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"""
نماذج بيانات النظام
"""
from sqlalchemy import Column, Integer, String, Float, DateTime, ForeignKey, Boolean, Text, Table, Enum
from sqlalchemy.orm import relationship
from datetime import datetime
import enum
from database.db_connector import Base
# جدول العلاقة متعددة القيم بين المشاريع والملفات
project_files = Table(
'project_files',
Base.metadata,
Column('project_id', Integer, ForeignKey('projects.id'), primary_key=True),
Column('file_id', Integer, ForeignKey('files.id'), primary_key=True)
)
# تعريف الأنواع المدرجة
class ProjectStatus(enum.Enum):
"""حالة المشروع"""
NEW = "جديد"
PRICING = "قيد التسعير"
SUBMITTED = "تم التقديم"
AWARDED = "تمت الترسية"
EXECUTION = "قيد التنفيذ"
COMPLETED = "منتهي"
CANCELLED = "ملغي"
class TenderType(enum.Enum):
"""نوع المناقصة"""
PUBLIC = "عامة"
PRIVATE = "خاصة"
DIRECT = "أمر مباشر"
class PricingMethod(enum.Enum):
"""طريقة التسعير"""
STANDARD = "قياسي"
UNBALANCED = "غير متزن"
COMPETITIVE = "تنافسي"
PROFITABILITY = "موجه بالربحية"
# نموذج المستخدم
class User(Base):
"""نموذج بيانات المستخدم"""
__tablename__ = 'users'
id = Column(Integer, primary_key=True)
username = Column(String(50), unique=True, nullable=False)
password_hash = Column(String(128), nullable=False)
full_name = Column(String(100), nullable=False)
email = Column(String(100), unique=True, nullable=False)
phone = Column(String(20))
role = Column(String(20), nullable=False)
department = Column(String(50))
is_active = Column(Boolean, default=True)
created_at = Column(DateTime, default=datetime.now)
last_login = Column(DateTime)
# العلاقات
projects = relationship("Project", back_populates="created_by")
pricing_items = relationship("PricingItem", back_populates="created_by")
def __repr__(self):
return f"<User {self.username}>"
# نموذج المشروع
class Project(Base):
"""نموذج بيانات المشروع"""
__tablename__ = 'projects'
id = Column(Integer, primary_key=True)
name = Column(String(100), nullable=False)
tender_number = Column(String(50))
client = Column(String(100), nullable=False)
location = Column(String(100))
description = Column(Text)
status = Column(Enum(ProjectStatus), default=ProjectStatus.NEW)
tender_type = Column(Enum(TenderType), default=TenderType.PUBLIC)
pricing_method = Column(Enum(PricingMethod), default=PricingMethod.STANDARD)
submission_date = Column(DateTime)
created_at = Column(DateTime, default=datetime.now)
updated_at = Column(DateTime, default=datetime.now, onupdate=datetime.now)
created_by_id = Column(Integer, ForeignKey('users.id'))
# العلاقات
created_by = relationship("User", back_populates="projects")
pricing_sections = relationship("PricingSection", back_populates="project", cascade="all, delete-orphan")
pricing_items = relationship("PricingItem", back_populates="project", cascade="all, delete-orphan")
local_content_items = relationship("LocalContentItem", back_populates="project", cascade="all, delete-orphan")
risk_items = relationship("RiskItem", back_populates="project", cascade="all, delete-orphan")
files = relationship("File", secondary=project_files, back_populates="projects")
def __repr__(self):
return f"<Project {self.name}>"
# نموذج قسم التسعير
class PricingSection(Base):
"""نموذج بيانات قسم التسعير"""
__tablename__ = 'pricing_sections'
id = Column(Integer, primary_key=True)
project_id = Column(Integer, ForeignKey('projects.id'), nullable=False)
name = Column(String(100), nullable=False)
description = Column(Text)
section_order = Column(Integer, default=0)
created_at = Column(DateTime, default=datetime.now)
updated_at = Column(DateTime, default=datetime.now, onupdate=datetime.now)
# العلاقات
project = relationship("Project", back_populates="pricing_sections")
pricing_items = relationship("PricingItem", back_populates="section", cascade="all, delete-orphan")
def __repr__(self):
return f"<PricingSection {self.name}>"
# نموذج بند التسعير
class PricingItem(Base):
"""نموذج بيانات بند التسعير"""
__tablename__ = 'pricing_items'
id = Column(Integer, primary_key=True)
project_id = Column(Integer, ForeignKey('projects.id'), nullable=False)
section_id = Column(Integer, ForeignKey('pricing_sections.id'))
item_code = Column(String(20))
description = Column(Text, nullable=False)
unit = Column(String(20), nullable=False)
quantity = Column(Float, nullable=False)
unit_price = Column(Float, default=0)
unbalanced_price = Column(Float)
final_price = Column(Float)
pricing_strategy = Column(String(20), default="متوازن")
notes = Column(Text)
created_by_id = Column(Integer, ForeignKey('users.id'))
created_at = Column(DateTime, default=datetime.now)
updated_at = Column(DateTime, default=datetime.now, onupdate=datetime.now)
# العلاقات
project = relationship("Project", back_populates="pricing_items")
section = relationship("PricingSection", back_populates="pricing_items")
