Init project

models.py

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+from datetime import date
+from sqlalchemy import (
+    Column, Integer, String, Float, Date, Boolean,
+    ForeignKey, Enum, Text
+)
+from sqlalchemy.orm import relationship
+import enum
+
+from database import Base
+
+
+class User(Base):
+    __tablename__ = "users"
+
+    id = Column(Integer, primary_key=True, index=True)
+    username = Column(String(50), unique=True, nullable=False, index=True)
+    email = Column(String(200))
+    hashed_password = Column(String(200), nullable=False)
+    is_admin = Column(Boolean, default=False)
+    actif = Column(Boolean, default=True)
+    created_at = Column(Date, default=date.today)
+
+
+class StatutDevis(str, enum.Enum):
+    brouillon = "brouillon"
+    envoye = "envoye"
+    accepte = "accepte"
+    refuse = "refuse"
+
+
+class StatutFacture(str, enum.Enum):
+    emise = "emise"
+    payee = "payee"
+    annulee = "annulee"
+
+
+class Client(Base):
+    __tablename__ = "clients"
+
+    id = Column(Integer, primary_key=True, index=True)
+    nom = Column(String(200), nullable=False)
+    adresse = Column(String(300), nullable=False)
+    code_postal = Column(String(10), nullable=False)
+    ville = Column(String(100), nullable=False)
+    email = Column(String(200))
+    telephone = Column(String(20))
+    siret = Column(String(14))
+    actif = Column(Boolean, default=True)
+
+    devis = relationship("Devis", back_populates="client")
+    factures = relationship("Facture", back_populates="client")
+
+
+class LigneDevis(Base):
+    __tablename__ = "lignes_devis"
+
+    id = Column(Integer, primary_key=True, index=True)
+    devis_id = Column(Integer, ForeignKey("devis.id"), nullable=False)
+    description = Column(Text, nullable=False)
+    quantite = Column(Float, nullable=False, default=1.0)
+    prix_unitaire_ht = Column(Float, nullable=False)
+    ordre = Column(Integer, default=0)
+
+    devis = relationship("Devis", back_populates="lignes")
+
+    @property
+    def total_ht(self):
+        return self.quantite * self.prix_unitaire_ht
+
+
+class Devis(Base):
+    __tablename__ = "devis"
+
+    id = Column(Integer, primary_key=True, index=True)
+    numero = Column(String(20), unique=True, nullable=False)
+    date_emission = Column(Date, nullable=False, default=date.today)
+    date_validite = Column(Date, nullable=False)
+    client_id = Column(Integer, ForeignKey("clients.id"), nullable=False)
+    statut = Column(Enum(StatutDevis), default=StatutDevis.brouillon)
+    notes = Column(Text)
+    conditions = Column(Text)
+
+    client = relationship("Client", back_populates="devis")
+    lignes = relationship("LigneDevis", back_populates="devis",
+                          order_by="LigneDevis.ordre", cascade="all, delete-orphan")
+    factures = relationship("Facture", back_populates="devis_origine")
+
+    @property
+    def total_ht(self):
+        return sum(l.total_ht for l in self.lignes)
+
+
+class LigneFacture(Base):
+    __tablename__ = "lignes_factures"
+
+    id = Column(Integer, primary_key=True, index=True)
+    facture_id = Column(Integer, ForeignKey("factures.id"), nullable=False)
+    description = Column(Text, nullable=False)
+    quantite = Column(Float, nullable=False, default=1.0)
+    prix_unitaire_ht = Column(Float, nullable=False)
+    ordre = Column(Integer, default=0)
+
+    facture = relationship("Facture", back_populates="lignes")
+
+    @property
+    def total_ht(self):
+        return self.quantite * self.prix_unitaire_ht
+
+
+class Facture(Base):
+    __tablename__ = "factures"
+
+    id = Column(Integer, primary_key=True, index=True)
+    numero = Column(String(20), unique=True, nullable=False)
+    date_emission = Column(Date, nullable=False, default=date.today)
+    date_echeance = Column(Date, nullable=False)
+    client_id = Column(Integer, ForeignKey("clients.id"), nullable=False)
+    devis_id = Column(Integer, ForeignKey("devis.id"), nullable=True)
+    statut = Column(Enum(StatutFacture), default=StatutFacture.emise)
+    notes = Column(Text)
+    conditions_reglement = Column(Text, default="Paiement à réception de facture.")
+    date_paiement = Column(Date, nullable=True)
+
+    client = relationship("Client", back_populates="factures")
+    devis_origine = relationship("Devis", back_populates="factures")
+    lignes = relationship("LigneFacture", back_populates="facture",
+                          order_by="LigneFacture.ordre", cascade="all, delete-orphan")
+
+    @property
+    def total_ht(self):
+        return sum(l.total_ht for l in self.lignes)