Add changelog script for Android

Signed-off-by: Morris Jobke <hey@morrisjobke.de>

1 files changed, 308 insertions, 0 deletions

diff --git a/changelog/android.php b/changelog/android.php
new file mode 100644
index 0000000..a0f6d03
--- /dev/null
+++ b/changelog/android.php
@@ -0,0 +1,308 @@
+<?php
+
+// This file is generated by Composer
+require_once __DIR__ . '/vendor/autoload.php';
+
+use Symfony\Component\Console\Application;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Helper\ProgressBar;
+# TODO
+#use Cache\Adapter\Redis\RedisCachePool;
+
+class GenerateChangelogCommand extends Command
+{
+	protected function configure()
+	{
+		$this
+			->setName('generate:changelog')
+			->setDescription('Generates the changelog.')
+			->addArgument('base', InputArgument::REQUIRED, 'The base version.')
+			->addArgument('head', InputArgument::REQUIRED, 'The head version.')
+			->addOption(
+				'format',
+				'f',
+				InputOption::VALUE_REQUIRED,
+				'What format should the output have? (markdown, forum, html)',
+				'markdown'
+			);
+		;
+	}
+
+	/**
+	 * @throws Exception
+	 */
+	protected function execute(InputInterface $input, OutputInterface $output)
+	{
+		// TODO iterate over all repos
+		$orgName = 'nextcloud';
+		$repoName = 'android';
+
+		$reposToIterate = [
+			"android",
+			/*"server",
+			"3rdparty",
+			"activity",
+			"apps",
+			"files_pdfviewer",
+			"files_texteditor",
+			"files_videoplayer",
+			"firstrunwizard",
+			"gallery",
+			"logreader",
+			"nextcloud_announcements",
+			"notifications",
+			"password_policy",
+			"serverinfo",
+			"survey_client",*/
+		];
+
+
+		if (!file_exists(__DIR__ . '/../credentials.json')) {
+			throw new Exception('Credentials file is missing - please provide your credentials in credentials.json in the root folder.');
+		}
+
+		$credentialsData = json_decode(file_get_contents(__DIR__ . '/../credentials.json'), true);
+		if (!is_array($credentialsData) || !isset($credentialsData['apikey'])) {
+			throw new Exception('Credentials file can not be read or does not provide "apikey".');
+		}
+
+		$format = $input->getOption('format');
+		if (!in_array($format, ['markdown', 'forum', 'html'])) {
+			throw new \Symfony\Component\Console\Exception\InvalidOptionException(
+				"The provided format is invalid (should be one of markdown, forum, html but was '$format')"
+			);
+		}
+		$base = $input->getArgument('base');
+		$head = $input->getArgument('head');
+
+		$output->writeln("base: $base");
+		$output->writeln("head: $head");
+
+		$milestoneToCheck = null;
+		if (substr($base, 0, 7) === 'stable-') {
+			$version = explode('.', substr($base, 7));
+			if (count($version) !== 3) {
+				$output->writeln('<error>Detected version does not have exactly 3 numbers separated by a dot.</error>');
+			} else {
+				if (strpos($version[2], 'RC') !== false || strpos($version[2], 'beta') !== false) {
+					$version[2] = (string)((int)$version[2]); // this basically removes the beta/RC part
+					$milestoneToCheck = join('.', $version);
+
+					if (strpos($milestoneToCheck, '.0.0') !== false) {
+						$milestoneToCheck = str_replace('.0.0', '', $milestoneToCheck);
+					}
+				} else {
+					$version[2] = (string)((int)$version[2] + 1);
+					$milestoneToCheck = join('.', $version);
+				}
+				$output->writeln("Checking milestone $milestoneToCheck for pending PRs ...");
+			}
+		} else {
+			$output->writeln('<error>No version detected - the output will not contain any pending PRs. Use a git tag starting with "v" like "v13.0.5".</error>');
+		}
+
+		$prTitles = ['closed' => [], 'pending' => []];
+
+		# TODO
+		#$client = new \Redis();
+		#$client->connect('127.0.0.1', 6379);
+		// Create a PSR6 cache pool
+		#$pool = new RedisCachePool($client);
+
+		$client = new \Github\Client();
+		# TODO
+		#$client->addCache($pool);
+		$client->authenticate($credentialsData['apikey'], Github\Client::AUTH_URL_TOKEN);
+
+		$factor = 2;
+		if ($milestoneToCheck !== null) {
+			$factor = 3;
+		}
+
+		$progressBar = new ProgressBar($output, count($reposToIterate) * $factor);
+		$progressBar->setFormat(
+			implode(
+				"\n",
+				[
+					' %message%',
+					' %current%/%max% [%bar%] %percent:3s%%',
+					' Remaining: %remaining:6s%',
+				]
+			)
+		);
+		$progressBar->setMessage('Starting ...');
+		$progressBar->start();
+
+		foreach ($reposToIterate as $repoName) {
+
+			$pullRequests = [];
+			/** @var \Github\Api\Repo $repo */
+			$repo = $client->api('repo');
+			try {
+				$progressBar->setMessage("Fetching git history for $repoName...");
+				$diff = $repo->commits()->compare($orgName, $repoName, $base, $head);
+			} catch (\Github\Exception\RuntimeException $e) {
+				if ($e->getMessage() === 'Not Found') {
