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package {{apiPackage}}

import java.io._
import java.util.Date
import {{packageName}}._
import {{modelPackage}}._
{{#imports}}import {{import}}
{{/imports}}
import io.finch.circe._
import io.circe.generic.semiauto._
import com.twitter.concurrent.AsyncStream
import com.twitter.finagle.Service
import com.twitter.finagle.Http
import com.twitter.finagle.http.{Request, Response}
import com.twitter.finagle.http.exp.Multipart.{FileUpload, InMemoryFileUpload, OnDiskFileUpload}
import com.twitter.util.Future
import com.twitter.io.Buf
import io.finch._, items._
import java.io.File

object {{classname}} {
    /**
    * Compiles all service endpoints.
    * @return Bundled compilation of all service endpoints.
    */
    def endpoints(da: DataAccessor) =
    {{#operations}}
        {{#operation}}
            {{{operationId}}}(da){{^-last}} :+:{{/-last}}
        {{/operation}}
    {{/operations}}

    {{#operations}}
        {{#operation}}
        /**
        * {{{description}}}
        * @return And endpoint representing a {{#returnType}}{{returnType}}{{/returnType}}{{^returnType}}Unit{{/returnType}}
        */
        private def {{operationId}}(da: DataAccessor): Endpoint[{{#returnType}}{{returnType}}{{/returnType}}{{^returnType}}Unit{{/returnType}}] =
        {{httpMethod}}({{{vendorExtensions.x-codegen-path}}} {{#allParams}}{{^isPathParam}} :: {{& vendorExtensions.x-codegen-normalized-path-type}}{{/isPathParam}}{{/allParams}}) { {{#hasParams}}({{#allParams}}{{paramName}}: {{{vendorExtensions.x-codegen-normalized-input-type}}}{{^-last}}, {{/-last}}{{/allParams}}) => {{/hasParams}}
            {{#returnType}}
                Ok(da.{{baseName}}_{{operationId}}({{#allParams}}{{paramName}}{{^-last}}, {{/-last}}{{/allParams}}))
            {{/returnType}}
            {{^returnType}}
                da.{{baseName}}_{{operationId}}({{#allParams}}{{paramName}}{{^-last}}, {{/-last}}{{/allParams}})
                NoContent[Unit]
            {{/returnType}}
        } handle {
          case e: Exception => BadRequest(e)
        }

        {{/operation}}
    {{/operations}}

    implicit private def fileUploadToFile(fileUpload: FileUpload) : File = {
        fileUpload match {
            case upload: InMemoryFileUpload =>
                bytesToFile(Buf.ByteArray.Owned.extract(upload.content))
            case upload: OnDiskFileUpload =>
                upload.content
            case _ => null
        }
    }

    private def bytesToFile(input: Array[Byte]): java.io.File = {
        val file = File.createTempFile("tmp{{classname}}", null)
        val output = new FileOutputStream(file)
        output.write(input)
        file
    }

    // This assists in params(string) application (which must be Seq[A] in parameter list) when the param is used as a List[A] elsewhere.
    implicit def seqList[A](input: Seq[A]): List[A] = input.toList
}