Files
TJWaterServer/api/s5_pipes.py
2022-09-25 00:54:11 +08:00

256 lines
9.4 KiB
Python

from typing import Any
from psycopg.rows import Row
from .s0_base import *
from .change_set import ChangeSet
from .s24_coordinates import *
from .utility import *
from .schema import *
PIPE_STATUS_OPEN = 'open'
PIPE_STATUS_CLOSED = 'closed'
PIPE_STATUS_CV = 'cv'
schema: dict[str, dict[str, Any]] = { \
'id' : define_property(str_type, False, True), \
'node1' : define_property(str_type), \
'node2' : define_property(str_type), \
'length' : define_property(float_type), \
'diameter' : define_property(float_type), \
'roughness' : define_property(float_type), \
'minor_loss': define_property(float_type), \
'status' : define_property(str_type)}
def get_pipe_schema(name: str) -> dict[str, dict[str, Any]]:
return schema
def _query_pipe(name: str, id: str) -> Row | None:
return read(name, f"select * from pipes where id = '{id}'")
def _get_pipe_node1(name: str, id: str) -> str | None:
row = _query_pipe(name, id)
return row['node1'] if row != None else None
def _get_pipe_node2(name: str, id: str) -> str | None:
row = _query_pipe(name, id)
return row['node2'] if row != None else None
def add_pipe(name: str, id: str, node1: str, node2: str, length: float = 0, diameter: float = 0, roughness: float = 0, minor_loss: float = 0, status: str = PIPE_STATUS_OPEN) -> ChangeSet:
if is_pipe(name, id):
return ChangeSet()
if not is_node(name, node1):
return ChangeSet()
if not is_node(name, node2):
return ChangeSet()
if node1 == node2:
return ChangeSet()
if status != PIPE_STATUS_OPEN and status != PIPE_STATUS_CLOSED and status != PIPE_STATUS_CV:
return ChangeSet()
sql = f"insert into _link (id, type) values ('{id}', '{PIPE}');"
sql += f"\ninsert into pipes (id, node1, node2, length, diameter, roughness, minor_loss, status) values ('{id}', '{node1}', '{node2}', {length}, {diameter}, {roughness}, {minor_loss}, '{status}');"
undo = f"delete from pipes where id = ''{id}'';"
undo += f"\ndelete from _link where id = ''{id}'';"
write(name, sql)
add_operation(name, sql.replace("'", "''"), undo, 'add_pipe', API_ADD, PIPE, id)
return get_current_change_set(name)
def get_pipe(name: str, id: str) -> dict[str, Any] | None:
row = _query_pipe(name, id)
if row == None:
return None
ps: dict[str, str] = {}
ps['id'] = id
ps['node1'] = row['node1']
ps['node2'] = row['node2']
ps['length'] = float(row['length'])
ps['diameter'] = float(row['diameter'])
ps['roughness'] = float(row['roughness'])
ps['minor_loss'] = float(row['minor_loss'])
ps['status'] = row['status']
return ps
def set_pipe(name: str, id: str, properties: dict[str, Any]) -> ChangeSet:
if not is_pipe(name, id):
return ChangeSet()
if 'node1' in properties:
if not is_node(name, properties['node1']) or _get_pipe_node2(name, id) == properties['node1']:
return ChangeSet()
if 'node2' in properties:
if not is_node(name, properties['node2']) or _get_pipe_node1(name, id) == properties['node2']:
return ChangeSet()
if 'node1' in properties and 'node2' in properties:
if properties['node1'] == properties['node2']:
return ChangeSet()
if 'status' in properties:
if properties['status'] != PIPE_STATUS_OPEN and properties['status'] != PIPE_STATUS_CLOSED and properties['status'] != PIPE_STATUS_CV:
return ChangeSet()
old = Serialize(get_pipe(name, id), schema).to_storage()
new = get_pipe(name, id)
ps: list[str] = []
for key in properties:
if key in schema and schema[key]['readonly'] == False:
new[key] = properties[key]
ps.append(key)
new = Serialize(new, schema).to_execution()
sql = f"update pipes set node1 = {new['node1']}, node2 = {new['node2']}, \
length = {new['length']}, diameter = {new['diameter']}, roughness = {new['roughness']}, minor_loss = {new['minor_loss']}, status = {new['status']} where id = '{id}';"
undo = f"update pipes set node1 = {old['node1']}, node2 = {old['node2']}, \
length = {old['length']}, diameter = {old['diameter']}, roughness = {old['roughness']}, minor_loss = {old['minor_loss']}, status = {old['status']} where id = ''{id}'';"
write(name, sql)
add_operation(name, sql.replace("'", "''"), undo, 'set_pipe', API_UPDATE, PIPE, id, ps)
return get_current_change_set(name)
def delete_pipe(name: str, id: str) -> ChangeSet:
row = get_pipe(name, id)
if row == None:
return ChangeSet()
old = Serialize(get_pipe(name, id), schema).to_storage()
sql = f"delete from pipes where id = '{id}';"
sql += f"\ndelete from _link where id = '{id}';"
undo = f"insert into _link (id, type) values (''{id}'', ''{PIPE}'');"
