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SwaggerGen - Improved handling of dictionaries with enum key #3068

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Merged
merged 2 commits into from
Sep 12, 2024
Merged

SwaggerGen - Improved handling of dictionaries with enum key #3068

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72849ce
do not use dictionary keys when it's empty
mkazimierczak-emagine Sep 11, 2024
e4f0c37
test for generating additional properties for dictionary with key of …
mkazimierczak-emagine Sep 12, 2024
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12 changes: 7 additions & 5 deletions src/Swashbuckle.AspNetCore.SwaggerGen/SchemaGenerator/SchemaGenerator.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -350,16 +350,18 @@ private OpenApiSchema CreateArraySchema(DataContract dataContract, SchemaReposit

private OpenApiSchema CreateDictionarySchema(DataContract dataContract, SchemaRepository schemaRepository)
{
if (dataContract.DictionaryKeys != null)
var knownKeysProperties = dataContract.DictionaryKeys?.ToDictionary(
name => name,
_ => GenerateSchema(dataContract.DictionaryValueType, schemaRepository));

if (knownKeysProperties?.Count > 0)
{
// This is a special case where the set of key values is known (e.g. if the key type is an enum)
return new OpenApiSchema
{
Type = "object",
Properties = dataContract.DictionaryKeys.ToDictionary(
name => name,
name => GenerateSchema(dataContract.DictionaryValueType, schemaRepository)),
AdditionalPropertiesAllowed = false,
Properties = knownKeysProperties,
AdditionalPropertiesAllowed = false
};
}
else
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