[Rust-Axum] Fix uuid in header params causing compilation errors

bin/configs/manual/rust-axum-header-uuid.yaml

@@ -0,0 +1,9 @@
+generatorName: rust-axum
+outputDir: samples/server/petstore/rust-axum/output/rust-axum-header-uuid
+inputSpec: modules/openapi-generator/src/test/resources/3_0/rust-axum/rust-axum-header-uuid.yaml
+templateDir: modules/openapi-generator/src/main/resources/rust-axum
+generateAliasAsModel: true
+additionalProperties:
+  hideGenerationTimestamp: "true"
+  packageName: rust-axum-header-uui
+enablePostProcessFile: true

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

@@ -45,6 +45,7 @@
 
 import java.io.File;
 import java.io.IOException;
+import java.io.ObjectInputFilter.Config;
 import java.math.BigInteger;
 import java.nio.file.Path;
 import java.util.*;
@@ -552,6 +553,12 @@ public CodegenOperation fromOperation(String path, String httpMethod, Operation
             }
         }
 
+        // Include renderUuidConversionImpl exactly once in the vendorExtensions map when 
+        // at least one `uuid::Uuid` converted from a header value in the resulting Rust code. 
+        final Boolean renderUuidConversionImpl = op.headerParams.stream().anyMatch(h -> h.getDataType().equals(uuidType));
+        if (renderUuidConversionImpl) {
+            additionalProperties.put("renderUuidConversionImpl", "true");
+        }        
         return op;
     }
 

modules/openapi-generator/src/main/resources/rust-axum/header.mustache

@@ -1,4 +1,4 @@
-use std::{convert::TryFrom, fmt, ops::Deref};
+use std::{convert::TryFrom, fmt, ops::Deref{{#renderUuidConversionImpl}}, str::FromStr{{/renderUuidConversionImpl}}};
 
 use chrono::{DateTime, Utc};
 use http::HeaderValue;
@@ -178,3 +178,39 @@ impl TryFrom<IntoHeaderValue<DateTime<Utc>>> for HeaderValue {
         }
     }
 }
+
+{{#renderUuidConversionImpl}}
+// uuid::Uuid
+
+impl TryFrom<HeaderValue> for IntoHeaderValue<uuid::Uuid> {
+    type Error = String;
+
+    fn try_from(hdr_value: HeaderValue) -> Result<Self, Self::Error> {
+        match hdr_value.to_str() {
+            Ok(hdr_value) => match uuid::Uuid::from_str(hdr_value) {
+                Ok(uuid) => Ok(IntoHeaderValue(uuid)),
+                Err(e) => Err(format!("Unable to parse: {} as uuid - {}", hdr_value, e)),
+            },
+            Err(e) => Err(format!(
+                "Unable to convert header {:?} to string {}",
+                hdr_value, e
+            )),
+        }
+    }
+}
+
+impl TryFrom<IntoHeaderValue<uuid::Uuid>> for HeaderValue {
+    type Error = String;
+
+    fn try_from(hdr_value: IntoHeaderValue<uuid::Uuid>) -> Result<Self, Self::Error> {
+        match HeaderValue::from_bytes(hdr_value.0.as_bytes()) {
+            Ok(hdr_value) => Ok(hdr_value),
+            Err(e) => Err(format!(
+                "Unable to convert {:?} to a header: {}",
+                hdr_value, e
+            )),
+        }
+    }
+}
+
+{{/renderUuidConversionImpl}}

modules/openapi-generator/src/test/resources/3_0/rust-axum/rust-axum-header-uuid.yaml

