[Julia] correct handling of POST data encodings (#16149)

- detect multipart and urlencoded post data formats correctly on the server side
- generate data types correctly for binary file uploads
- re-generated samples

Author: tanmaykm

modules/openapi-generator/src/main/resources/julia-client/api.mustache

@@ -22,7 +22,7 @@ const _returntypes_{{operationId}}_{{classname}} = Dict{Regex,Type}(
     {{/responses}}
 )
 
-function _oacinternal_{{operationId}}(_api::{{classname}}{{#allParams}}{{#required}}, {{paramName}}::{{dataType}}{{/required}}{{/allParams}};{{#allParams}}{{^required}} {{paramName}}=nothing,{{/required}}{{/allParams}} _mediaType=nothing)
+function _oacinternal_{{operationId}}(_api::{{classname}}{{#allParams}}{{#required}}, {{paramName}}::{{#dataType}}{{#isBinary}}Vector{UInt8}{{/isBinary}}{{^isBinary}}{{dataType}}{{/isBinary}}{{/dataType}}{{/required}}{{/allParams}};{{#allParams}}{{^required}} {{paramName}}=nothing,{{/required}}{{/allParams}} _mediaType=nothing)
 {{#allParams}}
 {{#hasValidation}}
 {{#maxLength}}
@@ -61,7 +61,7 @@ function _oacinternal_{{operationId}}(_api::{{classname}}{{#allParams}}{{#requir
     OpenAPI.Clients.set_param(_ctx.form, "{{#lambda.escapeDollar}}{{baseName}}{{/lambda.escapeDollar}}", {{paramName}}{{#isListContainer}}; collection_format="{{collectionFormat}}"{{/isListContainer}})  # type {{dataType}}
 {{/isFile}}
 {{#isFile}}
-    OpenAPI.Clients.set_param(_ctx.file, "{{#lambda.escapeDollar}}{{baseName}}{{/lambda.escapeDollar}}", {{paramName}})  # type {{dataType}}
+    OpenAPI.Clients.set_param(_ctx.file, "{{#lambda.escapeDollar}}{{baseName}}{{/lambda.escapeDollar}}", {{paramName}})  # type {{#dataType}}{{#isBinary}}Vector{UInt8}{{/isBinary}}{{^isBinary}}{{dataType}}{{/isBinary}}{{/dataType}}
 {{/isFile}}
 {{/formParams}}
     OpenAPI.Clients.set_header_accept(_ctx, [{{#produces}}"{{{mediaType}}}", {{/produces}}])

modules/openapi-generator/src/main/resources/julia-server/api.mustache

@@ -12,8 +12,9 @@ function {{operationId}}_read(handler)
         headers = Dict{String,String}(HTTP.headers(req)){{#headerParams}}
         openapi_params["{{#lambda.escapeDollar}}{{baseName}}{{/lambda.escapeDollar}}"] = OpenAPI.Servers.to_param({{dataType}}, headers, "{{#lambda.escapeDollar}}{{baseName}}{{/lambda.escapeDollar}}", {{#required}}required=true, {{/required}}{{#isListContainer}}collection_format="{{collectionFormat}}", {{/isListContainer}}){{/headerParams}}{{/hasHeaderParams}}{{#hasBodyParam}}{{#bodyParams}}
         openapi_params["{{#lambda.escapeDollar}}{{baseName}}{{/lambda.escapeDollar}}"] = OpenAPI.Servers.to_param_type({{dataType}}, String(req.body)){{/bodyParams}}{{/hasBodyParam}}{{#hasFormParams}}
-        form_data =  HTTP.parse_multipart_form(req){{#formParams}}
-        openapi_params["{{#lambda.escapeDollar}}{{baseName}}{{/lambda.escapeDollar}}"] = OpenAPI.Servers.to_param({{dataType}}, form_data, "{{#lambda.escapeDollar}}{{baseName}}{{/lambda.escapeDollar}}"; multipart=true, isfile={{#isFile}}true{{/isFile}}{{^isFile}}false{{/isFile}}, {{#required}}required=true, {{/required}}{{#isListContainer}}collection_format="{{collectionFormat}}", {{/isListContainer}}){{/formParams}}{{/hasFormParams}}
+        ismultipart = {{#isMultipart}}true{{/isMultipart}}{{^isMultipart}}false{{/isMultipart}}
+        form_data = ismultipart ? HTTP.parse_multipart_form(req) : HTTP.queryparams(String(copy(req.body))){{#formParams}}
+        openapi_params["{{#lambda.escapeDollar}}{{baseName}}{{/lambda.escapeDollar}}"] = OpenAPI.Servers.to_param({{#dataType}}{{#isBinary}}Vector{UInt8}{{/isBinary}}{{^isBinary}}{{dataType}}{{/isBinary}}{{/dataType}}, form_data, "{{#lambda.escapeDollar}}{{baseName}}{{/lambda.escapeDollar}}"; {{#required}}required=true, {{/required}}multipart=ismultipart, isfile={{#isFile}}true{{/isFile}}{{^isFile}}false{{/isFile}}, {{#required}}required=true, {{/required}}{{#isListContainer}}collection_format="{{collectionFormat}}", {{/isListContainer}}){{/formParams}}{{/hasFormParams}}
         req.context[:openapi_params] = openapi_params
 
