Bug fixes and buttons for previous and next page

* Use buttons for next and previous page in search results
* Add custom routine for stringifying and parsing the selector to JSON
so RegExp objects are preserved

client/components/main/globalSearch.jade

@@ -37,12 +37,16 @@ template(name="globalSearch")
               a.fa.fa-link(title="{{_ 'link-to-search' }}" href="{{ getSearchHref }}")
             each card in results.get
               +resultCard(card)
-            if hasPreviousPage.get
-              button.js-previous-page
-                | {{_ 'previous-page' }}
-            if hasNextPage.get
-              button.js-next-page
-                | {{_ 'next-page' }}
+            table.global-search-footer
+              tr
+                td.global-search-previous-page
+                  if hasPreviousPage.get
+                    button.js-previous-page
+                      | {{_ 'previous-page' }}
+                td.global-search-next-page(align="right")
+                  if hasNextPage.get
+                    button.js-next-page
+                      | {{_ 'next-page' }}
       else
         .global-search-instructions
           h2 {{_ 'boards' }}

client/components/main/globalSearch.js

@@ -116,7 +116,7 @@ BlazeComponent.extendComponent({
     if (this.queryParams) {
       const sessionData = this.getSessionData();
       // eslint-disable-next-line no-console
-      console.log('selector:', JSON.parse(sessionData.selector));
+      console.log('selector:', sessionData.getSelector());
       // console.log('session data:', sessionData);
       const cards = Cards.find({ _id: { $in: sessionData.cards } });
       this.queryErrors = sessionData.errors;
@@ -414,7 +414,7 @@ BlazeComponent.extendComponent({
 
     const params = {
       limit: this.resultsPerPage,
-      selector: JSON.parse(sessionData.selector),
+      selector: sessionData.getSelector(),
       skip: sessionData.lastHit,
     };
 
@@ -441,7 +441,7 @@ BlazeComponent.extendComponent({
 
     const params = {
       limit: this.resultsPerPage,
-      selector: JSON.parse(sessionData.selector),
+      selector: sessionData.getSelector(),
       skip:
         sessionData.lastHit - sessionData.resultsCount - this.resultsPerPage,
     };

client/components/main/globalSearch.styl

@@ -104,3 +104,15 @@ code
 
 .list-title
   background-color: darkgray
+
+.global-search-footer
+  border: none
+  width: 100%
+
+.global-search-next-page
+  border: none
+  text-align: right;
+
+.global-search-previous-page
+  border: none
+  text-align: left;