Implement Emailing, Implement Add-User Flow

backend/beyond_the_loop/models/companies.py

@@ -9,6 +9,7 @@ from open_webui.internal.db import get_db, Base
 
 # Constants
 NO_COMPANY = "NO_COMPANY"
+EIGHTY_PERCENT_CREDIT_LIMIT = 4000
 
 ####################
 # Company DB Schema
@@ -179,9 +180,4 @@ class CompanyTable:
             company = db.query(Company).filter(Company.id == company_id).first()
             return company.credit_balance if company else None
 
-    def has_sufficient_credits(self, company_id: str, required_credits: int) -> bool:
-        """Check if company has sufficient credits for an operation"""
-        balance = self.get_credit_balance(company_id)
-        return balance is None or balance >= required_credits  # None means unlimited
-
 Companies = CompanyTable()

backend/beyond_the_loop/routers/auths.py

@@ -3,6 +3,8 @@ import uuid
 import time
 import datetime
 import logging
+import secrets
+import string
 from aiohttp import ClientSession
 
 from open_webui.models.auths import (
@@ -19,6 +21,7 @@ from open_webui.models.auths import (
     UserResponse,
 )
 from beyond_the_loop.models.users import Users
+from beyond_the_loop.services.email_service import EmailService
 from beyond_the_loop.models.companies import NO_COMPANY
 
 from open_webui.constants import ERROR_MESSAGES, WEBHOOK_MESSAGES
@@ -550,6 +553,19 @@ async def signout(request: Request, response: Response):
 ############################
 
 
+def generate_secure_password(length=12):
+    """Generate a secure random password."""
+    alphabet = string.ascii_letters + string.digits + "!@#$%^&*"
+    while True:
+        password = ''.join(secrets.choice(alphabet) for _ in range(length))
+        # Check if password has at least one of each: uppercase, lowercase, digit, special char
+        if (any(c.isupper() for c in password)
+            and any(c.islower() for c in password)
+            and any(c.isdigit() for c in password)
+            and any(c in "!@#$%^&*" for c in password)):
+            return password
+
+
 @router.post("/add", response_model=SigninResponse)
 async def add_user(form_data: AddUserForm, admin_user: Users = Depends(get_admin_user)):
     if not validate_email_format(form_data.email.lower()):
@@ -561,7 +577,10 @@ async def add_user(form_data: AddUserForm, admin_user: Users = Depends(get_admin
         raise HTTPException(400, detail=ERROR_MESSAGES.EMAIL_TAKEN)
 
     try:
-        hashed = get_password_hash(form_data.password)
+        # Generate a secure random password
+        password = generate_secure_password()
+        hashed = get_password_hash(password)
+        
         new_user = Auths.insert_new_auth(
             form_data.email.lower(),
             hashed,
@@ -572,6 +591,14 @@ async def add_user(form_data: AddUserForm, admin_user: Users = Depends(get_admin
         )
 
         if new_user:
+            # Send welcome email with the generated password
+            email_service = EmailService()
+            email_service.send_welcome_mail(
+                to_email=form_data.email.lower(),
+                username=form_data.name,
+                password=password
+            )
+
             token = create_token(data={"id": new_user.id})
             return {
                 "token": token,

backend/beyond_the_loop/routers/openai.py

@@ -19,7 +19,9 @@ from starlette.background import BackgroundTask
 from beyond_the_loop.models.models import Models
 from beyond_the_loop.models.model_message_credit_costs import ModelMessageCreditCosts
 from beyond_the_loop.models.companies import Companies
+from beyond_the_loop.models.companies import EIGHTY_PERCENT_CREDIT_LIMIT
 from beyond_the_loop.models.completions import Completions
+from beyond_the_loop.services.email_service import EmailService
 
 from open_webui.config import (
     CACHE_DIR,
@@ -565,13 +567,24 @@ async def generate_chat_completion(
     # Subtract credits from the company's balance (if possible)
     model_message_credit_cost = ModelMessageCreditCosts.get_cost_by_model(model_id)
 
