Refactored the backend yet again

1 files changed, 105 insertions, 0 deletions

diff --git a/packages/server/src/git/repository.ts b/packages/server/src/git/repository.ts
new file mode 100644
index 0000000..ac0927a
--- /dev/null
+++ b/packages/server/src/git/repository.ts
@@ -0,0 +1,105 @@
+import { Object as NodeGitObject, Oid as NodeGitOid, Repository as NodeGitRepository, Revwalk as NodeGitRevwalk } from "nodegit";
+import { Request, connect } from "./http";
+import { basename, dirname } from "path";
+import { getDirectory, getFile } from "./misc";
+import { Branch } from "./branch";
+import { Commit } from "./commit";
+import { FastifyReply } from "fastify";
+import { Tag } from "./tag";
+import { Tree } from "./tree";
+
+function getFullRepositoryName(repo_name: string) {
+	return repo_name.endsWith(".git") ? repo_name : `${repo_name}.git`;
+}
+
+type RepositoryName = {
+	short: string,
+	full: string,
+}
+
+type RepositoryConstructorData = {
+	description: string | null,
+	owner: string | null
+}
+
+export class Repository {
+	private _ng_repository: NodeGitRepository;
+
+	public name: RepositoryName;
+	public base_dir: string;
+	public description: string | null;
+	public owner: string | null;
+
+	constructor(repository: NodeGitRepository, data: RepositoryConstructorData) {
+		this._ng_repository = repository;
+		this.name = {
+			short: basename(repository.path()).slice(0, -4),
+			full: basename(repository.path())
+		};
+		this.base_dir = dirname(repository.path());
+		this.description = data.description;
+		this.owner = data.owner;
+	}
+
+	async commits(): Promise<Commit[]> {
+		const walker = NodeGitRevwalk.create(this._ng_repository);
+		walker.pushHead();
+
+		return Promise.all((await walker.getCommitsUntil(() => true)).map(commit => new Commit(this, commit)));
+	}
+
+	async tree(): Promise<Tree> {
+		const master_commit = await this._ng_repository.getMasterCommit();
+		const tree = await master_commit.getTree();
+		return new Tree(this, tree);
+	}
+
+	lookupExists(id: string): Promise<boolean> {
+		return NodeGitObject.lookup(this._ng_repository, NodeGitOid.fromString(id), NodeGitObject.TYPE.ANY)
+			.then(() => true)
+			.catch(() => false);
+	}
+
+	async branches(): Promise<Branch[]> {
+		const references = await this._ng_repository.getReferences();
+		return references.filter(ref => ref.isBranch()).map(branch => new Branch(this, branch));
+	}
+
+	async tags(): Promise<Tag[]> {
+		const references = await this._ng_repository.getReferences();
+		return references.filter(ref => ref.isTag()).map(tag => new Tag(this, tag));
+	}
+
+	async latestCommit(): Promise<Commit> {
+		return new Commit(this, await this._ng_repository.getMasterCommit());
+	}
+
+	HTTPconnect(req: Request, reply: FastifyReply): void {
+		connect(this, req, reply);
+	}
+
+	get nodegitRepository(): NodeGitRepository {
+		return this._ng_repository;
+	}
+
+	static async open(base_dir: string, repository: string): Promise<Repository> {
+		const ng_repository = await NodeGitRepository.openBare(`${base_dir}/${getFullRepositoryName(repository)}`);
+
+		return new Repository(ng_repository, {
+			description: await getFile(base_dir, getFullRepositoryName(repository), "description"),
+			owner: await getFile(base_dir, getFullRepositoryName(repository), "owner")
+		});
+	}
+
+	static async openAll(base_dir: string): Promise<Repository[] | null> {
+		const dir_content = await getDirectory(base_dir);
+
+		if(dir_content.length === 0) {
+			return null;
+		}
+
+		const repositories = dir_content.filter(dir_entry => dir_entry.endsWith(".git"));
+
+		return Promise.all(repositories.map(repository => this.open(base_dir, repository)));
+	}
+}
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