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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import * as vscode from 'vscode';
import * as Octokit from '@octokit/rest';
import Logger from '../common/logger';
import { Remote, parseRemote } from '../common/remote';
import { PRType, IGitHubRepository } from './interface';
import { PullRequestModel } from './pullRequestModel';
import { CredentialStore } from './credentials';
import { AuthenticationError } from '../common/authentication';
export const PULL_REQUEST_PAGE_SIZE = 20;
export interface PullRequestData {
pullRequests: PullRequestModel[];
hasMorePages: boolean;
}
export class GitHubRepository implements IGitHubRepository {
private _octokit: Octokit;
private _initialized: boolean;
public get octokit(): Octokit {
if (this._octokit === undefined) {
if (!this._initialized) {
throw new Error('Call ensure() before accessing this property.');
} else {
throw new AuthenticationError('Not authenticated.');
}
}
return this._octokit;
}
constructor(public remote: Remote, private readonly _credentialStore: CredentialStore) {
}
async resolveRemote(): Promise<void> {
try {
const { octokit, remote } = await this.ensure();
const { data } = await octokit.repos.get({
owner: remote.owner,
repo: remote.repositoryName
});
this.remote = parseRemote(remote.remoteName, data.clone_url);
} catch (e) {
Logger.appendLine(`Unable to resolve remote: ${e}`);
}
}
async ensure(): Promise<GitHubRepository> {
this._initialized = true;
if (!await this._credentialStore.hasOctokit(this.remote)) {
this._octokit = await this._credentialStore.loginWithConfirmation(this.remote);
} else {
this._octokit = await this._credentialStore.getOctokit(this.remote);
}
return this;
}
async authenticate(): Promise<boolean> {
this._initialized = true;
if (!await this._credentialStore.hasOctokit(this.remote)) {
this._octokit = await this._credentialStore.login(this.remote);
} else {
this._octokit = this._credentialStore.getOctokit(this.remote);
}
return this.octokit !== undefined;
}
async getDefaultBranch(): Promise<string> {
try {
const { octokit, remote } = await this.ensure();
const { data } = await octokit.repos.get({
owner: remote.owner,
repo: remote.repositoryName
});
return data.default_branch;
} catch (e) {
Logger.appendLine(`GitHubRepository> Fetching default branch failed: ${e}`);
}
return 'master';
}
async getPullRequests(prType: PRType, page?: number): Promise<PullRequestData> {
return prType === PRType.All ? this.getAllPullRequests(page) : this.getPullRequestsForCategory(prType, page);
}
private async getAllPullRequests(page?: number): Promise<PullRequestData> {
try {
const { octokit, remote } = await this.ensure();
const result = await octokit.pullRequests.getAll({
owner: remote.owner,
repo: remote.repositoryName,
per_page: PULL_REQUEST_PAGE_SIZE,
page: page || 1
});
const hasMorePages = !!result.headers.link && result.headers.link.indexOf('rel="next"') > -1;
const pullRequests = result.data.map(item => {
if (!item.head.repo) {
Logger.appendLine('GitHubRepository> The remote branch for this PR was already deleted.');
return null;
}
return new PullRequestModel(this, this.remote, item);
}).filter(item => item !== null);
return {
pullRequests,
hasMorePages
};
} catch (e) {
Logger.appendLine(`GitHubRepository> Fetching all pull requests failed: ${e}`);
if (e.code === 404) {
// not found
vscode.window.showWarningMessage(`Fetching pull requests for remote '${this.remote.remoteName}' failed, please check if the url ${this.remote.url} is valid.`);
} else {
throw e;
}
}
return null;
}
private async getPullRequestsForCategory(prType: PRType, page: number): Promise<PullRequestData> {
try {
const { octokit, remote } = await this.ensure();
const user = await octokit.users.get({});
// Search api will not try to resolve repo that redirects, so get full name first
const repo = await octokit.repos.get({ owner: this.remote.owner, repo: this.remote.repositoryName });
const { data, headers } = await octokit.search.issues({
q: this.getPRFetchQuery(repo.data.full_name, user.data.login, prType),
per_page: PULL_REQUEST_PAGE_SIZE,
page: page || 1
});
let promises = [];
data.items.forEach(item => {
promises.push(new Promise(async (resolve, reject) => {
let prData = await octokit.pullRequests.get({
owner: remote.owner,
repo: remote.repositoryName,
number: item.number
});
resolve(prData);
}));
});
const hasMorePages = !!headers.link && headers.link.indexOf('rel="next"') > -1;
const pullRequests = await Promise.all(promises).then(values => {
return values.map(item => {
if (!item.data.head.repo) {
Logger.appendLine('GitHubRepository> The remote branch for this PR was already deleted.');
return null;
}
return new PullRequestModel(this, this.remote, item.data);
}).filter(item => item !== null);
});
return {
pullRequests,
hasMorePages
};
} catch (e) {
Logger.appendLine(`GitHubRepository> Fetching all pull requests failed: ${e}`);
if (e.code === 404) {
// not found
vscode.window.showWarningMessage(`Fetching pull requests for remote ${this.remote.remoteName}, please check if the url ${this.remote.url} is valid.`);
} else {
throw e;
}
}
}
async getPullRequest(id: number): Promise<PullRequestModel> {
try {
const { octokit, remote } = await this.ensure();
let { data } = await octokit.pullRequests.get({
owner: remote.owner,
repo: remote.repositoryName,
number: id
});
if (!data.head.repo) {
Logger.appendLine('GitHubRepository> The remote branch for this PR was already deleted.');
return null;
}
return new PullRequestModel(this, remote, data);
} catch (e) {
Logger.appendLine(`GithubRepository> Unable to fetch PR: ${e}`);
return null;
}
}
private getPRFetchQuery(repo: string, user: string, type: PRType) {
let filter = '';
switch (type) {
case PRType.RequestReview:
filter = `review-requested:${user}`;
break;
case PRType.AssignedToMe:
filter = `assignee:${user}`;
break;
case PRType.Mine:
filter = `author:${user}`;
break;
default:
break;
}
return `is:open ${filter} type:pr repo:${repo}`;
}
}