undo += f"\ninsert into pipes (id, node1, node2, length, diameter, roughness, minor_loss, status) \
values (''{id}'', {old['node1']}, {old['node2']}, {old['length']}, {old['diameter']}, {old['roughness']}, {old['minor_loss']}, {old['status']});"
write(name, sql)
add_operation(name, sql.replace("'", "''"), undo, 'delete_pipe', API_DELETE, PIPE, id)
return get_current_change_set(name)
'''
def add_pipe(name: str, id: str, node1: str, node2: str, length: float = 0, diameter: float = 0, roughness: float = 0, minor_loss: float = 0, status: str = PIPE_STATUS_OPEN) -> ChangeSet:
if not is_node(name, node1):
return ChangeSet()
if not is_node(name, node2):
return ChangeSet()
if node1 == node2:
return ChangeSet()
if status != PIPE_STATUS_OPEN and status != PIPE_STATUS_CLOSED and status != PIPE_STATUS_CV:
return ChangeSet()
sql = f"insert into pipes (id, node1, node2, length, diameter, roughness, minor_loss, status) values ('{id}', '{node1}', '{node2}', {length}, {diameter}, {roughness}, {minor_loss}, '{status}');"
undo_sql = f'delete from pipes where id = "{id}";'
return add_link(name, PIPE, id, sql, undo_sql)
def _get_pipe(name: str, id: str) -> Row | None:
return query(name, f"select node1, node2, length, diameter, roughness, minor_loss, status from pipes where id = '{id}'")
def delete_pipe(name: str, id: str) -> ChangeSet:
if not is_pipe(name, id):
return ChangeSet()
row = _get_pipe(name, id)
if row == None:
return ChangeSet()
node1, node2, length, diameter, roughness, minor_loss, status = row['node1'], row['node2'], row['length'], row['diameter'], row['roughness'], row['minor_loss'], row['status']
sql = f"delete from pipes where id = '{id}';"
undo_sql = f'insert into pipes (id, node1, node2, length, diameter, roughness, minor_loss, status) values ("{id}", "{node1}", "{node2}", {length}, {diameter}, {roughness}, {minor_loss}, "{status}");'
return delete_link(name, PIPE, id, sql, undo_sql)
def _get_pipe_node1(name: str, id: str) -> str | None:
row = _get_pipe(name, id)
return row['node1'] if row != None else None
def _get_pipe_node2(name: str, id: str) -> str | None:
row = _get_pipe(name, id)
return row['node2'] if row != None else None
def _set_pipe(name: str, id: str, key: str, key_type: str, value: str, optional: bool = False) -> ChangeSet:
if not is_pipe(name, id):
return ChangeSet()
row = _get_pipe(name, id)
if row == None:
return ChangeSet()
return update(name, PIPE, 'pipes', 'id', id, key, key_type, row[key], value, optional)
def set_pipe_node1(name: str, id: str, node1: str) -> ChangeSet:
if not is_node(name, node1):
return ChangeSet()
if _get_pipe_node2(name, id) == node1:
return ChangeSet()
return _set_pipe(name, id, 'node1', 'str', str(node1))
def set_pipe_node2(name: str, id: str, node2: str) -> ChangeSet:
if not is_node(name, node2):
return ChangeSet()
if _get_pipe_node1(name, id) == node2:
return ChangeSet()
return _set_pipe(name, id, 'node2', 'str', str(node2))
def set_pipe_length(name: str, id: str, length: float) -> ChangeSet:
return _set_pipe(name, id, 'length', 'float', str(length))
def set_pipe_diameter(name: str, id: str, diameter: float) -> ChangeSet:
return _set_pipe(name, id, 'diameter', 'float', str(diameter))
def set_pipe_roughness(name: str, id: str, roughness: float) -> ChangeSet:
return _set_pipe(name, id, 'roughness', 'float', str(roughness))
def set_pipe_minor_loss(name: str, id: str, minor_loss: float) -> ChangeSet:
return _set_pipe(name, id, 'minor_loss', 'float', str(minor_loss))
def set_pipe_status(name: str, id: str, status: float) -> ChangeSet:
if status != PIPE_STATUS_OPEN and status != PIPE_STATUS_CLOSED and status != PIPE_STATUS_CV:
return ChangeSet()
return _set_pipe(name, id, 'status', 'str', str(status))
def get_pipe_property_names(name: str) -> list[str]:
return ['node1', 'node2', 'length', 'diameter', 'roughness', 'minor_loss', 'status']
def get_pipe_properties(name: str, id: str) -> dict[str, Any] | None:
row = _get_pipe(name, id)
if row == None:
return None
ps: dict[str, str] = {}
ps['node1'] = row['node1'] if row != None else None
ps['node2'] = row['node2'] if row != None else None
ps['length'] = float(row['length']) if row != None else None
ps['diameter'] = float(row['diameter']) if row != None else None
ps['roughness'] = float(row['roughness']) if row != None else None
ps['minor_loss'] = float(row['minor_loss']) if row != None else None
ps['status'] = row['status'] if row != None else None
return ps
'''