Unpublish Plugin Hook (#419)

* Adding in an unpublish plugin hook

* Adding test

lib/services/uris.js

@@ -5,7 +5,8 @@ const _ = require('lodash'),
   db = require('./db'),
   references = require('./references'),
   notifications = require('./notifications'),
-  siteService = require('./sites');
+  siteService = require('./sites'),
+  plugins = require('../plugins');
 
 /**
  * @param {string} uri
@@ -50,9 +51,16 @@ function del(uri, locals) {
   return get(uri, locals).then(function (oldData) {
     return db.del(uri).then(function () {
       const prefix = references.getUriPrefix(uri),
-        site = siteService.getSiteFromPrefix(prefix);
+        site = siteService.getSiteFromPrefix(prefix),
+        pageUrl = buf.decode(uri.split('/').pop());
 
-      notifications.notify(site, 'unpublished', { url: buf.decode(uri.split('/').pop())});
+      // Call the unpublish hook for plugins
+      plugins.executeHook('unpublish', {
+        url: pageUrl,
+        uri: oldData
+      });
+
+      notifications.notify(site, 'unpublished', { url: pageUrl });
     }).return(oldData);
   });
 }

lib/services/uris.test.js

@@ -7,6 +7,7 @@ const _ = require('lodash'),
   sinon = require('sinon'),
   siteService = require('./sites'),
   notifications = require('./notifications'),
+  plugins = require('../plugins'),
   lib = require('./' + filename);
 
 describe(_.startCase(filename), function () {
@@ -17,6 +18,7 @@ describe(_.startCase(filename), function () {
     sandbox.stub(db, 'get');
     sandbox.stub(db, 'del');
     sandbox.stub(notifications, 'notify');
+    sandbox.stub(plugins, 'executeHook');
     sandbox.stub(siteService, 'getSiteFromPrefix');
   });
 
@@ -41,6 +43,20 @@ describe(_.startCase(filename), function () {
       });
     });
 
+    it('plugin unpublish hook', function () {
+      const uri = 'something/uris/bmljZXVybA==',
+        site = {a: 'b'},
+        oldData = {url: 'niceurl'};
+
+      db.del.returns(bluebird.resolve());
+      db.get.returns(bluebird.resolve(oldData));
+      siteService.getSiteFromPrefix.returns(site);
+
+      return fn(uri).then(function () {
+        sinon.assert.calledWith(plugins.executeHook, 'unpublish');
+      });
+    });
+
     it('deletes', function () {
       const uri = 'something/uris/some-uri',
         site = {a: 'b'},