from typing import Any from ..core.database import ( ChangeSet, DatabaseCommand, execute_command, execute_locked_command, g_add_prefix, g_delete_prefix, g_update_prefix, read_all, sql_literal, try_read, ) def get_pump_schema(name: str) -> dict[str, dict[str, Any]]: return { 'id' : {'type': 'str' , 'optional': False , 'readonly': True }, 'node1' : {'type': 'str' , 'optional': False , 'readonly': False}, 'node2' : {'type': 'str' , 'optional': False , 'readonly': False}, 'power' : {'type': 'float' , 'optional': True , 'readonly': False}, 'head' : {'type': 'str' , 'optional': True , 'readonly': False}, 'speed' : {'type': 'float' , 'optional': True , 'readonly': False}, 'pattern' : {'type': 'str' , 'optional': True , 'readonly': False} } def get_pump(name: str, id: str) -> dict[str, Any]: p = try_read(name, "select l.id, l.start_node_id as node1, l.end_node_id as node2, p.power, p.head_curve_id as head, p.speed, p.pattern_id as pattern from network.links l join network.pumps p on p.link_id = l.id where l.id = %s", (id,)) if p == None: return {} d = {} d['id'] = str(p['id']) d['node1'] = str(p['node1']) d['node2'] = str(p['node2']) d['power'] = float(p['power']) if p['power'] != None else None d['head'] = str(p['head']) if p['head'] != None else None d['speed'] = float(p['speed']) if p['speed'] != None else None d['pattern'] = str(p['pattern']) if p['pattern'] != None else None return d # DingZQ, 2025-03-29 def get_all_pumps(name: str) -> list[dict[str, Any]]: rows = read_all( name, "SELECT id, start_node_id AS node1, end_node_id AS node2, power, " "head_curve_id AS head, speed, pattern_id AS pattern " "FROM gis.pumps ORDER BY id", ) if rows == None: return [] result = [] for row in rows: d = {} d['id'] = str(row['id']) d['node1'] = str(row['node1']) d['node2'] = str(row['node2']) d['power'] = float(row['power']) if row['power'] != None else None d['head'] = str(row['head']) if row['head'] != None else None d['speed'] = float(row['speed']) if row['speed'] != None else None d['pattern'] = str(row['pattern']) if row['pattern'] != None else None result.append(d) return result class Pump(object): def __init__(self, input: dict[str, Any]) -> None: self.type = 'pump' self.id = str(input['id']) self.node1 = str(input['node1']) self.node2 = str(input['node2']) self.power = float(input['power']) if 'power' in input and input['power'] != None else None self.head = str(input['head']) if 'head' in input and input['head'] != None else None self.speed = float(input['speed']) if 'speed' in input and input['speed'] != None else None self.pattern = str(input['pattern']) if 'pattern' in input and input['pattern'] != None else None self.f_type = sql_literal(self.type) self.f_id = sql_literal(self.id) self.f_node1 = sql_literal(self.node1) self.f_node2 = sql_literal(self.node2) self.f_power = sql_literal(self.power) self.f_head = sql_literal(self.head) self.f_speed = sql_literal(self.speed) self.f_pattern = sql_literal(self.pattern) def as_dict(self) -> dict[str, Any]: return { 'type': self.type, 'id': self.id, 'node1': self.node1, 'node2': self.node2, 'power': self.power, 'head': self.head, 'speed': self.speed, 'pattern': self.pattern } def _set_pump( name: str, cs: ChangeSet, current: dict[str, Any] | None = None, ) -> DatabaseCommand: raw_new = current if current is not None else get_pump(name, cs.operations[0]['id']) new_dict = cs.operations[0] schema = get_pump_schema(name) for key, value in schema.items(): if key in new_dict and not value['readonly']: raw_new[key] = new_dict[key] new = Pump(raw_new) statement = f"update network.links set start_node_id = {new.f_node1}, end_node_id = {new.f_node2} where id = {new.f_id};" statement += f"\nupdate network.pumps set power = {new.f_power}, head_curve_id = {new.f_head}, speed = {new.f_speed}, pattern_id = {new.f_pattern} where link_id = {new.f_id};" change = g_update_prefix | new.as_dict() return DatabaseCommand(statement, [change]) def set_pump(name: str, cs: ChangeSet) -> ChangeSet: operation = cs.operations[0] if 'id' not in operation: return ChangeSet() def