210 lines
7.6 KiB
Python
210 lines
7.6 KiB
Python
from typing import Any
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from ..core.database import (
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ChangeSet,
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DatabaseCommand,
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execute_command,
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execute_locked_command,
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g_add_prefix,
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g_delete_prefix,
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g_update_prefix,
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read_all,
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sql_literal,
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try_read,
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)
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VALVES_TYPE_PRV = 'PRV'
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VALVES_TYPE_PSV = 'PSV'
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VALVES_TYPE_PBV = 'PBV'
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VALVES_TYPE_FCV = 'FCV'
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VALVES_TYPE_TCV = 'TCV'
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VALVES_TYPE_GPV = 'GPV'
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def get_valve_schema(name: str) -> dict[str, dict[str, Any]]:
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return { 'id' : {'type': 'str' , 'optional': False , 'readonly': True },
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'node1' : {'type': 'str' , 'optional': False , 'readonly': False},
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'node2' : {'type': 'str' , 'optional': False , 'readonly': False},
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'diameter' : {'type': 'float' , 'optional': False , 'readonly': False},
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'v_type' : {'type': 'str' , 'optional': False , 'readonly': False},
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'setting' : {'type': 'str' , 'optional': False , 'readonly': False},
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'minor_loss' : {'type': 'float' , 'optional': False , 'readonly': False} }
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def get_valve(name: str, id: str) -> dict[str, Any]:
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p = try_read(name, "select l.id, l.start_node_id as node1, l.end_node_id as node2, v.diameter, v.valve_type as v_type, v.setting, v.minor_loss from network.links l join network.valves v on v.link_id = l.id where l.id = %s", (id,))
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if p == None:
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return {}
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d = {}
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d['id'] = str(p['id'])
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d['node1'] = str(p['node1'])
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d['node2'] = str(p['node2'])
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d['diameter'] = float(p['diameter'])
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d['v_type'] = str(p['v_type'])
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d['setting'] = str(p['setting'])
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d['minor_loss'] = float(p['minor_loss'])
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return d
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def get_all_valves(name: str) -> list[dict[str, Any]]:
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rows = read_all(
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name,
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"SELECT id, start_node_id AS node1, end_node_id AS node2, diameter, "
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"valve_type AS v_type, setting, minor_loss FROM gis.valves ORDER BY id",
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)
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if rows == None:
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return []
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result = []
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for row in rows:
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d = {}
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d['id'] = str(row['id'])
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d['node1'] = str(row['node1'])
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d['node2'] = str(row['node2'])
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d['diameter'] = float(row['diameter'])
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d['v_type'] = str(row['v_type'])
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d['setting'] = str(row['setting'])
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d['minor_loss'] = float(row['minor_loss'])
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result.append(d)
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return result
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class Valve(object):
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def __init__(self, input: dict[str, Any]) -> None:
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self.type = 'valve'
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self.id = str(input['id'])
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self.node1 = str(input['node1'])
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self.node2 = str(input['node2'])
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self.diameter = float(input['diameter'])
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self.v_type = str(input['v_type'])
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self.setting = str(input['setting'])
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self.minor_loss = float(input['minor_loss'])
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self.f_type = sql_literal(self.type)
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self.f_id = sql_literal(self.id)
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self.f_node1 = sql_literal(self.node1)
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self.f_node2 = sql_literal(self.node2)
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self.f_diameter = sql_literal(self.diameter)
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self.f_v_type = sql_literal(self.v_type)
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self.f_setting = sql_literal(self.setting)
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self.f_minor_loss = sql_literal(self.minor_loss)
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def as_dict(self) -> dict[str, Any]:
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return { 'type': self.type, 'id': self.id, 'node1': self.node1, 'node2': self.node2, 'diameter': self.diameter, 'v_type': self.v_type, 'setting': self.setting, 'minor_loss': self.minor_loss }
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def _set_valve(
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name: str,
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cs: ChangeSet,
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current: dict[str, Any] | None = None,
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) -> DatabaseCommand:
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raw_new = current if current is not None else get_valve(name, cs.operations[0]['id'])
