/// <summary>
/// Converts a JObject to a series of assignment objects, set to this document.
/// </summary>
/// <param name="data">The data to convert</param>
/// <returns>this</returns>
public IDatabaseObject FromJObject(JObject data) {
foreach (var property in data) {
var value = property.Value as JValue;
var obj = property.Value as JObject;
var array = property.Value as JArray;
if (value != null) {
this.Set(property.Key, value.Value);
}
else if (obj != null) {
DocumentValue document = new DocumentValue();
document.FromJObject(obj);
this.Set(property.Key, document.ToObject());
}
else if (array != null) {
CollectionValue collection = new CollectionValue();
collection.FromJObject(array);
this.Set(property.Key, collection.ToObject());
}
}
return this;
}
/// <summary>
/// Query a SELECT statement which returns results
/// </summary>
/// <param name="query"></param>
/// <param name="result"></param>
/// <returns></returns>
protected CollectionValue Read(ICompiledQuery query, CollectionValue result) {
if (this.Connection != null && this.Connection.State == ConnectionState.Open) {
using (IDbCommand command = this.Connection.CreateCommand()) {
command.CommandText = query.Compiled.FirstOrDefault();
using (IDataReader reader = command.ExecuteReader()) {
if (reader != null) {
while (reader.Read() == true) {
DocumentValue row = new DocumentValue();
for (int field = 0; field < reader.FieldCount; field++) {
row.Set(reader.GetName(field), reader.GetValue(field));
}
result.Add(row);
}
}
}
}
}
return result;
}
/// <summary>
/// Converts a BsonDocument to a DocumentValue (known to Potato)
/// </summary>
/// <param name="document"></param>
/// <returns></returns>
protected DocumentValue ToDocument(BsonDocument document) {
DocumentValue row = new DocumentValue();
foreach (BsonElement value in document.Elements) {
var dotNetValue = BsonTypeMapper.MapToDotNetValue(value.Value);
if (dotNetValue is ObjectId) {
dotNetValue = dotNetValue.ToString();
}
row.Set(value.Name, dotNetValue);
}
return row;
}
/// <summary>
/// Parse field assignments, similar to conditions, but without the conditionals.
/// </summary>
/// <param name="query"></param>
/// <returns></returns>
protected virtual List<String> ParseAssignments(IDatabaseObject query) {
DocumentValue document = new DocumentValue();
document.AddRange(query.Where(statement => statement is Assignment));
return new List<String>() {
new JArray() {
new JObject() {
new JProperty("$set", document.ToJObject())
}
}.ToString(Formatting.None)
};
}
