76 lines
2.3 KiB
Python
76 lines
2.3 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 .s24_coordinates import *
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from .utility import *
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def add_reservoir(name: str, id: str, x: float, y: float, head: float) -> ChangeSet:
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sql = f"insert into reservoirs (id, head) values ('{id}', {head});"
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undo_sql = f'delete from reservoirs where id = "{id}";'
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return add_node(name, RESERVOIR, id, x, y, sql, undo_sql)
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def _get_reservoir(name: str, id: str) -> Row | None:
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return query(name, f"select head, pattern from reservoirs where id = '{id}'")
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def delete_reservoir(name: str, id: str) -> ChangeSet:
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if not is_reservoir(name, id):
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return ChangeSet()
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row = _get_reservoir(name, id)
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if row == None:
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return ChangeSet()
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head = row['head']
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pattern = decorate(row['pattern'], 'str', True)
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sql = f"delete from reservoirs where id = '{id}';"
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undo_sql = f'insert into reservoirs (id, head, pattern) values ("{id}", {head}, {pattern});'
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return delete_node(name, RESERVOIR, id, sql, undo_sql)
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def get_reservoir_head(name: str, id: str) -> float | None:
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row = _get_reservoir(name, id)
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return float(row['head']) if row != None else None
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def get_reservoir_pattern(name: str, id: str) -> str | None:
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row = _get_reservoir(name, id)
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if row != None:
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return row['pattern'] if row['pattern'] != None else 'NULL'
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else:
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return None
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def get_reservoir_coord(name: str, id: str) -> dict[str, float] | None:
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return get_node_coord(name, id)
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def _set_reservoir(name: str, id: str, key: str, key_type: str, value: str, optional: bool = False) -> ChangeSet:
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if not is_reservoir(name, id):
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return ChangeSet()
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row = _get_reservoir(name, id)
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if row == None:
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return ChangeSet()
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return update(name, RESERVOIR, 'reservoirs', 'id', id, key, key_type, row[key], value, optional)
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def set_reservoir_head(name: str, id: str, head: float) -> ChangeSet:
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return _set_reservoir(name, id, 'head', 'float', str(head))
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def set_reservoir_pattern(name: str, id: str, pattern: str) -> ChangeSet:
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if not is_pattern(name, id):
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return ChangeSet()
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return _set_reservoir(name, id, 'pattern', 'str', pattern, True)
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def set_reservoir_coord(name: str, id: str, x: float, y: float) -> ChangeSet:
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return set_node_coord(name, id, x, y)
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