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Refactor coordinate api

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This commit is contained in:
wqy
2022-09-16 23:01:16 +08:00
parent 06240f1eba
commit 7f26c21435
4 changed files with 62 additions and 99 deletions
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45
api/s24_coordinates.py Normal file
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@@ -0,0 +1,45 @@
from psycopg.rows import dict_row, Row
from .connection import g_conn_dict as conn
from .s0_base import *
from .operation import *
from .change_set import ChangeSet
def _to_point(coord: str) -> dict[str, float]:
coord = coord.removeprefix('(')
coord = coord.removesuffix(')')
coord = coord.split(',')
return { 'x': float(coord[0]), 'y': float(coord[1]) }
def get_node_coord(name: str, id: str) -> dict[str, float] | None:
with conn[name].cursor(row_factory=dict_row) as cur:
cur.execute(f"select * from coordinates where node = '{id}'")
row = cur.fetchone()
if row == None:
return None
coord = str(row['coord'])
return _to_point(coord)
def set_node_coord(name: str, id: str, x: float, y: float) -> ChangeSet:
if not is_junction(name, id):
return
old = get_node_coord(name, id)
if old == None:
return
old_x, old_y = old['x'], old['y']
with conn[name].cursor() as cur:
sql = f"update coordinates set coord = '({x},{y})' where node = '{id}'"
cur.execute(sql)
redo = sql.replace("'", '"')
undo = f'update coordinates set coord = "({old_x},{old_y})" where node = "{id}"'
add_operation(name, redo, undo)
change = ChangeSet()
change.update('junction', id, 'coord', 'point', str({'x': x, 'y': y}))
return change

38
api/s2_junctions.py
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@@ -3,6 +3,8 @@ from .connection import g_conn_dict as conn
from .s0_base import *
from .operation import *
from .change_set import ChangeSet
from .s24_coordinates import *
def add_junction(name: str, id: str, x: float, y: float, elevation: float) -> ChangeSet:
if is_node(name, id):
@@ -68,10 +70,12 @@ def _get_junction(name: str, id: str) -> Row | None:
cur.execute(f"select elevation, demand, pattern from junctions where id = '{id}'")
return cur.fetchone()
def get_junction_elevation(name: str, id: str) -> float | None:
row = _get_junction(name, id)
return float(row['elevation']) if row != None else None
def get_junction_demand(name: str, id: str) -> float | str | None:
row = _get_junction(name, id)
if row != None:
@@ -79,6 +83,7 @@ def get_junction_demand(name: str, id: str) -> float | str | None:
else:
return None
def get_junction_pattern(name: str, id: str) -> str | None:
row = _get_junction(name, id)
if row != None:
@@ -86,21 +91,10 @@ def get_junction_pattern(name: str, id: str) -> str | None:
else:
return None
def _to_point(coord: str) -> dict[str, float]:
coord = coord.removeprefix('(')
coord = coord.removesuffix(')')
coord = coord.split(',')
return { 'x': float(coord[0]), 'y': float(coord[1]) }
def get_junction_coord(name: str, id: str) -> dict[str, float] | None:
with conn[name].cursor(row_factory=dict_row) as cur:
cur.execute(f"select * from coordinates where node = '{id}'")
row = cur.fetchone()
if row == None:
return None
return get_node_coord(name, id)
coord = str(row['coord'])
return _to_point(coord)
def set_junction_elevation(name: str, id: str, elevation: float) -> ChangeSet:
if not is_junction(name, id):
@@ -167,22 +161,4 @@ def set_junction_pattern(name: str, id: str, pattern: str) -> ChangeSet:
def set_junction_coord(name: str, id: str, x: float, y: float) -> ChangeSet:
if not is_junction(name, id):
return
old = get_junction_coord(name, id)
if old == None:
return
old_x, old_y = old['x'], old['y']
with conn[name].cursor() as cur:
sql = f"update coordinates set coord = '({x},{y})' where node = '{id}'"
cur.execute(sql)
redo = sql.replace("'", '"')
undo = f'update coordinates set coord = "({old_x},{old_y})" where node = "{id}"'
add_operation(name, redo, undo)
change = ChangeSet()
change.update('junction', id, 'coord', 'point', str({'x': x, 'y': y}))
return change
return set_node_coord(name, id, x, y)

