data persistance init

src/ORM/client/client.service.ts

@@ -0,0 +1,51 @@
+import { Injectable } from '@nestjs/common';
+import { InjectRepository } from '@nestjs/typeorm';
+import { Repository } from 'typeorm';
+
+import { ClientEntity } from './client.entity';
+
+
+
+
+@Injectable()
+export class ClientService {
+
+    constructor(
+        @InjectRepository(ClientEntity)
+        private clientRepository: Repository<ClientEntity>
+    ) {
+
+    }
+
+    public async save(client: Partial<ClientEntity>) {
+        return await this.clientRepository.save(client);
+    }
+
+    public async delete(id: string) {
+        return await this.clientRepository.softDelete({ id });
+    }
+
+    public async updateBestDifficulty(id: string, bestDifficulty: number) {
+        return await this.clientRepository.update(id, { bestDifficulty });
+    }
+    public async connectedClientCount(): Promise<number> {
+        return await this.clientRepository.count();
+    }
+
+    public async getByAddress(address: string): Promise<ClientEntity[]> {
+        return await this.clientRepository.find({
+            where: {
+                address
+            }
+        })
+    }
+
+    public async getByAddressAndName(address: string, id: string): Promise<ClientEntity> {
+        return await this.clientRepository.findOne({
+            where: {
+                address,
+                id
+            }
+        })
+    }
+}