146 lines
4.8 KiB
Python
146 lines
4.8 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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OVERFLOW_YES = 'yes'
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OVERFLOW_NO = 'no'
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def add_tank(name: str, id: str, x: float, y: float, elevation: float, init_level: float = 0, min_level: float = 0, max_level: float = 0, diameter: float = 0, min_vol: float = 0) -> ChangeSet:
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sql = f"insert into tanks (id, elevation, init_level, min_level, max_level, diameter, min_vol) values ('{id}', {elevation}, {init_level}, {min_level}, {max_level}, {diameter}, {min_vol});"
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undo_sql = f'delete from tanks where id = "{id}";'
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return add_node(name, TANK, id, x, y, sql, undo_sql)
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def _get_tank(name: str, id: str) -> Row | None:
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return query(name, f"select elevation, init_level, min_level, max_level, diameter, min_vol, vol_curve, overflow from tanks where id = '{id}'")
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def delete_tank(name: str, id: str) -> ChangeSet:
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if not is_tank(name, id):
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return ChangeSet()
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row = _get_tank(name, id)
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if row == None:
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return ChangeSet()
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elevation = row['elevation']
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init_level = row['init_level']
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min_level = row['min_level']
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max_level = row['max_level']
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diameter = row['diameter']
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min_vol = row['min_vol']
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vol_curve = decorate(row['vol_curve'], 'str', True)
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overflow = decorate(row['overflow'], 'str', True)
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sql = f"delete from tanks where id = '{id}';"
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undo_sql = f'insert into tanks (id, elevation, init_level, min_level, max_level, diameter, min_vol, vol_curve, overflow) values ("{id}", {elevation}, {init_level}, {min_level}, {max_level}, {diameter}, {min_vol}, {vol_curve}, {overflow});'
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return delete_node(name, TANK, id, sql, undo_sql)
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def get_tank_elevation(name: str, id: str) -> float | None:
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row = _get_tank(name, id)
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return float(row['elevation']) if row != None else None
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def get_tank_init_level(name: str, id: str) -> float | None:
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row = _get_tank(name, id)
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return float(row['init_level']) if row != None else None
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def get_tank_min_level(name: str, id: str) -> float | None:
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row = _get_tank(name, id)
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return float(row['min_level']) if row != None else None
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def get_tank_max_level(name: str, id: str) -> float | None:
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row = _get_tank(name, id)
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return float(row['max_level']) if row != None else None
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def get_tank_diameter(name: str, id: str) -> float | None:
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row = _get_tank(name, id)
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return float(row['diameter']) if row != None else None
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def get_tank_min_vol(name: str, id: str) -> float | None:
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row = _get_tank(name, id)
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return float(row['min_vol']) if row != None else None
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def get_tank_vol_curve(name: str, id: str) -> str | None:
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row = _get_tank(name, id)
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if row != None:
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return row['vol_curve'] if row['vol_curve'] != None else 'NULL'
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else:
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return None
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def get_tank_overflow(name: str, id: str) -> str | None:
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row = _get_tank(name, id)
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if row != None:
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return row['overflow'] if row['overflow'] != None else 'NULL'
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else:
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return None
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def get_tank_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_tank(name: str, id: str, key: str, key_type: str, value: str, optional: bool = False) -> ChangeSet:
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if not is_tank(name, id):
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return ChangeSet()
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row = _get_tank(name, id)
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if row == None:
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return ChangeSet()
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return update(name, TANK, 'tanks', 'id', id, key, key_type, row[key], value, optional)
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def set_tank_elevation(name: str, id: str, elevation: float) -> ChangeSet:
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return _set_tank(name, id, 'elevation', 'float', elevation)
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def set_tank_init_level(name: str, id: str, init_level: float) -> ChangeSet:
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return _set_tank(name, id, 'init_level', 'float', init_level)
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def set_tank_min_level(name: str, id: str, min_level: float) -> ChangeSet:
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return _set_tank(name, id, 'min_level', 'float', min_level)
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def set_tank_max_level(name: str, id: str, max_level: float) -> ChangeSet:
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return _set_tank(name, id, 'max_level', 'float', max_level)
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def set_tank_diameter(name: str, id: str, diameter: float) -> ChangeSet:
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return _set_tank(name, id, 'diameter', 'float', diameter)
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def set_tank_min_vol(name: str, id: str, min_vol: float) -> ChangeSet:
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return _set_tank(name, id, 'min_vol', 'float', min_vol)
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def set_tank_vol_curve(name: str, id: str, vol_curve: str) -> ChangeSet:
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if not is_curve(name, vol_curve):
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return ChangeSet()
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return _set_tank(name, id, 'vol_curve', 'str', vol_curve, True)
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def set_tank_overflow(name: str, id: str, overflow: str) -> ChangeSet:
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if overflow != OVERFLOW_YES and overflow != OVERFLOW_NO:
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return ChangeSet()
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return _set_tank(name, id, 'overflow', 'str', overflow)
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def set_tank_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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