初始化提交，包含完整的邮件系统代码

app/models/email.py

@@ -0,0 +1,98 @@
+import os
+import json
+from sqlalchemy import Column, Integer, String, Text, DateTime, ForeignKey, Boolean, JSON
+from sqlalchemy.orm import relationship
+from datetime import datetime
+import re
+import sys
+
+from . import Base
+import config
+active_config = config.active_config
+
+
+class Email(Base):
+    """电子邮件模型"""
+    __tablename__ = 'emails'
+    
+    id = Column(Integer, primary_key=True)
+    mailbox_id = Column(Integer, ForeignKey('mailboxes.id'), nullable=False, index=True)
+    sender = Column(String(255), nullable=False)
+    recipients = Column(String(1000), nullable=False)
+    subject = Column(String(500), nullable=True)
+    body_text = Column(Text, nullable=True)
+    body_html = Column(Text, nullable=True)
+    received_at = Column(DateTime, default=datetime.utcnow)
+    read = Column(Boolean, default=False)
+    headers = Column(JSON, nullable=True)
+    
+    # 提取的验证码和链接
+    verification_code = Column(String(100), nullable=True)
+    verification_link = Column(String(1000), nullable=True)
+    
+    # 关联关系
+    mailbox = relationship("Mailbox", back_populates="emails")
+    attachments = relationship("Attachment", back_populates="email", cascade="all, delete-orphan")
+    
+    def save_raw_email(self, raw_content):
+        """保存原始邮件内容到文件"""
+        storage_path = active_config.MAIL_STORAGE_PATH
+        mailbox_dir = os.path.join(storage_path, str(self.mailbox_id))
+        os.makedirs(mailbox_dir, exist_ok=True)
+        
+        # 保存原始邮件内容
+        file_path = os.path.join(mailbox_dir, f"{self.id}.eml")
+        with open(file_path, 'wb') as f:
+            f.write(raw_content)
+    
+    def extract_verification_data(self):
+        """
+        尝试从邮件内容中提取验证码和验证链接
+        这个方法会在邮件保存时自动调用
+        """
+        # 合并文本和HTML内容用于搜索
+        content = f"{self.subject} {self.body_text or ''}"
+        
+        # 提取可能的验证码（4-8位数字或字母组合）
+        code_patterns = [
+            r'\b[A-Z0-9]{4,8}\b',  # 大写字母和数字
+            r'验证码[：:]\s*([A-Z0-9]{4,8})',  # 中文格式
+            r'验证码是[：:]\s*([A-Z0-9]{4,8})',  # 中文格式2
+            r'code[：:]\s*([A-Z0-9]{4,8})',  # 英文格式
+        ]
+        
+        for pattern in code_patterns:
+            matches = re.findall(pattern, content, re.IGNORECASE)
+            if matches:
+                self.verification_code = matches[0]
+                break
+        
+        # 提取验证链接
+        link_patterns = [
+            r'https?://\S+(?:verify|confirm|activate)\S+',
+            r'https?://\S+(?:token|auth|account)\S+',
+        ]
+        
+        for pattern in link_patterns:
+            matches = re.findall(pattern, content, re.IGNORECASE)
+            if matches:
+                self.verification_link = matches[0]
+                break
+    
+    def __repr__(self):
+        return f"<Email {self.id}: {self.subject}>"
+    
+    def to_dict(self):
+        """转换为字典，用于API响应"""
+        return {
+            "id": self.id,
+            "mailbox_id": self.mailbox_id,
+            "sender": self.sender,
+            "recipients": self.recipients,
+            "subject": self.subject,
+            "received_at": self.received_at.isoformat() if self.received_at else None,
+            "read": self.read,
+            "verification_code": self.verification_code,
+            "verification_link": self.verification_link,
+            "has_attachments": len(self.attachments) > 0 if self.attachments else False
+        }