public VCALENDAR RandomlySchedule(VCALENDAR calendar, IEnumerable<VEVENT> events)
{
var max = events.Count();
var evs = events as IList<VEVENT> ?? events.ToList();
calendar.Events.AddRange(Pick<VEVENT>.UniqueRandomList(With.Between(1, max)).From(evs));
return calendar;
}
public VCALENDAR Hydrate(VCALENDAR dry)
{
if (dry != null)
{
var revents = redis.As<REL_CALENDARS_EVENTS>().GetAll()
.Where(x => x.CalendarId == dry.Id);
if (!revents.NullOrEmpty())
{
var keys = revents.Select(x => x.EventId).ToList();
var events = eventrepository.FindAll(keys);
dry.Events.MergeRange(events);
}
}
return dry;
}
/// <summary>
/// Populates a sparse calendar entity with details from its consitutent entities
/// </summary>
/// <param name="dry">The sparse calendar entity to be populated</param>
/// <returns>
/// The populated calendar entity
/// </returns>
public VCALENDAR Hydrate(VCALENDAR dry)
{
using (var db = factory.OpenDbConnection())
{
var okey = db.SelectParam<VCALENDAR, Guid>(q => q.Id, p => p.Id == dry.Id).FirstOrDefault();
if (okey != Guid.Empty)
{
var revents = db.Select<REL_CALENDARS_EVENTS>(q => q.CalendarId == okey);
if (!revents.NullOrEmpty())
{
var events = eventrepository.FindAll(revents.Select(x => x.EventId).ToList());
dry.Events.MergeRange(eventrepository.HydrateAll(events));
}
}
return dry;
}
}
public VCALENDAR Dehydrate(VCALENDAR full)
{
throw new NotImplementedException();
}
public VCALENDAR Hydrate(VCALENDAR dry)
{
throw new NotImplementedException();
}
public void Patch(VCALENDAR source, IEnumerable<string> fields, IEnumerable<Guid> keys = null)
{
throw new NotImplementedException();
}
public void Save(VCALENDAR entity)
{
throw new NotImplementedException();
}
/// <summary> Patches the given request.</summary>
/// <exception cref="ArgumentNullException">Thrown when one or more required arguments are null.</exception>
/// <exception cref="InvalidOperationException"> Thrown when the requested operation is invalid.</exception>
/// <exception cref="ApplicationException"> Thrown when an Application error condition occurs.</exception>
/// <param name="request"> The request to patch iCalendar instances.</param>
public void Post(PatchCalendars request)
{
try
{
var source = new VCALENDAR
{
ProdId = request.ProductId,
Calscale = request.Scale,
Version = request.Version,
Method = request.Method,
Events = request.Events,
ToDos = request.ToDos,
FreeBusies = request.FreeBusies,
Journals = request.Journals,
TimeZones = request.TimeZones,
};
var fields = new List<string>();
if (!string.IsNullOrEmpty(source.ProdId) || !string.IsNullOrWhiteSpace(source.ProdId))
fields.Add("ProdId");
if (source.Calscale != default(CALSCALE)) fields.Add("Calscale");
if (source.Method != default(METHOD)) fields.Add("Method");
if (!source.Events.NullOrEmpty()) fields.Add("Events");
if (!source.ToDos.NullOrEmpty()) fields.Add("ToDos");
if (!source.FreeBusies.NullOrEmpty()) fields.Add("FreeBusies");
if (!source.Journals.NullOrEmpty()) fields.Add("Journals");
if (!source.TimeZones.NullOrEmpty()) fields.Add("TimeZones");
var calendarIds = !request.CalendarIds.NullOrEmpty()
? request.CalendarIds.Distinct()
: null;
repository.Patch(source, fields, calendarIds);
var key = keyBuilder.Build(request, x => calendarIds).ToString();
RequestContext.RemoveFromCache(Cache, key, nullkey);
}
catch (ArgumentNullException ex)
{
logger.Error(ex.ToString());
throw;
}
catch (InvalidOperationException ex)
{
logger.Error(ex.ToString());
throw;
}
catch (ApplicationException ex)
{
logger.Error(ex.ToString());
throw;
}
catch (Exception ex)
{
logger.Error(ex.ToString()); throw;
}
}
/// <summary> Patches an iCalendar instance in the service repository.</summary>
/// <exception cref="InvalidOperationException"> Thrown when the requested operation is invalid.</exception>
/// <exception cref="ApplicationException"> Thrown when an Application error condition occurs.</exception>
/// <param name="request"> The request to patch an iCalendar instance</param>
public void Post(PatchCalendar request)
{
try
{
var source = new VCALENDAR
{
ProdId = request.ProductId,
Calscale = request.Scale,
Version = request.Version,
