mit_commit_message_lints/relates/cmd/
get_relate_to_configuration.rs

1use std::{
2    convert::TryInto,
3    time::{Duration, SystemTime, UNIX_EPOCH},
4};
5
6use miette::{IntoDiagnostic, Result, WrapErr};
7
8use crate::{external::Vcs, relates::RelateTo};
9
10const CONFIG_KEY_EXPIRES: &str = "mit.relate.expires";
11
12/// Get the relate-to that are currently defined for this vcs config source
13///
14/// # Errors
15///
16/// Will fail if reading or writing from the VCS config fails, or it contains
17/// data in an incorrect format
18pub fn get_relate_to_configuration(config: &dyn Vcs) -> Result<Option<RelateTo<'_>>> {
19    let config_value = config.get_i64(CONFIG_KEY_EXPIRES)?;
20
21    match config_value {
22        Some(config_value) => {
23            let now = now()?;
24
25            if now < Duration::from_secs(config_value.try_into().into_diagnostic()?) {
26                let relate_to_config = get_vcs_relate_to(config)?.map(RelateTo::from);
27
28                Ok(relate_to_config)
29            } else {
30                Ok(None)
31            }
32        }
33        None => Ok(None),
34    }
35}
36
37fn now() -> Result<Duration> {
38    SystemTime::now()
39        .duration_since(UNIX_EPOCH)
40        .into_diagnostic()
41}
42
43#[allow(clippy::maybe_infinite_iter)]
44fn get_vcs_relate_to(config: &dyn Vcs) -> Result<Option<&str>> {
45    config
46        .get_str("mit.relate.to")
47        .wrap_err("failed to read relate-to issue")
48}