83 lines
2.5 KiB
Python
83 lines
2.5 KiB
Python
from psycopg.rows import Row
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from .s0_base import *
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from .change_set import ChangeSet
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from .utility import *
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def add_pump(name: str, id: str, node1: str, node2: str) -> ChangeSet:
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if not is_node(name, node1):
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return ChangeSet()
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if not is_node(name, node2):
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return ChangeSet()
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sql = f"insert into pumps (id, node1, node2) values ('{id}', '{node1}', '{node2}'');"
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undo_sql = f'delete from pumps where id = "{id}";'
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return add_link(name, PUMP, id, sql, undo_sql)
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def _get_pump(name: str, id: str) -> Row | None:
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return query(name, f"select node1, node2 from pumps where id = '{id}'")
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def delete_pump(name: str, id: str) -> ChangeSet:
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if not is_pump(name, id):
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return ChangeSet()
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row = _get_pump(name, id)
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if row == None:
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return ChangeSet()
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node1, node2 = row['node1'], row['node2']
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sql = f"delete from pumps where id = '{id}';"
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undo_sql = f'insert into pumps (id, node1, node2) values ("{id}", "{node1}", "{node2}");'
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return delete_link(name, PUMP, id, sql, undo_sql)
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def get_pump_node1(name: str, id: str) -> str | None:
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row = _get_pump(name, id)
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return float(row['node1']) if row != None else None
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def get_pump_node2(name: str, id: str) -> str | None:
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row = _get_pump(name, id)
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return float(row['node2']) if row != None else None
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def get_pump_power(name: str, id: str) -> str | None: pass
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def get_pump_speed(name: str, id: str) -> str | None: pass
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def get_pump_head(name: str, id: str) -> str | None: pass
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def get_pump_pattern(name: str, id: str) -> str | None: pass
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def _set_pump(name: str, id: str, key: str, key_type: str, value: str, optional: bool = False) -> ChangeSet:
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if not is_pump(name, id):
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return ChangeSet()
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row = _get_pump(name, id)
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if row == None:
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return ChangeSet()
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return update(name, PUMP, 'pumps', 'id', id, key, key_type, row[key], value, optional)
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def set_pump_node1(name: str, id: str, node1: str) -> ChangeSet:
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if not is_node(name, node1):
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return ChangeSet()
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return _set_pump(name, id, 'node1', 'str', str(node1))
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def set_pump_node2(name: str, id: str, node2: str) -> ChangeSet:
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if not is_node(name, node2):
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return ChangeSet()
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return _set_pump(name, id, 'node2', 'str', str(node2))
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def set_pump_power(name: str, id: str) -> ChangeSet: pass
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def set_pump_speed(name: str, id: str) -> ChangeSet: pass
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def set_pump_head(name: str, id: str) -> ChangeSet: pass
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def set_pump_pattern(name: str, id: str) -> ChangeSet: pass
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