添加获取项目信息接口及相关数据模型

app/infra/db/metadb/models.py

@@ -42,6 +42,7 @@ class Project(Base):
     code: Mapped[str] = mapped_column(String(50), unique=True)
     description: Mapped[str | None] = mapped_column(Text, nullable=True)
     gs_workspace: Mapped[str] = mapped_column(String(100), unique=True)
+    map_extent: Mapped[dict | None] = mapped_column(JSONB, nullable=True)
     status: Mapped[str] = mapped_column(String(20), default="active")
     created_at: Mapped[datetime] = mapped_column(
         DateTime(timezone=True), default=datetime.utcnow

app/infra/db/metadb/repositories/metadata_repository.py

@@ -61,10 +61,23 @@ class ProjectSummary:
     code: str
     description: Optional[str]
     gs_workspace: str
+    map_extent: Optional[dict]
     status: str
     project_role: str
 
 
+@dataclass(frozen=True)
+class ProjectDetail:
+    project_id: UUID
+    name: str
+    code: str
+    description: Optional[str]
+    gs_workspace: str
+    map_extent: Optional[dict]
+    status: str
+    geoserver: Optional[ProjectGeoServerInfo]
+
+
 class MetadataRepository:
     """元数据访问层（system_hub）"""
 
@@ -89,6 +102,30 @@ class MetadataRepository:
         )
         return result.scalar_one_or_none()
 
+    async def get_project_by_code(self, code: str) -> Optional[models.Project]:
+        result = await self.session.execute(
+            select(models.Project).where(models.Project.code == code)
+        )
+        return result.scalar_one_or_none()
+
+    async def get_project_detail_by_code(self, code: str) -> Optional[ProjectDetail]:
+        project = await self.get_project_by_code(code)
+        if not project:
+            return None
+        
+        geoserver = await self.get_geoserver_config(project.id)
+        
+        return ProjectDetail(
+            project_id=project.id,
+            name=project.name,
+            code=project.code,
+            description=project.description,
+            gs_workspace=project.gs_workspace,
+            map_extent=project.map_extent,
+            status=project.status,
+            geoserver=geoserver
+        )
+
     async def get_membership_role(
         self, project_id: UUID, user_id: UUID
     ) -> Optional[str]:
@@ -179,6 +216,7 @@ class MetadataRepository:
                 code=project.code,
                 description=project.description,
                 gs_workspace=project.gs_workspace,
+                map_extent=project.map_extent,
                 status=project.status,
                 project_role=role,
             )
@@ -196,6 +234,7 @@ class MetadataRepository:
                 code=project.code,
                 description=project.description,
                 gs_workspace=project.gs_workspace,
+                map_extent=project.map_extent,
                 status=project.status,
                 project_role="owner",
             )