--- /dev/null
+#!/usr/bin/env php
+<?php
+
+// API Credentials
+// You can either provide them as environment variables
+// or hard-code them in the empty strings below.
+$apiUrl = getenv('BS_URL') ?: '';
+$clientId = getenv('BS_TOKEN_ID') ?: '';
+$clientSecret = getenv('BS_TOKEN_SECRET') ?: '';
+
+// Output Folder
+// Can be provided as a arguments when calling the script
+// or be hard-coded as strings below.
+$bookSlug = $argv[1] ?? '';
+$outFolder = $argv[2] ?? './out';
+
+// Script logic
+////////////////
+
+if (empty($bookSlug) || empty($outFolder)) {
+ errorOut("Both a book slug and output folder must be provided");
+}
+
+if (!is_dir($outFolder)) {
+ mkdir($outFolder, 0777, true);
+}
+
+$outDir = realpath($outFolder);
+$book = getBookBySlug($bookSlug);
+
+if (is_null($book)) {
+ errorOut("Could not find book with the URL slug: {$bookSlug}");
+}
+
+$chapters = getAllOfAtListEndpoint("api/chapters", ['filter[book_id]' => $book['id']]);
+$pages = getAllOfAtListEndpoint("api/pages", ['filter[book_id]' => $book['id']]);
+
+foreach ($pages as $index => $page) {
+ $pages[$index] = apiGetJson("api/pages/{$page['id']}");
+}
+
+if (!is_dir($outDir . "/images")) {
+ mkdir($outDir . "/images", 0777, true);
+}
+
+$directBookPages = array_filter($pages, function($page) {
+ return empty($page['chapter_id']);
+});
+
+// Create book index file
+$bookIndex = getBookContent($book, $chapters, $directBookPages);
+file_put_contents($outDir . "/index.html", $bookIndex);
+
+foreach ($chapters as $chapter) {
+ $childPages = array_filter($pages, function($page) use ($chapter) {
+ return $page['chapter_id'] == $chapter['id'];
+ });
+ $chapterPage = getChapterContent($chapter, $childPages);
+ file_put_contents($outDir . "/chapter-{$chapter['slug']}.html", $chapterPage);
+
+ foreach ($childPages as $childPage) {
+ $childPageContent = getPageContent($childPage, $chapter);
+ $childPageContent = extractImagesFromHtml($childPageContent);
+ file_put_contents($outDir . "/page-{$childPage['slug']}.html", $childPageContent);
+ }
+}
+
+foreach ($directBookPages as $directPage) {
+ $directPageContent = getPageContent($directPage, null);
+ $directPageContent = extractImagesFromHtml($directPageContent);
+ file_put_contents($outDir . "/page-{$directPage['slug']}.html", $directPageContent);
+}
+
+function extractImagesFromHtml(string $html): string {
+ global $outDir;
+ $matches = [];
+ preg_match_all('/<img.*?src=["\'](.*?)[\'"].*?>/i', $html, $matches);
+ foreach (array_unique($matches[1] ?? []) as $url) {
+ $image = file_get_contents($url);
+ $name = basename($url);
+ $fileName = $name;
+ $count = 1;
+ while (file_exists($outDir . "/images/" . $fileName)) {
+ $fileName = $count . '-' . $name;
+ }
+ file_put_contents($outDir . "/images/" . $fileName, $image);
+ $html = str_replace($url, "./images/" . $fileName, $html);
+ }
+ return $html;
+}
+
+function getImageFile($url): string {
+ global $apiUrl;
+ if (strpos(strtolower($url), strtolower($apiUrl)) === 0) {
+ $url = substr($url, strlen($apiUrl));
+ return apiGet($url);
+ }
+ return file_get_contents($url);
+}
+
+function getBookContent(array $book, array $chapters, array $pages): string {
+ $content = "<h1>{$book['name']}</h1>";
