private static PatchRequest CreatePatchRequest <T>(Expression <Func <JavaScriptArray <T>, object> > arrayAdder, string pathScript, string adderScript,
JavascriptConversionExtensions.CustomMethods extension)
{
var script = $"this.{pathScript}{adderScript}";
if (arrayAdder.Body is MethodCallExpression mce &&
mce.Method.Name == nameof(JavaScriptArray <T> .RemoveAll))
{
script = $"this.{pathScript} = {script}";
}
return(new PatchRequest {
Script = script, Values = extension.Parameters
});
}
public void Patch <T, U>(string id, Expression <Func <T, IEnumerable <U> > > path,
Expression <Func <JavaScriptArray <U>, object> > arrayAdder)
{
var extension = new JavascriptConversionExtensions.CustomMethods
{
Suffix = _customCount++
};
var pathScript = path.CompileToJavascript(_javascriptCompilationOptions);
var adderScript = arrayAdder.CompileToJavascript(
new JavascriptCompilationOptions(
JsCompilationFlags.BodyOnly | JsCompilationFlags.ScopeParameter,
new LinqMethods(), extension));
var patchRequest = CreatePatchRequest(arrayAdder, pathScript, adderScript, extension);
if (TryMergePatches(id, patchRequest) == false)
{
Defer(new PatchCommandData(id, null, patchRequest, null));
}
}
public void AddOrPatch <T, TU>(string id, T entity, Expression <Func <T, List <TU> > > path, Expression <Func <JavaScriptArray <TU>, object> > arrayAdder)
{
var extension = new JavascriptConversionExtensions.CustomMethods {
Suffix = _customCount++
};
var pathScript = path.CompileToJavascript(_javascriptCompilationOptions);
var adderScript = arrayAdder.CompileToJavascript(
new JavascriptCompilationOptions(
JsCompilationFlags.BodyOnly | JsCompilationFlags.ScopeParameter,
new LinqMethods(),
extension,
JavascriptConversionExtensions.ToStringSupport.Instance,
JavascriptConversionExtensions.ConstantSupport.Instance)
);
var patchRequest = CreatePatchRequest(arrayAdder, pathScript, adderScript, extension);
string collectionName = _requestExecutor.Conventions.GetCollectionName(entity);
string clrType = _requestExecutor.Conventions.GetClrTypeName(entity);
var newInstance = JsonConverter.ToBlittable(entity,
new DocumentInfo
{
Id = id,
Collection = collectionName,
MetadataInstance = new MetadataAsDictionary
{
[Constants.Documents.Metadata.Collection] = collectionName, [Constants.Documents.Metadata.RavenClrType] = clrType
}
});
_valsCount++;
Defer(new PatchCommandData(id, null, patchRequest)
{
CreateIfMissing = newInstance
});
}
