2020-01-12 02:41:27 +03:00
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import { Module, DynamicModule, Provider } from '@nestjs/common'
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2020-01-12 10:53:45 +03:00
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import { TelegrafModuleAsyncOptions, TelegrafOptionsFactory } from './interfaces'
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2020-01-12 02:41:27 +03:00
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import { TELEGRAF_MODULE_OPTIONS, TokenInjectionToken } from './telegraf.constants'
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2020-01-12 10:53:45 +03:00
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import { TelegrafService, TelegrafTelegramService } from './'
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2019-02-28 11:29:26 +03:00
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@Module({})
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2020-01-12 01:45:10 +03:00
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export class TelegrafModule {
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2020-01-12 01:36:53 +03:00
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static fromFactory(options: TelegrafModuleAsyncOptions): DynamicModule {
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2019-02-28 11:29:26 +03:00
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return {
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2020-01-12 01:15:32 +03:00
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module: TelegrafModule,
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imports: options.imports || [],
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providers: [
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2020-01-12 01:36:53 +03:00
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...this.createAsyncProviders(options),
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2020-01-12 10:53:45 +03:00
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TelegrafService,
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TelegrafTelegramService,
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2019-02-28 11:29:26 +03:00
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{
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provide: TokenInjectionToken,
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2020-01-12 01:36:53 +03:00
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useClass: options.useClass,
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2019-02-28 11:29:26 +03:00
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},
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],
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2020-01-12 10:53:45 +03:00
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exports: [TelegrafService, TelegrafTelegramService],
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2019-02-28 11:29:26 +03:00
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}
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}
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2020-01-12 01:36:53 +03:00
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private static createAsyncProviders(
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options: TelegrafModuleAsyncOptions,
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): Provider[] {
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if (options.useExisting || options.useFactory) {
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return [this.createAsyncOptionsProvider(options)]
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}
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return [
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this.createAsyncOptionsProvider(options),
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{
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provide: options.useClass,
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useClass: options.useClass,
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},
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]
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}
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private static createAsyncOptionsProvider(
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options: TelegrafModuleAsyncOptions,
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): Provider {
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if (options.useFactory) {
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return {
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provide: TELEGRAF_MODULE_OPTIONS,
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useFactory: options.useFactory,
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inject: options.inject || [],
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}
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}
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return {
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provide: TELEGRAF_MODULE_OPTIONS,
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useFactory: async (optionsFactory: TelegrafOptionsFactory) =>
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await optionsFactory.createTelegrafOptions(),
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inject: [options.useExisting || options.useClass],
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}
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}
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2019-02-28 11:29:26 +03:00
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}
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