scala-play-server.app.apiController.scala.mustache Maven / Gradle / Ivy

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package {{package}}

{{#generateCustomExceptions}}
import {{basePackage}}.OpenApiExceptions
{{/generateCustomExceptions}}
import javax.inject.{Inject, Singleton}
import play.api.libs.json._
import play.api.mvc._
{{#supportAsync}}
import scala.concurrent.{ExecutionContext, Future}
{{/supportAsync}}
{{#imports}}
import {{import}}
{{/imports}}
{{#operations}}

{{>generatedAnnotation}}
@Singleton
class {{classname}}Controller @Inject()(cc: ControllerComponents, api: {{classname}}){{#supportAsync}}(implicit executionContext: ExecutionContext){{/supportAsync}} extends AbstractController(cc) {
  {{#operation}}
  /**
    * {{httpMethod}} {{contextPath}}{{{path}}}{{#queryParams.0}}?{{/queryParams.0}}{{#queryParams}}{{paramName}}=[value]{{^-last}}&{{/-last}}{{/queryParams}}
    {{#pathParams}}
    {{#description}}
    * @param {{paramName}} {{description}}
    {{/description}}
    {{/pathParams}}
    */
  def {{operationId}}({{#pathParams}}{{paramName}}: {{dataType}}{{^-last}}, {{/-last}}{{/pathParams}}): Action[AnyContent] = Action{{#supportAsync}}.async{{/supportAsync}} { request =>
    {{! Keep the execution result in its own block to prevent redeclaration of parameter names (however unlikely that might be). }}
    def executeApi(): {{>returnTypeOrUnit}} = {
      {{#bodyParams}}
      val {{paramName}} = request.body.asJson.map(_.as[{{dataType}}]){{#required}}.getOrElse {
        {{#generateCustomExceptions}}
        throw new OpenApiExceptions.MissingRequiredParameterException("body", "{{paramName}}")
        {{/generateCustomExceptions}}
        {{^generateCustomExceptions}}
        throw new IllegalArgumentException("Missing required body parameter.")
        {{/generateCustomExceptions}}
      }{{/required}}
      {{/bodyParams}}
      {{#headerParams}}
      val {{paramName}} = request.headers.get("{{baseName}}")
        {{#lambda.indented_8}}{{>app/transformParamValues}}{{/lambda.indented_8}}
      {{/headerParams}}
      {{#queryParams}}
      val {{paramName}} = request.{{#isCollectionFormatMulti}}queryString.get("{{baseName}}"){{/isCollectionFormatMulti}}{{^isCollectionFormatMulti}}getQueryString("{{baseName}}"){{/isCollectionFormatMulti}}
        {{#lambda.indented_8}}{{>app/transformParamValues}}{{/lambda.indented_8}}
      {{/queryParams}}
      {{#formParams}}
      {{#isFile}}
      val {{paramName}} = request.body.asMultipartFormData.flatMap(_.file("{{baseName}}").map(_.ref: {{dataType}}))
        {{#lambda.indented_8}}{{>app/transformParamValues}}{{/lambda.indented_8}}
      {{/isFile}}
      {{^isFile}}
      {{! TODO: Check if this fallback is required }}
      val {{paramName}} = (request.body.asMultipartFormData.map(_.asFormUrlEncoded) orElse request.body.asFormUrlEncoded)
        .flatMap(_.get("{{baseName}}"))
        {{^isCollectionFormatMulti}}
        .flatMap(_.headOption)
        {{/isCollectionFormatMulti}}
        {{#lambda.indented_8}}{{>app/transformParamValues}}{{/lambda.indented_8}}
      {{/isFile}}
      {{/formParams}}
      api.{{operationId}}({{#allParams}}{{paramName}}{{^-last}}, {{/-last}}{{/allParams}})
    }

    {{#supportAsync}}
    executeApi().map { {{#returnType}}result{{/returnType}}{{^returnType}}_{{/returnType}} =>
    {{/supportAsync}}
    {{^supportAsync}}
    {{#returnType}}
    val result = executeApi()
    {{/returnType}}
    {{^returnType}}
    executeApi()
    {{/returnType}}
    {{/supportAsync}}
    {{#returnType}}
    {{#supportAsync}}  {{/supportAsync}}val json = Json.toJson(result)
    {{#supportAsync}}  {{/supportAsync}}Ok(json)
    {{/returnType}}
    {{^returnType}}
    {{#supportAsync}}  {{/supportAsync}}Ok
    {{/returnType}}
    {{#supportAsync}}
    }
    {{/supportAsync}}
  }{{^-last}}

  {{/-last}}
  {{/operation}}


  private def splitCollectionParam(paramValues: String, collectionFormat: String): List[String] = {
    {{! Note: `+` is used to filter empty values when splitting }}
    val splitBy =
      collectionFormat match {
        case "csv" => ",+"
        case "tsv" => "\t+"
        case "ssv" => " +"
        case "pipes" => "|+"
      }

    paramValues.split(splitBy).toList
  }
}
{{/operations}}