Method = request.Method,
Events = request.Events,
ToDos = request.ToDos,
FreeBusies = request.FreeBusies,
Journals = request.Journals,
TimeZones = request.TimeZones,
};
var fields = new List<string>();
if (!string.IsNullOrEmpty(source.ProdId) || !string.IsNullOrEmpty(source.ProdId))
fields.Add("ProdId");
if (source.Calscale != CALSCALE.NONE) fields.Add("Calscale");
if (source.Method != METHOD.NONE) fields.Add("Method");
if (!source.Events.NullOrEmpty()) fields.Add("Events");
if (!source.ToDos.NullOrEmpty()) fields.Add("ToDos");
if (!source.FreeBusies.NullOrEmpty()) fields.Add("FreeBusies");
if (!source.Journals.NullOrEmpty()) fields.Add("Journals");
if (!source.TimeZones.NullOrEmpty()) fields.Add("TimeZones");
repository.Patch(source, fields, request.CalendarId.ToSingleton());
var key = keyBuilder.Build(request, x => x.CalendarId).ToString();
RequestContext.RemoveFromCache(Cache, key);
}
catch (InvalidOperationException ex)
{
logger.Error(ex.ToString());
throw;
}
catch (ApplicationException ex)
{
logger.Error(ex.ToString());
throw;
}
catch (Exception ex)
{
logger.Error(ex.ToString());
throw;
}
}
public VCALENDAR Dehydrate(VCALENDAR full)
{
var dry = full;
if (!dry.Events.NullOrEmpty()) dry.Events.Clear();
if (!dry.ToDos.NullOrEmpty()) dry.ToDos.Clear();
if (!dry.FreeBusies.NullOrEmpty()) dry.FreeBusies.Clear();
if (!dry.Journals.NullOrEmpty()) dry.Journals.Clear();
if (!dry.TimeZones.NullOrEmpty()) dry.TimeZones.Clear();
return dry;
}
public void Patch(VCALENDAR source, IEnumerable<string> fields, IEnumerable<Guid> keys = null)
{
#region construct anonymous fields using expression lambdas
var selection = fields as IList<string> ?? fields.ToList();
Expression<Func<VCALENDAR, object>> primitives = x => new
{
x.ProdId,
x.Method,
x.Calscale,
x.Version
};
Expression<Func<VCALENDAR, object>> relations = x => new
{
x.Events,
x.ToDos,
x.FreeBusies,
x.Journals,
x.TimeZones,
};
//4. Get list of selected relationals
var srelation = relations.GetMemberNames().Intersect(selection);
//5. Get list of selected primitives
var sprimitives = primitives.GetMemberNames().Intersect(selection);
#endregion construct anonymous fields using expression lambdas
var cclient = redis.As<VCALENDAR>();
var okeys = cclient.GetAllKeys().ToArray();
if (!okeys.NullOrEmpty()) redis.Watch(okeys);
#region save (insert or update) relational attributes
if (!srelation.NullOrEmpty())
{
Expression<Func<VCALENDAR, object>> eventsexr = y => y.Events;
if (selection.Contains(eventsexr.GetMemberName()))
{
var events = source.Events;
manager.ExecTrans(transaction =>
{
var orevents = redis.As<REL_CALENDARS_EVENTS>().GetAll().Where(x => keys.Contains(x.CalendarId));
if (!events.NullOrEmpty())
{
eventrepository.SaveAll(events.Distinct());
var revents = keys.SelectMany(x => events.Select(y => new REL_CALENDARS_EVENTS
{
Id = keygenerator.GetNext(),
CalendarId = x,
EventId = y.Id
}));
redis.MergeAll(revents, orevents, transaction);
}
else redis.RemoveAll(orevents, transaction);
});
}
}
#endregion save (insert or update) relational attributes
#region update-only non-relational attributes
if (!sprimitives.NullOrEmpty())
{
Expression<Func<VCALENDAR, object>> prodexpr = x => x.ProdId;
Expression<Func<VCALENDAR, object>> versionexpr = x => x.Version;
Expression<Func<VCALENDAR, object>> scaleexpr = x => x.Calscale;
Expression<Func<VCALENDAR, object>> methodexpr = x => x.Method;
var entities = cclient.GetByIds(keys).ToList();
manager.ExecTrans(transaction =>
{
entities.ForEach(x =>
{
if (selection.Contains(prodexpr.GetMemberName())) x.ProdId = source.ProdId;
if (selection.Contains(versionexpr.GetMemberName())) x.Version = source.Version;
if (selection.Contains(scaleexpr.GetMemberName())) x.Calscale = source.Calscale;
if (selection.Contains(methodexpr.GetMemberName())) x.Method = source.Method;
});
transaction.QueueCommand(x => x.StoreAll(DehydrateAll(entities)));
});
}
#endregion update-only non-relational attributes
}
public void Save(VCALENDAR entity)
{
var keys = redis.As<VCALENDAR>().GetAllKeys();
if (!keys.NullOrEmpty()) redis.Watch(keys.ToArray());
manager.ExecTrans(transaction =>
{
