Files
TJWaterServer/api/s27_backdrop.py
2024-01-13 15:02:22 +08:00

39 lines
1.3 KiB
Python

from .database import *
def get_backdrop_schema(name: str) -> dict[str, dict[str, Any]]:
return { 'content' : {'type': 'str' , 'optional': False , 'readonly': False} }
def get_backdrop(name: str) -> dict[str, Any]:
e = read(name, f"select * from backdrop")
return { 'content': e['content'] }
def _set_backdrop(name: str, cs: ChangeSet) -> DbChangeSet:
old = get_backdrop(name)
redo_sql = f"update backdrop set content = '{cs.operations[0]['content']}' where content = '{old['content']}';"
undo_sql = f"update backdrop set content = '{old['content']}' where content = '{cs.operations[0]['content']}';"
redo_cs = g_update_prefix | { 'type': 'backdrop', 'content': cs.operations[0]['content'] }
undo_cs = g_update_prefix | { 'type': 'backdrop', 'content': old['content'] }
return DbChangeSet(redo_sql, undo_sql, [redo_cs], [undo_cs])
def set_backdrop(name: str, cs: ChangeSet) -> ChangeSet:
return execute_command(name, _set_backdrop(name, cs))
def inp_in_backdrop(section: list[str]) -> str:
if section == []:
return str('')
content = '\n'.join(section)
return str(f"update backdrop set content = '{content}';")
def inp_out_backdrop(name: str) -> list[str]:
obj = str(get_backdrop(name)['content'])
return obj.split('\n')