From 65b5e6765ce40e8b4020701b6729f3d0890a0712 Mon Sep 17 00:00:00 2001
From: peer35 <p.j.m.vos@vu.nl>
Date: Wed, 24 Mar 2021 11:44:00 +0100
Subject: [PATCH] persist state for max 1 day #34

---
 package.json                     |  2 +-
 src/gpz.js                       | 16 ++++++++--------
 src/helpers/ViewerDataHelpers.js |  1 +
 src/kloosters.js                 | 15 +++++++++------
 4 files changed, 19 insertions(+), 15 deletions(-)

diff --git a/package.json b/package.json
index a91cde5..469cd41 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mapviewer",
-  "version": "2.2.5",
+  "version": "2.2.6",
   "private": true,
   "scripts": {
     "serve:kloosters": "vue-cli-service serve src/kloosters.js",
diff --git a/src/gpz.js b/src/gpz.js
index 20d2a0b..3a55938 100644
--- a/src/gpz.js
+++ b/src/gpz.js
@@ -12,6 +12,7 @@ import {get as getProjection} from 'ol/proj'
 import proj4 from 'proj4';
 
 import {getParam, hashCode} from './shared'
+import {saveState} from "./helpers/ViewerDataHelpers";
 
 proj4.defs("EPSG:28992", "+title=Amersfoort / RD New +proj=sterea +lat_0=52.15616055555555 +lon_0=5.38763888888889 +k=0.9999079 +x_0=155000 +y_0=463000 +ellps=bessel +units=m +towgs84=565.417,50.3319,465.552,-0.398957,0.343988,-1.8774,4.0725 +no_defs");
 register(proj4);
@@ -26,16 +27,15 @@ function getState(config) {
   const key = hashCode(config.title);
   config.hash=key; // only calculate once
   if (!localStorage[key]) {
-    localStorage[key] = JSON.stringify({
-      'crs': config.crs,
-      'baselayer': config.baselayer,
-      'bbox': config.bbox,
-    });
+    saveState(config);
   } else {
+    const delta = 1000 * 3600 * 24; // 1 day
     const s = JSON.parse(localStorage[key]);
-    config.crs = s.crs;
-    config.baselayer = s.baselayer;
-    config.bbox = s.bbox;
+    if (Date.now() - s.updated < delta) {
+      config.crs = s.crs;
+      config.baselayer = s.baselayer;
+      config.bbox = s.bbox;
+    }
   }
   return config;
 }
diff --git a/src/helpers/ViewerDataHelpers.js b/src/helpers/ViewerDataHelpers.js
index f23177f..68e8e5a 100644
--- a/src/helpers/ViewerDataHelpers.js
+++ b/src/helpers/ViewerDataHelpers.js
@@ -13,6 +13,7 @@ export function saveState(config, olmap = null) {
     'crs': config.crs,
     'baselayer': config.baselayer,
     'bbox': bbox,
+    'updated': Date.now()
   }
   if (typeof config.klooster !== 'undefined') {
     def_config.year = config.klooster.year;
diff --git a/src/kloosters.js b/src/kloosters.js
index f1757ef..592f883 100644
--- a/src/kloosters.js
+++ b/src/kloosters.js
@@ -17,13 +17,16 @@ function getState(config) {
     if (!localStorage[key]) {
         saveState(config);
     } else {
+        const delta = 1000 * 3600 * 24; // 1 day
         const s = JSON.parse(localStorage[key]);
-        config.crs = s.crs;
-        config.baselayer = s.baselayer;
-        config.bbox = s.bbox;
-        config.klooster.year = s.year
-        config.klooster.language = s.language
-        config.klooster.filter = s.filter
+        if (Date.now() - s.updated < delta) {
+            config.crs = s.crs;
+            config.baselayer = s.baselayer;
+            config.bbox = s.bbox;
+            config.klooster.year = s.year
+            config.klooster.language = s.language
+            config.klooster.filter = s.filter
+        }
     }
     return config;
 }