Refactored the backend yet again

1 files changed, 69 insertions, 0 deletions

diff --git a/packages/server/src/git/commit.ts b/packages/server/src/git/commit.ts
new file mode 100644
index 0000000..64bae4d
--- /dev/null
+++ b/packages/server/src/git/commit.ts
@@ -0,0 +1,69 @@
+import { Commit as NodeGitCommit, Oid as NodeGitOid } from "nodegit";
+import { Author } from "./misc";
+import { Diff } from "./diff";
+import { Repository } from "./repository";
+import { Tree } from "./tree";
+
+export type CommitSummary = {
+	id: string | null,
+	message: string | null,
+	date: number | null
+}
+
+type DiffStats = {
+	insertions: number,
+	deletions: number,
+	files_changed: number
+}
+
+export class Commit {
+	private _ng_commit: NodeGitCommit;
+	private _owner: Repository;
+
+	public id: string;
+	public author: Author;
+	public date: number;
+	public message: string;
+
+	constructor(owner: Repository, commit: NodeGitCommit) {
+		this._ng_commit = commit;
+		this._owner = owner;
+
+		this.id = commit.sha();
+		this.author = {
+			name: commit.author().name(),
+			email: commit.author().email()
+		};
+		this.date = commit.time();
+		this.message = commit.message();
+	}
+
+	async diff(): Promise<Diff> {
+		return Diff.get((await this._ng_commit.getDiff())[0]);
+	}
+
+	async stats(): Promise<DiffStats> {
+		const stats = await (await this._ng_commit.getDiff())[0].getStats();
+
+		return {
+			insertions: <number>stats.insertions(),
+			deletions: <number>stats.deletions(),
+			files_changed: <number>stats.filesChanged()
+		};
+	}
+
+	async tree(): Promise<Tree> {
+		return new Tree(this._owner, await this._ng_commit.getTree());
+	}
+
+	static async lookup(repository: Repository, id: string | NodeGitOid): Promise<Commit> {
+		const commit = await NodeGitCommit.lookup(repository.nodegitRepository, id instanceof NodeGitOid ? id : NodeGitOid.fromString(id));
+		return new Commit(repository, commit);
+	}
+
+	static lookupExists(repository: Repository, id: string): Promise<boolean> {
+		return NodeGitCommit.lookup(repository.nodegitRepository, NodeGitOid.fromString(id))
+			.then(() => true)
+			.catch(() => false);
+	}
+}
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