Add api to query type

api/operation.py

@@ -34,7 +34,7 @@ def _query_redo(name: str, id: str) -> dict[str, str]:
         cur.execute(f"select redo from operation where id = {id}")
         return cur.fetchone()['redo']
 
-def _set_redo_child(name: str, id: str, child:str) -> None:
+def _set_redo_child(name: str, id: str, child: str) -> None:
     with conn[name].cursor() as cur:
         cur.execute(f"update operation set redo_child = {child} where id = {id}")
 

api/s0_base.py

@@ -78,9 +78,27 @@ def _get_impl(name: str, id: str, table: str) -> dict[str, str]:
 def get_node(name: str, id: str) -> dict[str, str]:
     return _get_impl(name, id, _NODE)
 
+def is_junction(name: str, id: str) -> bool:
+    return get_node(name, id)['type'] == JUNCTION
+
+def is_reservoir(name: str, id: str) -> bool:
+    return get_node(name, id)['type'] == RESERVOIR
+
+def is_tank(name: str, id: str) -> bool:
+    return get_node(name, id)['type'] == TANK
+
 def get_link(name: str, id: str) -> dict[str, str]:
     return _get_impl(name, id, _LINK)
 
+def is_pipe(name: str, id: str) -> bool:
+    return get_link(name, id)['type'] == PIPE
+
+def is_pump(name: str, id: str) -> bool:
+    return get_link(name, id)['type'] == PUMP
+
+def is_valve(name: str, id: str) -> bool:
+    return get_link(name, id)['type'] == VALVE
+
 def get_curve(name: str, id: str) -> dict[str, str]:
     return _get_impl(name, id, _CURVE)
 

tjnetwork_new.py

@@ -40,6 +40,15 @@ def add_node(name: str, node_id: str, node_type: str) -> None:
 def have_node(name: str, node_id: str) -> bool:
     return _0.have_node(name, node_id)
 
+def is_junction(name: str, node_id: str) -> bool:
+    return _0.is_junction(name, node_id)
+
+def is_reservoir(name: str, node_id: str) -> bool:
+    return _0.is_reservoir(name, node_id)
+
+def is_tank(name: str, node_id: str) -> bool:
+    return _0.is_tank(name, node_id)
+
 def delete_node(name: str, node_id: str) -> None:
     return _0.delete_node(name, node_id)
 
@@ -49,6 +58,15 @@ def add_link(name: str, link_id: str, link_type: str) -> None:
 def have_link(name: str, link_id: str) -> bool:
     return _0.have_link(name, link_id)
 
+def is_pipe(name: str, link_id: str) -> bool:
+    return _0.is_pipe(name, link_id)
+
+def is_pump(name: str, link_id: str) -> bool:
+    return _0.is_pump(name, link_id)
+
+def is_valve(name: str, link_id: str) -> bool:
+    return _0.is_valve(name, link_id)
+
 def delete_link(name: str, link_id: str) -> None:
     return _0.delete_link(name, link_id)