Files
TJWaterServer/api/s3_reservoirs.py
2022-10-26 19:35:04 +08:00

117 lines
4.7 KiB
Python

from .operation import *
from .s0_base import *
from .s24_coordinates import *
def get_reservoir_schema(name: str) -> dict[str, dict[str, Any]]:
return { 'id' : {'type': 'str' , 'optional': False , 'readonly': True },
'x' : {'type': 'float' , 'optional': False , 'readonly': False},
'y' : {'type': 'float' , 'optional': False , 'readonly': False},
'head' : {'type': 'float' , 'optional': False , 'readonly': False},
'pattern' : {'type': 'str' , 'optional': True , 'readonly': False},
'links' : {'type': 'str_list' , 'optional': False , 'readonly': True } }
def get_reservoir(name: str, id: str) -> dict[str, Any]:
r = read(name, f"select * from reservoirs where id = '{id}'")
xy = get_node_coord(name, id)
d = {}
d['id'] = str(r['id'])
d['x'] = float(xy['x'])
d['y'] = float(xy['y'])
d['head'] = float(r['head'])
d['pattern'] = str(r['pattern']) if r['pattern'] != None else None
d['links'] = get_node_links(name, id)
return d
class Reservoir(object):
def __init__(self, input: dict[str, Any]) -> None:
self.type = 'reservoir'
self.id = str(input['id'])
self.x = float(input['x'])
self.y = float(input['y'])
self.head = float(input['head'])
self.pattern = str(input['pattern']) if 'pattern' in input and input['pattern'] != None else None
self.f_type = f"'{self.type}'"
self.f_id = f"'{self.id}'"
self.f_coord = f"'({self.x}, {self.y})'"
self.f_head = self.head
self.f_pattern = f"'{self.pattern}'" if self.pattern != None else 'null'
def as_dict(self) -> dict[str, Any]:
return { 'type': self.type, 'id': self.id, 'x': self.x, 'y': self.y, 'head': self.head, 'pattern': self.pattern }
def as_id_dict(self) -> dict[str, Any]:
return { 'type': self.type, 'id': self.id }
def set_reservoir_cache(name: str, cs: ChangeSet) -> SqlChangeSet:
old = Reservoir(get_reservoir(name, cs.operations[0]['id']))
raw_new = get_reservoir(name, cs.operations[0]['id'])
new_dict = cs.operations[0]
schema = get_reservoir_schema(name)
for key, value in schema.items():
if key in new_dict and not value['readonly']:
raw_new[key] = new_dict[key]
new = Reservoir(raw_new)
redo_sql = f"update reservoirs set head = {new.f_head}, pattern = {new.f_pattern} where id = {new.f_id};"
redo_sql += f"\nupdate coordinates set coord = {new.f_coord} where node = {new.f_id};"
undo_sql = f"update coordinates set coord = {old.f_coord} where node = {old.f_id};"
undo_sql += f"\nupdate reservoirs set head = {old.f_head}, pattern = {old.f_pattern} where id = {old.f_id};"
redo_cs = g_update_prefix | new.as_dict()
undo_cs = g_update_prefix | old.as_dict()
return SqlChangeSet(redo_sql, undo_sql, redo_cs, undo_cs)
def set_reservoir(name: str, cs: ChangeSet) -> ChangeSet:
return execute_command(name, set_reservoir_cache(name, cs))
def add_reservoir_cache(name: str, cs: ChangeSet) -> SqlChangeSet:
new = Reservoir(cs.operations[0])
redo_sql = f"insert into _node (id, type) values ({new.f_id}, {new.f_type});"
redo_sql += f"\ninsert into reservoirs (id, head, pattern) values ({new.f_id}, {new.f_head}, {new.f_pattern});"
redo_sql += f"\ninsert into coordinates (node, coord) values ({new.f_id}, {new.f_coord});"
undo_sql = f"delete from coordinates where node = {new.f_id};"
undo_sql += f"\ndelete from reservoirs where id = {new.f_id};"
undo_sql += f"\ndelete from _node where id = {new.f_id};"
redo_cs = g_add_prefix | new.as_dict()
undo_cs = g_delete_prefix | new.as_id_dict()
return SqlChangeSet(redo_sql, undo_sql, redo_cs, undo_cs)
def add_reservoir(name: str, cs: ChangeSet) -> ChangeSet:
return execute_command(name, add_reservoir_cache(name, cs))
def delete_reservoir_cache(name: str, cs: ChangeSet) -> SqlChangeSet:
old = Reservoir(get_reservoir(name, cs.operations[0]['id']))
redo_sql = f"delete from coordinates where node = {old.f_id};"
redo_sql += f"\ndelete from reservoirs where id = {old.f_id};"
redo_sql += f"\ndelete from _node where id = {old.f_id};"
undo_sql = f"insert into _node (id, type) values ({old.f_id}, {old.f_type});"
undo_sql += f"\ninsert into reservoirs (id, head, pattern) values ({old.f_id}, {old.f_head}, {old.f_pattern});"
undo_sql += f"\ninsert into coordinates (node, coord) values ({old.f_id}, {old.f_coord});"
redo_cs = g_delete_prefix | old.as_id_dict()
undo_cs = g_add_prefix | old.as_dict()
return SqlChangeSet(redo_sql, undo_sql, redo_cs, undo_cs)
def delete_reservoir(name: str, cs: ChangeSet) -> ChangeSet:
return execute_command(name, delete_reservoir_cache(name, cs))