         return handler(req)

samples/client/petstore/julia/src/apis/api_PetApi.jl

@@ -248,7 +248,7 @@ function _oacinternal_upload_file(_api::PetApi, pet_id::Int64; additional_metada
     _ctx = OpenAPI.Clients.Ctx(_api.client, "POST", _returntypes_upload_file_PetApi, "/pet/{petId}/uploadImage", ["petstore_auth", ])
     OpenAPI.Clients.set_param(_ctx.path, "petId", pet_id)  # type Int64
     OpenAPI.Clients.set_param(_ctx.form, "additionalMetadata", additional_metadata)  # type String
-    OpenAPI.Clients.set_param(_ctx.file, "file", file)  # type String
+    OpenAPI.Clients.set_param(_ctx.file, "file", file)  # type Vector{UInt8}
     OpenAPI.Clients.set_header_accept(_ctx, ["application/json", ])
     OpenAPI.Clients.set_header_content_type(_ctx, (_mediaType === nothing) ? ["multipart/form-data", ] : [_mediaType])
     return _ctx

samples/server/petstore/julia/src/apis/api_PetApi.jl

@@ -175,9 +175,10 @@ function update_pet_with_form_read(handler)
         openapi_params = Dict{String,Any}()
         path_params = HTTP.getparams(req)
         openapi_params["petId"] = OpenAPI.Servers.to_param(Int64, path_params, "petId", required=true, )
-        form_data =  HTTP.parse_multipart_form(req)
-        openapi_params["name"] = OpenAPI.Servers.to_param(String, form_data, "name"; multipart=true, isfile=false, )
-        openapi_params["status"] = OpenAPI.Servers.to_param(String, form_data, "status"; multipart=true, isfile=false, )
+        ismultipart = false
+        form_data = ismultipart ? HTTP.parse_multipart_form(req) : HTTP.queryparams(String(copy(req.body)))
+        openapi_params["name"] = OpenAPI.Servers.to_param(String, form_data, "name"; multipart=ismultipart, isfile=false, )
+        openapi_params["status"] = OpenAPI.Servers.to_param(String, form_data, "status"; multipart=ismultipart, isfile=false, )
         req.context[:openapi_params] = openapi_params
 
         return handler(req)
@@ -206,9 +207,10 @@ function upload_file_read(handler)
         openapi_params = Dict{String,Any}()
         path_params = HTTP.getparams(req)
         openapi_params["petId"] = OpenAPI.Servers.to_param(Int64, path_params, "petId", required=true, )
-        form_data =  HTTP.parse_multipart_form(req)
-        openapi_params["additionalMetadata"] = OpenAPI.Servers.to_param(String, form_data, "additionalMetadata"; multipart=true, isfile=false, )
-        openapi_params["file"] = OpenAPI.Servers.to_param(String, form_data, "file"; multipart=true, isfile=true, )
+        ismultipart = true
+        form_data = ismultipart ? HTTP.parse_multipart_form(req) : HTTP.queryparams(String(copy(req.body)))
+        openapi_params["additionalMetadata"] = OpenAPI.Servers.to_param(String, form_data, "additionalMetadata"; multipart=ismultipart, isfile=false, )
+        openapi_params["file"] = OpenAPI.Servers.to_param(Vector{UInt8}, form_data, "file"; multipart=ismultipart, isfile=true, )
         req.context[:openapi_params] = openapi_params
 
         return handler(req)