feat: add optional to output path

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "dragonfly-api"
-version = "2.0.41"
+version = "2.0.42"
 authors = ["Gaius <[email protected]>"]
 edition = "2021"
 license = "Apache-2.0"

pkg/apis/common/v2/common.proto

@@ -336,7 +336,7 @@ message Download {
   // Task piece length.
   int32 piece_length = 10 [(validate.rules).int32.gte = 1];
   // File path to be exported.
-  string output_path = 11 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
+  optional string output_path = 11 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
   // Download timeout.
   optional google.protobuf.Duration timeout = 12 [(validate.rules).duration.required = true];
   // Download rate limit in bytes per second.

proto/common.proto

@@ -330,7 +330,7 @@ message Download {
   // Task piece length.
   int32 piece_length = 10;
   // File path to be exported.
-  string output_path = 11;
+  optional string output_path = 11;
   // Download timeout.
   optional google.protobuf.Duration timeout = 12;
   // Download rate limit in bytes per second.

src/common.v2.rs

@@ -350,8 +350,8 @@ pub struct Download {
     #[prost(int32, tag = "10")]
     pub piece_length: i32,
     /// File path to be exported.
-    #[prost(string, tag = "11")]
-    pub output_path: ::prost::alloc::string::String,
+    #[prost(string, optional, tag = "11")]
+    pub output_path: ::core::option::Option<::prost::alloc::string::String>,
     /// Download timeout.
     #[prost(message, optional, tag = "12")]
     pub timeout: ::core::option::Option<::prost_wkt_types::Duration>,