fix: Rust-server bytes response fixed to not attempt string conversion

Author: dsteeley

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/RustServerCodegen.java

@@ -1233,10 +1233,6 @@ public CodegenModel fromModel(String name, Schema model) {
                 additionalProperties.put("apiUsesUuid", true);
             }
 
-            if (prop.isByteArray) {
-                additionalProperties.put("apiUsesByteArray", true);
-            }
-
             String xmlName = modelXmlNames.get(prop.dataType);
             if (xmlName != null) {
                 prop.vendorExtensions.put("x-item-xml-name", xmlName);
@@ -1539,11 +1535,6 @@ private void processParam(CodegenParameter param, CodegenOperation op) {
             additionalProperties.put("apiUsesUuid", true);
         }
 
-        // If a parameter uses byte arrays, we need to set a flag.
-        if (param.isByteArray) {
-            additionalProperties.put("apiUsesByteArray", true);
-        }
-
         if (Boolean.TRUE.equals(param.isFreeFormObject)) {
             param.vendorExtensions.put("x-format-string", "{:?}");
             example = null;

modules/openapi-generator/src/main/resources/rust-server/server-response-body-instance.mustache

@@ -44,5 +44,10 @@
       {{/formParams}}
     {{/x-produces-multipart-related}}
   {{/exts}}
+  {{#x-produces-bytes}}
+                                                    *response.body_mut() = BoxBody::new(Full::new(Bytes::from(body.0)));
+  {{/x-produces-bytes}}
+  {{^x-produces-bytes}}
                                                     *response.body_mut() = body_from_string(body);
+  {{/x-produces-bytes}}
 {{/dataType}}

samples/server/petstore/rust-server/output/multipart-v3/Cargo.toml

@@ -18,7 +18,7 @@ server = [
     "multipart", "multipart/server", "swagger/multipart_form",
     "mime_multipart", "swagger/multipart_related",
    "serde_ignored", "hyper", "percent-encoding", "url",
-   
+   "lazy_static", "regex"
 ]
 cli = [
   "anyhow", "clap", "clap-verbosity-flag", "simple_logger", "tokio"
@@ -46,8 +46,6 @@ log = "0.4.27"
 
 mime = "0.3"
 mockall = { version = "0.13.1", optional = true }
-lazy_static = "1.5"
-regex = "1.12"
 
 
 serde = { version = "1.0", features = ["derive"] }
@@ -70,6 +68,8 @@ url = { version = "2.5", optional = true }
 tower-service = "0.3.3"
 
 # Server, and client callback-specific
+lazy_static = { version = "1.5", optional = true }
+regex = { version = "1.12", optional = true }
 percent-encoding = { version = "2.3.1", optional = true }
 
 # CLI-specific

samples/server/petstore/rust-server/output/openapi-v3/Cargo.toml

@@ -11,13 +11,13 @@ edition = "2018"
 default = ["client", "server"]
 client = [
     "serde_urlencoded",
-    "serde_ignored", "percent-encoding", 
+    "serde_ignored", "percent-encoding", "lazy_static", "regex"
     "hyper", "hyper-util/http1", "hyper-util/http2", "hyper-openssl", "hyper-tls", "native-tls", "openssl", "url"
 ]
 server = [
     "native-tls", "hyper-openssl", "hyper-tls", "openssl",
    "serde_ignored", "hyper", "percent-encoding", "url",
-   
+   "lazy_static", "regex"
 ]
 cli = [
   "anyhow", "clap", "clap-verbosity-flag", "simple_logger", "tokio"
@@ -45,8 +45,6 @@ log = "0.4.27"
 
 mime = "0.3"
 mockall = { version = "0.13.1", optional = true }
-lazy_static = "1.5"
-regex = "1.12"
 
 
 serde = { version = "1.0", features = ["derive"] }
@@ -70,6 +68,8 @@ serde_urlencoded = { version = "0.7.1", optional = true }
 tower-service = "0.3.3"
 
 # Server, and client callback-specific
+lazy_static = { version = "1.5", optional = true }
+regex = { version = "1.12", optional = true }
 percent-encoding = { version = "2.3.1", optional = true }
 
 # CLI-specific

samples/server/petstore/rust-server/output/petstore-with-fake-endpoints-models-for-testing/Cargo.toml

@@ -17,7 +17,7 @@ client = [
 server = [
     "multipart", "multipart/server", "swagger/multipart_form",
    "serde_ignored", "hyper", "percent-encoding", "url",
-   
+   "lazy_static", "regex"
 ]
 cli = [
   "dialoguer",
@@ -46,8 +46,6 @@ log = "0.4.27"
 
 mime = "0.3"
 mockall = { version = "0.13.1", optional = true }
-lazy_static = "1.5"
-regex = "1.12"
 
 
 serde = { version = "1.0", features = ["derive"] }
@@ -72,6 +70,8 @@ serde_urlencoded = { version = "0.7.1", optional = true }
 tower-service = "0.3.3"
 
 # Server, and client callback-specific
+lazy_static = { version = "1.5", optional = true }
+regex = { version = "1.12", optional = true }
 percent-encoding = { version = "2.3.1", optional = true }
 
 # CLI-specific