From 2e7d1936b41bc2594ba895e56f642164a4201621 Mon Sep 17 00:00:00 2001
From: Will Thompson <will@willthompson.co.uk>
Date: Tue, 28 Jun 2016 16:40:30 +0000
Subject: [PATCH] documentsPanel: bulk-edit entities

Fixes #2934

---
 static/js/documentsPanel.js | 73 ++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 62 insertions(+), 11 deletions(-)

diff --git a/static/js/documentsPanel.js b/static/js/documentsPanel.js
index 3380267..3e1a23a 100644
--- a/static/js/documentsPanel.js
+++ b/static/js/documentsPanel.js
@@ -627,11 +627,45 @@ pandora.ui.documentsPanel = function(options) {
                 );
     }
 
+    function pluck(xs, key) {
+        return xs.map(function(i) { return i[key]; });
+    }
+
+    function mergeDocuments(items) {
+        if (items.length === 1) {
+            return items[0];
+        } else {
+            var ids = pluck(items, 'id');
+
+            return {
+                name: pluck(items, 'name').join(', '),
+                ids: ids,
+                id: ids.join(', '),
+                extension: Ox.unique(pluck(items, 'extension')).join(', '),
+                dimensions: Ox.sum(items.map(function(item) {
+                    return Ox.isArray(item.dimensions) ? 1 : item.dimensions;
+                })),
+                size: Ox.sum(pluck(items, 'size')),
+                matches: Ox.sum(pluck(items, 'matches')),
+                user: Ox.unique(pluck(items, 'user')).join(', '),
+                description: pluck(items, 'description').join('\n\n'),
+                entities: pluck(items, 'entities').reduce(function(left, right) {
+                    var ids = {};
+                    Ox.forEach(right, function(r) { ids[r.id] = true; });
+                    return left.filter(function(l) {
+                        return Ox.hasOwn(ids, l.id);
+                    });
+                })
+            };
+        }
+    }
+
     function renderForm() {
-        var item = $list.value($list.options('selected')[0]),
-            editable = item.user == pandora.user.username
+        var selected = $list.options('selected').map(function(i) { return $list.value(i); }),
+            item = mergeDocuments(selected),
+            editable = selected.length === 1 && (item.user == pandora.user.username
                 || pandora.site.capabilities.canEditDocuments[pandora.user.level]
-                || options.editable,
+                || options.editable),
             labelWidth = 80,
             width = ui.documentSize - 16 - Ox.UI.SCROLLBAR_SIZE;
         var items = [
@@ -705,6 +739,19 @@ pandora.ui.documentsPanel = function(options) {
         ];
 
         if (pandora.site.entities && pandora.site.entities.length) {
+            var addRemoveArgs = function(entity) {
+                if (item.ids) {
+                    return {
+                        ids: item.ids,
+                        entity: entity
+                    };
+                } else {
+                    return {
+                        id: item.id,
+                        entity: entity
+                    };
+                }
+            };
             var change = function(data) {
                 var remove = item.entities.filter(function(entity) {
                     return data.value.filter(function(value) {
@@ -723,10 +770,7 @@ pandora.ui.documentsPanel = function(options) {
                 });
                 remove.length && remove.forEach(function(entity) {
                     var id = entity.id;
-                    pandora.api.removeDocument({
-                        id: item.id,
-                        entity: id
-                    }, function(result) {
+                    pandora.api.removeDocument(addRemoveArgs(id), function(result) {
                         if (result.status.code === 200) {
                             item.entities = item.entities.filter(function(e) {
                                 return e.id !== id;
@@ -734,6 +778,9 @@ pandora.ui.documentsPanel = function(options) {
                         } else {
                             // FIXME: indicate error
                         }
+
+                        Ox.Request.clearCache('findDocuments');
+                        $list.reloadList();
                     });
                 });
                 add.length && add.forEach(function(entity) {
@@ -750,10 +797,7 @@ pandora.ui.documentsPanel = function(options) {
                     }, function(result) {
                         if (result.data.items && result.data.items.length) {
                             var id = result.data.items[0].id;
-                            pandora.api.addDocument({
-                                id: item.id,
-                                entity: id
-                            }, function(result) {
+                            pandora.api.addDocument(addRemoveArgs(id), function(result) {
                                 if (result.status.code === 200) {
                                     item.entities.push({
                                         id: id,
@@ -763,6 +807,9 @@ pandora.ui.documentsPanel = function(options) {
                                 } else {
                                     // FIXME: indicate error
                                 }
+
+                                Ox.Request.clearCache('findDocuments');
+                                $list.reloadList();
                             });
                         }
                     });
@@ -847,6 +894,10 @@ pandora.ui.documentsPanel = function(options) {
             .css({margin: '12px 8px 8px 8px'})
             .bindEvent({
                 change: function(event) {
+                    if (event.id === undefined) {
+                        return;
+                    }
+
                     var data = Ox.extend({id: item.id}, event.id, event.data.value);
                     if (isItemView) {
                         data.item = ui.item;
-- 
1.9.1