@@ -0,0 +1,32 @@
+# Test deserialization of uuid objects in headers
+openapi: 3.0.0
+info:
+  title: Sample API
+  version: 0.1.9
+paths:
+  /users:
+    post:
+      description: Adds a user to the users database table.
+      parameters: 
+        - $ref: "#/components/parameters/UuidHeaderParam"
+      responses:
+        "201": # status code
+          description: Added row to table!
+          content:
+            application/json:
+              schema:
+                type: string 
+components:
+  schemas: 
+      HeaderUuid:
+        type: string
+        format: uuid
+        example: a9f5a638-728c-479d-af9b-016eb8049ab6
+  parameters: 
+    UuidHeaderParam:
+      name: some_uid
+      in: header
+      required: true
+      description: A uuid transmitted in the header.
+      schema:
+        $ref: "#/components/schemas/HeaderUuid"

samples/server/petstore/rust-axum/output/multipart-v3/.openapi-generator/VERSION

@@ -1 +1 @@
-7.5.0-SNAPSHOT
+7.6.0-SNAPSHOT

samples/server/petstore/rust-axum/output/multipart-v3/README.md

@@ -12,7 +12,7 @@ server, you can easily generate a server stub.
 To see how to make this your own, look here: [README]((https://openapi-generator.tech))
 
 - API version: 1.0.7
-- Generator version: 7.5.0-SNAPSHOT
+- Generator version: 7.6.0-SNAPSHOT
 
 
 

samples/server/petstore/rust-axum/output/openapi-v3/.openapi-generator/VERSION

@@ -1 +1 @@
-7.5.0-SNAPSHOT
+7.6.0-SNAPSHOT

samples/server/petstore/rust-axum/output/openapi-v3/README.md

@@ -12,7 +12,7 @@ server, you can easily generate a server stub.
 To see how to make this your own, look here: [README]((https://openapi-generator.tech))
 
 - API version: 1.0.7
-- Generator version: 7.5.0-SNAPSHOT
+- Generator version: 7.6.0-SNAPSHOT
 
 
 

samples/server/petstore/rust-axum/output/ops-v3/.openapi-generator/VERSION

@@ -1 +1 @@
-7.5.0-SNAPSHOT
+7.6.0-SNAPSHOT

samples/server/petstore/rust-axum/output/ops-v3/README.md

@@ -12,7 +12,7 @@ server, you can easily generate a server stub.
 To see how to make this your own, look here: [README]((https://openapi-generator.tech))
 
 - API version: 0.0.1
-- Generator version: 7.5.0-SNAPSHOT
+- Generator version: 7.6.0-SNAPSHOT
 
 
 

samples/server/petstore/rust-axum/output/petstore-with-fake-endpoints-models-for-testing/.openapi-generator/VERSION

@@ -1 +1 @@
-7.5.0-SNAPSHOT
+7.6.0-SNAPSHOT

samples/server/petstore/rust-axum/output/petstore-with-fake-endpoints-models-for-testing/README.md

@@ -12,7 +12,7 @@ server, you can easily generate a server stub.
 To see how to make this your own, look here: [README]((https://openapi-generator.tech))
 
 - API version: 1.0.0
-- Generator version: 7.5.0-SNAPSHOT
+- Generator version: 7.6.0-SNAPSHOT
 
 
 

samples/server/petstore/rust-axum/output/petstore-with-fake-endpoints-models-for-testing/src/lib.rs

@@ -445,6 +445,7 @@ pub trait Api {
         method: Method,
         host: Host,
         cookies: CookieJar,
+        body: models::TestEndpointParametersRequest,
     ) -> Result<TestEndpointParametersResponse, String>;
 
     /// To test enum parameters.
@@ -457,6 +458,7 @@ pub trait Api {
         cookies: CookieJar,
         header_params: models::TestEnumParametersHeaderParams,
         query_params: models::TestEnumParametersQueryParams,
+        body: Option<models::TestEnumParametersRequest>,
     ) -> Result<TestEnumParametersResponse, String>;
 
     /// test inline additionalProperties.
@@ -478,6 +480,7 @@ pub trait Api {
         method: Method,
         host: Host,
         cookies: CookieJar,
+        body: models::TestJsonFormDataRequest,
     ) -> Result<TestJsonFormDataResponse, String>;
 
     /// To test class name in snake case.
@@ -567,6 +570,7 @@ pub trait Api {
         host: Host,
         cookies: CookieJar,
         path_params: models::UpdatePetWithFormPathParams,
+        body: Option<models::UpdatePetWithFormRequest>,
     ) -> Result<UpdatePetWithFormResponse, String>;
 
     /// uploads an image.