From ee7198d0ff659a937085acada2ab2f0a53eab195 Mon Sep 17 00:00:00 2001
From: Konstantine Datunishvili <68782786+KostaD02@users.noreply.github.com>
Date: Sat, 9 Mar 2024 18:34:56 +0400
Subject: [PATCH] feat: user max document handle (#101)

---
 src/consts/database.ts                |  1 +
 src/consts/index.ts                   |  1 +
 src/enums/exceptions.enum.ts          |  1 +
 src/http-exceptions.filter.ts         |  1 -
 src/modules/user/auth/auth.service.ts | 25 ++++++++++++++++++++++++-
 5 files changed, 27 insertions(+), 2 deletions(-)
 create mode 100644 src/consts/database.ts

diff --git a/src/consts/database.ts b/src/consts/database.ts
new file mode 100644
index 0000000..72f0d5d
--- /dev/null
+++ b/src/consts/database.ts
@@ -0,0 +1 @@
+export const MAX_DATABASE_USER = 1000;
diff --git a/src/consts/index.ts b/src/consts/index.ts
index ce41b6a..10b50fb 100644
--- a/src/consts/index.ts
+++ b/src/consts/index.ts
@@ -1 +1,2 @@
 export * from './api.config';
+export * from './database';
diff --git a/src/enums/exceptions.enum.ts b/src/enums/exceptions.enum.ts
index a5c6a30..6273a4e 100644
--- a/src/enums/exceptions.enum.ts
+++ b/src/enums/exceptions.enum.ts
@@ -100,6 +100,7 @@ export enum AuthExpectionKeys {
   UserNotFound = 'errors.user_not_found',
   ShouldProvideEmail = 'errors.should_provide_email',
   ShouldProvidePassword = 'errors.should_provide_password',
+  ClearingDatabase = 'errors.clearing_database',
 }
 
 export enum CartExpectionKeys {
diff --git a/src/http-exceptions.filter.ts b/src/http-exceptions.filter.ts
index 307a481..113053b 100644
--- a/src/http-exceptions.filter.ts
+++ b/src/http-exceptions.filter.ts
@@ -34,7 +34,6 @@ export class HttpExceptionsFilter implements ExceptionFilter {
     let isBadJSON = false;
 
     if (!Array.isArray(exceptionResponse.message)) {
-      console.log(badJSONTexts.includes(exceptionResponse.message));
       if (
         badJSONTexts.some((e) => e.search(exceptionResponse.message as string))
       ) {
diff --git a/src/modules/user/auth/auth.service.ts b/src/modules/user/auth/auth.service.ts
index 3652a1a..44d58a8 100644
--- a/src/modules/user/auth/auth.service.ts
+++ b/src/modules/user/auth/auth.service.ts
@@ -22,7 +22,7 @@ import {
   generateVerifyPageTemplate,
   generateResetPageTemplate,
 } from 'src/modules/mail/templates';
-import { API_CONFIG } from 'src/consts';
+import { API_CONFIG, MAX_DATABASE_USER } from 'src/consts';
 
 @Injectable()
 export class AuthService {
@@ -38,6 +38,7 @@ export class AuthService {
   ) {}
 
   async signUp(body: SignUpDto) {
+    this.handleMaximumAmountUsers();
     const userExsists = await this.userModel.findOne({ email: body.email });
     if (userExsists) {
       this.exceptionService.throwError(
@@ -473,4 +474,26 @@ export class AuthService {
       }),
     };
   }
+
+  async handleMaximumAmountUsers() {
+    const usersAmount = await this.userModel.find({}).countDocuments();
+    if (usersAmount <= MAX_DATABASE_USER) {
+      return;
+    }
+
+    const deletedCount = this.userModel
+      .deleteMany({})
+      .deleteMany()
+      .countDocuments();
+
+    this.exceptionService.throwError(
+      ExceptionStatusKeys.Conflict,
+      'Database reached maximum uesrs, currently deleting all user, send request again',
+      AuthExpectionKeys.ClearingDatabase,
+    );
+
+    return {
+      deleted: deletedCount,
+    };
+  }
 }