103 lines
4.8 KiB
Python
103 lines
4.8 KiB
Python
from .operation import *
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from .s0_base import *
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def get_pump_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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'power' : {'type': 'float' , 'optional': True , 'readonly': False},
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'head' : {'type': 'str' , 'optional': True , 'readonly': False},
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'speed' : {'type': 'float' , 'optional': True , 'readonly': False},
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'pattern' : {'type': 'str' , 'optional': True , 'readonly': False} }
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def get_pump(name: str, id: str) -> dict[str, Any]:
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p = read(name, f"select * from pumps where id = '{id}'")
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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['power'] = float(p['power']) if p['power'] != None else None
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d['head'] = str(p['head']) if p['head'] != None else None
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d['speed'] = float(p['speed']) if p['speed'] != None else None
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d['pattern'] = str(p['pattern']) if p['pattern'] != None else None
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return d
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class Pump(object):
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def __init__(self, input: dict[str, Any]) -> None:
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self.type = 'pump'
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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.power = float(input['power']) if 'power' in input and input['power'] != None else None
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self.head = str(input['head']) if 'head' in input and input['head'] != None else None
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self.speed = float(input['speed']) if 'speed' in input and input['speed'] != None else None
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self.pattern = str(input['pattern']) if 'pattern' in input and input['pattern'] != None else None
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self.f_type = f"'{self.type}'"
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self.f_id = f"'{self.id}'"
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self.f_node1 = f"'{self.node1}'"
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self.f_node2 = f"'{self.node2}'"
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self.f_power = self.power if self.power != None else 'null'
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self.f_head = f"'{self.head}'" if self.head != None else 'null'
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self.f_speed = self.speed if self.speed != None else 'null'
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self.f_pattern = f"'{self.pattern}'" if self.pattern != None else 'null'
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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, 'power': self.power, 'head': self.head, 'speed': self.speed, 'pattern': self.pattern }
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def as_id_dict(self) -> dict[str, Any]:
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return { 'type': self.type, 'id': self.id }
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def set_pump(name: str, cs: ChangeSet) -> ChangeSet:
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old = Pump(get_pump(name, cs.operations[0]['id']))
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raw_new = get_pump(name, cs.operations[0]['id'])
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new_dict = cs.operations[0]
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schema = get_pump_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 = Pump(raw_new)
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redo_sql = f"update pumps set node1 = {new.f_node1}, node2 = {new.f_node2}, power = {new.f_power}, head = {new.f_head}, speed = {new.f_speed}, pattern = {new.f_pattern} where id = {new.f_id};"
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undo_sql = f"update pumps set node1 = {old.f_node1}, node2 = {old.f_node2}, power = {old.f_power}, head = {old.f_head}, speed = {old.f_speed}, pattern = {old.f_pattern} where id = {old.f_id};"
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redo_cs = g_update_prefix | new.as_dict()
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undo_cs = g_update_prefix | old.as_dict()
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return execute_command(name, redo_sql, undo_sql, redo_cs, undo_cs)
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def add_pump(name: str, cs: ChangeSet) -> ChangeSet:
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new = Pump(cs.operations[0])
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redo_sql = f"insert into _link (id, type) values ({new.f_id}, {new.f_type});"
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redo_sql += f"\ninsert into pumps (id, node1, node2, power, head, speed, pattern) values ({new.f_id}, {new.f_node1}, {new.f_node2}, {new.f_power}, {new.f_head}, {new.f_speed}, {new.f_pattern});"
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undo_sql = f"delete from pumps where id = {new.f_id};"
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undo_sql += f"\ndelete from _link where id = {new.f_id};"
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redo_cs = g_add_prefix | new.as_dict()
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undo_cs = g_delete_prefix | new.as_id_dict()
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return execute_command(name, redo_sql, undo_sql, redo_cs, undo_cs)
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def delete_pump(name: str, cs: ChangeSet) -> ChangeSet:
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old = Pump(get_pump(name, cs.operations[0]['id']))
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redo_sql = f"delete from pumps where id = {old.f_id};"
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redo_sql += f"\ndelete from _link where id = {old.f_id};"
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undo_sql = f"insert into _link (id, type) values ({old.f_id}, {old.f_type});"
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undo_sql += f"\ninsert into pumps (id, node1, node2, power, head, speed, pattern) values ({old.f_id}, {old.f_node1}, {old.f_node2}, {old.f_power}, {old.f_head}, {old.f_speed}, {old.f_pattern});"
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redo_cs = g_delete_prefix | old.as_id_dict()
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undo_cs = g_add_prefix | old.as_dict()
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return execute_command(name, redo_sql, undo_sql, redo_cs, undo_cs)
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