public async Task <Visit> GetVisit(string visitId)
{
var vid = new Guid(visitId);
UserVisits visitEntity = null;
try
{
using (var db = new VisitsContext(this.Options))
visitEntity = db.UserVisits.Where(v => v.VisitId == vid).FirstOrDefault();
}
catch (Exception exc)
{
throw new RepositoryException("Problem getting a visit.", exc);
}
Visit result = null;
//Convert the entity framework entity (or whatever persistence technology specific entity) to the
//generic repository entity.
if (visitEntity != null)
{
result = new Visit()
{
CityId = visitEntity.CityId,
Created = visitEntity.Created,
StateId = visitEntity.StateId,
User = visitEntity.UserId,
VisitId = visitEntity.VisitId.ToString()
}
}
;
return(result);
}
public async Task SaveVisit(Visit visit)
{
//Convert the generic repository entity to the persistence specific entity.
var visitEntity = new UserVisits()
{
CityId = visit.CityId,
Created = visit.Created,
StateId = (byte)visit.StateId, //This is a type conversion, which would ideally be made the same type all the way through if it can be helped.
UserId = visit.User,
VisitId = new Guid(visit.VisitId)
};
using (var db = new VisitsContext(this.Options))
{
try
{
db.UserVisits.Add(visitEntity);
await db.SaveChangesAsync();
}
catch (Exception exc)
{
throw new RepositoryException("Problem saving a visit.", exc);
}
}
}