add createIndexes prototype

src/command/indexes.rs

@@ -0,0 +1,54 @@
+use crate::*;
+use mongodb::options::IndexModel;
+use serde_json::Value;
+
+#[derive(Deserialize, Debug)]
+#[serde(rename_all = "camelCase")]
+struct CreateIndexesArgs {
+    db_name: String,
+    collection_name: String,
+    models: Vec<IndexModelArgs>,
+}
+
+#[derive(Deserialize, Debug)]
+#[serde(rename_all = "camelCase")]
+struct IndexModelArgs {
+    keys: Value,
+    options: Option<Value>,
+}
+
+impl IndexModelArgs {
+    fn part(self) -> (Value, Option<Value>) {
+        (self.keys, self.options)
+    }
+}
+
+pub fn create_indexes(command: Command) -> CoreOp {
+    let fut = async move {
+        let client = command.get_client();
+        let data = command.data;
+        let args: CreateIndexesArgs = serde_json::from_slice(data.unwrap().as_ref()).unwrap();
+        let db_name = args.db_name;
+        let collection_name = args.collection_name;
+        let models = args.models;
+        let models: Vec<IndexModel> = models
+            .into_iter()
+            .map(|model| {
+                let (keys, options) = model.part();
+                IndexModel {
+                    keys: util::json_to_document(keys).unwrap(),
+                    options: util::maybe_json_to_document(options),
+                }
+            })
+            .collect();
+
+        println!("{:?}", models);
+
+        let database = client.database(&db_name);
+        let collection = database.collection(&collection_name);
+
+        let result = collection.create_indexes(models).unwrap();
+        Ok(util::async_result(&command.args, result))
+    };
+    CoreOp::Async(fut.boxed())
+}

src/command/mod.rs

@@ -2,6 +2,7 @@ mod aggregation;
 mod connect;
 mod delete;
 mod find;
+mod indexes;
 mod insert;
 mod list_collection_names;
 mod list_database_names;
@@ -11,6 +12,7 @@ pub use aggregation::aggregate;
 pub use connect::{connect_with_options, connect_with_uri};
 pub use delete::delete;
 pub use find::find;
+pub use indexes::create_indexes;
 pub use insert::{insert_many, insert_one};
 pub use list_collection_names::list_collection_names;
 pub use list_database_names::list_database_names;

src/lib.rs

@@ -40,6 +40,7 @@ pub enum CommandType {
     Delete,
     Aggregate,
     Update,
+    CreateIndexes,
 }
 
 #[derive(Deserialize)]
@@ -101,6 +102,7 @@ fn op_command(data: &[u8], zero_copy: Option<ZeroCopyBuf>) -> CoreOp {
         CommandType::Delete => command::delete,
         CommandType::Update => command::update,
         CommandType::Aggregate => command::aggregate,
+        CommandType::CreateIndexes => command::create_indexes,
     };
 
     executor(Command::new(args, zero_copy))

test.ts

@@ -144,6 +144,16 @@ test(async function testDeleteMany() {
   assertEquals(deleteCount, 2);
 });
 
+// TODO mongdb_rust official library has not implemented this feature
+// test(async function testCreateIndexes() {
+//   const db = getClient().database("test");
+//   const collection = db.collection("mongo_indexes");
+//   const result = await collection.createIndexes([
+//     { keys: { created_at: 1 }, options: { expireAfterSeconds: 10000 } }
+//   ]);
+//   console.log(result);
+// });
+
 if (await exists(".deno_plugins")) {
   await Deno.remove(".deno_plugins", { recursive: true });
 }

ts/collection.ts

@@ -146,4 +146,34 @@ export class Collection {
     );
     return docs as T[];
   }
+
+  public async createIndexes(
+    models: {
+      keys: Object;
+      options?: {
+        background?: boolean;
+        unique?: boolean;
+        name?: string;
+        partialFilterExpression?: Object;
+        sparse?: boolean;
+        expireAfterSeconds?: number;
+        storageEngine?: Object;
+      };
+    }[]
+  ): Promise<string[]> {
+    const docs = await dispatchAsync(
+      {
+        command_type: CommandType.CreateIndexes,
+        client_id: this.client.clientId
+      },
+      encode(
+        JSON.stringify({
+          dbName: this.dbName,
+          collectionName: this.collectionName,
+          models
+        })
+      )
+    );
+    return docs as string[];
+  }
 }

ts/types.ts

@@ -10,7 +10,8 @@ export enum CommandType {
   InsertMany = "InsertMany",
   Delete = "Delete",
   Update = "Update",
-  Aggregate = "Aggregate"
+  Aggregate = "Aggregate",
+  CreateIndexes = "CreateIndexes"
 }
 
 export interface ObjectId {