+    # Get current credit balance once
+    current_balance = Companies.get_credit_balance(user.company_id)
+    
     # Check if company has sufficient credits
-    if not Companies.has_sufficient_credits(user.company_id, model_message_credit_cost):
+    if current_balance < model_message_credit_cost:
+        email_service = EmailService()
+        email_service.send_budget_mail_100(to_email=user.email, recipient_name=user.name)
+
         raise HTTPException(
             status_code=402,  # 402 Payment Required
             detail=f"Insufficient credits. This operation requires {model_message_credit_cost} credits.",
         )
 
+    # Check 80% threshold
+    if current_balance - model_message_credit_cost < EIGHTY_PERCENT_CREDIT_LIMIT:  # If balance is less than 125% of required (which means we're below 80%)
+        email_service = EmailService()
+        email_service.send_budget_mail_80(to_email=user.email, recipient_name=user.name)
+
     # Subtract credits from balance
     Companies.subtract_credit_balance(user.company_id, model_message_credit_cost)
 

backend/beyond_the_loop/services/email_service.py

@@ -0,0 +1,117 @@
+from typing import Dict, Optional, List
+import sib_api_v3_sdk
+from sib_api_v3_sdk.rest import ApiException
+from pydantic import EmailStr
+import os
+from pathlib import Path
+from jinja2 import Environment, FileSystemLoader
+
+class EmailService:
+    def __init__(self):
+        self.configuration = sib_api_v3_sdk.Configuration()
+        self.configuration.api_key['api-key'] = os.getenv('BREVO_API_KEY')
+        self.api_instance = sib_api_v3_sdk.TransactionalEmailsApi(sib_api_v3_sdk.ApiClient(self.configuration))
+        
+        # Initialize Jinja2 environment
+        template_dir = Path(__file__).parent.parent / 'templates' / 'email'
+        self.jinja_env = Environment(loader=FileSystemLoader(template_dir))
+    
+    def send_welcome_mail(self, to_email: EmailStr, username: str, password: str) -> bool:
+        """Send a welcome email to newly registered users."""
+        try:
+            subject = "Willkommen bei Bchat!"
+            sender = {"name": "Bchat", "email": os.getenv('SENDER_EMAIL', 'noreply@beyondtheloop.ai')}
+            to = [{"email": to_email, "name": username}]
+            
+            # Load and render the template
+            template = self.jinja_env.get_template('welcome.html')
+            html_content = template.render(
+                name=username,
+                password=password
+            )
+            
+            send_smtp_email = sib_api_v3_sdk.SendSmtpEmail(
+                to=to,
+                html_content=html_content,
+                sender=sender,
+                subject=subject
+            )
+            
+            self.api_instance.send_transac_email(send_smtp_email)
+            return True
+            
+        except ApiException as e:
+            print(f"Exception when sending registration email: {e}")
+            return False
+
+
+    def send_custom_email(self, to_email: EmailStr, subject: str, html_content: str, 
+                         recipient_name: Optional[str] = None) -> bool:
+        """Send a custom email with specified content."""
+        try:
+            sender = {"name": "Beyond The Loop", "email": os.getenv('SENDER_EMAIL', 'noreply@beyondtheloop.com')}
+            to = [{"email": to_email, "name": recipient_name or to_email}]
+            
+            send_smtp_email = sib_api_v3_sdk.SendSmtpEmail(
+                to=to,
+                html_content=html_content,
+                sender=sender,
+                subject=subject
+            )
+            
+            self.api_instance.send_transac_email(send_smtp_email)
+            return True
+            
+        except ApiException as e:
+            print(f"Exception when sending custom email: {e}")
+            return False
+
+    def send_budget_mail_80(self, to_email: EmailStr, recipient_name: Optional[str] = None) -> bool:
+        """Send a warning email when budget reaches 80% of limit."""
+        try:
+            subject = "Abrechnungslimit fast erreicht"
+            sender = {"name": "Beyond The Loop", "email": os.getenv('SENDER_EMAIL', 'noreply@beyondtheloop.ai')}
+            to = [{"email": to_email, "name": recipient_name or to_email}]
+            
+            # Load and render the template
+            template = self.jinja_env.get_template('budget-mail-80.html')
+            html_content = template.render()
+            
+            send_smtp_email = sib_api_v3_sdk.SendSmtpEmail(
+                to=to,
+                html_content=html_content,
+                sender=sender,
+                subject=subject
+            )
+            
+            self.api_instance.send_transac_email(send_smtp_email)
+            return True
+            
+        except ApiException as e:
+            print(f"Exception when sending budget warning (80%) email: {e}")
+            return False
+
+    def send_budget_mail_100(self, to_email: EmailStr, recipient_name: Optional[str] = None) -> bool:
+        """Send a critical warning email when budget reaches 100% of limit."""
+        try:
+            subject = "Achtung: Abrechnungslimit erreicht!"
+            sender = {"name": "Beyond The Loop", "email": os.getenv('SENDER_EMAIL', 'noreply@beyondtheloop.ai')}
+            to = [{"email": to_email, "name": recipient_name or to_email}]
+            
+            # Load and render the template
+            template = self.jinja_env.get_template('budget-mail-100.html')
+            html_content = template.render()
+            
+            send_smtp_email = sib_api_v3_sdk.SendSmtpEmail(
+                to=to,
+                html_content=html_content,
+                sender=sender,
+                subject=subject
+            )
+            
+            self.api_instance.send_transac_email(send_smtp_email)
+            return True
+            
+        except ApiException as e:
+            print(f"Exception when sending budget warning (100%) email: {e}")
+            return False

