support create_dir

Signed-off-by: suyanhanx <[email protected]>

core/src/services/dropbox/backend.rs

@@ -48,14 +48,25 @@ impl Accessor for DropboxBackend {
         ma.set_scheme(Scheme::Dropbox)
             .set_root(&self.core.root)
             .set_capability(Capability {
+                stat: true,
+
                 read: true,
+
                 write: true,
+
+                create_dir: true,
+
                 delete: true,
+
                 ..Default::default()
             });
         ma
     }
 
+    async fn create_dir(&self, path: &str, args: OpCreateDir) -> Result<RpCreateDir> {
+
+    }
+
     async fn read(&self, path: &str, _args: OpRead) -> Result<(RpRead, Self::Reader)> {
         let resp = self.core.dropbox_get(path).await?;
         let status = resp.status();

core/src/services/dropbox/core.rs

@@ -114,6 +114,22 @@ impl DropboxCore {
         self.client.send(request).await
     }
 
+    pub async fn dropbox_create_folder(&self, path: &str) -> Result<Response<IncomingAsyncBody>>{
+        let url = "https://api.dropboxapi.com/2/files/create_folder_v2".to_string();
+        let args = DropboxCreateFolderArgs {
+            path: build_rooted_abs_path(&self.root, path),
+        };
+
+        let bs = Bytes::from(serde_json::to_string(&args).map_err(new_json_serialize_error)?);
+
+        let request = self
+            .build_auth_header(Request::post(&url))
+            .header(header::CONTENT_TYPE, "application/json")
+            .body(AsyncBody::Bytes(bs))
+            .map_err(new_request_build_error)?;
+        self.client.send(request).await
+    }
+
     pub async fn dropbox_get_metadata(&self, path: &str) -> Result<Response<IncomingAsyncBody>> {
         let url = "https://api.dropboxapi.com/2/files/get_metadata".to_string();
         let args = DropboxMetadataArgs {
@@ -157,6 +173,11 @@ struct DropboxDeleteArgs {
     path: String,
 }
 
+#[derive(Clone, Debug, Deserialize, Serialize)]
+struct DropboxCreateFolderArgs {
+    path: String,
+}
+
 #[derive(Clone, Debug, Deserialize, Serialize)]
 struct DropboxMetadataArgs {
     include_deleted: bool,