feat: introduce streamers that handle the stream and anonymization from github

src/server/database.ts

@@ -0,0 +1,75 @@
+import mongoose, { ConnectOptions } from "mongoose";
+import Repository from "../core/Repository";
+import config from "../config";
+import AnonymizedRepositoryModel from "../core/model/anonymizedRepositories/anonymizedRepositories.model";
+import AnonymousError from "../core/AnonymousError";
+import AnonymizedPullRequestModel from "../core/model/anonymizedPullRequests/anonymizedPullRequests.model";
+import PullRequest from "../core/PullRequest";
+
+const MONGO_URL = `mongodb://${config.DB_USERNAME}:${config.DB_PASSWORD}@${config.DB_HOSTNAME}:27017/`;
+
+export const database = mongoose.connection;
+
+export let isConnected = false;
+
+export async function connect() {
+  mongoose.set("strictQuery", false);
+  await mongoose.connect(MONGO_URL + "production", {
+    authSource: "admin",
+    appName: "Anonymous GitHub Server",
+    compressors: "zstd",
+  } as ConnectOptions);
+  isConnected = true;
+
+  return database;
+}
+
+export async function getRepository(
+  repoId: string,
+  opts: {
+    includeFiles: boolean;
+  } = {
+    includeFiles: true,
+  }
+) {
+  if (!repoId || repoId == "undefined") {
+    throw new AnonymousError("repo_not_found", {
+      object: repoId,
+      httpStatus: 404,
+    });
+  }
+  const project: any = {};
+  if (!opts.includeFiles) {
+    project.originalFiles = 0;
+  }
+  const data = await AnonymizedRepositoryModel.findOne(
+    { repoId },
+    project
+  ).collation({
+    locale: "en",
+    strength: 2,
+  });
+  if (!data)
+    throw new AnonymousError("repo_not_found", {
+      object: repoId,
+      httpStatus: 404,
+    });
+  return new Repository(data);
+}
+export async function getPullRequest(pullRequestId: string) {
+  if (!pullRequestId || pullRequestId == "undefined") {
+    throw new AnonymousError("pull_request_not_found", {
+      object: pullRequestId,
+      httpStatus: 404,
+    });
+  }
+  const data = await AnonymizedPullRequestModel.findOne({
+    pullRequestId,
+  });
+  if (!data)
+    throw new AnonymousError("pull_request_not_found", {
+      object: pullRequestId,
+      httpStatus: 404,
+    });
+  return new PullRequest(data);
+}