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import { APP_VERSION } from '@/lib/consts'; |
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import { RepositoryInfo } from '@/types/RepositoryInfo'; |
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import { Octokit } from '@octokit/core/dist-node/index'; |
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import { throttling } from '@octokit/plugin-throttling'; |
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let AppOctokitDefaults: typeof Octokit; |
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export function initOctokit(token: string) { |
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AppOctokitDefaults = Octokit.defaults({ |
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auth: token, |
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log: console, |
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userAgent: `codeboost/v${APP_VERSION}`, |
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}); |
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AppOctokitDefaults.plugin(throttling); |
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} |
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export function createOctokit(): Octokit { |
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const result = new AppOctokitDefaults({ |
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throttle: { |
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onRateLimit: (retryAfter, options, octokit, retryCount) => { |
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result.log.warn(`Request quota exhausted for request ${options.method} ${options.url}`); |
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// retries twice |
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if (retryCount < 2) { |
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result.log.info(`Retrying after ${retryAfter} seconds!`); |
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return true; |
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} |
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}, |
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onSecondaryRateLimit: (retryAfter, options, octokit) => { |
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// does not retry, only logs a warning |
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result.log.warn(`SecondaryRateLimit detected for request ${options.method} ${options.url}`); |
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}, |
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}, |
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}); |
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return result; |
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} |
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/** |
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* A class for interacting with the Github API |
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*/ |
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export class Github { |
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protected static cache = { currentUser: null as { login: string } | null }; |
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static async setCache(cache: any) { |
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Github.cache = cache; |
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} |
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static async currentUser(octokit: Octokit | null = null) { |
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octokit = octokit ?? createOctokit(); |
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if (Github.cache.currentUser) { |
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return Github.cache.currentUser; |
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} |
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// get currently authenticated user |
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const user = await octokit.request('GET /user'); |
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if (user.status !== 200) { |
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throw new Error('Failed to get currently authenticated user'); |
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} |
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Github.cache.currentUser = { login: user.data.login }; |
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return user.data; |
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} |
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/** |
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* Attempts to fork a repository into the currently authenticated user's account. |
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* Throws an error if the fork already exists. |
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* @param {Repository} repository |
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* @param {Octokit|null} octokit |
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*/ |
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static async forkRepository(repository: RepositoryInfo, octokit: Octokit | null = null) { |
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octokit = octokit ?? createOctokit(); |
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const currentUserLogin = (await Github.currentUser(octokit)).login; |
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if (currentUserLogin === repository.owner) { |
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throw new Error(`Cannot fork repository ${repository.owner}/${repository.name} into itself`); |
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} |
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const result = await octokit.request(`POST /repos/${repository.owner}/${repository.name}/forks`, { |
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owner: currentUserLogin, |
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repo: this.name, |
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default_branch_only: true, |
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}); |
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if (result.status !== 202) { |
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throw new Error(`Failed to create fork of ${repository.owner}/${repository.name}`); |
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} |
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return result.data; |
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} |
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static async getRepository(repository: RepositoryInfo, octokit: Octokit | null = null) { |
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octokit = octokit ?? createOctokit(); |
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const result = await octokit.request(`GET /repos/${repository.owner}/${repository.name}`); |
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if (result.status !== 200) { |
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throw new Error(`Failed to get repository ${repository.owner}/${repository.name}`); |
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} |
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return result.data; |
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} |
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// create a pull request |
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static async createPullRequest( |
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repository: RepositoryInfo, |
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branchName: string, |
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defaultBranchName: string, |
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title: string, |
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body: string, |
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octokit: Octokit | null = null, |
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isForkPr = true, |
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) { |
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octokit = octokit ?? createOctokit(); |
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const currentUsername = (await Github.currentUser(octokit)).login; |
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const result = await octokit.request(`POST /repos/${repository.owner}/${repository.name}/pulls`, { |
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owner: currentUsername, |
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repo: repository.name, |
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title, |
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body, |
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head: `${isForkPr ? currentUsername + ':' : ''}${branchName}`, |
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base: defaultBranchName, |
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}); |
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if (result.status !== 201) { |
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throw new Error(`Failed to create pull request for ${currentUsername}/${repository.name}`); |
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} |
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return result.data; |
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} |
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static async mergePullRequest(repository: RepositoryInfo, pullRequestNumber: number, octokit: Octokit | null = null) { |
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octokit = octokit ?? createOctokit(); |
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const result = await octokit.request(`PUT /repos/${repository.owner}/${repository.name}/pulls/${pullRequestNumber}/merge`, { |
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owner: repository.owner, |
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repo: repository.name, |
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pull_number: pullRequestNumber, |
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merge_method: 'merge', |
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}); |
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if (result.status !== 200) { |
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throw new Error(`Failed to merge pull request for ${repository.owner}/${repository.name}`); |
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} |
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return result.data; |
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} |
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} |
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permafrost-dev /
codeboost
