187 lines
6.2 KiB
Python
187 lines
6.2 KiB
Python
from .database import *
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CURVE_TYPE_PUMP = 'PUMP'
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CURVE_TYPE_EFFICIENCY = 'EFFICIENCY'
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CURVE_TYPE_VOLUME = 'VOLUME'
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CURVE_TYPE_HEADLOSS = 'HEADLOSS'
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curve_types = [CURVE_TYPE_PUMP, CURVE_TYPE_EFFICIENCY, CURVE_TYPE_VOLUME, CURVE_TYPE_HEADLOSS]
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def get_curve_schema(name: str) -> dict[str, dict[str, Any]]:
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return { 'id' : {'type': 'str' , 'optional': False , 'readonly': True },
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'c_type' : {'type': 'str' , 'optional': False , 'readonly': False},
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'coords' : {'type': 'list' , 'optional': False , 'readonly': False,
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'element': { 'x' : {'type': 'float' , 'optional': False , 'readonly': False },
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'y' : {'type': 'float' , 'optional': False , 'readonly': False } }}}
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def get_curve(name: str, id: str) -> dict[str, Any]:
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c_one = try_read(name, f"select * from _curve where id = '{id}'")
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if c_one == None:
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return {}
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cus = read_all(name, f"select * from curves where id = '{id}' order by _order")
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cs = []
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for r in cus:
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cs.append({ 'x': float(r['x']), 'y': float(r['y']) })
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d = {}
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d['id'] = id
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d['c_type'] = c_one['type']
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d['coords'] = cs
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return d
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def _set_curve(name: str, cs: ChangeSet) -> DbChangeSet:
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id = cs.operations[0]['id']
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f_id = f"'{id}'"
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old = get_curve(name, id)
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old_f_type = f"'{old['c_type']}'"
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new = { 'id': id }
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if 'coords' in cs.operations[0]:
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new['coords'] = cs.operations[0]['coords']
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else:
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new['coords'] = old['coords']
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if 'c_type' in cs.operations[0]:
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new['c_type'] = cs.operations[0]['c_type']
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else:
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new['c_type'] = old['c_type']
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new_f_type = f"'{new['c_type']}'"
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# TODO: transaction ?
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redo_sql = f"delete from curves where id = {f_id};"
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redo_sql += f"\nupdate _curve set type = {new_f_type} where id = {f_id};"
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for xy in new['coords']:
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f_x, f_y = xy['x'], xy['y']
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redo_sql += f"\ninsert into curves (id, x, y) values ({f_id}, {f_x}, {f_y});"
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undo_sql = f"delete from curves where id = {f_id};"
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undo_sql += f"\nupdate _curve set type = {old_f_type} where id = {f_id};"
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for xy in old['coords']:
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f_x, f_y = xy['x'], xy['y']
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undo_sql += f"\ninsert into curves (id, x, y) values ({f_id}, {f_x}, {f_y});"
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redo_cs = g_update_prefix | { 'type': 'curve' } | new
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undo_cs = g_update_prefix | { 'type': 'curve' } | old
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return DbChangeSet(redo_sql, undo_sql, [redo_cs], [undo_cs])
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def set_curve(name: str, cs: ChangeSet) -> ChangeSet:
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if 'id' not in cs.operations[0]:
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return ChangeSet()
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if get_curve(name, cs.operations[0]['id']) == {}:
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return ChangeSet()
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return execute_command(name, _set_curve(name, cs))
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def _add_curve(name: str, cs: ChangeSet) -> DbChangeSet:
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id = cs.operations[0]['id']
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f_id = f"'{id}'"
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new = { 'id': id, 'c_type': cs.operations[0]['c_type'], 'coords': [] }
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new_f_type = f"'{new['c_type']}'"
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# TODO: transaction ?
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redo_sql = f"insert into _curve (id, type) values ({f_id}, {new_f_type});"
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for xy in cs.operations[0]['coords']:
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x, y = float(xy['x']), float(xy['y'])
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f_x, f_y = x, y
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redo_sql += f"\ninsert into curves (id, x, y) values ({f_id}, {f_x}, {f_y});"
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new['coords'].append({ 'x': x, 'y': y })
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undo_sql = f"delete from curves where id = {f_id};"
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undo_sql += f"\ndelete from _curve where id = {f_id};"
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redo_cs = g_add_prefix | { 'type': 'curve' } | new
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undo_cs = g_delete_prefix | { 'type': 'curve' } | { 'id' : id }
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return DbChangeSet(redo_sql, undo_sql, [redo_cs], [undo_cs])
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def add_curve(name: str, cs: ChangeSet) -> ChangeSet:
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if 'id' not in cs.operations[0]:
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return ChangeSet()
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if get_curve(name, cs.operations[0]['id']) != {}:
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return ChangeSet()
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return execute_command(name, _add_curve(name, cs))
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def _delete_curve(name: str, cs: ChangeSet) -> DbChangeSet:
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id = cs.operations[0]['id']
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f_id = f"'{id}'"
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old = get_curve(name, id)
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old_f_type = f"'{old['c_type']}'"
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redo_sql = f"delete from curves where id = {f_id};"
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redo_sql += f"\ndelete from _curve where id = {f_id};"
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# TODO: transaction ?
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undo_sql = f"insert into _curve (id, type) values ({f_id}, {old_f_type});"
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for xy in old['coords']:
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f_x, f_y = xy['x'], xy['y']
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undo_sql += f"\ninsert into curves (id, x, y) values ({f_id}, {f_x}, {f_y});"
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redo_cs = g_delete_prefix | { 'type': 'curve' } | { 'id' : id }
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undo_cs = g_add_prefix | { 'type': 'curve' } | old
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return DbChangeSet(redo_sql, undo_sql, [redo_cs], [undo_cs])
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def delete_curve(name: str, cs: ChangeSet) -> ChangeSet:
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if 'id' not in cs.operations[0]:
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return ChangeSet()
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if get_curve(name, cs.operations[0]['id']) == {}:
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return ChangeSet()
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return execute_command(name, _delete_curve(name, cs))
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#--------------------------------------------------------------
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# [EPA2][IN][OUT]
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# ;type: desc
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# id x y
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#--------------------------------------------------------------
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#--------------------------------------------------------------
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# [EPA3][IN][OUT]
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# id type
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# id x y
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#--------------------------------------------------------------
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def inp_in_curve(line: str) -> str:
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tokens = line.split()
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return str(f"insert into curves (id, x, y) values ('{tokens[0]}', {float(tokens[1])}, {float(tokens[2])});")
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def inp_out_curve(name: str) -> list[str]:
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lines = []
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types = read_all(name, f"select * from _curve")
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for type in types:
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id = type['id']
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# ;type: desc
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lines.append(f";{type['type']}:")
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objs = read_all(name, f"select * from curves where id = '{id}' order by _order")
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for obj in objs:
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id = obj['id']
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x = obj['x']
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y = obj['y']
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lines.append(f'{id} {x} {y}')
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return lines
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def inp_out_curve_v3(name: str) -> list[str]:
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lines = []
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types = read_all(name, f"select * from _curve")
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for type in types:
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id = type['id']
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# id type
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lines.append(f"{id} {type['type']}")
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objs = read_all(name, f"select * from curves where id = '{id}' order by _order")
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for obj in objs:
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id = obj['id']
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x = obj['x']
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y = obj['y']
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lines.append(f'{id} {x} {y}')
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return lines
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