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printobserver_types/
intervention.rs

1//! A bounded change, and what became of it when it expired.
2
3use schemars::JsonSchema;
4use serde::{Deserialize, Serialize};
5
6use crate::adjustable::Adjustable;
7use crate::ids::{ActionId, InterventionId, PrintId};
8use crate::timestamp::Timestamp;
9
10/// What became of a bounded change.
11#[derive(Debug, Clone, PartialEq, Serialize, Deserialize, JsonSchema)]
12#[serde(rename_all = "snake_case", deny_unknown_fields)]
13pub enum InterventionOutcome {
14    /// It is still in force.
15    StillActive,
16    /// The prior value was put back.
17    Restored,
18    /// There was no prior value to put back.
19    RestoreUnavailable,
20    /// Putting the prior value back failed.
21    RestoreFailed {
22        /// Why it failed.
23        reason: String,
24    },
25    /// Another intervention replaced it before it expired.
26    Superseded {
27        /// The intervention that replaced it.
28        by: InterventionId,
29    },
30}
31
32/// One adjustment made for a bounded time.
33///
34/// `prior_value` is read from the printer snapshot taken before the change, and
35/// is absent when the printer reported none — in which case expiry restores
36/// nothing and the outcome says so rather than guessing a default.
37#[derive(Debug, Clone, PartialEq, Serialize, Deserialize, JsonSchema)]
38#[serde(deny_unknown_fields)]
39pub struct Intervention {
40    /// This intervention's identifier, minted by the store.
41    pub id: InterventionId,
42    /// The print it was made against.
43    pub print_id: PrintId,
44    /// The action that asked for it.
45    pub action_id: ActionId,
46    /// What it changed.
47    pub adjustable: Adjustable,
48    /// What the printer reported before the change, if it reported anything.
49    #[serde(default, skip_serializing_if = "Option::is_none")]
50    pub prior_value: Option<f64>,
51    /// What it was changed to.
52    pub applied_value: f64,
53    /// When it was applied.
54    pub applied_at: Timestamp,
55    /// When it stops standing.
56    pub expires_at: Timestamp,
57    /// When the prior value was put back, if it was.
58    #[serde(default, skip_serializing_if = "Option::is_none")]
59    pub restored_at: Option<Timestamp>,
60    /// What became of it.
61    pub outcome: InterventionOutcome,
62}