feat: initial commit - Phase 1 & 2 core features

backend/app/api/v1/metadata.py

@@ -0,0 +1,66 @@
+from typing import Optional
+from fastapi import APIRouter, Depends, Query
+from sqlalchemy.orm import Session
+
+from app.core.database import get_db
+from app.models.user import User
+from app.schemas.metadata import DatabaseOut, DataTableOut, DataColumnOut
+from app.schemas.common import ResponseModel, ListResponse
+from app.services import metadata_service
+from app.api.deps import get_current_user
+
+router = APIRouter()
+
+
+@router.get("/tree")
+def get_tree(
+    source_id: Optional[int] = Query(None),
+    db: Session = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+):
+    tree = metadata_service.build_tree(db, source_id=source_id)
+    return ResponseModel(data=tree)
+
+
+@router.get("/databases")
+def list_databases(
+    source_id: Optional[int] = Query(None),
+    db: Session = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+):
+    items = metadata_service.list_databases(db, source_id=source_id)
+    return ResponseModel(data=[DatabaseOut.model_validate(i) for i in items])
+
+
+@router.get("/tables")
+def list_tables(
+    database_id: Optional[int] = Query(None),
+    keyword: Optional[str] = Query(None),
+    db: Session = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+):
+    items, total = metadata_service.list_tables(db, database_id=database_id, keyword=keyword)
+    return ListResponse(data=[DataTableOut.model_validate(i) for i in items], total=total, page=1, page_size=len(items))
+
+
+@router.get("/columns")
+def list_columns(
+    table_id: Optional[int] = Query(None),
+    keyword: Optional[str] = Query(None),
+    page: int = Query(1, ge=1),
+    page_size: int = Query(50, ge=1, le=500),
+    db: Session = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+):
+    items, total = metadata_service.list_columns(db, table_id=table_id, keyword=keyword, page=page, page_size=page_size)
+    return ListResponse(data=[DataColumnOut.model_validate(i) for i in items], total=total, page=page, page_size=page_size)
+
+
+@router.post("/sync/{source_id}")
+def sync_metadata(
+    source_id: int,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+):
+    result = metadata_service.sync_metadata(db, source_id, current_user.id)
+    return ResponseModel(data=result)