38
api/s3_reservoirs.py
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@@ -3,6 +3,8 @@ from .connection import g_conn_dict as conn
from .s0_base import *
from .operation import *
from .change_set import ChangeSet
from .s24_coordinates import *
def add_reservoir(name: str, id: str, x: float, y: float, head: float) -> ChangeSet:
if is_node(name, id):
@@ -24,6 +26,7 @@ def add_reservoir(name: str, id: str, x: float, y: float, head: float) -> Change
change.add('reservoir', id)
return change
def delete_reservoir(name: str, id: str) -> ChangeSet:
if not is_reservoir(name, id):
return
@@ -76,21 +79,8 @@ def get_reservoir_pattern(name: str, id: str) -> str | None:
else:
return None
def _to_point(coord: str) -> dict[str, float]:
coord = coord.removeprefix('(')
coord = coord.removesuffix(')')
coord = coord.split(',')
return { 'x': float(coord[0]), 'y': float(coord[1]) }
def get_reservoir_coord(name: str, id: str) -> dict[str, float] | None:
with conn[name].cursor(row_factory=dict_row) as cur:
cur.execute(f"select * from coordinates where node = '{id}'")
row = cur.fetchone()
if row == None:
return None
coord = str(row['coord'])
return _to_point(coord)
return get_node_coord(name, id)
def set_reservoir_head(name: str, id: str, head: float) -> ChangeSet:
if not is_reservoir(name, id):
@@ -136,22 +126,4 @@ def set_reservoir_pattern(name: str, id: str, pattern: str) -> ChangeSet:
def set_reservoir_coord(name: str, id: str, x: float, y: float) -> ChangeSet:
if not is_reservoir(name, id):
return
old = get_reservoir_coord(name, id)
if old == None:
return
old_x, old_y = old['x'], old['y']
with conn[name].cursor() as cur:
sql = f"update coordinates set coord = '({x},{y})' where node = '{id}'"
cur.execute(sql)
redo = sql.replace("'", '"')
undo = f'update coordinates set coord = "({old_x},{old_y})" where node = "{id}"'
add_operation(name, redo, undo)
change = ChangeSet()
change.update('reservoir', id, 'coord', 'point', str({'x': x, 'y': y}))
return change
return set_node_coord(name, id, x, y)

38
api/s4_tanks.py
View File

@@ -3,6 +3,8 @@ from .connection import g_conn_dict as conn
from .s0_base import *
from .operation import *
from .change_set import ChangeSet
from .s24_coordinates import *
def add_tank(name: str, id: str, x: float, y: float, elevation: float, init_level: float = 0, min_level: float = 0, max_level: float = 0, diameter: float = 0, min_vol: float = 0) -> ChangeSet:
if is_node(name, id):
@@ -120,22 +122,8 @@ def get_tank_overflow(name: str, id: str) -> str | None:
return None
def _to_point(coord: str) -> dict[str, float]:
coord = coord.removeprefix('(')
coord = coord.removesuffix(')')
coord = coord.split(',')
return { 'x': float(coord[0]), 'y': float(coord[1]) }
def get_tank_coord(name: str, id: str) -> dict[str, float] | None:
with conn[name].cursor(row_factory=dict_row) as cur:
cur.execute(f"select * from coordinates where node = '{id}'")
row = cur.fetchone()
if row == None:
return None
coord = str(row['coord'])
return _to_point(coord)
return get_node_coord(name, id)
def set_tank_elevation(name: str, id: str, elevation: float) -> ChangeSet:
@@ -312,22 +300,4 @@ def set_tank_overflow(name: str, id: str, overflow: str) -> ChangeSet:
def set_tank_coord(name: str, id: str, x: float, y: float) -> ChangeSet:
if not is_tank(name, id):
return
old = get_tank_coord(name, id)
if old == None:
return
old_x, old_y = old['x'], old['y']
with conn[name].cursor() as cur:
sql = f"update coordinates set coord = '({x},{y})' where node = '{id}'"
cur.execute(sql)
redo = sql.replace("'", '"')
undo = f'update coordinates set coord = "({old_x},{old_y})" where node = "{id}"'
add_operation(name, redo, undo)
change = ChangeSet()
change.update('tank', id, 'coord', 'point', str({'x': x, 'y': y}))
return change
return set_node_coord(name, id, x, y)