Huge refactor to api and add batch api
This commit is contained in:
WQY\qiong
157
api/s6_pumps.py
157
api/s6_pumps.py
@@ -1,113 +1,86 @@
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from typing import Any
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from psycopg.rows import Row
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from .operation import *
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from .s0_base import *
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from .change_set import ChangeSet
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from .s24_coordinates import *
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from .utility import *
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from .schema import *
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schema: dict[str, dict[str, Any]] = { \
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'id' : define_property(str_type, False, True), \
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'node1' : define_property(str_type), \
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'node2' : define_property(str_type)}
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def get_pump_schema(name: str) -> dict[str, dict[str, Any]]:
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return schema
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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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def _query_pump(name: str, id: str) -> Row | None:
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return read(name, f"select * from pumps where id = '{id}'")
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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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return d
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def _get_pump_node1(name: str, id: str) -> str | None:
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row = _query_pump(name, id)
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return row['node1'] if row != None else None
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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.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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def as_dict(self) -> dict[str, Any]:
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return { 'type': self.type, 'id': self.id, 'node1': self.node1, 'node2': self.node2 }
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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 _get_pump_node2(name: str, id: str) -> str | None:
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row = _query_pump(name, id)
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return row['node2'] if row != None else None
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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} where id = {new.f_id};"
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undo_sql = f"update pumps set node1 = {old.f_node1}, node2 = {old.f_node2} 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, id: str, node1: str, node2: str) -> ChangeSet:
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if is_pump(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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def add_pump(name: str, cs: ChangeSet) -> ChangeSet:
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new = Pump(cs.operations[0])
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sql = f"insert into _link (id, type) values ('{id}', '{PUMP}');"
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sql += f"\ninsert into pumps (id, node1, node2) values ('{id}', '{node1}', '{node2}');"
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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) values ({new.f_id}, {new.f_node1}, {new.f_node2});"
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undo = f"delete from pumps where id = ''{id}'';"
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undo += f"\ndelete from _link where id = ''{id}'';"
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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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write(name, sql)
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add_operation(name, sql.replace("'", "''"), undo, 'add_pump', API_ADD, PUMP, id)
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return get_current_change_set(name)
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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 get_pump(name: str, id: str) -> dict[str, Any] | None:
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row = _query_pump(name, id)
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if row == None:
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return None
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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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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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return ps
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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) values ({old.f_id}, {old.f_node1}, {old.f_node2});"
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def set_pump(name: str, id: str, properties: dict[str, Any]) -> ChangeSet:
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if not is_pump(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_pump_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_pump_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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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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old = Serialize(get_pump(name, id), schema).to_storage()
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new = get_pump(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 pumps set node1 = {new['node1']}, node2 = {new['node2']} where id = '{id}';"
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undo = f"update pumps set node1 = {old['node1']}, node2 = {old['node2']} where id = ''{id}'';"
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write(name, sql)
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add_operation(name, sql.replace("'", "''"), undo, 'set_pump', API_UPDATE, PUMP, id, ps)
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return get_current_change_set(name)
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def delete_pump(name: str, id: str) -> ChangeSet:
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row = get_pump(name, id)
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if row == None:
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return ChangeSet()
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old = Serialize(get_pump(name, id), schema).to_storage()
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sql = f"delete from pumps 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}'', ''{PUMP}'');"
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undo += f"\ninsert into pumps (id, node1, node2) values (''{id}'', {old['node1']}, {old['node2']});"
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write(name, sql)
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add_operation(name, sql.replace("'", "''"), undo, 'delete_pump', API_DELETE, PUMP, id)
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return get_current_change_set(name)
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return execute_command(name, redo_sql, undo_sql, redo_cs, undo_cs)
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