/// <summary>
/// Insert a new entity into the database and return the modified entity
/// </summary>
public virtual void Insert(Entity entity)
{
string type = EntityUtils.GetEntityStringType(entity.GetType());
if (!string.IsNullOrEmpty(entity.EntityKey))
{
throw new ArgumentException(
"Provided entity has already been inserted"
);
}
try
{
AttemptInsert(type, entity);
}
catch (ArangoException e) when(e.ErrorNumber == 1203)
{
// collection not found -> create it
arango.CreateCollection(
EntityUtils.CollectionFromType(type),
CollectionType.Document
);
AttemptInsert(type, entity);
}
}
/// <summary>
/// Creates the sessions collection
/// </summary>
private void CreateCollection()
{
arango.CreateCollection(CollectionName, CollectionType.Document);
log.Info(
$"[Unisave] {CollectionName} collection has been created. " +
"This collection is used for storing session data."
);
arango.CreateIndex(
CollectionName,
IndexType.TTL,
new string[] { "expiresAt" },
new JsonObject()
.Add("expireAfter", 0)
);
log.Info(
$"[Unisave] TTL index on collection {CollectionName} has " +
"been created. It makes sure that old sessions get deleted."
);
}