backend/beyond_the_loop/templates/email/base.html

@@ -0,0 +1,78 @@
+<!DOCTYPE html>
+<html lang="de">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>{% block title %}Bchat{% endblock %}</title>
+    <style>
+        body {
+            font-family: Arial, sans-serif;
+            background-color: #f4f4f4;
+            margin: 0;
+            padding: 0;
+        }
+        .container {
+            width: 100%;
+            max-width: 600px;
+            margin: 20px auto;
+            background-color: #ffffff;
+            padding: 20px;
+            border-radius: 8px;
+            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
+        }
+        .header {
+            text-align: center;
+            padding-bottom: 20px;
+            border-bottom: 1px solid #dddddd;
+        }
+        .header h1 {
+            margin: 0;
+            color: #333333;
+        }
+        .content {
+            padding: 20px 0;
+        }
+        .content p {
+            color: #666666;
+            line-height: 1.5;
+        }
+        .button {
+            display: block;
+            width: 200px;
+            margin: 20px auto;
+            padding: 10px 0;
+            text-align: center;
+            background-color: #007FFF;
+            color: #ffffff;
+            text-decoration: none;
+            border-radius: 5px;
+            font-size: 16px;
+        }
+        .footer {
+            text-align: center;
+            padding-top: 20px;
+            border-top: 1px solid #dddddd;
+            color: #999999;
+            font-size: 12px;
+        }
+        .footer a {
+            color: #007BFF;
+            text-decoration: none;
+        }
+        {% block additional_styles %}{% endblock %}
+    </style>
+</head>
+<body>
+    <div class="container">
+        <div class="header">
+            <h1>{% block header %}{% endblock %}</h1>
+        </div>
+        <div class="content">
+            {% block content %}{% endblock %}
+        </div>
+        <div class="footer">
+            <p>Diese E-Mail wurde automatisch generiert. Bitte antworte nicht direkt darauf. Bei Fragen wenden dich an unseren <a href="mailto:support@beyondtheloop.ai">Support</a>.</p>
+        </div>
+    </div>
+</body>
+</html>

