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/**
 * NOTE: This class is auto generated by Kora OpenAPI Generator (https://openapi-generator.tech) ({{{generatorVersion}}}).
 * https://openapi-generator.tech
 * Do not edit the class manually.
 */
package {{package}};

import ru.tinkoff.kora.http.server.common.form.MultipartReader;
import ru.tinkoff.kora.http.server.common.handler.HttpServerRequestMapper;
import ru.tinkoff.kora.http.server.common.HttpServerRequest;
{{^isBlocking}}
import java.util.concurrent.CompletionStage;
{{/isBlocking}}

@ru.tinkoff.kora.common.annotation.Generated("openapi generator kora server"){{#discriminator}}{{>typeInfoAnnotation}}{{/discriminator}}
public interface {{classname}}ServerRequestMappers {
{{#operations}}
{{#operation}}
{{#hasFormParams}}
  @ru.tinkoff.kora.common.annotation.Generated("openapi generator kora server")
  final class {{#lambda.titlecase}}{{operationId}}{{/lambda.titlecase}}FormParamRequestMapper implements HttpServerRequestMapper<
  {{#isBlocking}}{{classname}}Controller.{{#lambda.titlecase}}{{operationId}}{{/lambda.titlecase}}FormParam{{/isBlocking}}{{^isBlocking}}
  CompletionStage<{{classname}}Controller.{{#lambda.titlecase}}{{operationId}}{{/lambda.titlecase}}FormParam>{{/isBlocking}}> {
{{#vendorExtensions.requiresFormParamMappers}}
    {{#vendorExtensions.formParamMappers}}
    private ru.tinkoff.kora.http.server.common.handler.StringParameterReader<{{paramType}}> {{paramName}}Converter;
    {{/vendorExtensions.formParamMappers}}

    public {{#lambda.titlecase}}{{operationId}}{{/lambda.titlecase}}FormParamRequestMapper({{#vendorExtensions.formParamMappers}}{{#requireTag}}
      @{{mapperTag}}{{/requireTag}}
      ru.tinkoff.kora.http.server.common.handler.StringParameterReader<{{paramType}}> {{paramName}}Converter{{^last}},{{/last}}
    {{/vendorExtensions.formParamMappers}}) {
    {{#vendorExtensions.formParamMappers}}
       this.{{paramName}}Converter = {{paramName}}Converter;
    {{/vendorExtensions.formParamMappers}}
    }

{{/vendorExtensions.requiresFormParamMappers}}

    @Override public {{#isBlocking}}
    {{classname}}Controller.{{#lambda.titlecase}}{{operationId}}{{/lambda.titlecase}}FormParam{{/isBlocking}}{{^isBlocking}}
    CompletionStage<{{classname}}Controller.{{#lambda.titlecase}}{{operationId}}{{/lambda.titlecase}}FormParam>{{/isBlocking}} apply(HttpServerRequest request) throws Exception {
{{#vendorExtensions.urlEncodedForm}}
      return request.body().asArrayStage().toCompletableFuture().thenApply(bytes -> {
          var bodyString = new String(bytes, java.nio.charset.StandardCharsets.UTF_8);
          var formData = ru.tinkoff.kora.http.server.common.form.FormUrlEncodedServerRequestMapper.read(bodyString);{{#formParams}}
          var {{paramName}}Part = formData.get("{{baseName}}");{{#isArray}}
          var {{paramName}} = {{paramName}}Part == null ? java.util.List.of() : {{paramName}}Part;
          {{/isArray}}{{^isArray}}{{#required}}
          if ({{paramName}}Part == null || {{paramName}}Part.values().isEmpty()) {
            throw ru.tinkoff.kora.http.server.common.HttpServerResponseException.of(400, "Form key '{{baseName}}' is required");
          }
          {{#vendorExtensions.requiresMapper}}
          var {{paramName}} = {{paramName}}Converter.read({{paramName}}Part.values().get(0));
          {{/vendorExtensions.requiresMapper}}{{^vendorExtensions.requiresMapper}}
          var {{paramName}} = {{paramName}}Part.values().get(0);
          {{/vendorExtensions.requiresMapper}}{{/required}}{{^required}}
          {{#vendorExtensions.requiresMapper}}
          var {{paramName}} = ({{paramName}}Part == null || {{paramName}}Part.values().isEmpty()) ? null : {{paramName}}Converter.read({{paramName}}Part.values().get(0));
          {{/vendorExtensions.requiresMapper}}{{^vendorExtensions.requiresMapper}}
          var {{paramName}} = ({{paramName}}Part == null || {{paramName}}Part.values().isEmpty()) ? null : {{paramName}}Part.values().get(0);
          {{/vendorExtensions.requiresMapper}}{{/required}}
        {{/isArray}}
        {{/formParams}}

        return new {{classname}}Controller.{{#lambda.titlecase}}{{operationId}}{{/lambda.titlecase}}FormParam(
          {{#formParams}}{{paramName}}{{^-last}}, {{/-last}}{{/formParams}}
        );
      }){{#isBlocking}}.get(){{/isBlocking}};{{/vendorExtensions.urlEncodedForm}}{{#vendorExtensions.multipartForm}}
      class {{#lambda.titlecase}}{{operationId}}{{/lambda.titlecase}}FormParamState {
      {{#formParams}}  @jakarta.annotation.Nullable
      {{#isFile}}  ru.tinkoff.kora.http.common.form.FormMultipart.FormPart.MultipartFile {{paramName}} = null;
      {{/isFile}}{{^isFile}}  {{{dataType}}} {{paramName}} = null;
      {{/isFile}}{{/formParams}}
      }
      return MultipartReader.read(request)
        .thenApply(parts -> {
          var state = new {{#lambda.titlecase}}{{operationId}}{{/lambda.titlecase}}FormParamState();
          for (var part : parts) {
            switch (part.name()) {
              default:
                break;{{#formParams}}
                case "{{baseName}}":
            {{#isFile}}  state.{{paramName}} = part;
                break;
            {{/isFile}}{{^isFile}}  state.{{paramName}} = new String(part.content(), java.nio.charset.StandardCharsets.UTF_8);
                break;
            {{/isFile}}{{/formParams}}
            }
          }
          {{#formParams}}{{#required}}
          if (state.{{paramName}} == null) {
            throw ru.tinkoff.kora.http.server.common.HttpServerResponseException.of(400, "Form key '{{baseName}}' is required");
          }
          {{/required}}{{/formParams}}
          return new {{classname}}Controller.{{#lambda.titlecase}}{{operationId}}{{/lambda.titlecase}}FormParam(
            {{#formParams}}state.{{paramName}}{{^-last}}, {{/-last}}{{/formParams}}
          );
        })
        {{#isBlocking}}.toCompletableFuture().join(){{/isBlocking}};{{/vendorExtensions.multipartForm}}
    }
  }
{{/hasFormParams}}
{{/operation}}
{{/operations}}
}