provide docuri object in strformat placeholders

Closes #18

README.md

@@ -97,9 +97,15 @@ Content-Type of the resulting attachment. Default is `image/jpeg`.
 ### `id`
 The document id where the version is stored. Defaults to `{id}/{version}`.
 
-Can have the following placeholders:
+Can have the following [strformat placeholders](https://github.com/fhellwig/strformat):
 * `id` - the original doc id
 * `parts` - array of the id splitted at `/`
+* `docuri` - [docuri](https://github.com/jo/docuri) parsed id object:
+ * `docuri.type` - index part of docuri
+ * `docuri.id` - id part of docuri
+ * `docuri.subtype` - subtype part of docuri
+ * `docuri.version` - version part of docuri
+ * `docuri.index` - index part of docuri
 * `version` - name of the version
 
 ### `name`
@@ -108,6 +114,12 @@ The attachment name of the version. Default is `{basename}-{version}{extname}`.
 Can have placeholders:
 * `id` - the original doc id
 * `parts` - array of the id splitted at `/`
+* `docuri` - [docuri](https://github.com/jo/docuri) parsed id object:
+ * `docuri.type` - index part of docuri
+ * `docuri.id` - id part of docuri
+ * `docuri.subtype` - subtype part of docuri
+ * `docuri.version` - version part of docuri
+ * `docuri.index` - index part of docuri
 * `version` - name of the version
 * `name` - original attachment name, eg `this/is/my-image.jpg`
 * `extname` - file extenstion of the original attachment name, eg `.jpg`

lib/couchmagick-stream.js

@@ -9,6 +9,7 @@ var _ = require('highland');
 var async = require('async');
 var nano = require('nano');
 var strformat = require('strformat');
+var docuri = require('docuri');
 
 
 // TODO: emit all documents, also filtered one, to enable checkpointing
@@ -256,11 +257,13 @@ module.exports = function couchmagick(url, options) {
         // construct target doc
         var id = strformat(version.id, {
           id: data.doc._id,
+          docuri: docuri.parse(data.doc._id),
           parts: data.doc._id.split('/'),
           version: key
         });
         var name = strformat(version.name, {
           id: data.doc._id,
+          docuri: docuri.parse(data.doc._id),
           parts: data.doc._id.split('/'),
           version: key,
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "couchmagick",
-  "version": "2.0.0",
+  "version": "2.1.0",
   "description": "Run ImageMagicks `convert` on CouchDB documents.",
   "main": "index.js",
   "preferGlobal": true,