boss_dp/server/models.py

# -*- coding: utf-8 -*-
"""
数据模型：Django ORM 表模型 + Pydantic 内存模型。
"""
from __future__ import annotations

import time
import uuid
from typing import Any, Dict, List, Optional

from django.db import models
from pydantic import BaseModel, Field

from common.protocol import TaskStatus, TaskType


# ══════════════════════════════════════════════════════════════
#  Django ORM 模型
# ══════════════════════════════════════════════════════════════

class BossAccount(models.Model):
    """BOSS 账号登录状态表。"""
    worker_id = models.CharField(max_length=64, verbose_name="Worker 标识")
    browser_id = models.CharField(max_length=128, default="", verbose_name="比特浏览器窗口 ID")
    browser_name = models.CharField(max_length=128, default="", verbose_name="比特浏览器窗口名称（环境名）")
    boss_username = models.CharField(max_length=128, default="", verbose_name="BOSS 直聘用户名")
    is_logged_in = models.BooleanField(default=False, verbose_name="是否已登录")
    current_task_id = models.CharField(max_length=32, null=True, blank=True, verbose_name="当前检测任务 ID")
    current_task_status = models.CharField(max_length=32, null=True, blank=True, verbose_name="当前检测任务状态")
    checked_at = models.DateTimeField(null=True, blank=True, verbose_name="最近一次检测时间")
    created_at = models.DateTimeField(auto_now_add=True, verbose_name="创建时间")
    updated_at = models.DateTimeField(auto_now=True, verbose_name="更新时间")

    class Meta:
        db_table = "boss_account"
        unique_together = [("worker_id", "browser_id")]
        verbose_name = "BOSS 账号"
        verbose_name_plural = verbose_name

    def __str__(self):
        return f"{self.browser_name}@{self.worker_id}"


class TaskLog(models.Model):
    """任务执行记录表。"""
    task_id = models.CharField(max_length=32, unique=True, verbose_name="任务 ID")
    task_type = models.CharField(max_length=64, verbose_name="任务类型")
    worker_id = models.CharField(max_length=64, default="", verbose_name="执行的 Worker")
    status = models.CharField(max_length=32, default="", verbose_name="最终状态")
    params = models.JSONField(null=True, blank=True, verbose_name="任务参数")
    result = models.JSONField(null=True, blank=True, verbose_name="任务结果")
    error = models.TextField(null=True, blank=True, verbose_name="错误信息")
    created_at = models.DateTimeField(auto_now_add=True, verbose_name="创建时间")

    class Meta:
        db_table = "task_log"
        verbose_name = "任务日志"
        verbose_name_plural = verbose_name

    def __str__(self):
        return f"{self.task_id} ({self.task_type})"


class AuthToken(models.Model):
    """登录 token 表：每个用户名仅保留当前有效 token。"""
    username = models.CharField(max_length=64, unique=True, verbose_name="用户名")
    token = models.CharField(max_length=64, verbose_name="当前有效 token")
    created_at = models.DateTimeField(auto_now_add=True, verbose_name="创建时间")

    class Meta:
        db_table = "auth_token"
        verbose_name = "登录 Token"
        verbose_name_plural = verbose_name

    def __str__(self):
        return self.username


# ══════════════════════════════════════════════════════════════
#  Pydantic 内存模型（非数据库，用于 Worker 运行时状态与任务调度）
# ══════════════════════════════════════════════════════════════

# ─── Worker ───

class BrowserProfile(BaseModel):
    """比特浏览器窗口信息（Worker 上报）。"""
    id: str
    name: str = ""
    remark: str = ""


class WorkerInfo(BaseModel):
    """一台 Worker 的运行时信息（内存中保存）。"""
    worker_id: str
    worker_name: str = ""
    browsers: List[BrowserProfile] = []
    online: bool = True
    last_heartbeat: float = Field(default_factory=time.time)
    connected_at: float = Field(default_factory=time.time)
    current_task_id: Optional[str] = None


# ─── Task ───

class TaskCreate(BaseModel):
    """前端提交任务的请求体（也用于内部创建任务）。"""
    task_type: TaskType
    worker_id: Optional[str] = None
    account_name: Optional[str] = None
    params: Dict[str, Any] = {}


class TaskInfo(BaseModel):
    """任务完整信息（内存中保存）。"""
    task_id: str = Field(default_factory=lambda: uuid.uuid4().hex[:12])
    task_type: TaskType
    status: TaskStatus = TaskStatus.PENDING
    worker_id: Optional[str] = None
    account_name: Optional[str] = None
    params: Dict[str, Any] = {}
    progress: Optional[str] = None
    result: Any = None
    error: Optional[str] = None
    created_at: float = Field(default_factory=time.time)
    updated_at: float = Field(default_factory=time.time)