private float GetDisplayOrder(IEnumBroker enumBroker)
{
var lastDisplayed = CollectionUtils.Max(
enumBroker.Load(typeof(TLooseEnumClass), true),
null,
(enumValue1, enumValue2) => enumValue1.DisplayOrder.CompareTo(enumValue2.DisplayOrder));
return(lastDisplayed != null ? lastDisplayed.DisplayOrder + 1 : 0);
}
/// <summary>
/// Import external practitioner from CSV format.
/// </summary>
/// <param name="rows">
/// Each string in the list must contain 4 CSV fields, as follows:
/// 0 - Facility ID
/// 1 - Facility Name
/// 2 - Information Authority ID
/// 3 - Information Authoirty Name
/// </param>
/// <param name="context"></param>
public override void Import(List <string> rows, IUpdateContext context)
{
_enumBroker = context.GetBroker <IEnumBroker>();
_authorities = new List <InformationAuthorityEnum>(_enumBroker.Load <InformationAuthorityEnum>(true));
List <Facility> facilities = new List <Facility>();
foreach (string line in rows)
{
// expect 4 fields in the row
string[] fields = ParseCsv(line, 4);
string facilityId = fields[0];
string facilityName = fields[1];
string facilityDescription = fields[2];
string informationAuthorityId = fields[3];
string informationAuthorityName = fields[4];
// first check if we have it in memory
Facility facility = CollectionUtils.SelectFirst(facilities,
delegate(Facility f) { return(f.Code == facilityId && f.Name == facilityName); });
// if not, check the database
if (facility == null)
{
FacilitySearchCriteria where = new FacilitySearchCriteria();
where.Code.EqualTo(facilityId);
where.Name.EqualTo(facilityName);
IFacilityBroker broker = context.GetBroker <IFacilityBroker>();
facility = CollectionUtils.FirstElement(broker.Find(where));
// if not, create a new instance
if (facility == null)
{
facility = new Facility(facilityId, facilityName, facilityDescription, GetAuthority(informationAuthorityId, informationAuthorityName));
context.Lock(facility, DirtyState.New);
}
facilities.Add(facility);
}
}
}
private void AddEnumValue(string code, IEnumBroker enumBroker, IPersistenceContext persistenceContext)
{
try
{
enumBroker.AddValue(
typeof(TLooseEnumClass),
code,
code,
string.Empty,
GetDisplayOrder(enumBroker),
false);
persistenceContext.SynchState();
}
catch (System.Exception)
{
Platform.Log(LogLevel.Error, string.Format("Cannot add code '{0}' to enumeration '{1}'", code, typeof(TLooseEnumClass).Name));
}
}
/// <summary>
/// Import external practitioner from CSV format.
/// </summary>
/// <param name="rows">
/// Each string in the list must contain 4 CSV fields, as follows:
/// 0 - Facility ID
/// 1 - Facility Name
/// 2 - Information Authority ID
/// 3 - Information Authoirty Name
/// </param>
/// <param name="context"></param>
public override void Import(List<string> rows, IUpdateContext context)
{
_enumBroker = context.GetBroker<IEnumBroker>();
_authorities = new List<InformationAuthorityEnum>(_enumBroker.Load<InformationAuthorityEnum>(true));
List<Facility> facilities = new List<Facility>();
foreach (string line in rows)
{
// expect 4 fields in the row
string[] fields = ParseCsv(line, 4);
string facilityId = fields[0];
string facilityName = fields[1];
string facilityDescription = fields[2];
string informationAuthorityId = fields[3];
string informationAuthorityName = fields[4];
// first check if we have it in memory
Facility facility = CollectionUtils.SelectFirst(facilities,
delegate(Facility f) { return f.Code == facilityId && f.Name == facilityName; });
// if not, check the database
if (facility == null)
{
FacilitySearchCriteria where = new FacilitySearchCriteria();
where.Code.EqualTo(facilityId);
where.Name.EqualTo(facilityName);
IFacilityBroker broker = context.GetBroker<IFacilityBroker>();
facility = CollectionUtils.FirstElement(broker.Find(where));
// if not, create a new instance
if (facility == null)
{
facility = new Facility(facilityId, facilityName, facilityDescription, GetAuthority(informationAuthorityId, informationAuthorityName));
context.Lock(facility, DirtyState.New);
}
facilities.Add(facility);
}
}
}
protected override IEnumerable <IExportItem> ExportCore()
{
using (PersistenceScope scope = new PersistenceScope(PersistenceContextType.Read))
{
IReadContext context = (IReadContext)PersistenceScope.CurrentContext;
IMetadataBroker metaBroker = context.GetBroker <IMetadataBroker>();
IEnumBroker enumBroker = context.GetBroker <IEnumBroker>();
List <Type> enumClasses = CollectionUtils.Sort(metaBroker.ListEnumValueClasses(),
delegate(Type x, Type y) { return(x.FullName.CompareTo(y.FullName)); });
foreach (Type enumClass in enumClasses)
{
EnumerationData data = new EnumerationData();
data.EnumerationClass = enumClass.FullName;
data.Members = CollectionUtils.Map <EnumValue, EnumerationMemberData>(enumBroker.Load(enumClass, true),
delegate(EnumValue v) { return(new EnumerationMemberData(v)); });
yield return(new ExportItem(data));
}
scope.Complete();
}
}
protected override void ImportCore(IEnumerable <IImportItem> items)
{
using (PersistenceScope scope = new PersistenceScope(PersistenceContextType.Update))
{
IUpdateContext context = (IUpdateContext)PersistenceScope.CurrentContext;
context.ChangeSetRecorder.OperationName = this.GetType().FullName;
IMetadataBroker metaBroker = context.GetBroker <IMetadataBroker>();
IEnumBroker enumBroker = context.GetBroker <IEnumBroker>();
IList <Type> enumClasses = metaBroker.ListEnumValueClasses();
foreach (IImportItem item in items)
{
EnumerationData data = (EnumerationData)Read(item.Read(), typeof(EnumerationData));
// find the enum class
Type enumClass = CollectionUtils.SelectFirst(enumClasses,
delegate(Type ec)
{
return(ec.FullName == data.EnumerationClass);
});
if (enumClass == null)
{
Platform.Log(LogLevel.Error, string.Format("{0} is not a valid enumeration class name.", data.EnumerationClass));
continue;
}
IList <EnumValue> existingValues = enumBroker.Load(enumClass, true);
foreach (EnumerationMemberData md in data.Members)
{
// check if a conflicting value exists
// (this can happen if there is existing data in the db with the same value but different code)
EnumValue conflict = CollectionUtils.SelectFirst(existingValues,
delegate(EnumValue v) { return(v.Code != md.Code && v.Value == md.Value); });
if (conflict != null)
{
Platform.Log(LogLevel.Error, string.Format("{0} value {1} conflicts with existing value {2} and will not be imported.",
data.EnumerationClass, md.Code, conflict.Code));
continue;
}
// check if the value already exists
EnumValue value = CollectionUtils.SelectFirst(existingValues,
delegate(EnumValue v) { return(v.Code == md.Code); });
if (value == null)
{
// value does not exist - add it
value = enumBroker.AddValue(enumClass, md.Code, md.Value, md.Description, md.DisplayOrder, md.Deactivated);
existingValues.Add(value);
}
else
{
// value exists - update it
enumBroker.UpdateValue(enumClass, md.Code, md.Value, md.Description, md.DisplayOrder, md.Deactivated);
}
}
context.SynchState();
}
scope.Complete();
}
}
