internal static SubscriptionCreationOptions CreateSubscriptionOptionsFromGeneric <T>(
DocumentConventions conventions,
SubscriptionCreationOptions criteria,
Expression <Func <T, bool> > predicate,
Expression <Func <T, object> > project,
Action <ISubscriptionIncludeBuilder <T> > includes)
{
criteria ??= new SubscriptionCreationOptions();
var collectionName = conventions.GetCollectionName(typeof(T));
StringBuilder queryBuilder;
if (criteria.Query != null)
{
queryBuilder = new StringBuilder(criteria.Query);
}
else
{
queryBuilder = new StringBuilder();
var tType = typeof(T);
var includeRevisions = tType.IsConstructedGenericType && tType.GetGenericTypeDefinition() == typeof(Revision <>);
if (includeRevisions)
{
collectionName = conventions.GetCollectionName(tType.GenericTypeArguments[0]);
}
queryBuilder.Append("from '");
StringExtensions.EscapeString(queryBuilder, collectionName);
queryBuilder.Append('\'');
if (includeRevisions)
{
queryBuilder.Append(" (Revisions = true)");
}
criteria.Query = queryBuilder.Append(" as doc").ToString();
}
if (predicate != null)
{
var script = predicate.CompileToJavascript(
new JavascriptCompilationOptions(
JsCompilationFlags.BodyOnly,
JavascriptConversionExtensions.MathSupport.Instance,
new JavascriptConversionExtensions.DictionarySupport(),
JavascriptConversionExtensions.LinqMethodsSupport.Instance,
new JavascriptConversionExtensions.SubscriptionsWrappedConstantSupport(conventions),
new JavascriptConversionExtensions.ConstSupport(conventions),
new JavascriptConversionExtensions.ReplaceParameterWithNewName(predicate.Parameters[0], "this"),
JavascriptConversionExtensions.ToStringSupport.Instance,
JavascriptConversionExtensions.DateTimeSupport.Instance,
JavascriptConversionExtensions.TimeSpanSupport.Instance,
JavascriptConversionExtensions.InvokeSupport.Instance,
JavascriptConversionExtensions.NullCoalescingSupport.Instance,
JavascriptConversionExtensions.NestedConditionalSupport.Instance,
JavascriptConversionExtensions.StringSupport.Instance,
new JavascriptConversionExtensions.IdentityPropertySupport(conventions)
));
queryBuilder
.Insert(0, $"declare function predicate() {{ return {script} }}{Environment.NewLine}")
.AppendLine()
.Append("where predicate.call(doc)");
}
if (project != null)
{
var script = project.CompileToJavascript(
new JavascriptCompilationOptions(
JsCompilationFlags.BodyOnly,
JavascriptConversionExtensions.MathSupport.Instance,
new JavascriptConversionExtensions.DictionarySupport(),
JavascriptConversionExtensions.LinqMethodsSupport.Instance,
new JavascriptConversionExtensions.ConstSupport(conventions),
JavascriptConversionExtensions.ToStringSupport.Instance,
JavascriptConversionExtensions.DateTimeSupport.Instance,
JavascriptConversionExtensions.TimeSpanSupport.Instance,
JavascriptConversionExtensions.InvokeSupport.Instance,
JavascriptConversionExtensions.NullCoalescingSupport.Instance,
JavascriptConversionExtensions.StringSupport.Instance,
JavascriptConversionExtensions.NestedConditionalSupport.Instance,
new JavascriptConversionExtensions.ReplaceParameterWithNewName(project.Parameters[0], "doc"),
new JavascriptConversionExtensions.IdentityPropertySupport(conventions),
JavascriptConversionExtensions.CounterSupport.Instance,
JavascriptConversionExtensions.CompareExchangeSupport.Instance,
new JavascriptConversionExtensions.LoadSupport(),
JavascriptConversionExtensions.MemberInit.Instance
));
queryBuilder
.AppendLine()
.Append("select ")
.Append(script);
}
if (includes != null)
{
var builder = new IncludeBuilder <T>(conventions);
includes(builder);
var numberOfIncludesAdded = 0;
if (builder.DocumentsToInclude?.Count > 0)
{
queryBuilder
.AppendLine()
.Append("include ");
foreach (var inc in builder.DocumentsToInclude)
{
var include = "doc." + inc;
if (numberOfIncludesAdded > 0)
{
queryBuilder.Append(",");
}
if (IncludesUtil.RequiresQuotes(include, out var escapedInclude))
{
queryBuilder
.Append("'")
.Append(escapedInclude)
.Append("'");
}
else
{
queryBuilder.Append(QueryToken.IsKeyword(include) ? $"'{include}'" : include);
}
numberOfIncludesAdded++;
}
}
if (builder.AllCounters)
{
if (numberOfIncludesAdded == 0)
{
queryBuilder
.AppendLine()
.Append("include ");
}
var token = CounterIncludesToken.All(string.Empty);
token.WriteTo(queryBuilder);
numberOfIncludesAdded++;
}
else if (builder.CountersToInclude?.Count > 0)
{
if (numberOfIncludesAdded == 0)
{
queryBuilder
.AppendLine()
.Append("include ");
}
foreach (var counterName in builder.CountersToInclude)
{
if (numberOfIncludesAdded > 0)
