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superdoc_sdk/
invoke.rs

1//! Invocation boundary used by generated methods and recording transports.
2
3use serde_json::Value;
4use std::{future::Future, time::Duration};
5
6/// A structured error from the client, host, or document operation.
7#[derive(Clone)]
8pub struct Error {
9    pub code: String,
10    pub message: String,
11    /// Original host text is retained for explicit diagnostics. It is omitted
12    /// from Debug/Display because it can contain document data or credentials.
13    pub host_message: Option<Box<str>>,
14    pub details: Option<Box<Value>>,
15    pub operation_id: Option<String>,
16    pub rpc_code: Option<i64>,
17    /// A sent mutation may have completed even when its response was lost.
18    pub outcome_unknown: bool,
19}
20
21impl Error {
22    pub fn new(code: impl Into<String>, message: impl Into<String>) -> Self {
23        Self {
24            code: code.into(),
25            message: message.into(),
26            host_message: None,
27            details: None,
28            operation_id: None,
29            rpc_code: None,
30            outcome_unknown: false,
31        }
32    }
33
34    pub fn decode(cause: serde_json::Error) -> Self {
35        let mut error = Self::new(
36            "HOST_PROTOCOL_ERROR",
37            "Host result does not match its declared response type",
38        );
39        error.details = Some(Box::new(
40            serde_json::json!({"decodeError":cause.to_string()}),
41        ));
42        error
43    }
44}
45
46impl std::fmt::Display for Error {
47    fn fmt(&self, formatter: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
48        write!(formatter, "{}: {}", self.code, self.message)
49    }
50}
51impl std::error::Error for Error {}
52
53impl std::fmt::Debug for Error {
54    fn fmt(&self, formatter: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
55        formatter
56            .debug_struct("Error")
57            .field("code", &self.code)
58            .field("operation_id", &self.operation_id)
59            .field("rpc_code", &self.rpc_code)
60            .field("outcome_unknown", &self.outcome_unknown)
61            .finish_non_exhaustive()
62    }
63}
64
65pub type Result<T> = std::result::Result<T, Error>;
66
67/// Invocation options are separate from operation parameters and do not become
68/// extra document fields when sent through structured document RPC.
69#[derive(Clone, Default)]
70pub struct InvokeOptions {
71    pub timeout: Option<Duration>,
72    pub expected_revision: Option<String>,
73    pub change_mode: Option<String>,
74    pub dry_run: Option<bool>,
75    pub stdin_bytes: Option<Vec<u8>>,
76}
77
78impl std::fmt::Debug for InvokeOptions {
79    fn fmt(&self, formatter: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
80        formatter
81            .debug_struct("InvokeOptions")
82            .field("timeout", &self.timeout)
83            .field("has_stdin", &self.stdin_bytes.is_some())
84            .finish_non_exhaustive()
85    }
86}
87
88/// A generated method calls exactly one canonical operation through this seam.
89/// Implementations own routing, authentication, session binding and I/O.
90pub trait Invoker: Sync {
91    fn invoke(
92        &self,
93        operation_id: &str,
94        params: Value,
95        options: InvokeOptions,
96    ) -> impl Future<Output = Result<Value>> + Send;
97}