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44 changes: 22 additions & 22 deletions src/course.rs
Original file line number Diff line number Diff line change
Expand Up @@ -144,22 +144,16 @@ fn parse_issue(issue: &Issue) -> Result<Option<(NonZeroUsize, Option<Assignment>
..
} = issue;

let mut sprint = None;
let mut sprints = Vec::new();

let mut submit_label = None;
let mut optionality = None;

for label in labels {
if let Some(sprint_number) = label.name.strip_prefix("📅 Sprint ") {
if sprint.is_some() {
return Err(Error::UserFacing(format!(
"Failed to parse issue {} - duplicate sprint labels",
html_url
)));
}
match NonZeroUsize::from_str(sprint_number) {
Ok(sprint_number) => {
sprint = Some(sprint_number);
sprints.push(sprint_number);
}
Err(_err) => {
return Err(Error::UserFacing(format!(
Expand Down Expand Up @@ -198,20 +192,11 @@ fn parse_issue(issue: &Issue) -> Result<Option<(NonZeroUsize, Option<Assignment>
}
}

let sprint = sprint.ok_or_else(|| {
Error::UserFacing(format!(
"Failed to parse issue {} - no sprint label.{}",
html_url, BAD_LABEL_SUFFIX,
))
})?;

let submit_label = match submit_label {
Some(submit_label) => submit_label,
// TODO: For now we treat a missing Submit label as an issue to ignore.
// When all issues have Submit labels, we should error if they're missing.
None => {
return Ok(Some((sprint, None)));
}
let Some(submit_label) = submit_label else {
return Err(Error::UserFacing(format!(
"Failed to parse issue {} - no submit label.{}",
html_url, BAD_LABEL_SUFFIX
)));
};

let optionality = optionality.ok_or_else(|| {
Expand Down Expand Up @@ -248,6 +233,21 @@ fn parse_issue(issue: &Issue) -> Result<Option<(NonZeroUsize, Option<Assignment>
}
};

let sprint = match sprints.as_slice() {
[sprint] => *sprint,
[] if assignment.is_none() => {
return Ok(None);
}
// If empty (and assignment is not None), or more than one value:
empty_or_more_than_one => {
return Err(Error::UserFacing(format!(
"Failed to parse issue {} - expected exactly one sprint label but got {}",
html_url,
empty_or_more_than_one.len()
)));
}
};

Ok(Some((sprint, assignment)))
}

Expand Down