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app/models/form.py

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+from sqlalchemy import Column, Integer, String, DateTime, Boolean, Text, ForeignKey, Index
+from sqlalchemy.orm import relationship
+from sqlalchemy.dialects.postgresql import JSONB, UUID
+from datetime import datetime
+import uuid
+from app.models.base import BaseModel
+
+
+class Form(BaseModel):
+    __tablename__ = "forms"
+
+    uuid = Column(UUID(as_uuid=True), default=uuid.uuid4, unique=True, nullable=False, index=True)
+    name = Column(String(200), nullable=False)
+    description = Column(Text)
+    version = Column(Integer, default=1)
+    is_active = Column(Boolean, default=True)
+    is_published = Column(Boolean, default=False)
+    form_settings = Column(JSONB, default={})  # переименовано с settings
+    created_by = Column(Integer, nullable=True)
+
+    # Relationships
+    fields = relationship("FormField", back_populates="form", cascade="all, delete-orphan")
+    submissions = relationship("Submission", back_populates="form", cascade="all, delete-orphan")
+
+    __table_args__ = (
+        Index('ix_forms_name_active', 'name', 'is_active'),
+        Index('ix_forms_created_at', 'created_at'),
+    )
+
+    @property
+    def fields_count(self) -> int:
+        return len(self.fields)
+
+    @property
+    def submissions_count(self) -> int:
+        return len(self.submissions)
+
+
+class FormField(BaseModel):
+    __tablename__ = "form_fields"
+
+    form_id = Column(Integer, ForeignKey("forms.id", ondelete="CASCADE"))
+    field_id = Column(Integer, ForeignKey("fields.id", ondelete="CASCADE"))
+    order = Column(Integer, default=0)
+    is_required = Column(Boolean, default=False)
+    default_value = Column(JSONB, nullable=True)
+    visibility_conditions = Column(JSONB, default={})
+    validation_rules_override = Column(JSONB, nullable=True)
+
+    # Relationships
+    form = relationship("Form", back_populates="fields")
+    field = relationship("Field", back_populates="form_fields")
+
+    __table_args__ = (
+        Index('ix_form_fields_order', 'form_id', 'order'),
+        Index('ix_form_fields_unique', 'form_id', 'field_id', unique=True),
+    )
+
+
+class Field(BaseModel):
+    __tablename__ = "fields"
+
+    name = Column(String(100), unique=True, nullable=False, index=True)
+    label = Column(String(200), nullable=False)
+    field_type = Column(String(50), nullable=False)
+    placeholder = Column(String(200))
+    help_text = Column(Text)
+    field_options = Column(JSONB, default={})  # переименовано с options
+    validation_rules = Column(JSONB, default={})
+    field_metadata = Column(JSONB, default={})  # переименовано с metadata
+    created_at = Column(DateTime, default=datetime.utcnow)
+
+    # Relationships
+    form_fields = relationship("FormField", back_populates="field")
+
+    __table_args__ = (
+        Index('ix_fields_type', 'field_type'),
+        Index('ix_fields_name_type', 'name', 'field_type'),
+    )