124 lines
5.2 KiB
Python
124 lines
5.2 KiB
Python
from .operation import *
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from .s0_base import *
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PIPE_STATUS_OPEN = 'OPEN'
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PIPE_STATUS_CLOSED = 'CLOSED'
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PIPE_STATUS_CV = 'CV'
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def get_pipe_schema(name: str) -> dict[str, dict[str, Any]]:
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return { 'id' : {'type': 'str' , 'optional': False , 'readonly': True },
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'node1' : {'type': 'str' , 'optional': False , 'readonly': False},
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'node2' : {'type': 'str' , 'optional': False , 'readonly': False},
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'length' : {'type': 'float' , 'optional': False , 'readonly': False},
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'diameter' : {'type': 'float' , 'optional': False , 'readonly': False},
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'roughness' : {'type': 'float' , 'optional': False , 'readonly': False},
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'minor_loss' : {'type': 'float' , 'optional': False , 'readonly': False},
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'status' : {'type': 'str' , 'optional': False , 'readonly': False} }
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def get_pipe(name: str, id: str) -> dict[str, Any]:
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p = read(name, f"select * from pipes where id = '{id}'")
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d = {}
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d['id'] = str(p['id'])
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d['node1'] = str(p['node1'])
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d['node2'] = str(p['node2'])
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d['length'] = float(p['length'])
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d['diameter'] = float(p['diameter'])
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d['roughness'] = float(p['roughness'])
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d['minor_loss'] = float(p['minor_loss'])
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d['status'] = str(p['status'])
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return d
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class Pipe(object):
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def __init__(self, input: dict[str, Any]) -> None:
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self.type = 'pipe'
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self.id = str(input['id'])
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self.node1 = str(input['node1'])
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self.node2 = str(input['node2'])
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self.length = float(input['length'])
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self.diameter = float(input['diameter'])
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self.roughness = float(input['roughness'])
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self.minor_loss = float(input['minor_loss'])
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self.status = str(input['status'])
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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_node1 = f"'{self.node1}'"
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self.f_node2 = f"'{self.node2}'"
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self.f_length = self.length
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self.f_diameter = self.diameter
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self.f_roughness = self.roughness
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self.f_minor_loss = self.minor_loss
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self.f_status = f"'{self.status}'"
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def as_dict(self) -> dict[str, Any]:
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return { 'type': self.type, 'id': self.id, 'node1': self.node1, 'node2': self.node2, 'length': self.length, 'diameter': self.diameter, 'roughness': self.roughness, 'minor_loss': self.minor_loss, 'status': self.status }
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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_pipe_cache(name: str, cs: ChangeSet) -> SqlChangeSet:
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old = Pipe(get_pipe(name, cs.operations[0]['id']))
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raw_new = get_pipe(name, cs.operations[0]['id'])
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new_dict = cs.operations[0]
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schema = get_pipe_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 = Pipe(raw_new)
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redo_sql = f"update pipes set node1 = {new.f_node1}, node2 = {new.f_node2}, length = {new.f_length}, diameter = {new.f_diameter}, roughness = {new.f_roughness}, minor_loss = {new.f_minor_loss}, status = {new.f_status} where id = {new.f_id};"
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undo_sql = f"update pipes set node1 = {old.f_node1}, node2 = {old.f_node2}, length = {old.f_length}, diameter = {old.f_diameter}, roughness = {old.f_roughness}, minor_loss = {old.f_minor_loss}, status = {old.f_status} 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 SqlChangeSet(redo_sql, undo_sql, redo_cs, undo_cs)
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def set_pipe(name: str, cs: ChangeSet) -> ChangeSet:
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return execute_command(name, set_pipe_cache(name, cs))
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def add_pipe_cache(name: str, cs: ChangeSet) -> SqlChangeSet:
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new = Pipe(cs.operations[0])
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redo_sql = f"insert into _link (id, type) values ({new.f_id}, {new.f_type});"
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redo_sql += f"\ninsert into pipes (id, node1, node2, length, diameter, roughness, minor_loss, status) values ({new.f_id}, {new.f_node1}, {new.f_node2}, {new.f_length}, {new.f_diameter}, {new.f_roughness}, {new.f_minor_loss}, {new.f_status});"
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undo_sql = f"delete from pipes where id = {new.f_id};"
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undo_sql += f"\ndelete from _link 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 SqlChangeSet(redo_sql, undo_sql, redo_cs, undo_cs)
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def add_pipe(name: str, cs: ChangeSet) -> ChangeSet:
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return execute_command(name, add_pipe_cache(name, cs))
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def delete_pipe_cache(name: str, cs: ChangeSet) -> SqlChangeSet:
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old = Pipe(get_pipe(name, cs.operations[0]['id']))
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redo_sql = f"delete from pipes where id = {old.f_id};"
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redo_sql += f"\ndelete from _link where id = {old.f_id};"
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undo_sql = f"insert into _link (id, type) values ({old.f_id}, {old.f_type});"
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undo_sql += f"\ninsert into pipes (id, node1, node2, length, diameter, roughness, minor_loss, status) values ({old.f_id}, {old.f_node1}, {old.f_node2}, {old.f_length}, {old.f_diameter}, {old.f_roughness}, {old.f_minor_loss}, {old.f_status});"
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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 SqlChangeSet(redo_sql, undo_sql, redo_cs, undo_cs)
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def delete_pipe(name: str, cs: ChangeSet) -> ChangeSet:
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return execute_command(name, delete_pipe_cache(name, cs))
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