From a1aff8e229ba6c6c25e51c29f7a05af92252f5d9 Mon Sep 17 00:00:00 2001
From: Kai Labusch <labusch@gmail.com>
Date: Thu, 22 Aug 2019 16:15:21 +0200
Subject: [PATCH] add url parameters

---
 .../sbb_ner/webapp/static/js/ner-ds-sbb.js    | 98 ++++++++++++++-----
 qurator/sbb_ner/webapp/static/ner-ds-sbb.html |  2 +-
 2 files changed, 73 insertions(+), 27 deletions(-)

diff --git a/qurator/sbb_ner/webapp/static/js/ner-ds-sbb.js b/qurator/sbb_ner/webapp/static/js/ner-ds-sbb.js
index 6287685..6115679 100644
--- a/qurator/sbb_ner/webapp/static/js/ner-ds-sbb.js
+++ b/qurator/sbb_ner/webapp/static/js/ner-ds-sbb.js
@@ -5,30 +5,7 @@ $(document).ready(function(){
         function(e){
             e.preventDefault();
 
-            var task = $('#task').val();
-            var model_id = $('#model').val();
-
-            var spinner_html =
-                `<div class="d-flex justify-content-center">
-                    <div class="spinner-border align-center" role="status">
-                        <span class="sr-only">Loading...</span>
-                    </div>
-                 </div>`;
-
-            var ppn = $('#ppn').val()
-
-            $("#resultregion").html(spinner_html);
-
-            $.get( "/digisam-fulltext/" + ppn)
-                .done(function( data ) {
-
-                    do_task(task, model_id, data.text)
-                })
-                .fail(
-                    function() {
-                        console.log('Failed.');
-                        $("#resultregion").html('Failed.');
-                    });
+            update();
         }
     );
 
@@ -47,6 +24,41 @@ $(document).ready(function(){
                         tmp += '<option value="' + item.id + '" ' + selected + ' >' + item.name + '</option>'
                     });
                     $('#model').html(tmp);
+
+                    var url_params = new URLSearchParams(window.location.search);
+
+                    var do_update=false;
+
+                    if (url_params.has('ppn')) {
+
+                        var ppn = url_params.get('ppn')
+
+                        $('#ppn').val(ppn);
+
+                        do_update = true;
+                    }
+
+                    if (url_params.has('model_id')) {
+
+                        var model_id = url_params.get('model_id')
+
+                        $('#model').val(model_id);
+
+                        do_update = true;
+                    }
+
+                    if (url_params.has('task')) {
+
+                        var task = url_params.get('task')
+
+                        $('#task').val(task);
+
+                        do_update = true;
+                    }
+
+                    task_select()
+
+                    if (do_update) update();
                 }
             );
 
@@ -62,6 +74,40 @@ $(document).ready(function(){
                     $('#ppnexamples').html(tmp);
                 }
             );
-
-    task_select()
 });
+
+
+function update() {
+
+    var spinner_html =
+        `<div class="d-flex justify-content-center">
+            <div class="spinner-border align-center" role="status">
+                <span class="sr-only">Loading...</span>
+            </div>
+         </div>`;
+
+    var task = $('#task').val();
+    var model_id = $('#model').val();
+    var ppn = $('#ppn').val();
+
+    var url_params = new URLSearchParams(window.location.search);
+
+    url_params.set('ppn', ppn)
+    url_params.set('model_id', model_id)
+    url_params.set('task', task)
+
+    window.history.replaceState({}, '', `${location.pathname}?${url_params}`);
+
+    $("#resultregion").html(spinner_html);
+
+    $.get( "/digisam-fulltext/" + ppn)
+        .done(function( data ) {
+
+            do_task(task, model_id, data.text)
+        })
+        .fail(
+            function() {
+                console.log('Failed.');
+                $("#resultregion").html('Failed.');
+            });
+}
\ No newline at end of file
diff --git a/qurator/sbb_ner/webapp/static/ner-ds-sbb.html b/qurator/sbb_ner/webapp/static/ner-ds-sbb.html
index f1a533d..5e3c0d9 100644
--- a/qurator/sbb_ner/webapp/static/ner-ds-sbb.html
+++ b/qurator/sbb_ner/webapp/static/ner-ds-sbb.html
@@ -49,7 +49,7 @@
 
                                 <div class="form-group row ml-2">
                                     <label for="ppn" class="col-sm-2 col-form-label">PPN:</label>
-                                    <input id="ppn" list="ppnexamples" class="col-sm-8" type="text"/>
+                                    <input id="ppn" list="ppnexamples" class="col-sm-8" type="text" required/>
                                     <datalist id="ppnexamples">
                                     </datalist>
                                     <button class="btn btn-primary" type="submit">Go</button>