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Django SAAS Framework

Project description

🚀 django_resaas

django_resaas é um framework modular para construção de aplicações SaaS multi-tenant em Django, com:

  • 🔐 Controle de permissões (RBAC)
  • 🏢 Multi-tenant (Entity / Branch)
  • 🧩 Módulos ativáveis por cliente
  • 💰 Billing por plano (SaaS ready)
  • ♻️ Soft delete + restore
  • 🔎 Busca dinâmica automática
  • ⚡ BaseAPIView inteligente (DRF)

🧠 Arquitetura

User
 ↓
Person
 ↓
Employee (RH)
 ↓
Entity (tenant)
 ↓
Branch
 ↓
Groups + Permissões

🧩 Conceitos principais

🏢 Entity (Tenant)

Representa o cliente (empresa)

🏬 Branch

Unidade da entity

👤 Person

Dados humanos (name, email, etc.)

🔐 User

Autenticação

👥 BranchUserGroup

Relaciona:

  • User
  • Branch
  • Group (Django)

👉 Permite múltiplos groups por branch


🔐 Sistema de Permissões (RBAC)

Baseado em:

User + Group + Permission (Django)
+ contexto (Entity + Branch)

Headers obrigatórios:

ET → entity_type
E  → entity
S  → branch
G  → group
L  → language

🧱 BaseModel

Todos os models herdam:

from django_resaas import BaseModel

Inclui:

  • entity
  • branch
  • created_at / updated_at
  • soft delete
  • created_by / updated_by

🔁 Soft Delete

obj.delete()        # soft delete
obj.restore()       # restore
obj.hard_delete()   # delete real

Managers disponíveis:

Model.objects          # ativos
Model.deleted_objects  # apagados
Model.all_objects      # todos

⚡ BaseAPIView

CRUD automático com:

  • multi-tenant automático
  • permissões automáticas
  • search dinâmica
  • soft delete
  • restore
  • hard delete

Uso:

from django_resaas import BaseAPIView, register_view

@register_view(module="hr")
class EmployeeView(BaseAPIView):
    queryset = Employee.objects.all()
    serializer_class = EmployeeSerializer

🔍 Busca dinâmica

GET /api/employees/?search=joao

Busca automaticamente em:

  • name
  • email
  • código
  • relações (FK)

🧩 Sistema de Módulos

Permite ativar/desativar funcionalidades por cliente.

Models:

  • App
  • EntityApp

Exemplo:

Entity Módulo Estado
Empresa A RH
Empresa A CRM

🔐 Proteção automática por módulo

@register_view(module="hr")
class EmployeeView(BaseAPIView):
    ...

👉 Se módulo não estiver ativo → acesso bloqueado


💰 Billing (SaaS)

Models:

  • Plano
  • PlanoApp
  • EntityPlano

Fluxo:

Plano → módulos → EntityPlano → ativa módulos automaticamente

🔄 Sync automático de módulos

Ao mudar plano:

sync_apps_entity(entity)

📦 BaseSerializer

Proteção automática de arquivos:

{
  "file": {
    "url": "...",
    "name": "...",
    "ext": "pdf",
    "size": 12345
  }
}

🌐 Middleware

TenantContextMiddleware

Captura headers:

request.entity_id
request.branch_id
request.group_id

FrontEndMiddleware

Protege acesso por:

  • chave frontend (FEK/FEP)
  • permissões por URL
  • permissões por método HTTP

🧪 Exemplo completo

Model

from django_resaas import BaseModel

class Employee(BaseModel):
    person = models.ForeignKey('django_resaas.Person', on_delete=models.CASCADE)
    cargo = models.CharField(max_length=100)

Serializer

from django_resaas import BaseSerializer

class EmployeeSerializer(BaseSerializer):
    class Meta:
        model = Employee
        fields = "__all__"

View

from django_resaas import BaseAPIView, register_view

@register_view(module="hr")
class EmployeeView(BaseAPIView):
    queryset = Employee.objects.all()
    serializer_class = EmployeeSerializer

⚙️ Instalação

pip install django_resaas

ou local:

pip install -e .

🔧 Configuração

INSTALLED_APPS

INSTALLED_APPS = [
    "django_resaas",
    "hr",
]

Middleware

MIDDLEWARE = [
    "django_resaas.core.middleware.tenant.TenantContextMiddleware",
    "django_resaas.core.middleware.frontend.FrontEndMiddleware",
]

🚀 Roadmap

  • Integração com Stripe
  • Dashboard de billing
  • Auto-router
  • Auditoria de ações
  • Logs multi-tenant
  • Cache de permissões (Redis)

🧠 Filosofia

"Construir SaaS não deve ser repetitivo."

django_resaas resolve:

  • multi-tenant
  • permissões
  • módulos
  • billing

👉 para você focar no negócio


🤝 Contribuição

PRs são bem-vindos 🚀


📄 Licença

MIT License


👨‍💻 Autor

Metano Chavana

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