/// <summary>
/// Returns values for fields that represent row's primary key
/// </summary>
public IDataStoreKey GetDataStoreKey(string targetName = null)
{
var result = new NameValueDataStoreKey();
foreach (var kdef in Schema.GetKeyFieldDefsForTarget(targetName))
{
result.Add(kdef.GetBackendNameForTarget(targetName), this[kdef.Order]);
}
return(result);
}
public static IMongoQuery ToMongoQuery(this NameValueDataStoreKey key)
{
//return new QueryDocument(key);
var keys = new List <IMongoQuery>();
foreach (var pair in key)
{
keys.Add(Query.EQ(pair.Key, pair.Value.ToBsonValue()));
}
return(Query.And(keys));
}
public static void Delete(MongoDatabase db, ModelBase instance, IDataStoreKey key, object[] extra)
{
var record = asSuitableRecordInstance(instance);
key = key ?? record.DataStoreKey;
var nvkey = key as NameValueDataStoreKey;
if (key != null && nvkey == null)
{
throw new MongoDBDataAccessException(string.Format(StringConsts.KEY_SUPPORT_ERROR));
}
if (nvkey == null)
{
nvkey = new NameValueDataStoreKey();
foreach (var fld in record.Fields)
{
if (fld.KeyField)
{
nvkey.Add(fld.FieldName, fld.ValueAsObject);
}
}
}
var col = db.GetCollection <BsonDocument>(record.TableName);
if (!col.Exists())
{
throw new MongoDBDataAccessException(string.Format(StringConsts.COLLECTION_DOES_NOT_EXIST_ERROR, record.TableName));
}
var query = nvkey != null?nvkey.ToMongoQuery() : Query.Null;
var update = record.ToBSONUpdate();
col.Remove(query);
}
public static void Delete(MongoDatabase db, ModelBase instance, IDataStoreKey key, object[] extra)
{
var record = asSuitableRecordInstance(instance);
key = key ?? record.DataStoreKey;
var nvkey = key as NameValueDataStoreKey;
if (key!=null && nvkey==null)
throw new MongoDBDataAccessException(string.Format(StringConsts.KEY_SUPPORT_ERROR));
if (nvkey==null)
{
nvkey = new NameValueDataStoreKey();
foreach(var fld in record.Fields)
if(fld.KeyField)
nvkey.Add(fld.FieldName, fld.ValueAsObject);
}
var col = db.GetCollection<BsonDocument>(record.TableName);
if (!col.Exists())
throw new MongoDBDataAccessException(string.Format(StringConsts.COLLECTION_DOES_NOT_EXIST_ERROR, record.TableName));
var query = nvkey!=null ? nvkey.ToMongoQuery() : Query.Null;
var update = record.ToBSONUpdate();
col.Remove(query);
}