build_command() -> DatabaseCommand | None: current = get_pump(name, operation['id']) return None if current == {} else _set_pump(name, cs, current) return execute_locked_command(name, build_command) def _add_pump(name: str, cs: ChangeSet) -> DatabaseCommand: new = Pump(cs.operations[0]) 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});" statement += f"\ninsert into network.pumps (link_id, power, head_curve_id, speed, pattern_id) values ({new.f_id}, {new.f_power}, {new.f_head}, {new.f_speed}, {new.f_pattern});" change = g_add_prefix | new.as_dict() return DatabaseCommand(statement, [change]) def add_pump(name: str, cs: ChangeSet) -> ChangeSet: if 'id' not in cs.operations[0]: return ChangeSet() if get_pump(name, cs.operations[0]['id']) != {}: return ChangeSet() return execute_command(name, _add_pump(name, cs)) def _delete_pump(name: str, cs: ChangeSet) -> DatabaseCommand: element_id = str(cs.operations[0]['id']) f_id = sql_literal(element_id) statement = f"delete from network.links where id = {f_id};" change = g_delete_prefix | {'type': 'pump', 'id': element_id} return DatabaseCommand(statement, [change]) def delete_pump(name: str, cs: ChangeSet) -> ChangeSet: if 'id' not in cs.operations[0]: return ChangeSet() if get_pump(name, cs.operations[0]['id']) == {}: return ChangeSet() return execute_command(name, _delete_pump(name, cs)) #-------------------------------------------------------------- # [EPA2][EPA3][IN][OUT] # id node1 node2 KEYWORD value {KEYWORD value ...} ;desc # where KEYWORD = [POWER,HEAD,PATTERN,SPEED] #-------------------------------------------------------------- def inp_in_pump(line: str) -> str: tokens = line.split() num = len(tokens) has_desc = tokens[-1].startswith(';') num_without_desc = (num - 1) if has_desc else num id = str(tokens[0]) node1 = str(tokens[1]) node2 = str(tokens[2]) props = {} for i in range(3, num_without_desc, 2): props |= { tokens[i].lower(): tokens[i + 1] } power = float(props['power']) if 'power' in props else None head = str(props['head']) if 'head' in props else None speed = float(props['speed']) if 'speed' in props else None pattern = str(props['pattern']) if 'pattern' in props else None desc = str(tokens[-1]) if has_desc else None return str(f"insert into network.links (id, link_type, start_node_id, end_node_id) values ({sql_literal(id)}, 'pump', {sql_literal(node1)}, {sql_literal(node2)});insert into network.pumps (link_id, power, head_curve_id, speed, pattern_id) values ({sql_literal(id)}, {sql_literal(power)}, {sql_literal(head)}, {sql_literal(speed)}, {sql_literal(pattern)});") def inp_out_pump(name: str) -> list[str]: lines = [] objs = read_all(name, 'select l.id, l.start_node_id as node1, l.end_node_id as node2, p.power, p.head_curve_id as head, p.speed, p.pattern_id as pattern from network.links l join network.pumps p on p.link_id = l.id order by l.id') for obj in objs: id = obj['id'] node1 = obj['node1'] node2 = obj['node2'] power = f"POWER {obj['power']}" if obj['power'] != None else '' head = f"HEAD {obj['head']}" if obj['head'] != None else '' speed = f"SPEED {obj['speed']}" if obj['speed'] != None else '' pattern = f"PATTERN {obj['pattern']}" if obj['pattern'] != None else '' desc = ';' lines.append(f'{id} {node1} {node2} {power} {head} {speed} {pattern} {desc}') return lines def unset_pump_by_curve(name: str, curve: str) -> ChangeSet: cs = ChangeSet() rows = read_all(name, "select link_id as id, power from network.pumps where head_curve_id = %s", (curve,)) for row in rows: if row['power'] != None: cs.append(g_update_prefix | {'type': 'pump', 'id': row['id'], 'head': None}) else: # workaround to prevent pump deletion... and I don't want to remove constraint... cs.append(g_update_prefix | {'type': 'pump', 'id': row['id'], 'head': None, 'power': 0.0}) return cs def unset_pump_by_pattern(name: str, pattern: str) -> ChangeSet: cs = ChangeSet() rows = read_all(name, "select link_id as id from network.pumps where pattern_id = %s", (pattern,)) for row in rows: cs.append(g_update_prefix | {'type': 'pump', 'id': row['id'], 'pattern': None}) return cs