304 lines
9.5 KiB
Python
304 lines
9.5 KiB
Python
from psycopg.rows import dict_row, Row
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from .connection import g_conn_dict as conn
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from .s0_base import *
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from .operation import *
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from .change_set import ChangeSet
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from .s24_coordinates import *
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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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if is_node(name, id):
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return
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with conn[name].cursor() as cur:
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sql = f"insert into _node (id, type) values ('{id}', 'TANK');"
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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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sql += f" insert into coordinates (node, coord) values ('{id}', '({x}, {y})');"
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cur.execute(sql)
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redo = sql.replace("'", '"')
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undo = f'delete from coordinates where node = "{id}";'
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undo += f' delete from tanks where id = "{id}";'
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undo += f' delete from _node where id = "{id}";'
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add_operation(name, redo, undo)
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change = ChangeSet()
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change.add('tank', id)
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return change
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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
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with conn[name].cursor(row_factory=dict_row) as cur:
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cur.execute(f"select * from tanks where id = '{id}'")
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row = cur.fetchone()
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if row == None:
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return
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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 = 'NULL' if row['vol_curve'] == None else row['vol_curve']
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vol_curve = f'"{vol_curve}"' if vol_curve != 'NULL' else vol_curve
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overflow = 'NULL' if row['overflow'] == None else row['overflow']
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cur.execute(f"select * from coordinates where node = '{id}'")
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row = cur.fetchone()
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if row == None:
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return
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coord = row['coord']
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sql = f"delete from coordinates where node = '{id}';"
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sql += f" delete from tanks where id = '{id}';"
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sql += f" delete from _node where id = '{id}';"
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cur.execute(sql)
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redo = sql.replace("'", '"')
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undo = f'insert into _node (id, type) values ("{id}", "JUNCTION");'
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undo += 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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undo += f' insert into coordinates (node, coord) values ("{id}", "{coord}");'
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add_operation(name, redo, undo)
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change = ChangeSet()
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change.delete('tank', id)
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return change
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def _get_tank(name: str, id: str) -> Row | None:
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with conn[name].cursor(row_factory=dict_row) as cur:
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cur.execute(f"select elevation, init_level, min_level, max_level, diameter, min_vol, vol_curve, overflow from tanks where id = '{id}'")
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return cur.fetchone()
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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_elevation(name: str, id: str, elevation: float) -> ChangeSet:
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if not is_tank(name, id):
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return
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old = get_tank_elevation(name, id)
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if old == None:
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return
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with conn[name].cursor() as cur:
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sql = f"update tanks set elevation = {elevation} where id = '{id}'"
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cur.execute(sql)
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redo = sql.replace("'", '"')
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undo = f'update tanks set elevation = {old} where id = "{id}"'
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add_operation(name, redo, undo)
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change = ChangeSet()
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change.update('tank', id, 'elevation', 'float', str(elevation))
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return change
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def set_tank_init_level(name: str, id: str, init_level: float) -> ChangeSet:
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if not is_tank(name, id):
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return
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old = get_tank_init_level(name, id)
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if old == None:
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return
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with conn[name].cursor() as cur:
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sql = f"update tanks set init_level = {init_level} where id = '{id}'"
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cur.execute(sql)
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redo = sql.replace("'", '"')
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undo = f'update tanks set init_level = {old} where id = "{id}"'
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add_operation(name, redo, undo)
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change = ChangeSet()
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change.update('tank', id, 'init_level', 'float', str(init_level))
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return change
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def set_tank_min_level(name: str, id: str, min_level: float) -> ChangeSet:
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if not is_tank(name, id):
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return
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old = get_tank_min_level(name, id)
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if old == None:
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return
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with conn[name].cursor() as cur:
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sql = f"update tanks set min_level = {min_level} where id = '{id}'"
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cur.execute(sql)
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redo = sql.replace("'", '"')
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undo = f'update tanks set min_level = {old} where id = "{id}"'
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add_operation(name, redo, undo)
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change = ChangeSet()
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change.update('tank', id, 'min_level', 'float', str(min_level))
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return change
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def set_tank_max_level(name: str, id: str, max_level: float) -> ChangeSet:
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if not is_tank(name, id):
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return
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old = get_tank_max_level(name, id)
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if old == None:
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return
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with conn[name].cursor() as cur:
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sql = f"update tanks set max_level = {max_level} where id = '{id}'"
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cur.execute(sql)
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redo = sql.replace("'", '"')
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undo = f'update tanks set max_level = {old} where id = "{id}"'
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add_operation(name, redo, undo)
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change = ChangeSet()
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change.update('tank', id, 'max_level', 'float', str(max_level))
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return change
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def set_tank_diameter(name: str, id: str, diameter: float) -> ChangeSet:
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if not is_tank(name, id):
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return
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old = get_tank_diameter(name, id)
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if old == None:
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return
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with conn[name].cursor() as cur:
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sql = f"update tanks set diameter = {diameter} where id = '{id}'"
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cur.execute(sql)
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redo = sql.replace("'", '"')
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undo = f'update tanks set diameter = {old} where id = "{id}"'
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add_operation(name, redo, undo)
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change = ChangeSet()
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change.update('tank', id, 'diameter', 'float', str(diameter))
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return change
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def set_tank_min_vol(name: str, id: str, min_vol: float) -> ChangeSet:
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if not is_tank(name, id):
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return
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old = get_tank_min_vol(name, id)
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if old == None:
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return
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with conn[name].cursor() as cur:
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sql = f"update tanks set min_vol = {min_vol} where id = '{id}'"
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cur.execute(sql)
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redo = sql.replace("'", '"')
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undo = f'update tanks set min_vol = {old} where id = "{id}"'
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add_operation(name, redo, undo)
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change = ChangeSet()
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change.update('tank', id, 'min_vol', 'float', str(min_vol))
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return change
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def set_tank_vol_curve(name: str, id: str, vol_curve: str) -> ChangeSet:
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if not is_tank(name, id):
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return
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if not is_curve(name, id):
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return
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old = get_tank_vol_curve(name, id)
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if old == None:
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return
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old = f'"{old}"' if old != 'NULL' else old
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with conn[name].cursor() as cur:
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sql = f"update tanks set vol_curve = '{vol_curve}' where id = '{id}'"
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cur.execute(sql)
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redo = sql.replace("'", '"')
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undo = f'update tanks set vol_curve = {old} where id = "{id}"'
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add_operation(name, redo, undo)
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change = ChangeSet()
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change.update('tank', id, 'vol_curve', 'str', str(vol_curve))
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return change
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OVERFLOW_YES = 'YES'
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OVERFLOW_NO = 'NO'
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def set_tank_overflow(name: str, id: str, overflow: str) -> ChangeSet:
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if overflow is not OVERFLOW_YES or overflow is not OVERFLOW_NO:
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return
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if not is_tank(name, id):
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return
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if not is_curve(name, id):
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return
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old = get_tank_overflow(name, id)
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if old == None:
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return
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old = f'"{old}"' if old != 'NULL' else old
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with conn[name].cursor() as cur:
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sql = f"update tanks set overflow = '{overflow}' where id = '{id}'"
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cur.execute(sql)
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redo = sql.replace("'", '"')
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undo = f'update tanks set overflow = {old} where id = "{id}"'
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add_operation(name, redo, undo)
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change = ChangeSet()
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change.update('tank', id, 'overflow', 'str', str(overflow))
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return change
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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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