{
queryBuilder.Append(",");
}
var token = CounterIncludesToken.Create(string.Empty, counterName);
token.WriteTo(queryBuilder);
numberOfIncludesAdded++;
}
}
if (builder.TimeSeriesToInclude != null)
{
foreach (var timeSeriesRange in builder.TimeSeriesToInclude)
{
if (numberOfIncludesAdded == 0)
{
queryBuilder
.AppendLine()
.Append("include ");
}
if (numberOfIncludesAdded > 0)
{
queryBuilder.Append(",");
}
var token = TimeSeriesIncludesToken.Create(string.Empty, timeSeriesRange);
token.WriteTo(queryBuilder);
numberOfIncludesAdded++;
}
}
}
criteria.Query = queryBuilder.ToString();
return(criteria);
}
internal static SubscriptionCreationOptions CreateSubscriptionOptionsFromGeneric <T>(
DocumentConventions conventions,
SubscriptionCreationOptions criteria,
Expression <Func <T, bool> > predicate,
Expression <Func <T, object> > project,
Action <ISubscriptionIncludeBuilder <T> > includes)
{
criteria ??= new SubscriptionCreationOptions();
var collectionName = conventions.GetCollectionName(typeof(T));
if (criteria.Query == null)
{
var tType = typeof(T);
var includeRevisions = tType.IsConstructedGenericType && tType.GetGenericTypeDefinition() == typeof(Revision <>);
if (includeRevisions)
{
collectionName = conventions.GetCollectionName(tType.GenericTypeArguments[0]);
}
var builder = new StringBuilder("from '");
StringExtensions.EscapeString(builder, collectionName);
builder.Append('\'');
if (includeRevisions)
{
builder.Append(" (Revisions = true)");
}
criteria.Query = builder.Append(" as doc").ToString();
}
if (predicate != null)
{
var script = predicate.CompileToJavascript(
new JavascriptCompilationOptions(
JsCompilationFlags.BodyOnly,
JavascriptConversionExtensions.MathSupport.Instance,
new JavascriptConversionExtensions.DictionarySupport(),
JavascriptConversionExtensions.LinqMethodsSupport.Instance,
new JavascriptConversionExtensions.SubscriptionsWrappedConstantSupport(conventions),
new JavascriptConversionExtensions.ConstSupport(conventions),
new JavascriptConversionExtensions.ReplaceParameterWithNewName(predicate.Parameters[0], "this"),
JavascriptConversionExtensions.ToStringSupport.Instance,
JavascriptConversionExtensions.DateTimeSupport.Instance,
JavascriptConversionExtensions.TimeSpanSupport.Instance,
JavascriptConversionExtensions.InvokeSupport.Instance,
JavascriptConversionExtensions.NullCoalescingSupport.Instance,
JavascriptConversionExtensions.NestedConditionalSupport.Instance,
JavascriptConversionExtensions.StringSupport.Instance
));
criteria.Query = $"declare function predicate() {{ return {script} }}{Environment.NewLine}" +
$"{criteria.Query}{Environment.NewLine}" +
"where predicate.call(doc)";
}
if (project != null)
{
var script = project.CompileToJavascript(
new JavascriptCompilationOptions(
JsCompilationFlags.BodyOnly,
JavascriptConversionExtensions.MathSupport.Instance,
new JavascriptConversionExtensions.DictionarySupport(),
JavascriptConversionExtensions.LinqMethodsSupport.Instance,
new JavascriptConversionExtensions.ConstSupport(conventions),
JavascriptConversionExtensions.ToStringSupport.Instance,
JavascriptConversionExtensions.DateTimeSupport.Instance,
JavascriptConversionExtensions.TimeSpanSupport.Instance,
JavascriptConversionExtensions.InvokeSupport.Instance,
JavascriptConversionExtensions.NullCoalescingSupport.Instance,
JavascriptConversionExtensions.StringSupport.Instance,
JavascriptConversionExtensions.NestedConditionalSupport.Instance,
new JavascriptConversionExtensions.ReplaceParameterWithNewName(project.Parameters[0], "doc"),
new JavascriptConversionExtensions.IdentityPropertySupport(conventions),
JavascriptConversionExtensions.CounterSupport.Instance,
JavascriptConversionExtensions.CompareExchangeSupport.Instance,
new JavascriptConversionExtensions.LoadSupport(),
JavascriptConversionExtensions.MemberInit.Instance
));
criteria.Query += Environment.NewLine + "select " + script;
}
if (includes != null)
{
var builder = new IncludeBuilder <T>(conventions);
includes(builder);
if (builder.DocumentsToInclude != null && builder.DocumentsToInclude.Count > 0)
{
criteria.Query += Environment.NewLine + "include ";
var first = true;
foreach (var inc in builder.DocumentsToInclude)
{
var include = "doc." + inc;
if (first == false)
{
criteria.Query += ",";
}
first = false;
if (IncludesUtil.RequiresQuotes(include, out var escapedInclude))
{
criteria.Query += $"'{escapedInclude}'";
}
else
{
criteria.Query += QueryToken.IsKeyword(include) ? $"'{include}'" : include;
}
}
}
}
return(criteria);
}
