228 lines
9.1 KiB
Python
228 lines
9.1 KiB
Python
from .operation import *
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from .s0_base import *
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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': 'float' , '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 = read(name, f"select * from valves 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['diameter'] = float(p['diameter'])
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d['v_type'] = str(p['type'])
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d['setting'] = float(p['setting'])
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d['minor_loss'] = float(p['minor_loss'])
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return d
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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 = float(input['setting'])
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self.minor_loss = float(input['minor_loss'])
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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_diameter = self.diameter
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self.f_v_type = f"'{self.v_type}'"
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self.f_setting = self.setting
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self.f_minor_loss = 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 as_id_dict(self) -> dict[str, Any]:
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return { 'type': self.type, 'id': self.id }
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def set_valve(name: str, cs: ChangeSet) -> ChangeSet:
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old = Valve(get_valve(name, cs.operations[0]['id']))
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raw_new = 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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redo_sql = f"update valves set node1 = {new.f_node1}, node2 = {new.f_node2}, diameter = {new.f_diameter}, type = {new.f_v_type}, setting = {new.f_setting}, minor_loss = {new.f_minor_loss} where id = {new.f_id};"
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undo_sql = f"update valves set node1 = {old.f_node1}, node2 = {old.f_node2}, diameter = {old.f_diameter}, type = {old.f_v_type}, setting = {old.f_setting}, minor_loss = {old.f_minor_loss} 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_valve(name: str, cs: ChangeSet) -> ChangeSet:
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new = Valve(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 valves (id, node1, node2, diameter, type, setting, minor_loss) values ({new.f_id}, {new.f_node1}, {new.f_node2}, {new.f_diameter}, {new.f_v_type}, {new.f_setting}, {new.f_minor_loss});"
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undo_sql = f"delete from valves 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_valve(name: str, cs: ChangeSet) -> ChangeSet:
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old = Valve(get_valve(name, cs.operations[0]['id']))
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redo_sql = f"delete from valves 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 valves (id, node1, node2, diameter, type, setting, minor_loss) values ({old.f_id}, {old.f_node1}, {old.f_node2}, {old.f_diameter}, {old.f_v_type}, {old.f_setting}, {old.f_minor_loss});"
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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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'''
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schema: dict[str, dict[str, Any]] = {}
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def get_valve_schema(name: str) -> dict[str, dict[str, Any]]:
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return schema
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def _query_valve(name: str, id: str) -> Row | None:
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return read(name, f"select * from valves where id = '{id}'")
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def _get_valve_node1(name: str, id: str) -> str | None:
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row = _query_valve(name, id)
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return row['node1'] if row != None else None
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def _get_valve_node2(name: str, id: str) -> str | None:
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row = _query_valve(name, id)
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return row['node2'] if row != None else None
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def add_valve(name: str, id: str, node1: str, node2: str, diameter: float = 0, type: str = VALVES_TYPE_PRV, setting: float = 0, minor_loss: float = 0) -> ChangeSet:
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if is_valve(name, id):
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return ChangeSet()
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if not is_node(name, node1):
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return ChangeSet()
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if not is_node(name, node2):
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return ChangeSet()
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if node1 == node2:
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return ChangeSet()
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if type != VALVES_TYPE_PRV and type != VALVES_TYPE_PSV and type != VALVES_TYPE_PBV and type != VALVES_TYPE_FCV and type != VALVES_TYPE_TCV and type != VALVES_TYPE_GPV:
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return ChangeSet()
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sql = f"insert into _link (id, type) values ('{id}', '{VALVE}');"
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sql += f"\ninsert into valves (id, node1, node2, diameter, type, setting, minor_loss) values ('{id}', '{node1}', '{node2}', {diameter}, '{type}', {setting}, {minor_loss});"
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undo = f"delete from valves where id = ''{id}'';"
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undo += f"\ndelete from _link where id = ''{id}'';"
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write(name, sql)
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add_operation(name, sql.replace("'", "''"), undo, 'add_valve', API_ADD, VALVE, id)
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return get_current_change_set(name)
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def get_valve(name: str, id: str) -> dict[str, Any] | None:
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row = _query_valve(name, id)
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if row == None:
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return None
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ps: dict[str, str] = {}
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ps['id'] = id
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ps['node1'] = row['node1']
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ps['node2'] = row['node2']
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ps['diameter'] = float(row['diameter'])
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ps['type'] = row['type']
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ps['setting'] = float(row['setting'])
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ps['minor_loss'] = float(row['minor_loss'])
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return ps
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def set_valve(name: str, id: str, properties: dict[str, Any]) -> ChangeSet:
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if not is_valve(name, id):
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return ChangeSet()
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if 'node1' in properties:
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if not is_node(name, properties['node1']) or _get_valve_node2(name, id) == properties['node1']:
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return ChangeSet()
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if 'node2' in properties:
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if not is_node(name, properties['node2']) or _get_valve_node1(name, id) == properties['node2']:
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return ChangeSet()
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if 'node1' in properties and 'node2' in properties:
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if properties['node1'] == properties['node2']:
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return ChangeSet()
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if 'type' in properties:
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t = properties['type']
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if t != VALVES_TYPE_PRV and t != VALVES_TYPE_PSV and t != VALVES_TYPE_PBV and t != VALVES_TYPE_FCV and t != VALVES_TYPE_TCV and t != VALVES_TYPE_GPV:
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return ChangeSet()
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old = Serialize(get_valve(name, id), schema).to_storage()
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new = get_valve(name, id)
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ps: list[str] = []
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for key in properties:
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if key in schema and schema[key]['readonly'] == False:
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new[key] = properties[key]
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ps.append(key)
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new = Serialize(new, schema).to_execution()
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sql = f"update valves set node1 = {new['node1']}, node2 = {new['node2']}, \
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diameter = {new['diameter']}, type = {new['type']}, setting = {new['setting']}, minor_loss = {new['minor_loss']} where id = '{id}';"
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undo = f"update valves set node1 = {old['node1']}, node2 = {old['node2']}, \
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diameter = {old['diameter']}, type = {old['type']}, setting = {old['setting']}, minor_loss = {old['minor_loss']} where id = ''{id}'';"
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write(name, sql)
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add_operation(name, sql.replace("'", "''"), undo, 'set_valve', API_UPDATE, VALVE, id, ps)
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return get_current_change_set(name)
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def delete_valve(name: str, id: str) -> ChangeSet:
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row = get_valve(name, id)
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if row == None:
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return ChangeSet()
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old = Serialize(get_valve(name, id), schema).to_storage()
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sql = f"delete from valves where id = '{id}';"
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sql += f"\ndelete from _link where id = '{id}';"
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undo = f"insert into _link (id, type) values (''{id}'', ''{VALVE}'');"
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undo += f"\ninsert into valves (id, node1, node2, diameter, type, setting, minor_loss) \
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values (''{id}'', {old['node1']}, {old['node2']}, {old['diameter']}, {old['type']}, {old['setting']}, {old['minor_loss']});"
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write(name, sql)
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add_operation(name, sql.replace("'", "''"), undo, 'delete_valve', API_DELETE, VALVE, id)
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return get_current_change_set(name)
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''' |