66 lines
2.6 KiB
Python
66 lines
2.6 KiB
Python
from .operation import *
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from .s0_base import *
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LINK_STATUS_OPEN = 'OPEN'
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LINK_STATUS_CLOSED = 'CLOSED'
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LINK_STATUS_ACTIVE = 'ACTIVE'
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def get_status_schema(name: str) -> dict[str, dict[str, Any]]:
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return { 'link' : {'type': 'str' , 'optional': False , 'readonly': True },
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'status' : {'type': 'str' , 'optional': True , 'readonly': False},
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'setting' : {'type': 'float' , 'optional': True , 'readonly': False} }
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def get_status(name: str, link: str) -> dict[str, Any]:
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s = try_read(name, f"select * from status where link = '{link}'")
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if s == None:
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return { 'link': link, 'status': None, 'setting': None }
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d = {}
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d['link'] = str(s['link'])
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d['status'] = str(s['status']) if s['status'] != None else None
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d['setting'] = float(s['setting']) if s['setting'] != None else None
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return d
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class Status(object):
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def __init__(self, input: dict[str, Any]) -> None:
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self.type = 'status'
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self.link = str(input['link'])
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self.status = str(input['status']) if 'status' in input and input['status'] != None else None
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self.setting = float(input['setting']) if 'setting' in input and input['setting'] != None else None
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self.f_type = f"'{self.type}'"
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self.f_link = f"'{self.link}'"
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self.f_status = f"'{self.status}'" if self.status != None else 'null'
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self.f_setting = self.setting if self.setting != None else 'null'
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def as_dict(self) -> dict[str, Any]:
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return { 'type': self.type, 'link': self.link, 'status': self.status, 'setting': self.setting }
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def set_status(name: str, cs: ChangeSet) -> ChangeSet:
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old = Status(get_status(name, cs.operations[0]['link']))
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raw_new = get_status(name, cs.operations[0]['link'])
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new_dict = cs.operations[0]
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schema = get_status_schema(name)
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for key, value in schema.items():
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if key in new_dict and not value['readonly']:
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raw_new[key] = new_dict[key]
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new = Status(raw_new)
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redo_sql = f"delete from status where link = {new.f_link};"
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if new.status != None or new.setting != None:
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redo_sql += f"\ninsert into status (link, status, setting) values ({new.f_link}, {new.f_status}, {new.f_setting});"
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undo_sql = f"delete from status where link = {old.f_link};"
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if old.status != None or old.setting != None:
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undo_sql += f"\ninsert into status (link, status, setting) values ({old.f_link}, {old.f_status}, {old.f_setting});"
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redo_cs = g_update_prefix | new.as_dict()
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undo_cs = g_update_prefix | old.as_dict()
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return execute_command(name, redo_sql, undo_sql, redo_cs, undo_cs)
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