var orevents = redis.As<REL_CALENDARS_EVENTS>().GetAll().Where(x => x.CalendarId == entity.Id);
if (!entity.Events.NullOrEmpty())
{
eventrepository.SaveAll(entity.Events.Distinct());
var revents = entity.Events.Select(x => new REL_CALENDARS_EVENTS
{
Id = keygenerator.GetNext(),
CalendarId = entity.Id,
EventId = x.Id
});
redis.MergeAll(revents, orevents, transaction);
}
else redis.RemoveAll(orevents, transaction);
transaction.QueueCommand(x => x.Store(Dehydrate(entity)));
});
}
/// <summary>
/// Patches fields of an entity in the repository
/// </summary>
/// <param name="source">The source containing patch details</param>
/// <param name="fields">Specfies which fields are used for the patching. The fields are specified in an anonymous variable</param>
/// <param name="keys">Filters the entities to patch by keys. No filter implies all entities are patched</param>
public void Patch(VCALENDAR source, IEnumerable<string> fields, IEnumerable<Guid> keys = null)
{
#region construct anonymous fields using expression lambdas
Expression<Func<VCALENDAR, object>> primitives = x => new
{
x.Version,
x.Method,
x.Calscale
};
Expression<Func<VCALENDAR, object>> relations = x => new
{
x.Events,
x.ToDos,
x.FreeBusies,
x.Journals,
x.TimeZones,
};
var selection = fields as IList<string> ?? fields.ToList();
//4. Get list of selected relationals
var srelation = relations.GetMemberNames().Intersect(selection, StringComparer.OrdinalIgnoreCase);
//5. Get list of selected primitives
var sprimitives = primitives.GetMemberNames().Intersect(selection, StringComparer.OrdinalIgnoreCase);
#endregion construct anonymous fields using expression lambdas
using (var db = factory.OpenDbConnection())
{
using (var transaction = db.BeginTransaction())
{
try
{
var okeys = (!keys.NullOrEmpty())
? db.SelectParam<VCALENDAR, Guid>(q => q.Id, p => Sql.In(p.Id, keys))
: db.SelectParam<VCALENDAR, Guid>(q => q.Id);
if (!srelation.NullOrEmpty())
{
Expression<Func<VCALENDAR, object>> eventsexpr = y => y.Events;
if (selection.Contains(eventsexpr.GetMemberName()))
{
eventrepository.SaveAll(source.Events.Distinct());
var orevents = db.Select<REL_CALENDARS_EVENTS>(q => Sql.In(q.CalendarId, okeys));
if (!source.Events.NullOrEmpty())
{
var revents =
okeys.SelectMany(x => source.Events.Select(y => new REL_CALENDARS_EVENTS
{
Id = keygenerator.GetNext(),
CalendarId = x,
EventId = y.Id
}));
db.RemoveAll(orevents, transaction);
db.SaveAll(revents, transaction);
}
else db.RemoveAll(orevents, transaction);
}
}
if (sprimitives.Any())
{
var patchstr = $"f => new {{ {string.Join(", ", sprimitives.Select(x => $"f.{x}"))} }}";
var patchexpr = patchstr.CompileToExpressionFunc<VCALENDAR, object>(
CodeDomLanguage.csharp,
"System.dll",
"System.Core.dll",
typeof(CalendarWriter).Assembly.Location,
typeof (VCALENDAR).Assembly.Location,
typeof (IContainsKey<Guid>).Assembly.Location);
if (okeys.Any())
db.UpdateOnly(source, patchexpr, q => Sql.In(q.Id, okeys));
else
db.UpdateOnly(source, patchexpr);
}
transaction.Commit();
}
catch (ArgumentNullException)
{
transaction.Rollback();
throw;
}
catch (InvalidOperationException)
{
transaction.Rollback();
throw;
}
catch (ApplicationException)
{
transaction.Rollback(); throw;
}
}
}
}
/// <summary>
/// Inserts a new entity or updates an existing one in the repository
/// </summary>
/// <param name="entity">The entity to save</param>
public void Save(VCALENDAR entity)
{
using (var db = factory.OpenDbConnection())
{
using (var transaction = db.BeginTransaction())
{
try
{
db.Save(entity, transaction);
if (!entity.Events.NullOrEmpty())
{
eventrepository.SaveAll(entity.Events.Distinct());
var revents = entity.Events.Select(x => new REL_CALENDARS_EVENTS
{
Id = keygenerator.GetNext(),
CalendarId = entity.Id,
EventId = x.Id
});
var orevents = db.Select<REL_CALENDARS_EVENTS>(q => q.CalendarId == entity.Id);
db.MergeAll<REL_CALENDARS_EVENTS, Guid>(revents, orevents, transaction);
}
transaction.Commit();
}
catch (ArgumentNullException) { transaction.Rollback(); throw; }
catch (InvalidOperationException) { transaction.Rollback(); throw; }
catch (ApplicationException) { transaction.Rollback(); throw; }
}
}
}
