174 lines
6.3 KiB
Python
174 lines
6.3 KiB
Python
from .database import *
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from .s0_base import *
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from .s24_coordinates import *
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def get_reservoir_schema(name: str) -> dict[str, dict[str, Any]]:
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return { 'id' : {'type': 'str' , 'optional': False , 'readonly': True },
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'x' : {'type': 'float' , 'optional': False , 'readonly': False},
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'y' : {'type': 'float' , 'optional': False , 'readonly': False},
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'head' : {'type': 'float' , 'optional': False , 'readonly': False},
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'pattern' : {'type': 'str' , 'optional': True , 'readonly': False},
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'links' : {'type': 'str_list' , 'optional': False , 'readonly': True } }
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def get_reservoir(name: str, id: str) -> dict[str, Any]:
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r = try_read(name, f"select * from reservoirs where id = '{id}'")
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if r == None:
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return {}
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xy = get_node_coord(name, id)
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d = {}
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d['id'] = str(r['id'])
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d['x'] = float(xy['x'])
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d['y'] = float(xy['y'])
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d['head'] = float(r['head'])
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d['pattern'] = str(r['pattern']) if r['pattern'] != None else None
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d['links'] = get_node_links(name, id)
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return d
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class Reservoir(object):
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def __init__(self, input: dict[str, Any]) -> None:
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self.type = 'reservoir'
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self.id = str(input['id'])
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self.x = float(input['x'])
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self.y = float(input['y'])
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self.head = float(input['head'])
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self.pattern = str(input['pattern']) if 'pattern' in input and input['pattern'] != None else None
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self.f_type = f"'{self.type}'"
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self.f_id = f"'{self.id}'"
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self.f_head = self.head
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self.f_pattern = f"'{self.pattern}'" if self.pattern != None else 'null'
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def as_dict(self) -> dict[str, Any]:
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return { 'type': self.type, 'id': self.id, 'x': self.x, 'y': self.y, 'head': self.head, 'pattern': self.pattern }
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def as_id_dict(self) -> dict[str, Any]:
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return { 'type': self.type, 'id': self.id }
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def _set_reservoir(name: str, cs: ChangeSet) -> DbChangeSet:
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old = Reservoir(get_reservoir(name, cs.operations[0]['id']))
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raw_new = get_reservoir(name, cs.operations[0]['id'])
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new_dict = cs.operations[0]
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schema = get_reservoir_schema(name)
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for key, value in schema.items():
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if key in new_dict and not value['readonly']:
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raw_new[key] = new_dict[key]
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new = Reservoir(raw_new)
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redo_sql = f"update reservoirs set head = {new.f_head}, pattern = {new.f_pattern} where id = {new.f_id};"
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redo_sql += f"\n{sql_update_coord(new.id, new.x, new.y)}"
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undo_sql = sql_update_coord(old.id, old.x, old.y)
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undo_sql += f"\nupdate reservoirs set head = {old.f_head}, pattern = {old.f_pattern} where id = {old.f_id};"
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redo_cs = g_update_prefix | new.as_dict()
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undo_cs = g_update_prefix | old.as_dict()
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return DbChangeSet(redo_sql, undo_sql, [redo_cs], [undo_cs])
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def set_reservoir(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_reservoir(name, cs.operations[0]['id']) == {}:
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return ChangeSet()
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return execute_command(name, _set_reservoir(name, cs))
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def _add_reservoir(name: str, cs: ChangeSet) -> DbChangeSet:
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new = Reservoir(cs.operations[0])
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redo_sql = f"insert into _node (id, type) values ({new.f_id}, {new.f_type});"
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redo_sql += f"\ninsert into reservoirs (id, head, pattern) values ({new.f_id}, {new.f_head}, {new.f_pattern});"
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redo_sql += f"\n{sql_insert_coord(new.id, new.x, new.y)}"
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undo_sql = sql_delete_coord(new.id)
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undo_sql += f"\ndelete from reservoirs where id = {new.f_id};"
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undo_sql += f"\ndelete from _node where id = {new.f_id};"
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redo_cs = g_add_prefix | new.as_dict()
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undo_cs = g_delete_prefix | new.as_id_dict()
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return DbChangeSet(redo_sql, undo_sql, [redo_cs], [undo_cs])
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def add_reservoir(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_reservoir(name, cs.operations[0]['id']) != {}:
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return ChangeSet()
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return execute_command(name, _add_reservoir(name, cs))
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def _delete_reservoir(name: str, cs: ChangeSet) -> DbChangeSet:
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old = Reservoir(get_reservoir(name, cs.operations[0]['id']))
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redo_sql = sql_delete_coord(old.id)
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redo_sql += f"\ndelete from reservoirs where id = {old.f_id};"
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redo_sql += f"\ndelete from _node where id = {old.f_id};"
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undo_sql = f"insert into _node (id, type) values ({old.f_id}, {old.f_type});"
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undo_sql += f"\ninsert into reservoirs (id, head, pattern) values ({old.f_id}, {old.f_head}, {old.f_pattern});"
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undo_sql += f"\n{sql_insert_coord(old.id, old.x, old.y)}"
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redo_cs = g_delete_prefix | old.as_id_dict()
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undo_cs = g_add_prefix | old.as_dict()
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return DbChangeSet(redo_sql, undo_sql, [redo_cs], [undo_cs])
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def delete_reservoir(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_reservoir(name, cs.operations[0]['id']) == {}:
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return ChangeSet()
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return execute_command(name, _delete_reservoir(name, cs))
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#--------------------------------------------------------------
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# [EPA2][EPA3][IN][OUT]
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# id elev (pattern) ;desc
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#--------------------------------------------------------------
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def inp_in_reservoir(line: str) -> str:
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tokens = line.split()
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num = len(tokens)
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has_desc = tokens[-1].startswith(';')
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num_without_desc = (num - 1) if has_desc else num
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id = str(tokens[0])
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head = float(tokens[1])
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pattern = str(tokens[2]) if num_without_desc >= 3 else None
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pattern = f"'{pattern}'" if pattern != None else 'null'
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desc = str(tokens[-1]) if has_desc else None
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return f"insert into _node (id, type) values ('{id}', 'reservoir');insert into reservoirs (id, head, pattern) values ('{id}', {head}, {pattern});"
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def inp_out_reservoir(name: str) -> list[str]:
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lines = []
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objs = read_all(name, 'select * from reservoirs')
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for obj in objs:
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id = obj['id']
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head = obj['head']
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pattern = obj['pattern'] if obj['pattern'] != None else ''
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desc = ';'
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lines.append(f'{id} {head} {pattern} {desc}')
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return lines
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def unset_reservoir_by_pattern(name: str, pattern: str) -> ChangeSet:
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cs = ChangeSet()
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rows = read_all(name, f"select id from reservoirs where pattern = '{pattern}'")
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for row in rows:
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cs.append(g_update_prefix | {'type': 'reservoir', 'id': row['id'], 'pattern': None})
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return cs
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