+ $content .= "<p>{$book['description']}</p>";
+ $content .= "<hr>";
+ if (count($chapters) > 0) {
+ $content .= "<h3>Chapters</h3><ul>";
+ foreach ($chapters as $chapter) {
+ $content .= "<li><a href='./chapter-{$chapter['slug']}.html'>{$chapter['name']}</a></li>";
+ }
+ $content .= "</ul>";
+ }
+ if (count($pages) > 0) {
+ $content .= "<h3>Pages</h3><ul>";
+ foreach ($pages as $page) {
+ $content .= "<li><a href='./page-{$page['slug']}.html'>{$page['name']}</a></li>";
+ }
+ $content .= "</ul>";
+ }
+ return $content;
+}
+
+function getChapterContent(array $chapter, array $pages): string {
+ $content = "<p><a href='./index.html'>Back to book</a></p>";
+ $content .= "<h1>{$chapter['name']}</h1>";
+ $content .= "<p>{$chapter['description']}</p>";
+ $content .= "<hr>";
+ if (count($pages) > 0) {
+ $content .= "<h3>Pages</h3><ul>";
+ foreach ($pages as $page) {
+ $content .= "<li><a href='./page-{$page['slug']}.html'>{$page['name']}</a></li>";
+ }
+ $content .= "</ul>";
+ }
+ return $content;
+}
+
+function getPageContent(array $page, ?array $parentChapter): string {
+ if (is_null($parentChapter)) {
+ $content = "<p><a href='./index.html'>Back to book</a></p>";
+ } else {
+ $content = "<p><a href='./chapter-{$parentChapter['slug']}.html'>Back to chapter</a></p>";
+ }
+ $content .= "<h1>{$page['name']}</h1>";
+ $content .= "<div>{$page['html']}</div>";
+ return $content;
+}
+
+/**
+ * Get a single book by the slug or return null if not exists.
+ */
+function getBookBySlug(string $slug): ?array {
+ $endpoint = 'api/books?' . http_build_query(['filter[slug]' => $slug]);
+ $resp = apiGetJson($endpoint);
+ $book = $resp['data'][0] ?? null;
+
+ if (!is_null($book)) {
+ $book = apiGetJson("api/books/{$book['id']}") ?? null;
+ }
+ return $book;
+}
+
+/**
+ * Get all books from the system API.
+ */
+function getAllOfAtListEndpoint(string $endpoint, array $params): array {
+ $count = 100;
+ $offset = 0;
+ $total = 0;
+ $all = [];
+
+ do {
+ $endpoint = $endpoint . '?' . http_build_query(array_merge($params, ['count' => $count, 'offset' => $offset]));
+ $resp = apiGetJson($endpoint);
+
+ $total = $resp['total'] ?? 0;
+ $new = $resp['data'] ?? [];
+ array_push($all, ...$new);
+ $offset += $count;
+ } while ($offset < $total);
+
+ return $all;
+}
+
+/**
+ * Make a simple GET HTTP request to the API.
+ */
+function apiGet(string $endpoint): string {
+ global $apiUrl, $clientId, $clientSecret;
+ $url = rtrim($apiUrl, '/') . '/' . ltrim($endpoint, '/');
+ $opts = ['http' => ['header' => "Authorization: Token {$clientId}:{$clientSecret}"]];
+ $context = stream_context_create($opts);
+ return file_get_contents($url, false, $context);
+}
+
+/**
+ * Make a simple GET HTTP request to the API &
+ * decode the JSON response to an array.
+ */
+function apiGetJson(string $endpoint): array {
+ $data = apiGet($endpoint);
+ return json_decode($data, true);
+}
+
+/**
+ * DEBUG: Dump out the given variables and exit.
+ */
+function dd(...$args) {
+ foreach ($args as $arg) {
+ var_dump($arg);
+ }
+ exit(1);
+}
+
+function errorOut(string $text) {
+ echo "ERROR: " . $text;
+ exit(1);
+}
\ No newline at end of file
projects / api-scripts / commitdiff