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systemprompt_provider_contracts/
job.rs

1//! [`Job`] contract for scheduled / on-startup background jobs registered
2//! via the `inventory` crate.
3//!
4//! Copyright (c) systemprompt.io — Business Source License 1.1.
5//! See <https://systemprompt.io> for licensing details.
6
7use std::collections::HashMap;
8use std::sync::Arc;
9
10use async_trait::async_trait;
11use systemprompt_identifiers::Actor;
12
13use crate::error::ProviderResult;
14
15#[derive(Debug, Clone)]
16pub struct JobResult {
17    pub success: bool,
18    pub message: Option<String>,
19    pub items_processed: Option<u64>,
20    pub items_failed: Option<u64>,
21    pub duration_ms: u64,
22}
23
24impl JobResult {
25    #[must_use]
26    pub const fn success() -> Self {
27        Self {
28            success: true,
29            message: None,
30            items_processed: None,
31            items_failed: None,
32            duration_ms: 0,
33        }
34    }
35
36    #[must_use]
37    pub fn with_message(mut self, message: impl Into<String>) -> Self {
38        self.message = Some(message.into());
39        self
40    }
41
42    #[must_use]
43    pub const fn with_stats(mut self, processed: u64, failed: u64) -> Self {
44        self.items_processed = Some(processed);
45        self.items_failed = Some(failed);
46        self
47    }
48
49    #[must_use]
50    pub const fn with_duration(mut self, duration_ms: u64) -> Self {
51        self.duration_ms = duration_ms;
52        self
53    }
54
55    #[must_use]
56    pub fn failure(message: impl Into<String>) -> Self {
57        Self {
58            success: false,
59            message: Some(message.into()),
60            items_processed: None,
61            items_failed: None,
62            duration_ms: 0,
63        }
64    }
65}
66
67pub struct JobContext {
68    actor: Actor,
69    db_pool: Arc<dyn std::any::Any + Send + Sync>,
70    app_context: Arc<dyn std::any::Any + Send + Sync>,
71    app_paths: Arc<dyn std::any::Any + Send + Sync>,
72    parameters: HashMap<String, String>,
73    enforce: bool,
74}
75
76impl std::fmt::Debug for JobContext {
77    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
78        f.debug_struct("JobContext")
79            .field("actor", &self.actor)
80            .field("db_pool", &"<type-erased>")
81            .field("app_context", &"<type-erased>")
82            .field("app_paths", &"<type-erased>")
83            .field("parameters", &self.parameters)
84            .field("enforce", &self.enforce)
85            .finish()
86    }
87}
88
89impl JobContext {
90    #[must_use]
91    pub fn new(
92        actor: Actor,
93        db_pool: Arc<dyn std::any::Any + Send + Sync>,
94        app_context: Arc<dyn std::any::Any + Send + Sync>,
95        app_paths: Arc<dyn std::any::Any + Send + Sync>,
96    ) -> Self {
97        Self {
98            actor,
99            db_pool,
100            app_context,
101            app_paths,
102            parameters: HashMap::new(),
103            enforce: false,
104        }
105    }
106
107    #[must_use]
108    pub const fn enforce(&self) -> bool {
109        self.enforce
110    }
111
112    #[must_use]
113    pub const fn with_enforce(mut self, enforce: bool) -> Self {
114        self.enforce = enforce;
115        self
116    }
117
118    #[must_use]
119    pub const fn actor(&self) -> &Actor {
120        &self.actor
121    }
122
123    #[must_use]
124    pub fn with_parameters(mut self, parameters: HashMap<String, String>) -> Self {
125        self.parameters = parameters;
126        self
127    }
128
129    #[must_use]
130    pub fn db_pool<T: 'static>(&self) -> Option<&T> {
131        self.db_pool.as_ref().downcast_ref::<T>()
132    }
133
134    #[must_use]
135    pub fn app_context<T: 'static>(&self) -> Option<&T> {
136        self.app_context.as_ref().downcast_ref::<T>()
137    }
138
139    #[must_use]
140    pub fn app_paths<T: 'static>(&self) -> Option<&T> {
141        self.app_paths.as_ref().downcast_ref::<T>()
142    }
143
144    #[must_use]
145    pub fn db_pool_arc(&self) -> Arc<dyn std::any::Any + Send + Sync> {
146        Arc::clone(&self.db_pool)
147    }
148
149    #[must_use]
150    pub fn app_context_arc(&self) -> Arc<dyn std::any::Any + Send + Sync> {
151        Arc::clone(&self.app_context)
152    }
153
154    #[must_use]
155    pub fn app_paths_arc(&self) -> Arc<dyn std::any::Any + Send + Sync> {
156        Arc::clone(&self.app_paths)
157    }
158
159    #[must_use]
160    pub const fn parameters(&self) -> &HashMap<String, String> {
161        &self.parameters
162    }
163
164    #[must_use]
165    pub fn get_parameter(&self, key: &str) -> Option<&String> {
166        self.parameters.get(key)
167    }
168
169    pub fn get_parameter_parsed<T: std::str::FromStr>(
170        &self,
171        key: &str,
172    ) -> Result<Option<T>, crate::ProviderError>
173    where
174        T::Err: std::fmt::Display,
175    {
176        self.parameters
177            .get(key)
178            .map(|value| {
179                value.parse().map_err(|e| {
180                    crate::ProviderError::Configuration(format!(
181                        "invalid job parameter {key}={value}: {e}"
182                    ))
183                })
184            })
185            .transpose()
186    }
187}
188
189#[async_trait]
190pub trait Job: Send + Sync + 'static {
191    fn name(&self) -> &'static str;
192
193    fn description(&self) -> &'static str {
194        ""
195    }
196
197    fn schedule(&self) -> &'static str;
198
199    fn tags(&self) -> Vec<&'static str> {
200        vec![]
201    }
202
203    async fn execute(&self, ctx: &JobContext) -> ProviderResult<JobResult>;
204
205    fn enabled(&self) -> bool {
206        true
207    }
208
209    fn schedulable(&self) -> bool {
210        true
211    }
212}
213
214inventory::collect!(&'static dyn Job);
215
216#[macro_export]
217macro_rules! submit_job {
218    ($job:expr) => {
219        inventory::submit!($job as &'static dyn $crate::Job);
220    };
221}