feat: Create the Letterboxd Following Diary endpoint. (#3858)

docs/en/new-media.md

@@ -79,6 +79,10 @@ Provides a better reading experience (full text articles) over the official one.
 
 <RouteEn author="loganrockmore" example="/letterboxd/user/diary/demiadejuyigbe" path="/letterboxd/user/diary/:username" :paramsDesc="['username']" />
 
+### Following diary
+
+<RouteEn author="loganrockmore" example="/letterboxd/user/followingdiary/demiadejuyigbe" path="/letterboxd/user/followingdiary/:username" :paramsDesc="['username']" />
+
 ## Nautilus
 
 ### Topics

lib/router.js

@@ -2177,6 +2177,7 @@ router.get('/mqube/top', require('./routes/mqube/top'));
 
 // Letterboxd
 router.get('/letterboxd/user/diary/:username', require('./routes/letterboxd/userdiary'));
+router.get('/letterboxd/user/followingdiary/:username', require('./routes/letterboxd/followingdiary'));
 
 // 网易大神
 router.get('/netease/ds/:id', require('./routes/netease/ds'));

lib/routes/letterboxd/followingdiary.js

@@ -0,0 +1,8 @@
+const utils = require('./utils');
+
+module.exports = async (ctx) => {
+    const url = `https://letterboxd.com/${ctx.params.username}/following/`;
+    const title = `Letterboxd - following diary - ${ctx.params.username}`;
+
+    ctx.state.data = await utils.getFollowingData(ctx, ctx.params.username, url, title);
+};

lib/routes/letterboxd/userdiary.js

@@ -4,5 +4,5 @@ module.exports = async (ctx) => {
     const url = `https://letterboxd.com/${ctx.params.username}/films/diary/by/added/`;
     const title = `Letterboxd - diary - ${ctx.params.username}`;
 
-    ctx.state.data = await utils.getData(ctx, url, title);
+    ctx.state.data = await utils.getData(ctx, ctx.params.username, url, title);
 };

lib/routes/letterboxd/utils.js

@@ -43,7 +43,7 @@ async function ProcessFeed(list, username, caches) {
             const rewatch = $('.td-rewatch.icon-status-off').length <= 0;
             const hasReview = $('.td-review.icon-status-off').length <= 0;
 
-            let descriptionText = `<b>${filmTitle}</b><br />Watched: ${displayDate}<br />Rating: ${rating}`;
+            let descriptionText = `<b>${filmTitle}</b><br />watched by ${username}<br />Date: ${displayDate}<br />Rating: ${rating}`;
 
             if (liked) {
                 descriptionText = descriptionText.concat('<br />Liked');
@@ -75,7 +75,7 @@ async function ProcessFeed(list, username, caches) {
     );
 }
 
-const getData = async (ctx, url, title) => {
+const getData = async (ctx, username, url, title) => {
     const response = await got({
         method: 'get',
         url: url,
@@ -87,7 +87,7 @@ const getData = async (ctx, url, title) => {
     const $ = cheerio.load(response.data);
     const list = $('.diary-entry-row').get();
 
-    const result = await ProcessFeed(list, ctx.params.username, ctx.cache);
+    const result = await ProcessFeed(list, username, ctx.cache);
 
     return {
         title: title,
@@ -97,6 +97,45 @@ const getData = async (ctx, url, title) => {
     };
 };
 
+const getFollowingData = async (ctx, username, url, title) => {
+    const response = await got({
+        method: 'get',
+        url: url,
+        headers: {
+            Referer: url,
+        },
+    });
+
+    const $ = cheerio.load(response.data);
+    const list = $('.person-table td.table-person').get();
+
+    const users = list.map(function(user) {
+        const $ = cheerio.load(user);
+        return $('a.name').attr('href');
+    });
+
+    const usersResult = await Promise.all(
+        users.map(async (user) => {
+            const userWithoutSlashes = user.replace(/^\//, '').replace(/\/$/, '');
+
+            const url = `https://letterboxd.com/${userWithoutSlashes}/films/diary/by/added/`;
+            const data = getData(ctx, userWithoutSlashes, url, title);
+            return data;
+        })
+    );
+
+    const usersItems = usersResult.map((result) => result.item);
+    const flattenedItems = [].concat.apply([], usersItems);
+
+    return {
+        title: title,
+        link: url,
+        description: $('meta[name="description"]').attr('content'),
+        item: flattenedItems,
+    };
+};
+
 module.exports = {
     getData,
+    getFollowingData,
 };