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nautilus_model/python/events/order/
denied.rs

1// -------------------------------------------------------------------------------------------------
2//  Copyright (C) 2015-2026 Nautech Systems Pty Ltd. All rights reserved.
3//  https://nautechsystems.io
4//
5//  Licensed under the GNU Lesser General Public License Version 3.0 (the "License");
6//  You may not use this file except in compliance with the License.
7//  You may obtain a copy of the License at https://www.gnu.org/licenses/lgpl-3.0.en.html
8//
9//  Unless required by applicable law or agreed to in writing, software
10//  distributed under the License is distributed on an "AS IS" BASIS,
11//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12//  See the License for the specific language governing permissions and
13//  limitations under the License.
14// -------------------------------------------------------------------------------------------------
15
16use std::str::FromStr;
17
18use nautilus_core::{
19    UUID4,
20    python::{IntoPyObjectNautilusExt, serialization::from_dict_pyo3, to_pyvalue_err},
21};
22use pyo3::{basic::CompareOp, prelude::*, types::PyDict};
23use ustr::Ustr;
24
25use crate::{
26    events::OrderDenied,
27    identifiers::{ClientOrderId, InstrumentId, StrategyId, TraderId},
28};
29
30#[pymethods]
31#[pyo3_stub_gen::derive::gen_stub_pymethods]
32impl OrderDenied {
33    /// Represents an event where an order has been denied by the Nautilus system.
34    ///
35    /// This could be due an unsupported feature, a risk limit exceedance, or for
36    /// any other reason that an otherwise valid order is not able to be submitted.
37    #[expect(clippy::too_many_arguments)]
38    #[new]
39    fn py_new(
40        trader_id: TraderId,
41        strategy_id: StrategyId,
42        instrument_id: InstrumentId,
43        client_order_id: ClientOrderId,
44        reason: &str,
45        event_id: UUID4,
46        ts_event: u64,
47        ts_init: u64,
48    ) -> PyResult<Self> {
49        let reason = Ustr::from_str(reason).map_err(to_pyvalue_err)?;
50        Ok(Self::new(
51            trader_id,
52            strategy_id,
53            instrument_id,
54            client_order_id,
55            reason,
56            event_id,
57            ts_event.into(),
58            ts_init.into(),
59        ))
60    }
61
62    fn __richcmp__(&self, other: &Self, op: CompareOp, py: Python<'_>) -> Py<PyAny> {
63        match op {
64            CompareOp::Eq => self.eq(other).into_py_any_unwrap(py),
65            CompareOp::Ne => self.ne(other).into_py_any_unwrap(py),
66            _ => py.NotImplemented(),
67        }
68    }
69
70    fn __repr__(&self) -> String {
71        format!("{self:?}")
72    }
73
74    fn __str__(&self) -> String {
75        self.to_string()
76    }
77
78    #[staticmethod]
79    #[pyo3(name = "from_dict")]
80    fn py_from_dict(py: Python<'_>, values: Py<PyDict>) -> PyResult<Self> {
81        from_dict_pyo3(py, values)
82    }
83
84    #[getter]
85    #[pyo3(name = "trader_id")]
86    fn py_trader_id(&self) -> TraderId {
87        self.trader_id
88    }
89
90    #[getter]
91    #[pyo3(name = "strategy_id")]
92    fn py_strategy_id(&self) -> StrategyId {
93        self.strategy_id
94    }
95
96    #[getter]
97    #[pyo3(name = "instrument_id")]
98    fn py_instrument_id(&self) -> InstrumentId {
99        self.instrument_id
100    }
101
102    #[getter]
103    #[pyo3(name = "client_order_id")]
104    fn py_client_order_id(&self) -> ClientOrderId {
105        self.client_order_id
106    }
107
108    #[getter]
109    #[pyo3(name = "reason")]
110    fn py_reason(&self) -> String {
111        self.reason.to_string()
112    }
113
114    #[getter]
115    #[pyo3(name = "event_id")]
116    fn py_event_id(&self) -> UUID4 {
117        self.event_id
118    }
119
120    #[getter]
121    #[pyo3(name = "ts_event")]
122    fn py_ts_event(&self) -> u64 {
123        self.ts_event.as_u64()
124    }
125
126    #[getter]
127    #[pyo3(name = "ts_init")]
128    fn py_ts_init(&self) -> u64 {
129        self.ts_init.as_u64()
130    }
131
132    #[pyo3(name = "to_dict")]
133    fn py_to_dict(&self, py: Python<'_>) -> PyResult<Py<PyAny>> {
134        let dict = PyDict::new(py);
135        dict.set_item("type", stringify!(OrderDenied))?;
136        dict.set_item("trader_id", self.trader_id.to_string())?;
137        dict.set_item("strategy_id", self.strategy_id.to_string())?;
138        dict.set_item("instrument_id", self.instrument_id.to_string())?;
139        dict.set_item("client_order_id", self.client_order_id.to_string())?;
140        dict.set_item("reason", self.reason.to_string())?;
141        dict.set_item("event_id", self.event_id.to_string())?;
142        dict.set_item("ts_event", self.ts_event.as_u64())?;
143        dict.set_item("ts_init", self.ts_init.as_u64())?;
144        Ok(dict.into())
145    }
146}