|
static private ToBsonDocumentFromDictionary ( BsonDocument source, IDictionary dictionary, Mdbc.DocumentInput input, IEnumerable |
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| source | BsonDocument | |
| dictionary | IDictionary | |
| input | Mdbc.DocumentInput | |
| properties | IEnumerable |
|
| depth | int | |
| return | BsonDocument | |
/// <summary>
/// Null, empty string, JSON, IConvertibleToBsonDocument, IDictionary.
/// </summary>
// Used for optional -Filter, -Sort, -Project. They may be omitted,
// nulls or empty strings (e.g. nulls converted to strings by PS).
static bool TryBsonDocumentOrNull(object value, out BsonDocument result)
{
if (value == null)
{
result = null;
return(true);
}
value = Actor.BaseObject(value);
if (value is string json)
{
result = json.Length == 0 ? null : MyJson.ToBsonDocument(json);
return(true);
}
//! before IDictionary, mind Mdbc.Dictionary
if (value is IConvertibleToBsonDocument cd)
{
result = cd.ToBsonDocument();
return(true);
}
//! after IConvertibleToBsonDocument
if (value is IDictionary dictionary)
{
result = Actor.ToBsonDocumentFromDictionary(dictionary);
return(true);
}
result = null;
return(false);
}
/// <summary>
/// JSON, IConvertibleToBsonDocument, IDictionary.
/// </summary>
static bool TryBsonDocument(object value, out BsonDocument result)
{
// unwrap, it may be PSObject item of PS array, see _191103_084410
value = BaseObjectNotNull(value);
if (value is string json)
{
result = MyJson.ToBsonDocument(json);
return(true);
}
//! before IDictionary, mind Mdbc.Dictionary
if (value is IConvertibleToBsonDocument cd)
{
result = cd.ToBsonDocument();
return(true);
}
//! after IConvertibleToBsonDocument
if (value is IDictionary dictionary)
{
result = Actor.ToBsonDocumentFromDictionary(dictionary);
return(true);
}
result = null;
return(false);
}
public static PipelineDefinition <BsonDocument, BsonDocument> PipelineDefinition(object value)
{
value = BaseObjectNotNull(value);
// JSON first because it looks very convenient for pipelines
if (value is string json)
{
var bson = MyJson.ToBsonValue(json);
switch (bson.BsonType)
{
case BsonType.Array:
return(bson.AsBsonArray.Select(x => x.AsBsonDocument).ToList());
case BsonType.Document:
return(new BsonDocument[] { bson.AsBsonDocument });
default:
throw new ArgumentException($"JSON: expected array or document, found {bson.BsonType}.");
}
}
//! before IDictionary, mind Mdbc.Dictionary
if (value is IConvertibleToBsonDocument cd)
{
return new BsonDocument[] { cd.ToBsonDocument() }
}
;
//! after IConvertibleToBsonDocument
if (value is IDictionary dictionary)
{
return new BsonDocument[] { Actor.ToBsonDocumentFromDictionary(dictionary) }
}
;
// PS arrays or other collections
if (value is IEnumerable en)
{
var list = new List <BsonDocument>();
foreach (var it in en)
{
list.Add(BsonDocument(it));
}
return(list);
}
// either PipelineDefinition (unlikely but possible) or "Cannot cast X to Y"
return((PipelineDefinition <BsonDocument, BsonDocument>)value);
}
public Dictionary(IDictionary document)
{
if (document == null)
{
throw new ArgumentNullException(nameof(document));
}
if (document is Dictionary that)
{
_document = (BsonDocument)that._document.DeepClone();
}
else
{
_document = Actor.ToBsonDocumentFromDictionary(document);
}
}
/// <summary>
/// JSON, IConvertibleToBsonDocument, IDictionary.
/// </summary>
internal static BsonDocument BsonDocument(object value)
{
// unwrap, it may be PSObject item of PS array, see _191103_084410
value = BaseObjectNotNull(value);
if (value is string json)
{
return(MyJson.ToBsonDocument(json));
}
//! before IDictionary, mind Mdbc.Dictionary
if (value is IConvertibleToBsonDocument cd)
{
return(cd.ToBsonDocument());
}
//! after IConvertibleToBsonDocument
if (value is IDictionary dictionary)
{
return(Actor.ToBsonDocumentFromDictionary(dictionary));
}
throw new InvalidOperationException(Res.CannotConvert2(value.GetType(), nameof(BsonDocument)));
}
