multipart/form-data

cli/example/multipart-form-data.yaml

@@ -0,0 +1,68 @@
+openapi: 3.0.0
+info:
+    version: 1.0.0
+    title: Multipart form data
+
+paths:
+    "/api":
+        post:
+            responses:
+                200:
+                    description: Response
+            requestBody:
+                $ref: "#/components/requestBodies/Multipart"
+    "/noMaybes":
+        post:
+            responses:
+                200:
+                    description: Response
+            requestBody:
+                $ref: "#/components/requestBodies/MultipartNoMaybes"
+components:
+    requestBodies:
+        Multipart:
+            # https://swagger.io/docs/specification/v3_0/describing-request-body/multipart-requests/
+            content:
+                multipart/form-data: # Media type
+                    schema: # Request payload
+                        type: object
+                        required:
+                          - id
+                        properties: # Request parts
+                            id: # Part 1 (string value)
+                                type: string
+                                format: uuid
+                            address: # Part2 (object)
+                                type: object
+                                properties:
+                                    street:
+                                        type: string
+                                    city:
+                                        type: string
+                            profileImage: # Part 3 (an image)
+                                type: string
+                                format: binary
+        MultipartNoMaybes:
+            # https://swagger.io/docs/specification/v3_0/describing-request-body/multipart-requests/
+            content:
+                multipart/form-data: # Media type
+                    schema: # Request payload
+                        type: object
+                        required:
+                          - id
+                          - address
+                          - profileImage
+                        properties: # Request parts
+                            id: # Part 1 (string value)
+                                type: string
+                                format: uuid
+                            address: # Part2 (object)
+                                type: object
+                                properties:
+                                    street:
+                                        type: string
+                                    city:
+                                        type: string
+                            profileImage: # Part 3 (an image)
+                                type: string
+                                format: binary

cli/example/src/Example.elm

@@ -11,6 +11,7 @@ import GithubV3RestApi.Api
 import GithubV3RestApi.Types
 import MarioPartyStats.Api
 import MarioPartyStats.Types
+import MultipartFormData.Api
 import NullableEnum.Json
 import OpenApi.Common
 import PatreonApi.Api
@@ -45,6 +46,9 @@ init () =
     let
         _ =
             SimpleRef.Json.decodeForbidden
+
+        _ =
+            MultipartFormData.Api.api
     in
     ( {}
     , Cmd.batch

cli/src/TestGenScript.elm

@@ -51,6 +51,10 @@ run =
         marioPartyStats =
             OpenApi.Config.inputFrom (OpenApi.Config.File "./example/MarioPartyStats.json")
 
+        multipartFormData : OpenApi.Config.Input
+        multipartFormData =
+            OpenApi.Config.inputFrom (OpenApi.Config.File "./example/multipart-form-data.yaml")
+
         nullableEnum : OpenApi.Config.Input
         nullableEnum =
             OpenApi.Config.inputFrom (OpenApi.Config.File "./example/nullable-enum.yaml")
@@ -136,6 +140,7 @@ run =
                 |> OpenApi.Config.withInput cookieAuth
                 |> OpenApi.Config.withInput ifconfigOvh
                 |> OpenApi.Config.withInput marioPartyStats
+                |> OpenApi.Config.withInput multipartFormData
                 |> OpenApi.Config.withInput nullableEnum
                 |> OpenApi.Config.withInput overridingGlobalSecurity
                 |> OpenApi.Config.withInput realworldConduit

src/JsonSchema/Generate.elm

@@ -1,4 +1,4 @@
-module JsonSchema.Generate exposing (schemaToDeclarations)
+module JsonSchema.Generate exposing (multipartFormDataRequestBodyToDeclarations, schemaToDeclarations)
 
 import CliMonad exposing (CliMonad)
 import Common
@@ -16,6 +16,43 @@ import NonEmpty
 import SchemaUtils
 
 
+multipartFormDataRequestBodyToDeclarations : Common.UnsafeName -> Json.Schema.Definitions.Schema -> CliMonad (List CliMonad.Declaration)
+multipartFormDataRequestBodyToDeclarations name schema =
+    SchemaUtils.schemaToType [] schema
+        |> CliMonad.andThen
+            (\{ type_, documentation } ->
+                type_
+                    |> SchemaUtils.typeToAnnotationWithNullable
+                    |> CliMonad.map
+                        (\annotation ->
+                            let
+                                typeName : Common.TypeName
+                                typeName =
+                                    Common.toTypeName name
+                            in
+                            if (Elm.ToString.annotation annotation).signature == typeName then
+                                []
+
+                            else
+                                [ { moduleName = Common.Types Common.RequestBody
+                                  , name = typeName
+                                  , declaration =
+                                        Elm.alias typeName annotation
+                                            |> (case documentation of
+                                                    Nothing ->
+                                                        identity
+
+                                                    Just doc ->
+                                                        Elm.withDocumentation doc
+                                               )
+                                            |> Elm.expose
+                                  , group = "Aliases"
+                                  }
+                                ]
+                        )
+            )
+
+
 schemaToDeclarations : Common.Component -> Common.UnsafeName -> Json.Schema.Definitions.Schema -> CliMonad (List CliMonad.Declaration)
 schemaToDeclarations component name schema =
     SchemaUtils.schemaToType [] schema