新增课程起止日期管理

backend/app/schemas/certificate.py

@@ -1,6 +1,6 @@
 from datetime import date, datetime
 
-from pydantic import BaseModel, Field, field_validator
+from pydantic import BaseModel, Field, ValidationInfo, field_validator
 
 
 class CertificateCreate(BaseModel):
@@ -10,6 +10,8 @@ class CertificateCreate(BaseModel):
     class_name: str | None = Field(default=None, max_length=128)
     course_name: str | None = Field(default=None, max_length=128)
     stage_name: str | None = Field(default=None, max_length=128)
+    course_start_date: date
+    course_end_date: date
     issue_date: date
     issuer_name: str = Field(min_length=1, max_length=128)
     remark: str | None = None
@@ -19,6 +21,14 @@ class CertificateCreate(BaseModel):
     def normalize_project_code(cls, value: str) -> str:
         return value.strip().upper()
 
+    @field_validator("course_end_date")
+    @classmethod
+    def validate_course_period(cls, value: date, info: ValidationInfo) -> date:
+        start_date = info.data.get("course_start_date")
+        if start_date and value < start_date:
+            raise ValueError("课程结束日期不能早于课程开始日期")
+        return value
+
 
 class CertificateOut(BaseModel):
     id: int
@@ -31,6 +41,8 @@ class CertificateOut(BaseModel):
     class_name: str | None
     course_name: str | None
     stage_name: str | None
+    course_start_date: date | None
+    course_end_date: date | None
     issue_date: date
     issuer_name: str
     status: str