backend/beyond_the_loop/templates/email/budget-mail-100.html

@@ -0,0 +1,16 @@
+{% extends "base.html" %}
+
+{% block title %}Achtung: Abrechnungslimit erreicht!{% endblock %}
+
+{% block header %}Achtung: Abrechnungslimit erreicht!{% endblock %}
+
+{% block content %}
+<p>Hi,</p>
+<p>das festgelegte Abrechnungslimit für deinen Workspace wurde erreicht. Um Einschränkungen zu vermeiden, ist jetzt dringend deine Aktion erforderlich.</p>
+<p>Ohne sofortige Erhöhung des Limits kann dein Team nicht mehr auf BChat zugreifen. Erhöhe das Limit einfach in deinen Unternehmenseinstellungen!</p>
+<a href="https://bchat.example.com/billing" class="button">Jetzt Limit erhöhen</a>
+<p>Falls der Button nicht funktioniert, kopiere bitte diese URL und füge sie in deinen Browser ein:</p>
+<p><a href="https://bchat.example.com/billing">https://bchat.example.com/billing</a></p>
+<p>Zögere nicht, uns bei Fragen zu kontaktieren.</p>
+<p>Dein Beyond the Loop Team</p>
+{% endblock %}

backend/beyond_the_loop/templates/email/budget-mail-80.html

@@ -0,0 +1,15 @@
+{% extends "base.html" %}
+
+{% block title %}Abrechnungslimit fast erreicht{% endblock %}
+
+{% block header %}Dein Abrechnungslimit ist fast erreicht!{% endblock %}
+
+{% block content %}
+<p>Hallo,</p>
+<p>dein Workspace hat gerade 80% des festgelegten Abrechnungslimits erreicht. Keine Sorge, alles läuft noch - aber es ist Zeit, einen Blick in deine Unternehmens-Dashboard zu werfen.</p>
+<p>Schraube das Limit rechtzeitig hoch, um sicherzustellen, dass jeder die Platform ohne Einschränkungen nutzen kann.</p>
+<a class="button" href="https://bchat.example.com/billing">Abrechnungsdetails überprüfen</a>
+<p>Falls du Fragen hast oder Hilfe brauchst - wir sind für dich da!</p>
+<p>Danke, dass du bChat nutzt!</p>
+<p>Dein Beyond the Loop Team</p>
+{% endblock %}

backend/beyond_the_loop/templates/email/welcome.html

@@ -0,0 +1,29 @@
+{% extends "base.html" %}
+
+{% block title %}Account Aktivierung{% endblock %}
+
+{% block additional_styles %}
+.password {
+    font-size: 24px;
+    color: #333333;
+    text-align: center;
+    margin: 20px 0;
+    padding: 15px;
+    background-color: #f8f9fa;
+    border-radius: 5px;
+    border: 1px solid #dee2e6;
+}
+{% endblock %}
+
+{% block header %}Willkommen bei Bchat!{% endblock %}
+
+{% block content %}
+<p>Hallo {{ name }},</p>
+<p>Du wurdest zu bChat eingeladen! Um loszulegen, logge dich mit deiner Email-Adresse und folgendem Passwort ein:</p>
+<div class="password">{{ password }}</div>
+<p>Viel Spaß beim Entdecken von bChat!</p>
+{% endblock %}
+
+{% block footer %}
+<p>Diese E-Mail wurde automatisch generiert. Bitte antworte nicht direkt darauf. Bei Fragen wenden dich an unseren <a href="mailto:support@beyondtheloop.ai">Support</a>.</p>
+{% endblock %}

backend/open_webui/models/auths.py

@@ -90,8 +90,11 @@ class SignupForm(BaseModel):
     profile_image_url: Optional[str] = "/user.png"
 
