From 09ec6f507ccfbc530c00a9bbc48890ff0c69e573 Mon Sep 17 00:00:00 2001
From: ajuvercr <arthur.vercruysse@ugent.be>
Date: Mon, 14 Sep 2020 22:10:54 +0200
Subject: [PATCH] sort search results

---
 content/search.html.erb | 32 +++++++++++++++++++++++++++++---
 1 file changed, 29 insertions(+), 3 deletions(-)

diff --git a/content/search.html.erb b/content/search.html.erb
index e0059cc..8257432 100644
--- a/content/search.html.erb
+++ b/content/search.html.erb
@@ -1,8 +1,8 @@
 <div class="search">
     <div class="search__main">
         <form id="search_form">
-            <label>Test field: <input type="text"></label>
-            <button type="submit">Submit form</button>
+            <label>Wat zoek je? <input type="text"></label>
+            <button type="submit">Zoek!</button>
         </form>
     </div>
     <div id="search_wrapper" class="search__result"></div>
@@ -52,6 +52,32 @@ function resetFromUrl() {
 }
 
 function ready() {
+    Array.prototype.stableSort = function(cmp) {
+        cmp = !!cmp ? cmp : (a, b) => {
+            if (a < b) return -1;
+            if (a > b) return 1;
+            return 0;
+        };
+        let stabilizedThis = this.map((el, index) => [el, index]);
+        let stableCmp = (a, b) => {
+        let order = cmp(a[0], b[0]);
+        if (order != 0) return order;
+            return a[1] - b[1];
+        }
+        stabilizedThis.sort(stableCmp);
+        for (let i=0; i<this.length; i++) {
+            this[i] = stabilizedThis[i][0];
+        }
+        return this;
+    }
+
+    Array.prototype.sortByKey = function(key) {
+        return this.sort(function(a, b) {
+            var x = key(a); var y = key(b);
+            return ((x < y) ? -1 : ((x > y) ? 1 : 0));
+        });
+    }
+
     function render_results(div, partials) {
         const create_wrapper= document.createElement('div');
         for(let partial of partials) {
@@ -92,7 +118,7 @@ function ready() {
 
     doSearch = (query) => {
         clearDiv(wrapper);
-        render_results(wrapper, index.search(query).map(i => partials[i.ref]));
+        render_results(wrapper, index.search(query).sortByKey(i => partials[i.ref].titel).stableSort((a, b) => b.score - a.score).map(i => partials[i.ref]));
 
         window.history.pushState("search state", "", window.location.pathname + "?q="+query);
     };