+					$output->writeln('<error>Could not find base or head reference.</error>');
+					return;
+				}
+				throw $e;
+			}
+
+			foreach ($diff['commits'] as $commit) {
+				$fullMessage = $commit['commit']['message'];
+				list($firstLine,) = explode("\n", $fullMessage, 2);
+				if (substr($firstLine, 0, 20) === 'Merge pull request #') {
+					$firstLine = substr($firstLine, 20);
+					list($number,) = explode(" ", $firstLine, 2);
+					$pullRequests[] = $number;
+				}
+			}
+			$progressBar->advance();
+
+			if ($milestoneToCheck !== null) {
+				$progressBar->setMessage("Fetching pending PRs for $repoName $milestoneToCheck ...");
+
+				$query = "query{
+  repository(owner: \"$orgName\", name: \"$repoName\") {
+	milestones(first: 20, states: [OPEN]) {
+      nodes {
+        title
+        pullRequests(states: [OPEN], first: 20) {
+          nodes {
+            number
+          }
+        }
+      }
+    }
+  }
+}";
+
+				$response = $client->api('graphql')->execute($query);
+				foreach ($response['data']['repository']['milestones']['nodes'] as $milestone) {
+					if (strpos($milestone['title'], $milestoneToCheck) !== false) {
+						foreach ($milestone['pullRequests']['nodes'] as $pr) {
+							$pullRequests[] = $pr['number'];
+						}
+					}
+				}
+				$progressBar->advance();
+			}
+
+			$query = <<<'QUERY'
+query {
+QUERY;
+			$query .= '    repository(owner: "' . $orgName . '", name: "' . $repoName . '") {';
+
+			foreach ($pullRequests as $pullRequest) {
+				$query .= "pr$pullRequest: pullRequest(number: $pullRequest) { number, title, state },";
+			}
+
+			$query .= <<<'QUERY'
+    }
+}
+QUERY;
+
+			$progressBar->setMessage("Fetching PR titles for $repoName ...");
+			$response = $client->api('graphql')->execute($query);
+
+			if (!isset($response['data']['repository'])) {
+				$progressBar->advance();
+				continue;
+			}
+			foreach ($response['data']['repository'] as $pr) {
+				$title = $pr['title'];
+				$title = preg_replace('!^(backport\W+#\d+:?)?\W*!i', '', $title);
+				$title = trim($title);
+				$title = strtoupper(substr($title, 0, 1)) . substr($title, 1);
+				$id = '#' . $pr['number'];
+				if ($repoName !== 'server') {
+					$id = $repoName . $id;
+				}
+				$data = [
+					'repoName' => $repoName,
+					'number' => $pr['number'],
+					'title' => $title,
+				];
+				if ($pr['state'] === 'MERGED') {
+					$prTitles['closed'][$id] = $data;
+				} else {
+					$prTitles['pending'][$id] = $data;
+				}
+			}
+			$progressBar->advance();
+		}
+		$progressBar->finish();
+
+		$output->writeln('');
+
+		ksort($prTitles['closed']);
+		ksort($prTitles['pending']);
+
+		switch($format) {
+			case 'html':
+				foreach($prTitles['closed'] as $id => $data) {
+					$repoName = $data['repoName'];
+					$number = $data['number'];
+					$title = $data['title'];
+					$output->writeln("<li><a href=\"https://github.com/$orgName/$repoName/pull/$number\">$title ($repoName#$number)</a></li>");
+				}
+				$count = count($prTitles['pending']);
+				if ($count > 0) {
+					$output->writeln("<error>$count pending PRs not printed - maybe the release is not ready yet</error>");
+				}
+				break;
+			case 'forum':
+				foreach($prTitles['closed'] as $id => $data) {
+					$repoName = $data['repoName'];
+					$number = $data['number'];
+					$title = $data['title'];
+					$output->writeln("* [$title ($repoName#$number)](https://github.com/$orgName/$repoName/pull/$number)");
+				}
+				$count = count($prTitles['pending']);
+				if ($count > 0) {
+					$output->writeln("<error>$count pending PRs not printed - maybe the release is not ready yet</error>");
+				}
+				break;
+			case 'markdown':
+			default:
+				foreach($prTitles['closed'] as $id => $data) {
+					$repoName = $data['repoName'];
+					$number = $data['number'];
+					$title = $data['title'];
+					if ($repoName === 'server') {
+						$output->writeln("* #$number $title");
+					} else {
+						$output->writeln("* [$repoName#$number](https://github.com/$orgName/$repoName/pull/$number) $title");
+					}
+				}
+				if (count($prTitles['pending'])) {
+					$output->writeln("\n\nPending PRs:\n");
+				}
+				foreach($prTitles['pending'] as $id => $data) {
+					$repoName = $data['repoName'];
+					$number = $data['number'];
+					$title = $data['title'];
+					if ($repoName === 'server') {
+						$output->writeln("* [ ] #$number $title");
+					} else {
+						$output->writeln("* [ ] [$repoName#$number](https://github.com/$orgName/$repoName/pull/$number) $title");
+					}
+				}
+				break;
+		}
+
+		// Stop using cache
+		# TODO
+		#$client->removeCache();
+	}
+}
+
+$application = new Application();
+
+$application->add(new GenerateChangelogCommand());
+$application->run();