRepository(QuantityDbContext c) : base(c, c?.MeasureTerms)
{
}
public UnitTermsRepository(QuantityDbContext c) : base(c, c?.UnitTerms)
{
}
private static void addUnitFactors(List <Core.Units.Data> units, string siSystemId, QuantityDbContext db)
{
foreach (var d in units)
{
if (Math.Abs(d.Factor) < double.Epsilon)
{
continue;
}
var o = db.UnitFactors.FirstOrDefaultAsync(
m => m.SystemOfUnitsId == siSystemId && m.UnitId == d.Id).GetAwaiter().GetResult();
if (!(o is null))
{
continue;
}
db.UnitFactors.Add(
new UnitFactorData()
{
SystemOfUnitsId = siSystemId,
UnitId = d.Id,
Factor = d.Factor
});
}
}
private static void initialize(Core.Units.Data measure, List <Core.Units.Data> units, QuantityDbContext db)
{
addMeasure(measure, db);
addTerms(measure, db.MeasureTerms);
addUnits(units, measure.Id, db);
addTerms(units, db);
addUnitFactors(units, SystemOfUnits.SiSystemId, db);
db.SaveChanges();
}
private static void addUnits(IEnumerable <Core.Units.Data> units, string measureId, QuantityDbContext db)
{
foreach (var d in from d in units
let o = getItem(db.Units, d.Id)
where o is null
select d)
{
db.Units.Add(
new UnitData {
MeasureId = measureId,
Id = d.Id,
Code = d.Code,
Name = d.Name,
Definition = d.Definition
});
}
}