created_by = relationship("User", back_populates="pricing_items")
resource_usages = relationship("ResourceUsage", back_populates="pricing_item")
def __repr__(self):
return f"<PricingItem {self.item_code}: {self.description[:30]}>"
# نموذج بند المحتوى المحلي
class LocalContentItem(Base):
"""نموذج بيانات بند المحتوى المحلي"""
__tablename__ = 'local_content_items'
id = Column(Integer, primary_key=True)
project_id = Column(Integer, ForeignKey('projects.id'), nullable=False)
category = Column(String(50), nullable=False)
item_name = Column(String(100), nullable=False)
supplier_id = Column(Integer, ForeignKey('suppliers.id'))
total_cost = Column(Float, default=0)
local_percentage = Column(Float, default=0)
notes = Column(Text)
created_at = Column(DateTime, default=datetime.now)
updated_at = Column(DateTime, default=datetime.now, onupdate=datetime.now)
# العلاقات
project = relationship("Project", back_populates="local_content_items")
supplier = relationship("Supplier", back_populates="local_content_items")
def __repr__(self):
return f"<LocalContentItem {self.item_name}>"
# نموذج المورد
class Supplier(Base):
"""نموذج بيانات المورد"""
__tablename__ = 'suppliers'
id = Column(Integer, primary_key=True)
name = Column(String(100), nullable=False)
contact_person = Column(String(100))
phone = Column(String(20))
email = Column(String(100))
address = Column(String(200))
category = Column(String(50))
is_local = Column(Boolean, default=False)
local_content_percentage = Column(Float, default=0)
created_at = Column(DateTime, default=datetime.now)
updated_at = Column(DateTime, default=datetime.now, onupdate=datetime.now)
# العلاقات
local_content_items = relationship("LocalContentItem", back_populates="supplier")
resources = relationship("Resource", back_populates="supplier")
def __repr__(self):
return f"<Supplier {self.name}>"
# نموذج المخاطرة
class RiskItem(Base):
"""نموذج بيانات المخاطرة"""
__tablename__ = 'risk_items'
id = Column(Integer, primary_key=True)
project_id = Column(Integer, ForeignKey('projects.id'), nullable=False)
risk_code = Column(String(20))
description = Column(Text, nullable=False)
category = Column(String(50), nullable=False)
impact = Column(String(20), nullable=False)
probability = Column(String(20), nullable=False)
mitigation_strategy = Column(Text)
created_at = Column(DateTime, default=datetime.now)
updated_at = Column(DateTime, default=datetime.now, onupdate=datetime.now)
# العلاقات
project = relationship("Project", back_populates="risk_items")
def __repr__(self):
return f"<RiskItem {self.risk_code}: {self.description[:30]}>"
# نموذج المورد
class Resource(Base):
"""نموذج بيانات المورد"""
__tablename__ = 'resources'
id = Column(Integer, primary_key=True)
code = Column(String(20), unique=True)
name = Column(String(100), nullable=False)
description = Column(Text)
category = Column(String(50), nullable=False)
unit = Column(String(20), nullable=False)
unit_price = Column(Float, default=0)
supplier_id = Column(Integer, ForeignKey('suppliers.id'))
is_local = Column(Boolean, default=False)
local_content_percentage = Column(Float, default=0)
created_at = Column(DateTime, default=datetime.now)
updated_at = Column(DateTime, default=datetime.now, onupdate=datetime.now)
# العلاقات
supplier = relationship("Supplier", back_populates="resources")
resource_usages = relationship("ResourceUsage", back_populates="resource")
def __repr__(self):
return f"<Resource {self.code}: {self.name}>"
# نموذج استخدام المورد
class ResourceUsage(Base):
"""نموذج بيانات استخدام المورد"""
__tablename__ = 'resource_usages'
id = Column(Integer, primary_key=True)
pricing_item_id = Column(Integer, ForeignKey('pricing_items.id'), nullable=False)
resource_id = Column(Integer, ForeignKey('resources.id'), nullable=False)
quantity = Column(Float, nullable=False)
created_at = Column(DateTime, default=datetime.now)
updated_at = Column(DateTime, default=datetime.now, onupdate=datetime.now)
# العلاقات
pricing_item = relationship("PricingItem", back_populates="resource_usages")
resource = relationship("Resource", back_populates="resource_usages")
def __repr__(self):
return f"<ResourceUsage {self.pricing_item_id} - {self.resource_id}>"
# نموذج الملف
class File(Base):
"""نموذج بيانات الملف"""
__tablename__ = 'files'
id = Column(Integer, primary_key=True)
filename = Column(String(100), nullable=False)
original_filename = Column(String(100), nullable=False)
file_type = Column(String(20), nullable=False)
file_size = Column(Integer, nullable=False)
file_path = Column(String(255), nullable=False)
upload_date = Column(DateTime, default=datetime.now)
# العلاقات
projects = relationship("Project", secondary=project_files, back_populates="files")
def __repr__(self):
return f"<File {self.original_filename}>" |