Files
TJWaterServer/api/s17_quality.py
2024-01-13 15:02:22 +08:00

96 lines
3.2 KiB
Python

from .database import *
def get_quality_schema(name: str) -> dict[str, dict[str, Any]]:
return { 'node' : {'type': 'str' , 'optional': False , 'readonly': True },
'quality' : {'type': 'float' , 'optional': True , 'readonly': False} }
def get_quality(name: str, node: str) -> dict[str, Any]:
e = try_read(name, f"select * from quality where node = '{node}'")
if e == None:
return { 'node': node, 'quality': None }
d = {}
d['node'] = str(e['node'])
d['quality'] = float(e['quality']) if e['quality'] != None else None
return d
class Quality(object):
def __init__(self, input: dict[str, Any]) -> None:
self.type = 'quality'
self.node = str(input['node'])
self.quality = float(input['quality']) if 'quality' in input and input['quality'] != None else None
self.f_type = f"'{self.type}'"
self.f_node = f"'{self.node}'"
self.f_quality = self.quality if self.quality != None else 'null'
def as_dict(self) -> dict[str, Any]:
return { 'type': self.type, 'node': self.node, 'quality': self.quality }
def _set_quality(name: str, cs: ChangeSet) -> DbChangeSet:
old = Quality(get_quality(name, cs.operations[0]['node']))
raw_new = get_quality(name, cs.operations[0]['node'])
new_dict = cs.operations[0]
schema = get_quality_schema(name)
for key, value in schema.items():
if key in new_dict and not value['readonly']:
raw_new[key] = new_dict[key]
new = Quality(raw_new)
redo_sql = f"delete from quality where node = {new.f_node};"
if new.quality != None:
redo_sql += f"\ninsert into quality (node, quality) values ({new.f_node}, {new.f_quality});"
undo_sql = f"delete from quality where node = {old.f_node};"
if old.quality != None:
undo_sql += f"\ninsert into quality (node, quality) values ({old.f_node}, {old.f_quality});"
redo_cs = g_update_prefix | new.as_dict()
undo_cs = g_update_prefix | old.as_dict()
return DbChangeSet(redo_sql, undo_sql, [redo_cs], [undo_cs])
def set_quality(name: str, cs: ChangeSet) -> ChangeSet:
return execute_command(name, _set_quality(name, cs))
#--------------------------------------------------------------
# [EPA2][EPA3][IN][OUT]
# node initqual
#--------------------------------------------------------------
def inp_in_quality(line: str) -> str:
tokens = line.split()
num = len(tokens)
has_desc = tokens[-1].startswith(';')
num_without_desc = (num - 1) if has_desc else num
node = str(tokens[0])
quality = float(tokens[1])
return str(f"insert into quality (node, quality) values ('{node}', {quality});")
def inp_out_quality(name: str) -> list[str]:
lines = []
objs = read_all(name, 'select * from quality')
for obj in objs:
node = obj['node']
quality = obj['quality']
lines.append(f'{node} {quality}')
return lines
def delete_quality_by_node(name: str, node: str) -> ChangeSet:
row = try_read(name, f"select * from quality where node = '{node}'")
if row == None:
return ChangeSet()
return ChangeSet(g_update_prefix | {'type' : 'quality', 'node': node, 'quality': None})