Fetching and curating posts per user without merge.

config/default.js

@@ -14,6 +14,11 @@ module.exports = {
             description: '$base$userCreated - profile ($userVerified$userVerifiedEmail$userGold$profileOver18)',
             avoidAvatar: true
         },
+        index: {
+            file: '$base/index',
+            entry: '$postId (r/$subreddit) - $hostId ($url) - $postTitle',
+            unique: true
+        },
         booleans: {
             extracted: 'extracted-',
             preview: 'preview-',

src/app.js

@@ -4,6 +4,7 @@ const config = require('config');
 const util = require('util');
 const fs = require('fs-extra');
 const snoowrap = require('snoowrap');
+const omit = require('object.omit');
 
 require('promise.prototype.finally').shim();
 require('array.prototype.flatten').shim();
@@ -26,16 +27,25 @@ if(!(args.users && args.users.length) && !(args.posts && args.posts.length)) {
 }
 
 Promise.resolve().then(async () => {
-    let userPosts = args.users ? await getUserPosts(args.users) : {};
+    const initUsers = args.users ? args.users.reduce((acc, username) => ({...acc, [username]: {name: username, posts: []}}), {}) : {};
+    let userPosts = await getUserPosts(initUsers);
 
     if(args.posts) {
         userPosts = await getPosts(args.posts, userPosts);
     }
 
-    const curatedPosts = curatePosts(userPosts, args);
-    const posts = await attachContentInfo(curatedPosts);
+    const curatedUserPosts = curatePosts(userPosts, args);
+    const infoUserPosts = await attachContentInfo(curatedUserPosts);
 
-    return fetchContent(posts);
+    console.log(util.inspect(infoUserPosts, {depth: 10}));
+
+    /*
+    for(const user of args.users) {
+        console.log(user);
+    }
+    */
+
+    // return fetchContent(posts, userPosts);
 }).catch(error => {
     return console.error(error);
 });

src/curate/hashPost.js

@@ -0,0 +1,9 @@
+'use strict';
+
+const crypto = require('crypto');
+
+const hashPost = post => {
+    return crypto.createHash('md5').update(post.id + post.subreddit_id + post.created_utc + post.title).digest('hex');
+};
+
+module.exports = hashPost;

src/curate/posts.js

@@ -3,11 +3,12 @@
 const config = require('config');
 const dissectLink = require('../dissectLink.js');
 const omit = require('object.omit');
+const hashPost = require('./hashPost.js');
 
 const curatePosts = (userPosts, args) => {
     const processed = new Set();
 
-    return Object.values(userPosts).reduce((accPosts, user) => accPosts.concat(user.posts.reduce((accUserPosts, post, index) => {
+    return Object.values(userPosts).reduce((accPosts, user) => ({...accPosts, [user.name]: {...user, posts: user.posts.reduce((accUserPosts, post, index) => {
         // cut-off at limit, but don't count posts requested directly by ID
         if(accUserPosts.length >= args.limit && !post.direct) {
             return accUserPosts;
@@ -53,9 +54,10 @@ const curatePosts = (userPosts, args) => {
             datetime: new Date(post.created_utc * 1000),
             subreddit: post.subreddit.display_name,
             preview: post.preview ? post.preview.images.map(image => image.source) : null,
-            host
+            host,
+            hash: hashPost(post)
         });
-    }, [])), []);
+    }, [])}}), {});
 };
 
 module.exports = curatePosts;

src/fetch/content.js

@@ -16,9 +16,11 @@ const exiftoolBin = require('dist-exiftool');
 
 const ep = new exiftool.ExiftoolProcess(exiftoolBin);
 
