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caf3667 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 | from sqlalchemy import Column, Integer, String, Float, Boolean, DateTime, Text, ForeignKey, Index
from sqlalchemy.orm import relationship
from datetime import datetime, timezone
from database.db import Base
def _utcnow():
return datetime.now(timezone.utc)
class Email(Base):
__tablename__ = "emails"
id = Column(Integer, primary_key=True)
subject = Column(String(500))
sender = Column(String(200))
received_at = Column(DateTime)
raw_body = Column(Text)
category = Column(String(50)) # tonnage | cargo_vc | cargo_tc | unknown
confidence = Column(Float, default=0.0)
is_duplicate = Column(Boolean, default=False)
fingerprint = Column(String(64), nullable=True, index=True) # SHA-256 of normalised body
created_at = Column(DateTime, default=_utcnow)
tonnage = relationship("Tonnage", back_populates="email", cascade="all, delete-orphan")
cargo_vc = relationship("CargoVC", back_populates="email", cascade="all, delete-orphan")
cargo_tc = relationship("CargoTC", back_populates="email", cascade="all, delete-orphan")
def to_dict(self, include_extracted=False):
d = {
"id": self.id,
"subject": self.subject,
"sender": self.sender,
"received_at": self.received_at.isoformat() if self.received_at else None,
"raw_body": self.raw_body,
"category": self.category,
"confidence": round(self.confidence or 0, 3),
"is_duplicate": self.is_duplicate,
"fingerprint": self.fingerprint,
"created_at": self.created_at.isoformat() if self.created_at else None,
}
if include_extracted:
d["tonnage"] = [t.to_dict() for t in self.tonnage]
d["cargo_vc"] = [c.to_dict() for c in self.cargo_vc]
d["cargo_tc"] = [c.to_dict() for c in self.cargo_tc]
return d
class Tonnage(Base):
__tablename__ = "tonnage"
id = Column(Integer, primary_key=True)
email_id = Column(Integer, ForeignKey("emails.id"))
vessel_name = Column(String(200))
account_name = Column(String(200))
open_port = Column(String(200))
open_date = Column(String(100))
vessel_type = Column(String(100))
vessel_size = Column(String(100))
flag = Column(String(100))
built_year = Column(String(20))
class_society = Column(String(100))
loa = Column(String(50))
beam = Column(String(50))
email = relationship("Email", back_populates="tonnage")
def to_dict(self):
return {
"id": self.id,
"email_id": self.email_id,
"vessel_name": self.vessel_name,
"account_name": self.account_name,
"open_port": self.open_port,
"open_date": self.open_date,
"vessel_type": self.vessel_type,
"vessel_size": self.vessel_size,
"flag": self.flag,
"built_year": self.built_year,
"class_society": self.class_society,
"loa": self.loa,
"beam": self.beam,
}
class CargoVC(Base):
__tablename__ = "cargo_vc"
id = Column(Integer, primary_key=True)
email_id = Column(Integer, ForeignKey("emails.id"))
account_name = Column(String(200))
cargo_name = Column(String(200))
loading_port = Column(String(200))
discharge_port = Column(String(200))
laycan = Column(String(100))
cargo_type = Column(String(100))
quantity = Column(String(100))
email = relationship("Email", back_populates="cargo_vc")
def to_dict(self):
return {
"id": self.id,
"email_id": self.email_id,
"account_name": self.account_name,
"cargo_name": self.cargo_name,
"loading_port": self.loading_port,
"discharge_port": self.discharge_port,
"laycan": self.laycan,
"cargo_type": self.cargo_type,
"quantity": self.quantity,
}
class CargoTC(Base):
__tablename__ = "cargo_tc"
id = Column(Integer, primary_key=True)
email_id = Column(Integer, ForeignKey("emails.id"))
account_name = Column(String(200))
cargo_name = Column(String(200))
delivery_port = Column(String(200))
redelivery_port = Column(String(200))
duration = Column(String(100))
laycan = Column(String(100))
cargo_type = Column(String(100))
email = relationship("Email", back_populates="cargo_tc")
def to_dict(self):
return {
"id": self.id,
"email_id": self.email_id,
"account_name": self.account_name,
"cargo_name": self.cargo_name,
"delivery_port": self.delivery_port,
"redelivery_port": self.redelivery_port,
"duration": self.duration,
"laycan": self.laycan,
"cargo_type": self.cargo_type,
}
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