code-moniker-workspace 0.4.0

Workspace model, ports, snapshots, linkage, and change analysis for code-moniker.
Documentation 
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use super::model::SourceSummary;
use crate::snapshot::model::{SourceId, WorkspaceSnapshot};

pub struct SourceView<'a> {
	snapshot: &'a WorkspaceSnapshot,
}

impl<'a> SourceView<'a> {
	pub(super) fn new(snapshot: &'a WorkspaceSnapshot) -> Self {
		Self { snapshot }
	}

	pub fn all(&self) -> Vec<SourceSummary> {
		self.snapshot
			.catalog
			.sources
			.iter()
			.map(|source| SourceSummary {
				id: source.id,
				display_name: source.display_name.clone(),
				language: source.language.clone(),
				change_count: self.change_count_for_source(&source.id),
			})
			.collect()
	}

	pub fn record(&self, id: &SourceId) -> Option<&'a crate::snapshot::model::SourceFileRecord> {
		let record = self.snapshot.index.sources.get(id.file());
		if let Some(record) = record
			&& &record.id == id
		{
			return Some(record);
		}
		self.snapshot
			.index
			.sources
			.iter()
			.find(|source| &source.id == id)
	}

	pub fn find(&self, source: &SourceId) -> Option<SourceSummary> {
		self.all()
			.into_iter()
			.find(|candidate| &candidate.id == source)
	}

	fn change_count_for_source(&self, source: &SourceId) -> usize {
		self.snapshot
			.changes
			.changes
			.iter()
			.filter(|change| change.source.as_ref() == Some(source))
			.count()
	}
}