88 lines
3.0 KiB
Python
88 lines
3.0 KiB
Python
import uuid
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from django.conf import settings
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from django.db import models
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from django.db.models import Q
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class WorkItemStatus(models.TextChoices):
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ACTIVE = "active", "待处理"
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COMPLETED = "completed", "已完成"
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CANCELLED = "cancelled", "已取消"
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class WorkItemType(models.TextChoices):
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TICKET_MISSING_INFO = "ticket_missing_info", "工单信息待补全"
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TICKET_INTAKE_FAILED = "ticket_intake_failed", "智能受理待人工接管"
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TICKET_CUSTOMER_REPLY = "ticket_customer_reply", "客户回复待确认"
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TICKET_CLOSE = "ticket_close", "工单待人工关闭"
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SUPPORT_ANALYSIS_FAILED = "support_analysis_failed", "支持分析待人工接管"
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KNOWLEDGE_DISTILLATION_FAILED = (
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"knowledge_distillation_failed",
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"知识蒸馏待人工接管",
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)
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ASSET_REVIEW = "asset_review", "知识资产待审核"
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TOOL_CONFIRMATION = "tool_confirmation", "高风险工具待确认"
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class WorkItem(models.Model):
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public_id = models.UUIDField(default=uuid.uuid4, unique=True, editable=False)
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task_type = models.CharField(max_length=64, choices=WorkItemType.choices)
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status = models.CharField(
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max_length=24,
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choices=WorkItemStatus.choices,
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default=WorkItemStatus.ACTIVE,
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)
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object_type = models.CharField(max_length=64)
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object_id = models.CharField(max_length=80)
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ticket = models.ForeignKey(
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"tickets.Ticket",
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null=True,
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blank=True,
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on_delete=models.CASCADE,
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related_name="work_items",
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)
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title = models.CharField(max_length=200)
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description = models.TextField(blank=True)
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payload = models.JSONField(default=dict, blank=True)
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assignee = models.ForeignKey(
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settings.AUTH_USER_MODEL,
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null=True,
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blank=True,
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on_delete=models.SET_NULL,
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related_name="assigned_work_items",
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)
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created_by = models.ForeignKey(
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settings.AUTH_USER_MODEL,
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null=True,
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blank=True,
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on_delete=models.SET_NULL,
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related_name="created_work_items",
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)
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completed_by = models.ForeignKey(
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settings.AUTH_USER_MODEL,
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null=True,
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blank=True,
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on_delete=models.SET_NULL,
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related_name="completed_work_items",
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)
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completed_at = models.DateTimeField(null=True, blank=True)
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due_at = models.DateTimeField(null=True, blank=True, db_index=True)
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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class Meta:
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ordering = ["-created_at"]
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constraints = [
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models.UniqueConstraint(
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fields=["task_type", "object_type", "object_id"],
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condition=Q(status=WorkItemStatus.ACTIVE),
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name="unique_active_work_item_target",
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)
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]
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indexes = [
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models.Index(fields=["status", "task_type", "created_at"]),
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models.Index(fields=["object_type", "object_id"]),
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models.Index(fields=["assignee", "status", "created_at"]),
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]
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