 
-class AddUserForm(SignupForm):
-    role: Optional[str] = "pending",
+class AddUserForm(BaseModel):
+    name: str
+    email: str
+    profile_image_url: Optional[str] = "/user.png"
+    role: Optional[str] = "pending"
 
 
 class AuthsTable:

backend/open_webui/static/user-import.csv

@@ -1 +1 @@
-Name,Email,Password,Role
+Name,Email,Role

backend/requirements.txt

@@ -106,3 +106,6 @@ google-cloud-storage==2.19.0
 
 ## LDAP
 ldap3==2.9.1
+
+jinja2==3.1.3
+sib-api-v3-sdk==7.6.0

src/lib/apis/auths/index.ts

@@ -353,7 +353,6 @@ export const addUser = async (
 	token: string,
 	name: string,
 	email: string,
-	password: string,
 	role: string = 'pending'
 ) => {
 	let error = null;
@@ -367,7 +366,6 @@ export const addUser = async (
 		body: JSON.stringify({
 			name: name,
 			email: email,
-			password: password,
 			role: role
 		})
 	})

src/lib/components/admin/Users/UserList/AddUserModal.svelte

@@ -20,7 +20,6 @@
 	let _user = {
 		name: '',
 		email: '',
-		password: '',
 		role: 'user'
 	};
 
@@ -28,7 +27,6 @@
 		_user = {
 			name: '',
 			email: '',
-			password: '',
 			role: 'user'
 		};
 	}
@@ -42,15 +40,11 @@
 		if (tab === '') {
 			loading = true;
 
-			const res = await addUser(
-				localStorage.token,
-				_user.name,
-				_user.email,
-				_user.password,
-				_user.role
-			).catch((error) => {
-				toast.error(`${error}`);
-			});
+			const res = await addUser(localStorage.token, _user.name, _user.email, _user.role).catch(
+				(error) => {
+					toast.error(`${error}`);
+				}
+			);
 
 			if (res) {
 				stopLoading();
@@ -75,15 +69,14 @@
 
 						if (idx > 0) {
 							if (
-								columns.length === 4 &&
-								['admin', 'user', 'pending'].includes(columns[3].toLowerCase())
+								columns.length === 3 &&
+								['admin', 'user', 'pending'].includes(columns[2].toLowerCase())
 							) {
 								const res = await addUser(
 									localStorage.token,
-									columns[0],
-									columns[1],
-									columns[2],
-									columns[3].toLowerCase()
+									columns[0], // name
+									columns[1], // email
+									columns[2].toLowerCase() // role
 								).catch((error) => {
 									toast.error(`Row ${idx + 1}: ${error}`);
 									return null;
@@ -201,7 +194,7 @@
 										class="w-full text-sm bg-transparent disabled:text-gray-500 dark:disabled:text-gray-500 outline-none"
 										type="text"
 										bind:value={_user.name}
-										placeholder={$i18n.t('Enter Your Full Name')}
+										placeholder={$i18n.t('Enter Full Name')}
 										autocomplete="off"
 										required
 									/>
@@ -218,25 +211,11 @@
 										class="w-full text-sm bg-transparent disabled:text-gray-500 dark:disabled:text-gray-500 outline-none"
 										type="email"
 										bind:value={_user.email}
-										placeholder={$i18n.t('Enter Your Email')}
+										placeholder={$i18n.t('Enter Email')}
 										required
 									/>
 								</div>
 							</div>
-
-							<div class="flex flex-col w-full mt-1">
-								<div class=" mb-1 text-xs text-gray-500">{$i18n.t('Password')}</div>
-
-								<div class="flex-1">
-									<input
-										class="w-full text-sm bg-transparent disabled:text-gray-500 dark:disabled:text-gray-500 outline-none"
-										type="password"
-										bind:value={_user.password}
-										placeholder={$i18n.t('Enter Your Password')}
-										autocomplete="off"
-									/>
-								</div>
-							</div>
 						{:else if tab === 'import'}
 							<div>
 								<div class="mb-3 w-full">
@@ -265,7 +244,7 @@
 
 								<div class=" text-xs text-gray-500">
 									ⓘ {$i18n.t(
-										'Ensure your CSV file includes 4 columns in this order: Name, Email, Password, Role.'
+										'Ensure your CSV file includes 4 columns in this order: Name, Email, Role.'
 									)}
 									<a
 										class="underline dark:text-gray-200"