Refactored the backend yet again

1 files changed, 40 insertions, 0 deletions

diff --git a/packages/server/src/git/tree_entry.ts b/packages/server/src/git/tree_entry.ts
new file mode 100644
index 0000000..3bcf10e
--- /dev/null
+++ b/packages/server/src/git/tree_entry.ts
@@ -0,0 +1,40 @@
+import { Blob } from "./blob";
+import { Commit } from "./commit";
+import { TreeEntry as NodeGitTreeEntry } from "nodegit";
+import { Repository } from "./repository";
+import { Tree } from "./tree";
+import { dirname } from "path";
+import { findAsync } from "./misc";
+
+export class TreeEntry {
+	private _ng_tree_entry: NodeGitTreeEntry;
+	private _owner: Repository;
+
+	public path: string;
+	public type: "blob" | "tree";
+
+	constructor(owner: Repository, entry: NodeGitTreeEntry) {
+		this._ng_tree_entry = entry;
+		this._owner = owner;
+
+		this.path = entry.path();
+		this.type = entry.isBlob() ? "blob" : "tree";
+	}
+
+	async latestCommit(): Promise<Commit> {
+		const commits = await this._owner.commits();
+
+		return findAsync(commits, async commit => {
+			const diff = await commit.diff();
+			const patches = await diff.getPatches();
+
+			return Boolean(this.type === "blob"
+				? patches.find(patch => patch.to === this.path)
+				: patches.find(patch => dirname(patch.to).startsWith(this.path)));
+		});
+	}
+
+	async peel(): Promise<Blob | Tree> {
+		return this.type === "blob" ? new Blob(this._ng_tree_entry) : new Tree(this._owner, await this._ng_tree_entry.getTree());
+	}
+}
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