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feat(decorators): TelegrafMention added

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This commit is contained in:
Aleksandr Bukhalo 2020-03-19 16:58:27 +03:00
parent 8bd20131a1
commit f5d9cf13b6
4 changed files with 39 additions and 0 deletions
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12
lib/decorators/telegraf-mention.decorator.ts Normal file
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@ -0,0 +1,12 @@
import { SetMetadata } from '@nestjs/common';
import { DECORATORS } from '../telegraf.constants';
/**
* Mention handling.
* @param username Username
*
* https://telegraf.js.org/#/?id=mention
*/
export function TelegrafMention(username: string | string[]): MethodDecorator {
return SetMetadata(DECORATORS.MENTION, { username });
}

11
lib/telegraf-metadata.accessor.ts
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@ -78,4 +78,15 @@ export class TelegrafMetadataAccessor {
getTelegrafEntityMetadata(target: Type<any> | Function) { getTelegrafEntityMetadata(target: Type<any> | Function) {
return this.reflector.get(DECORATORS.ENTITY, target); return this.reflector.get(DECORATORS.ENTITY, target);
} }
isTelegrafMention(target: Type<any> | Function): boolean {
if (!target) {
return false;
}
return !!this.reflector.get(DECORATORS.MENTION, target);
}
getTelegrafMentionMetadata(target: Type<any> | Function) {
return this.reflector.get(DECORATORS.MENTION, target);
}
} }

1
lib/telegraf.constants.ts
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@ -11,4 +11,5 @@ export const DECORATORS = {
HELP: `${DECORATORS_PREFIX}/HELP`, HELP: `${DECORATORS_PREFIX}/HELP`,
SETTINGS: `${DECORATORS_PREFIX}/SETTINGS`, SETTINGS: `${DECORATORS_PREFIX}/SETTINGS`,
ENTITY: `${DECORATORS_PREFIX}/ENTITY`, ENTITY: `${DECORATORS_PREFIX}/ENTITY`,
MENTION: `${DECORATORS_PREFIX}/MENTION`,
}; };

15
lib/telegraf.explorer.ts
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@ -67,6 +67,11 @@ export class TelegrafExplorer implements OnModuleInit {
instance[key], instance[key],
); );
this.handleTelegrafEntity(instance, key, telegraf, metadata); this.handleTelegrafEntity(instance, key, telegraf, metadata);
} else if (this.metadataAccessor.isTelegrafMention(instance[key])) {
const metadata = this.metadataAccessor.getTelegrafMentionMetadata(
instance[key],
);
this.handleTelegrafMention(instance, key, telegraf, metadata);
} }
}, },
); );
@ -142,4 +147,14 @@ export class TelegrafExplorer implements OnModuleInit {
// @ts-ignore // @ts-ignore
telegraf.entity(metadata.entity, instance[key].bind(instance)); telegraf.entity(metadata.entity, instance[key].bind(instance));
} }
handleTelegrafMention(
instance: object,
key: string,
telegraf: Telegraf<ContextMessageUpdate>,
metadata: any,
) {
// @ts-ignore
telegraf.mention(metadata.username, instance[key].bind(instance));
}
} }