telegram bot

src/ORM/telegram-subscriptions/telegram-subscriptions.entity.ts

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+import { Column, Entity, Index, PrimaryGeneratedColumn } from 'typeorm';
+
+import { TrackedEntity } from '../utils/TrackedEntity.entity';
+
+@Entity()
+export class TelegramSubscriptionsEntity extends TrackedEntity {
+
+    @PrimaryGeneratedColumn()
+    id: number;
+
+    @Index()
+    @Column({ length: 62, type: 'varchar' })
+    address: string;
+
+    @Column()
+    telegramChatId: number;
+
+
+}

src/ORM/telegram-subscriptions/telegram-subscriptions.module.ts

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+import { Global, Module } from '@nestjs/common';
+import { TypeOrmModule } from '@nestjs/typeorm';
+
+import { TelegramSubscriptionsEntity } from './telegram-subscriptions.entity';
+import { TelegramSubscriptionsService } from './telegram-subscriptions.service';
+
+
+@Global()
+@Module({
+    imports: [TypeOrmModule.forFeature([TelegramSubscriptionsEntity])],
+    providers: [TelegramSubscriptionsService],
+    exports: [TypeOrmModule, TelegramSubscriptionsService],
+})
+export class TelegramSubscriptionsModule { }

src/ORM/telegram-subscriptions/telegram-subscriptions.service.ts

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+import { Injectable } from '@nestjs/common';
+import { InjectRepository } from '@nestjs/typeorm';
+import { Repository } from 'typeorm';
+
+import { TelegramSubscriptionsEntity } from './telegram-subscriptions.entity';
+
+
+@Injectable()
+export class TelegramSubscriptionsService {
+    constructor(
+        @InjectRepository(TelegramSubscriptionsEntity)
+        private telegramSubscriptions: Repository<TelegramSubscriptionsEntity>
+    ) {
+
+    }
+
+    public async getSubscriptions(address: string) {
+        return await this.telegramSubscriptions.find({ where: { address } })
+    }
+
+    public async saveSubscription(chatId: number, address: string) {
+        return await this.telegramSubscriptions.save({
+            telegramChatId: chatId,
+            address
+        });
+    }
+}