From 1ab078fc54ad8121eca313c0c44625e557d9ad36 Mon Sep 17 00:00:00 2001
From: Artem-Darius Atlas <mit.3tlasa@gmail.com>
Date: Thu, 29 Jun 2023 16:11:33 +0300
Subject: [PATCH] feat: added user module for the auth service

---
 apps/auth/src/user/service/user.service.ts | 54 +++++++++++++++
 apps/auth/src/user/user.controller.ts      | 80 ++++++++++++++++++++++
 apps/auth/src/user/user.module.ts          | 11 +++
 3 files changed, 145 insertions(+)
 create mode 100644 apps/auth/src/user/service/user.service.ts
 create mode 100644 apps/auth/src/user/user.controller.ts
 create mode 100644 apps/auth/src/user/user.module.ts

diff --git a/apps/auth/src/user/service/user.service.ts b/apps/auth/src/user/service/user.service.ts
new file mode 100644
index 0000000..0c9008d
--- /dev/null
+++ b/apps/auth/src/user/service/user.service.ts
@@ -0,0 +1,54 @@
+import { BadRequestException, Injectable } from "@nestjs/common";
+import { PrismaService } from "../../Prisma/service/prisma.service";
+import { DevicesDto } from "../dto/devices.dto";
+import { PrismaClientValidationError } from "@prisma/client/runtime";
+
+@Injectable()
+export class UserService {
+  constructor(private readonly prisma: PrismaService) {
+  }
+
+  public async devices(params: DevicesDto): Promise<{ name?: string, fingerprint?: string, isBlocked?: boolean }[]> {
+    let select: { name?: boolean, fingerprint?: boolean, isBlocked?: boolean } | undefined = {
+      name: true, fingerprint: true, isBlocked: true
+    };
+    if (params.select !== undefined && params.select !== null) {
+      select = {};
+      if (params.select.name !== undefined && params.select.name !== null) select.name = params.select.name;
+      if (params.select.fingerprint !== undefined && params.select.fingerprint !== null) select.fingerprint = params.select.fingerprint;
+      if (params.select.isBlocked !== undefined && params.select.isBlocked !== null) select.isBlocked = params.select.isBlocked;
+    }
+    try {
+      const res: { name?: string, isBlocked?: boolean, fingerprint?: Buffer }[] =
+        await this.prisma.userDevice.findMany({ where: { userUuid: params.uuid }, select });
+      return res.map(value => ({ ...value, fingerprint: value.fingerprint?.toString("hex") }));
+    } catch (e) {
+      if (!(e instanceof PrismaClientValidationError)) throw e;
+      throw new BadRequestException("The select statement needs at least one truthy value.");
+    }
+  }
+
+  public async isExists(params: { uuid: string }) {
+    return (await this.prisma.user.findUnique({ where: params, select: null }) !== null);
+  }
+
+  public register(params: { uuid: string }) {
+    return this.prisma.user.create({ data: params, select: null });
+  }
+
+  public async delete(params: { uuid: string }) {
+    await this.prisma.user.delete({ where: params, select: null });
+  }
+
+  public async block(params: { uuid: string }) {
+    await this.prisma.user.update({ where: params, data: { isBlocked: true }, select: null });
+  }
+
+  public async unblock(params: { uuid: string }) {
+    await this.prisma.user.update({ where: params, data: { isBlocked: false }, select: null });
+  }
+
+  public isBlocked(params: { uuid: string }) {
+    return this.prisma.user.findUnique({ where: params, select: { isBlocked: true } });
+  }
+}
\ No newline at end of file
diff --git a/apps/auth/src/user/user.controller.ts b/apps/auth/src/user/user.controller.ts
new file mode 100644
index 0000000..da3ad07
--- /dev/null
+++ b/apps/auth/src/user/user.controller.ts
@@ -0,0 +1,80 @@
+import { Body, ConflictException, Controller, HttpCode, Post, ValidationPipe } from "@nestjs/common";
+import { UserService } from "./service/user.service";
+import { UuidDto } from "./dto/uuid.dto";
+import { PrismaClientKnownRequestError } from "@prisma/client/runtime";
+import { DevicesDto } from "./dto/devices.dto";
+
+@Controller("user")
+export class UserController {
+  constructor(private readonly user: UserService) {
+  }
+
+  @Post("devices")
+  @HttpCode(200)
+  async Devices(@Body(new ValidationPipe()) params: DevicesDto) {
+    if (await this.user.isExists({ uuid: params.uuid })) return await this.user.devices(params);
+    else throw new ConflictException("user with this uuid does not exist");
+  }
+
+  @Post("is-exists")
+  @HttpCode(200)
+  async IsExists(@Body(new ValidationPipe()) params: UuidDto) {
+    return await this.user.isExists(params);
+  }
+
+  @Post("register")
+  @HttpCode(200)
+  async Register(@Body(new ValidationPipe()) params: UuidDto) {
+    try {
+      await this.user.register(params);
+    } catch (e) {
+      if (!(e instanceof PrismaClientKnownRequestError)) throw e;
+      if (e.code !== "P2002") throw e;
+      throw new ConflictException("user with the same uuid already exists");
+    }
+  }
+
+  @Post("delete")
+  @HttpCode(200)
+  async Delete(@Body(new ValidationPipe()) params: UuidDto) {
+    try {
+      await this.user.delete(params);
+    } catch (e) {
+      if (!(e instanceof PrismaClientKnownRequestError)) throw e;
+      if (e.code !== "P2025") throw e;
+      throw new ConflictException("user with this uuid does not exist");
+    }
+  }
+
+  @Post("block")
+  @HttpCode(200)
+  async Block(@Body(new ValidationPipe()) params: UuidDto) {
+    try {
+      await this.user.block(params);
+    } catch (e) {
+      if (!(e instanceof PrismaClientKnownRequestError)) throw e;
+      if (e.code !== "P2025") throw e;
+      throw new ConflictException("user with this uuid does not exist");
+    }
+  }
+
+  @Post("unblock")
+  @HttpCode(200)
+  async Unblock(@Body(new ValidationPipe()) params: UuidDto) {
+    try {
+      await this.user.unblock(params);
+    } catch (e) {
+      if (!(e instanceof PrismaClientKnownRequestError)) throw e;
+      if (e.code !== "P2025") throw e;
+      throw new ConflictException("user with this uuid does not exist");
+    }
+  }
+
+  @Post("is-blocked")
+  @HttpCode(200)
+  async IsBlocked(@Body(new ValidationPipe()) params: UuidDto) {
+    const isBlocked = await this.user.isBlocked(params);
+    if (isBlocked !== null) return isBlocked.isBlocked;
+    throw new ConflictException("user with this uuid does not exist");
+  }
+}
diff --git a/apps/auth/src/user/user.module.ts b/apps/auth/src/user/user.module.ts
new file mode 100644
index 0000000..f246f20
--- /dev/null
+++ b/apps/auth/src/user/user.module.ts
@@ -0,0 +1,11 @@
+import { Module } from "@nestjs/common";
+import { UserController } from "./user.controller";
+import { UserService } from "./service/user.service";
+
+@Module({
+  providers: [UserService],
+  controllers: [UserController],
+  exports: [UserService]
+})
+export class UserModule {
+}
\ No newline at end of file