Saving EXIF data for jpegs.

config/default.js

@@ -1,17 +1,17 @@
 module.exports = {
     library: {
         base: 'output/$user/',
-        image: '$postDate - $itemId - $postTitle$ext',
+        image: '$base$postDate - $itemId - $postTitle$ext',
-        video: '$postDate - $itemId - $postTitle$ext',
+        video: '$base$postDate - $itemId - $postTitle$ext',
-        text: '$postDate - $postId - $postTitle',
+        text: '$base$postDate - $postId - $postTitle',
         album: {
             extractSingleItem: true,
-            image: '$postDate - $albumId - $postTitle/$itemIndex - $itemId$ext',
+            image: '$base$postDate - $albumId - $postTitle/$itemIndex - $itemId$ext',
-            video: '$postDate - $albumId - $postTitle/$itemIndex - $itemId$ext'
+            video: '$base$postDate - $albumId - $postTitle/$itemIndex - $itemId$ext'
         },
         profile: {
-            image: '$userCreated - profile$ext',
+            image: '$base$userCreated - profile$ext',
-            description: '$userCreated - profile ($userVerified$userVerifiedEmail$userGold$profileOver18)'
+            description: '$base$userCreated - profile ($userVerified$userVerifiedEmail$userGold$profileOver18)'
         },
         booleans: {
             extracted: 'extracted-',
@@ -20,6 +20,9 @@ module.exports = {
             gold: '★',
             over18: '♥'
         },
+        meta: {
+            comment: '$itemDescription'
+        },
         dateFormat: 'YYYYMMDD',
         titleLength: 200,
         indexOffset: 1,

package-lock.json

@@ -87,6 +87,11 @@
       "resolved": "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz",
       "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw="
     },
+    "catchment": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/catchment/-/catchment-1.0.0.tgz",
+      "integrity": "sha1-MGH3G+AQJxC+hDKNL5Q2OhZfjEs="
+    },
     "cheerio": {
       "version": "1.0.0-rc.2",
       "resolved": "https://registry.npmjs.org/cheerio/-/cheerio-1.0.0-rc.2.tgz",
@@ -209,6 +214,16 @@
       "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
       "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk="
     },
+    "dist-exiftool": {
+      "version": "10.53.0",
+      "resolved": "https://registry.npmjs.org/dist-exiftool/-/dist-exiftool-10.53.0.tgz",
+      "integrity": "sha1-i9F7rB5D3qzYHZrazQ8eJMaQEA8=",
+      "requires": {
+        "exiftool.exe": "10.53.0",
+        "exiftool.pl": "10.53.0",
+        "platform-dependent-modules": "0.0.14"
+      }
+    },
     "dom-serializer": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/dom-serializer/-/dom-serializer-0.1.0.tgz",
@@ -275,6 +290,18 @@
         "strip-eof": "1.0.0"
       }
     },
+    "exiftool.exe": {
+      "version": "10.53.0",
+      "resolved": "https://registry.npmjs.org/exiftool.exe/-/exiftool.exe-10.53.0.tgz",
+      "integrity": "sha1-IrHOYPuNtYlGnRqlsKH+CaNbxFQ=",
+      "optional": true
+    },
+    "exiftool.pl": {
+      "version": "10.53.0",
+      "resolved": "https://registry.npmjs.org/exiftool.pl/-/exiftool.pl-10.53.0.tgz",
+      "integrity": "sha1-Y8FkazrQrtHOExPXtdB9pNexPYQ=",
+      "optional": true
+    },
     "extend": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.1.tgz",
@@ -525,6 +552,11 @@
         "yallist": "2.1.2"
       }
     },
+    "makepromise": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/makepromise/-/makepromise-1.0.0.tgz",
+      "integrity": "sha1-vGu2o+Bv1wbfUcKSO2k2+r1wqn8="
+    },
     "mem": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/mem/-/mem-1.1.0.tgz",
@@ -551,6 +583,16 @@
       "resolved": "https://registry.npmjs.org/mimic-fn/-/mimic-fn-1.2.0.tgz",
       "integrity": "sha512-jf84uxzwiuiIVKiOLpfYk7N46TSy8ubTonmneY9vrpHNAnp0QBt2BxWV9dO3/j+BoVAb+a5G6YDPW3M5HOdMWQ=="
     },
+    "node-exiftool": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/node-exiftool/-/node-exiftool-2.3.0.tgz",
+      "integrity": "sha1-1RQtNN5vFoO0ZVGYtkjn4+5ugKw=",
+      "requires": {
+        "is-stream": "1.1.0",
+        "restream": "1.2.0",
+        "wrote": "0.6.1"
+      }
+    },
     "node-fetch": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.1.2.tgz",
@@ -651,6 +693,11 @@
       "resolved": "https://registry.npmjs.org/performance-now/-/performance-now-2.1.0.tgz",
       "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns="
     },
+    "platform-dependent-modules": {
+      "version": "0.0.14",
+      "resolved": "https://registry.npmjs.org/platform-dependent-modules/-/platform-dependent-modules-0.0.14.tgz",
+      "integrity": "sha1-PFPQQV2BziLc/eFWZdDP1UHUFhc="
+    },
     "process-nextick-args": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.0.tgz",
@@ -742,6 +789,11 @@
       "resolved": "https://registry.npmjs.org/require-main-filename/-/require-main-filename-1.0.1.tgz",
       "integrity": "sha1-l/cXtp1IeE9fUmpsWqj/3aBVpNE="
     },
+    "restream": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/restream/-/restream-1.2.0.tgz",
+      "integrity": "sha1-/ROwMaVOgMxl0YeMQxSfGzpA77s="
+    },
     "safe-buffer": {
       "version": "5.1.1",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.1.tgz",
@@ -952,6 +1004,15 @@
         }
       }
     },
+    "wrote": {
+      "version": "0.6.1",
+      "resolved": "https://registry.npmjs.org/wrote/-/wrote-0.6.1.tgz",
+      "integrity": "sha1-7/Ee/dbxhCSnC66i30Mirzdbj74=",
+      "requires": {
+        "catchment": "1.0.0",
+        "makepromise": "1.0.0"
+      }
+    },
     "ws": {
       "version": "1.1.5",
       "resolved": "https://registry.npmjs.org/ws/-/ws-1.1.5.tgz",

