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[csharp][generichost] Multi file uploads #21449

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[csharp][generichost] Multi file uploads #21449

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2cd543a
multi file uploads
devhl-labs Jun 22, 2025
b3b71ba
discard samples
devhl-labs Aug 23, 2025
99d943c
discard samples
devhl-labs Aug 23, 2025
2bdc405
merge master
devhl-labs Aug 23, 2025
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devhl-labs Jan 25, 2026
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35 changes: 33 additions & 2 deletions modules/openapi-generator/src/main/resources/csharp/libraries/generichost/api.mustache
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Original file line number Diff line number Diff line change
Expand Up @@ -477,8 +477,11 @@ namespace {{packageName}}.{{apiPackage}}

List<KeyValuePair<string{{nrt?}}, string{{nrt?}}>> formParameterLocalVars = new List<KeyValuePair<string{{nrt?}}, string{{nrt?}}>>();

multipartContentLocalVar.Add(new FormUrlEncodedContent(formParameterLocalVars));{{/-first}}{{^isFile}}{{#required}}
multipartContentLocalVar.Add(new FormUrlEncodedContent(formParameterLocalVars));

{{/-first}}
{{^isFile}}
{{#required}}
formParameterLocalVars.Add(new KeyValuePair<string{{nrt?}}, string{{nrt?}}>("{{baseName}}", ClientUtils.ParameterToString({{paramName}})));

{{/required}}
Expand All @@ -490,13 +493,41 @@ namespace {{packageName}}.{{apiPackage}}
{{/isFile}}
{{#isFile}}
{{#required}}
{{#isContainer}}
foreach (global::System.IO.Stream streamLocalVar in {{paramName}})
{
global::System.Net.Http.StreamContent streamContentLocalVar = new global::System.Net.Http.StreamContent(streamLocalVar);
streamContentLocalVar.Headers.ContentDisposition = new ContentDispositionHeaderValue("form-data")
{
Name = "\"files\"",
FileName = "\"file\""
};
multipartContentLocalVar.Add(streamContentLocalVar);
}

{{/isContainer}}
{{^isContainer}}
multipartContentLocalVar.Add(new StreamContent({{paramName}}));

{{/isContainer}}
{{/required}}
{{^required}}
if ({{paramName}}.IsSet)
{{#isContainer}}
foreach (global::System.IO.Stream streamLocalVar in {{paramName}}.Value)
{
var streamContentLocalVar = new global::System.Net.Http.StreamContent(file);
streamContentLocalVar.Headers.ContentDisposition = new ContentDispositionHeaderValue("form-data")
{
Name = "\"files\"",
FileName = "\"file\""
};
multipartContentLocalVar.Add(streamContentLocalVar);
}
{{/isContainer}}
{{^isContainer}}
multipartContentLocalVar.Add(new StreamContent({{paramName}}.Value));

{{/isContainer}}
{{/required}}
{{/isFile}}
{{/formParams}}
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30 changes: 30 additions & 0 deletions ...urces/3_0/csharp/petstore-with-fake-endpoints-models-for-testing-with-http-signature.yaml
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Expand Up @@ -17,6 +17,36 @@ tags:
- name: user
description: Operations about user
paths:
/upload:
post:
summary: Upload multiple files
operationId: uploadFiles
requestBody:
required: true
content:
multipart/form-data:
schema:
type: object
properties:
files:
type: array
items:
type: string
format: binary
required:
- files
responses:
'200':
description: Files uploaded successfully
content:
application/json:
schema:
type: object
properties:
message:
type: string
fileCount:
type: integer
/roles/report:
get:
responses:
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