-module.exports = function(posts) {
+module.exports = function(posts, users) {
     return Promise.resolve().then(() => {
         return ep.open();
+    }).then(() => {
+        // console.log(users);
     }).then(() => {
         return Promise.all(posts.map(post => {
             return Promise.all(post.content.items.map((item, index) => {
@@ -66,7 +68,12 @@ module.exports = function(posts) {
                             return saveMeta(filepath, meta, ep);
                         }
                     });
-                }));
+                })).then(result => {
+                    const filename = interpolate(config.library.index.file, post.user, post);
+                    const entry = interpolate(config.library.index.entry, post.user, post, null, false) + '\n';
+
+                    return fs.appendFile(filename, config.library.index.unique ? `${post.hash} ${entry}` : entry);
+                });
             });
         }));
     }).finally(() => {

src/fetch/info.js

@@ -2,28 +2,31 @@
 
 const util = require('util');
 const config = require('config');
+const Promise = require('bluebird');
 const methods = require('../methods/methods.js');
 
-function attachContentInfo(posts) {
-    return Promise.all(posts.reduce((acc, post) => {
-        if(post.host && methods[post.host.method]) {
-            acc = acc.concat(methods[post.host.method](post).then(content => Object.assign(post, {content})).catch(error => {
-                console.log('\x1b[31m%s\x1b[0m', `${error} (${post.permalink})`);
-
-                if(config.fetch.archives.preview && post.preview) {
-                    console.log(`Found preview images for unavailable source '${post.url}' (${post.permalink})`);
-
-                    return methods.redditPreview(post).then(content => Object.assign(post, {content}));
-                }
-
-                return null;
-            }));
-        } else {
+const attachContentInfo = users => {
+    return Promise.reduce(Object.values(users), async (accUsers, user) => ({...accUsers, [user.name]: {...user, posts: await Promise.reduce(user.posts, async (accPosts, post) => {
+        if(!post.host || !methods[post.host.method]) {
             console.log('\x1b[33m%s\x1b[0m', `Ignoring unsupported content '${post.url}' (${post.permalink})`);
+
+            return accPosts;
         }
 
-        return acc;
-    }, [])).then(posts => posts.filter(post => post));
+        try {
+            return [...accPosts, await methods[post.host.method](post)];
+        } catch(error) {
+            console.log('\x1b[31m%s\x1b[0m', `${error} (${post.permalink})`);
+
+            if(config.fetch.archives.preview && post.preview) {
+                console.log(`Found preview images for unavailable source '${post.url}' (${post.permalink})`);
+
+                return [...accPosts, {...post, content: await methods.redditPreview(post)}];
+            }
+
+            return accPosts;
+        }
+    }, [])}}), {});
 };
 
 module.exports = attachContentInfo;

src/interpolate.js

@@ -6,7 +6,7 @@ const url = require('url');
 const dateFns = require('date-fns');
 const mime = require('mime-types');
 
-function interpolate(pattern, user, post, item) {
+function interpolate(pattern, user, post, item, strip = true) {
     const dateFormat = config.library.dateFormat || 'YYYYMMDD';
 
     const vars = {
@@ -41,8 +41,10 @@ function interpolate(pattern, user, post, item) {
             $postUser: post.user,
             $postDate: dateFns.format(post.datetime, dateFormat),
             $postIndex: post.index + config.library.indexOffset,
+            $url: post.url,
             $subreddit: post.subreddit,
-            $host: post.host.label
+            $hostLabel: post.host.label,
+            $hostId: post.host.id
         });
 
         if(post.content.album) {
@@ -70,7 +72,7 @@ function interpolate(pattern, user, post, item) {
 
     return Object.entries(vars).reduce((acc, [key, value], index) =>  {
         // substitute slashes for filesystem compatability
-        if(key !== '$base') {
+        if(key !== '$base' && strip) {
             value = (value || '').toString().replace(/\//g, config.library.slashSubstitute);
         }
 

src/sources/getUserPosts.js

@@ -34,7 +34,7 @@ const getPosts = async (username, reddit, args) => {
     }
 };
 
-const getUserPostsWrap = (reddit, args) => usernames => Promise.props(usernames.reduce((userPosts, username) => {
+const getUserPostsWrap = (reddit, args) => users => Promise.props(Object.entries(users).reduce((userPosts, [username, user]) => {
     userPosts[username] = (async () => {
         const [user, posts] = await Promise.all([
             getUser(username, reddit),