package.json

@@ -25,7 +25,9 @@
     "cheerio": "^1.0.0-rc.2",
     "config": "^1.30.0",
     "date-fns": "^1.29.0",
+    "dist-exiftool": "^10.53.0",
     "fs-extra": "^5.0.0",
+    "node-exiftool": "^2.3.0",
     "node-fetch": "^2.1.2",
     "snoowrap": "^1.15.2",
     "url-pattern": "^1.0.3",

src/fetch/content.js

@@ -8,8 +8,17 @@ const fetchItem = require('./item.js');
 const interpolate = require('../interpolate.js');
 const save = require('../save/save.js');
 const textToStream = require('../save/textToStream.js');
+const saveMeta = require('../save/meta.js');
+
+const exiftool = require('node-exiftool');
+const exiftoolBin = require('dist-exiftool');
+
+const ep = new exiftool.ExiftoolProcess(exiftoolBin);
 
 module.exports = function(posts, user) {
+    return Promise.resolve().then(() => {
+        return ep.open();
+    }).then(() => {
         return Promise.all(posts.map(post => {
             return Promise.resolve().then(() => {
                 return Promise.all(post.content.items.map((item, index) => {
@@ -31,9 +40,27 @@ module.exports = function(posts, user) {
                     return Promise.resolve().then(() => {
                         return fs.ensureDir(path.dirname(filepath));
                     }).then(() => {
-                    return save(filepath, item.stream)
+                        return save(filepath, item.stream);
+                    }).then(() => {
+                        const interpolatedMeta = Object.entries(config.library.meta).reduce((acc, [key, value]) => {
+                            acc[key] = interpolate(value, user, post, item);
+
+                            return acc;
+                        }, {});
+
+                        if(Object.keys(interpolatedMeta).length > 0) {
+                            return saveMeta(filepath, {
+                                comment: item.description
+                            }, ep);
+                        }
                     });
                 }));
             });
         }));
+    }).then(() => {
+        console.log('closing...');
+        return ep.close();
+    }).catch(error => {
+        return ep.close();
+    });
 };

src/interpolate.js

@@ -14,11 +14,10 @@ const extensions = {
 
 function interpolate(pattern, user, post, item) {
     const dateFormat = config.library.dateFormat || 'YYYYMMDD';
-    const vars = {};
 
-    if(config.library.base) {
+    const vars = {
-        pattern = path.join(config.library.base, pattern);
+        $base: config.library.base
-    }
+    };
 
     if(user) {
         Object.assign(vars, {
@@ -76,7 +75,9 @@ function interpolate(pattern, user, post, item) {
 
     return Object.entries(vars).reduce((acc, [key, value], index) =>  {
         // substitute slashes for filesystem compatability
+        if(key !== '$base') {
             value = (value || '').toString().replace(/\//g, config.library.slashSubstitute);
+        }
 
         return acc.replace(key, value);
     }, pattern);