extract actual file IO functions

2 files changed, 182 insertions, 0 deletions

diff --git a/src/write/page-template.js b/src/write/page-template.js
index 61579549..f7faeed0 100644
--- a/src/write/page-template.js
+++ b/src/write/page-template.js
@@ -606,3 +606,24 @@ export function generateRedirectHTML(title, target, {
       ])),
   ]);
 }
+
+export function generateGlobalWikiDataJSON({
+  serializeThings,
+  wikiData,
+}) {
+  return '{\n' +
+    ([
+      `"albumData": ${stringifyThings(wikiData.albumData)},`,
+      wikiData.wikiInfo.enableFlashesAndGames &&
+        `"flashData": ${stringifyThings(wikiData.flashData)},`,
+      `"artistData": ${stringifyThings(wikiData.artistData)}`,
+    ]
+      .filter(Boolean)
+      .map(line => '  ' + line)
+      .join('\n')) +
+    '\n}';
+
+  function stringifyThings(thingData) {
+    return JSON.stringify(serializeThings(thingData));
+  }
+}
diff --git a/src/write/write-files.js b/src/write/write-files.js
new file mode 100644
index 00000000..e448df3f
--- /dev/null
+++ b/src/write/write-files.js
@@ -0,0 +1,161 @@
+import * as path from 'path';
+
+import {generateRedirectHTML} from './page-template.js';
+
+import {
+  logInfo,
+  logWarn,
+  progressPromiseAll,
+} from '../util/cli.js';
+
+// Code that's common 8etween the 8uild code (i.e. upd8.js) and gener8ted
+// site code should 8e put here. Which, uh, ~~only really means this one
+// file~~ is now a variety of useful utilities!
+//
+// Rather than hard code it, anything in this directory can 8e shared across
+// 8oth ends of the code8ase.
+// (This gets symlinked into the --data-path directory.)
+const UTILITY_DIRECTORY = 'util';
+
+// Code that's used only in the static site! CSS, cilent JS, etc.
+// (This gets symlinked into the --data-path directory.)
+const STATIC_DIRECTORY = 'static';
+
+import {
+  copyFile,
+  mkdir,
+  stat,
+  symlink,
+  writeFile,
+  unlink,
+} from 'fs/promises';
+
+export async function writePage({
+  html,
+  oEmbedJSON = '',
+  paths,
+}) {
+  await mkdir(paths.output.directory, {recursive: true});
+
+  await Promise.all([
+    writeFile(paths.output.documentHTML, html),
+
+    oEmbedJSON &&
+      writeFile(paths.output.oEmbedJSON, oEmbedJSON),
+  ].filter(Boolean));
+}
+
+export function writeSymlinks({
+  srcRootDirname,
+  mediaPath,
+  outputPath,
+  urls,
+}) {
+  return progressPromiseAll('Writing site symlinks.', [
+    link(path.join(srcRootDirname, UTILITY_DIRECTORY), 'shared.utilityRoot'),
+    link(path.join(srcRootDirname, STATIC_DIRECTORY), 'shared.staticRoot'),
+    link(mediaPath, 'media.root'),
+  ]);
+
+  async function link(directory, urlKey) {
+    const pathname = urls.from('shared.root').toDevice(urlKey);
+    const file = path.join(outputPath, pathname);
+
+    try {
+      await unlink(file);
+    } catch (error) {
+      if (error.code !== 'ENOENT') {
+        throw error;
+      }
+    }
+
+    try {
+      await symlink(path.resolve(directory), file);
+    } catch (error) {
+      if (error.code === 'EPERM') {
+        await symlink(path.resolve(directory), file, 'junction');
+      }
+    }
+  }
+}
+
+export async function writeFavicon({
+  mediaPath,
+  outputPath,
+}) {
+  const faviconFile = 'favicon.ico';
+
+  try {
+    await stat(path.join(mediaPath, faviconFile));
+  } catch (error) {
+    return;
+  }
+
+  try {
+    await copyFile(
+      path.join(mediaPath, faviconFile),
+      path.join(outputPath, faviconFile));
+  } catch (error) {
+    logWarn`Failed to copy favicon! ${error.message}`;
+    return;
+  }
+
+  logInfo`Copied favicon to site root.`;
+}
+
+export async function writeSharedFilesAndPages({
+  language,
+  mediaPath,
+  outputPath,
+  urls,
+  wikiData,
+  wikiDataJSON,
+}) {
+  const {groupData, wikiInfo} = wikiData;
+
+  await writeFavicon({
+    mediaPath,
+    outputPath,
+  });
+
+  return progressPromiseAll(`Writing files & pages shared across languages.`, [
+    groupData?.some((group) => group.directory === 'fandom') &&
+      redirect(
+        'Fandom - Gallery',
+        'albums/fandom',
+        'localized.groupGallery',
+        'fandom'
+      ),
+
+    groupData?.some((group) => group.directory === 'official') &&
+      redirect(
+        'Official - Gallery',
+        'albums/official',
+        'localized.groupGallery',
+        'official'
+      ),
+
+    wikiInfo.enableListings &&
+      redirect(
+        'Album Commentary',
+        'list/all-commentary',
+        'localized.commentaryIndex',
+        ''
+      ),
+
+    wikiDataJSON &&
+      writeFile(
+        path.join(outputPath, 'data.json'),
+        wikiDataJSON),
+  ].filter(Boolean));
+
+  async function redirect(title, from, urlKey, directory) {
+    const target = path.relative(
+      from,
+      urls.from('shared.root').to(urlKey, directory)
+    );
+    const content = generateRedirectHTML(title, target, {language});
+    await mkdir(path.join(outputPath, from), {recursive: true});
+    await writeFile(path.join(outputPath, from, 'index.html'), content);
+  }
+}