128 lines
4.8 KiB
Python
128 lines
4.8 KiB
Python
from django.db import models
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class SubmissionBatch(models.Model):
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"""
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资料包主对象，承接导入、会话绑定和目录汇总结果。
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Documents 模块负责维护资料包与文件的关系，
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不在模型层耦合 Agent 执行细节。
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"""
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STATUS_PENDING = "pending"
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STATUS_PROCESSING = "processing"
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STATUS_COMPLETED = "completed"
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STATUS_REVIEW_REQUIRED = "review_required"
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STATUS_FAILED = "failed"
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batch_id = models.CharField(max_length=64, unique=True, db_index=True)
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product_name = models.CharField(max_length=255, blank=True, db_index=True)
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workflow_type = models.CharField(max_length=64, default="registration")
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conversation_id = models.CharField(max_length=64, blank=True, db_index=True)
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file_count = models.PositiveIntegerField(default=0)
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page_count = models.PositiveIntegerField(default=0)
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chapter_summary = models.JSONField(default=list, blank=True)
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import_status = models.CharField(max_length=32, default=STATUS_PENDING, db_index=True)
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exception_count = models.PositiveIntegerField(default=0)
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created_at = models.DateTimeField(auto_now_add=True, db_index=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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def __str__(self) -> str:
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return self.product_name or self.batch_id
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def get_import_status_display_text(self) -> str:
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return {
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self.STATUS_PENDING: "待导入",
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self.STATUS_PROCESSING: "处理中",
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self.STATUS_COMPLETED: "已完成",
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self.STATUS_REVIEW_REQUIRED: "待复核",
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self.STATUS_FAILED: "失败",
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}.get(self.import_status, self.import_status)
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class UploadedDocument(models.Model):
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"""
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保存用户上传文档的元数据和入库状态。
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设计上只记录“文件属于哪个场景、当前是否已入库、失败原因是什么”，
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不把 RAG 细节耦合进模型层。
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"""
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# 文档状态用于驱动前端提示和后续可操作项。
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STATUS_UPLOADED = "uploaded"
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STATUS_INDEXED = "indexed"
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STATUS_FAILED = "failed"
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batch = models.ForeignKey(
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SubmissionBatch,
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related_name="documents",
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null=True,
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blank=True,
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on_delete=models.CASCADE,
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)
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scenario_id = models.CharField(max_length=100, db_index=True)
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original_name = models.CharField(max_length=255)
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file = models.FileField(upload_to="documents/%Y%m%d/")
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file_type = models.CharField(max_length=20)
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size = models.PositiveIntegerField(default=0)
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relative_path = models.CharField(max_length=500, blank=True)
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chapter_code = models.CharField(max_length=32, blank=True)
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document_role = models.CharField(max_length=64, blank=True)
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page_count = models.PositiveIntegerField(default=0)
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page_count_confidence = models.CharField(max_length=32, blank=True)
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chapter_match_status = models.CharField(max_length=32, blank=True)
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needs_manual_review = models.BooleanField(default=False)
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status = models.CharField(max_length=20, default=STATUS_UPLOADED, db_index=True)
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error_message = models.TextField(blank=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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def __str__(self) -> str:
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return self.original_name
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def get_status_display_text(self) -> str:
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"""为模板提供更适合演示的中文状态文案。"""
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return {
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self.STATUS_UPLOADED: "已上传，待入库",
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self.STATUS_INDEXED: "已入库，可检索",
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self.STATUS_FAILED: "入库失败",
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}.get(self.status, self.status)
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class ExportedDocument(models.Model):
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"""
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导出文件记录。
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该对象属于资料包治理范围：
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- Documents 维护导出产物与资料包关系
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- Chat 只负责触发导出动作
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- Audit 负责回看执行痕迹
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"""
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batch = models.ForeignKey(
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SubmissionBatch,
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related_name="export_records",
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on_delete=models.CASCADE,
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)
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conversation_id = models.CharField(max_length=64, db_index=True)
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product_name = models.CharField(max_length=255, blank=True, db_index=True)
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template_name = models.CharField(max_length=100, blank=True)
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template_version = models.CharField(max_length=50, blank=True)
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export_mode = models.CharField(max_length=32, db_index=True)
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output_type = models.CharField(max_length=100, default="registration_word_export_report")
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file_name = models.CharField(max_length=255)
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relative_path = models.CharField(max_length=500)
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download_url = models.CharField(max_length=500, blank=True)
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created_at = models.DateTimeField(auto_now_add=True, db_index=True)
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class Meta:
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ordering = ["-created_at"]
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def __str__(self) -> str:
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return self.file_name
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