55 lines
2.2 KiB
Python
55 lines
2.2 KiB
Python
"""打印中心模型：PrintSettings（租户抬头）+ PrintTemplate（单据模板）。"""
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from django.db import models
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from apps.core.base_models import TenantScopedModel
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class PrintSettings(TenantScopedModel):
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"""租户打印抬头（单例：每租户一条，code 固定 default）。"""
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company_name = models.CharField(max_length=128, blank=True, default="")
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phone = models.CharField(max_length=64, blank=True, default="")
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address = models.CharField(max_length=255, blank=True, default="")
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bank_info = models.CharField(max_length=255, blank=True, default="", help_text="开户行/账号")
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footer_note = models.CharField(max_length=255, blank=True, default="", help_text="页脚备注（如：货已验收，概不退换）")
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logo_url = models.URLField(blank=True, default="")
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class Meta:
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db_table = "printing_settings"
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verbose_name_plural = "打印抬头"
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ordering = ["id"]
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def __str__(self):
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return f"{self.company_name or '未设置抬头'}"
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class PrintTemplate(TenantScopedModel):
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"""打印模板（用户可编辑的 HTML 片段，使用安全占位符语法）。
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doc_type: sales_bill / purchase_bill
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语法：{{path}} 取值、{{#each lines}}…{{/each}} 行循环（循环内用 {{item.xxx}}）。
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自研占位符渲染，不走 Django 模板引擎，杜绝模板注入。
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"""
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DOC_TYPE_CHOICES = [
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("sales_bill", "销售单/送货单"),
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("purchase_bill", "采购单/进货单"),
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]
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code = models.CharField(max_length=64, help_text="模板代码（租户内唯一）")
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name = models.CharField(max_length=128)
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doc_type = models.CharField(max_length=32, choices=DOC_TYPE_CHOICES)
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body_html = models.TextField(help_text="模板正文（安全占位符语法）")
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paper_size = models.CharField(max_length=16, default="A4")
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is_default = models.BooleanField(default=False, help_text="该单据类型的默认模板")
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class Meta:
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db_table = "printing_template"
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unique_together = [("tenant", "code")]
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verbose_name_plural = "打印模板"
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ordering = ["doc_type", "code"]
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def __str__(self):
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return f"[{self.doc_type}] {self.code}"
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