feat: add backend/models.py

backend/models.py

@@ -0,0 +1,69 @@
+from pydantic import BaseModel
+from typing import Optional, List
+
+class LoginRequest(BaseModel):
+    username: str
+    password: str
+
+class TokenResponse(BaseModel):
+    access_token: str
+    token_type: str = "bearer"
+    username: str
+    display_name: str
+
+class Attachment(BaseModel):
+    part_id: str
+    filename: str
+    content_type: str
+    size: int
+
+class MailSummary(BaseModel):
+    uid: str
+    subject: str
+    sender: str
+    sender_addr: str
+    date: str
+    is_read: bool
+    has_attachment: bool
+    size: int
+    preview: str = ""
+
+class MailDetail(BaseModel):
+    uid: str
+    subject: str
+    sender: str
+    sender_addr: str
+    to: str
+    cc: str = ""
+    date: str
+    body_text: str = ""
+    body_html: str = ""
+    attachments: List[Attachment] = []
+    is_read: bool = True
+
+class FolderInfo(BaseModel):
+    name: str
+    display: str
+    unread: int = 0
+    total: int = 0
+
+class MailListResponse(BaseModel):
+    messages: List[MailSummary]
+    total: int
+    page: int
+    per_page: int
+
+class SendRequest(BaseModel):
+    to: str
+    cc: Optional[str] = None
+    bcc: Optional[str] = None
+    subject: str
+    body: str
+    is_html: bool = False
+    reply_to_uid: Optional[str] = None
+
+class MoveRequest(BaseModel):
+    target_folder: str
+
+class ErrorResponse(BaseModel):
+    detail: str