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new_dict = cs.operations[0]
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schema = get_valve_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 = Valve(raw_new)
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statement = f"update network.links set start_node_id = {new.f_node1}, end_node_id = {new.f_node2} where id = {new.f_id};"
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statement += f"\nupdate network.valves set diameter = {new.f_diameter}, valve_type = {new.f_v_type}, setting = {new.f_setting}, minor_loss = {new.f_minor_loss} where link_id = {new.f_id};"
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change = g_update_prefix | new.as_dict()
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return DatabaseCommand(statement, [change])
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def set_valve(name: str, cs: ChangeSet) -> ChangeSet:
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operation = cs.operations[0]
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if 'id' not in operation:
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return ChangeSet()
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def build_command() -> DatabaseCommand | None:
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current = get_valve(name, operation['id'])
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return None if current == {} else _set_valve(name, cs, current)
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return execute_locked_command(name, build_command)
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def _add_valve(name: str, cs: ChangeSet) -> DatabaseCommand:
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new = Valve(cs.operations[0])
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statement = f"insert into network.links (id, link_type, start_node_id, end_node_id) values ({new.f_id}, {new.f_type}, {new.f_node1}, {new.f_node2});"
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statement += f"\ninsert into network.valves (link_id, diameter, valve_type, setting, minor_loss) values ({new.f_id}, {new.f_diameter}, {new.f_v_type}, {new.f_setting}, {new.f_minor_loss});"
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change = g_add_prefix | new.as_dict()
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return DatabaseCommand(statement, [change])
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def add_valve(name: str, cs: ChangeSet) -> ChangeSet:
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if 'id' not in cs.operations[0]:
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return ChangeSet()
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if get_valve(name, cs.operations[0]['id']) != {}:
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return ChangeSet()
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return execute_command(name, _add_valve(name, cs))
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def _delete_valve(name: str, cs: ChangeSet) -> DatabaseCommand:
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element_id = str(cs.operations[0]['id'])
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f_id = sql_literal(element_id)
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statement = f"delete from network.links where id = {f_id};"
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change = g_delete_prefix | {'type': 'valve', 'id': element_id}
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return DatabaseCommand(statement, [change])
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def delete_valve(name: str, cs: ChangeSet) -> ChangeSet:
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if 'id' not in cs.operations[0]:
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return ChangeSet()
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if get_valve(name, cs.operations[0]['id']) == {}:
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return ChangeSet()
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return execute_command(name, _delete_valve(name, cs))
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#--------------------------------------------------------------
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# [EPA2][EPA3][IN][OUT]
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# id node1 node2 diam type setting (lcoeff lcurve)
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# for GPV, setting is string = head curve id
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# [NOT SUPPORT] for PCV, add loss curve if present
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#--------------------------------------------------------------
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def inp_in_valve(line: str) -> str:
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tokens = line.split()
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num = len(tokens)
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has_desc = tokens[-1].startswith(';')
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num_without_desc = (num - 1) if has_desc else num
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id = str(tokens[0])
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node1 = str(tokens[1])
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node2 = str(tokens[2])
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diameter = float(tokens[3])
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v_type = str(tokens[4].upper())
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setting = str(tokens[5])
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minor_loss = float(tokens[6]) if len(tokens) >= 7 else 0.0
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desc = str(tokens[-1]) if has_desc else None
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return str(f"insert into network.links (id, link_type, start_node_id, end_node_id) values ({sql_literal(id)}, 'valve', {sql_literal(node1)}, {sql_literal(node2)});insert into network.valves (link_id, diameter, valve_type, setting, minor_loss) values ({sql_literal(id)}, {sql_literal(diameter)}, {sql_literal(v_type)}, {sql_literal(setting)}, {sql_literal(minor_loss)});")
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def inp_out_valve(name: str) -> list[str]:
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lines = []
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objs = read_all(name, 'select l.id, l.start_node_id as node1, l.end_node_id as node2, v.diameter, v.valve_type as v_type, v.setting, v.minor_loss from network.links l join network.valves v on v.link_id = l.id order by l.id')
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for obj in objs:
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id = obj['id']
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node1 = obj['node1']
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node2 = obj['node2']
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diameter = obj['diameter']
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v_type = obj['v_type']
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setting = obj['setting']
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minor_loss = obj['minor_loss']
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desc = ';'
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lines.append(f'{id} {node1} {node2} {diameter} {v_type} {setting} {minor_loss} {desc}')
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return lines
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