feat(decorators): TelegrafGameQuery added

lib/decorators/index.ts

@@ -12,3 +12,4 @@ export * from './telegraf-hashtag.decorator';
 export * from './telegraf-cashtag.decorator';
 export * from './telegraf-action.decorator';
 export * from './telegraf-inline-query.decorator';
+export * from './telegraf-game-query.decorator';

lib/decorators/telegraf-game-query.decorator.ts

@@ -0,0 +1,11 @@
+import { SetMetadata } from '@nestjs/common';
+import { DECORATORS } from '../telegraf.constants';
+
+/**
+ * Registers middleware for handling callback_data actions with game query.
+ *
+ * https://telegraf.js.org/#/?id=inlinequery
+ */
+export function TelegrafGameQuery(): MethodDecorator {
+  return SetMetadata(DECORATORS.GAME_QUERY, {});
+}

lib/telegraf-metadata.accessor.ts

@@ -144,4 +144,11 @@ export class TelegrafMetadataAccessor {
   getTelegrafInlineQueryMetadata(target: Type<any> | Function) {
     return this.reflector.get(DECORATORS.INLINE_QUERY, target);
   }
+
+  isTelegrafGameQuery(target: Type<any> | Function): boolean {
+    if (!target) {
+      return false;
+    }
+    return !!this.reflector.get(DECORATORS.GAME_QUERY, target);
+  }
 }

lib/telegraf.constants.ts

@@ -17,4 +17,5 @@ export const DECORATORS = {
   CASHTAG: `${DECORATORS_PREFIX}/CASHTAG`,
   ACTION: `${DECORATORS_PREFIX}/ACTION`,
   INLINE_QUERY: `${DECORATORS_PREFIX}/INLINE_QUERY`,
+  GAME_QUERY: `${DECORATORS_PREFIX}/GAME_QUERY`,
 };

lib/telegraf.explorer.ts

@@ -99,6 +99,8 @@ export class TelegrafExplorer implements OnModuleInit {
               instance[key],
             );
             this.handleTelegrafInlineQuery(instance, key, telegraf, metadata);
+          } else if (this.metadataAccessor.isTelegrafGameQuery(instance[key])) {
+            this.handleTelegrafGameQuery(instance, key, telegraf);
           }
         },
       );
@@ -233,4 +235,12 @@ export class TelegrafExplorer implements OnModuleInit {
     // @ts-ignore
     telegraf.inlineQuery(metadata.triggers, instance[key].bind(instance));
   }
+
+  handleTelegrafGameQuery(
+    instance: object,
+    key: string,
+    telegraf: Telegraf<ContextMessageUpdate>,
+  ) {
+    telegraf.gameQuery(instance[key].bind(instance));
+  }
 }