pedagogy: live uv update on guide

pedagogy/models.py

@@ -28,6 +28,9 @@ from django.utils import timezone
 from django.core import validators
 from django.conf import settings
 from django.utils.functional import cached_property
+from django.core.urlresolvers import reverse
+
+from rest_framework import serializers
 
 from core.models import User
 
@@ -58,6 +61,9 @@ class UV(models.Model):
 
         return int(sum(comments.values_list(field, flat=True)) / comments.count())
 
+    def get_absolute_url(self):
+        return reverse("pedagogy:uv_detail", kwargs={"uv_id": self.id})
+
     @cached_property
     def grade_global_average(self):
         return self.__grade_average_generic("grade_global")
@@ -302,3 +308,30 @@ class UVCommentReport(models.Model):
         User, related_name="reported_uv_comment", verbose_name=_("reporter")
     )
     reason = models.TextField(_("reason"))
+
+
+# Custom serializers
+
+
+class UVSerializer(serializers.ModelSerializer):
+    """
+    Custom seralizer for UVs
+    Allow adding more informations like absolute_url
+    """
+
+    class Meta:
+        model = UV
+        fields = "__all__"
+
+    absolute_url = serializers.SerializerMethodField()
+    update_url = serializers.SerializerMethodField()
+    delete_url = serializers.SerializerMethodField()
+
+    def get_absolute_url(self, obj):
+        return obj.get_absolute_url()
+
+    def get_update_url(self, obj):
+        return reverse("pedagogy:uv_update", kwargs={"uv_id": obj.id})
+
+    def get_delete_url(self, obj):
+        return reverse("pedagogy:uv_delete", kwargs={"uv_id": obj.id})

pedagogy/templates/pedagogy/guide.jinja

@@ -31,6 +31,7 @@
 		<input type="checkbox" name="semester" value="SPRING">P
 		<input type="checkbox" name="semester" value="AUTUMN_AND_SPRING">
 	</p>
+	<input type="text" name="json" hidden>
 </form>
 {% if can_create_uv(user) %}
 <p>
@@ -38,7 +39,7 @@
 </p>
 <br>
 {% endif %}
-<table>
+<table id="dynamic_view">
 	<thead>
 		<tr>
 			<td>{% trans %}UV{% endtrans %}</td>
@@ -51,7 +52,7 @@
 			{% endif %}
 		</tr>
 	</thead>
-	<tbody>
+	<tbody id="dynamic_view_content">
 		{% for uv in object_list %}
 		<tr>
 			<td><a href="{{ url('pedagogy:uv_detail', uv_id=uv.id) }}">{{ uv.code }}</a></td>
@@ -68,21 +69,38 @@
 </table>
 
 <script>
-
-	// Auto fill from get arguments
-	var urlParams = new URLSearchParams(window.location.search);
 	function autofillCheckboxRadio(name){
 			if (urlParams.has(name)){ $("input[name='" + name + "']").each(function(){
 				if ($(this).attr("value") == urlParams.get(name))
 					$(this).prop("checked", true);
 			});
 		}
-}
-if (urlParams.has("search"))
+	}
+
+	function uvJSONToHTML(uv){
+		var html = `
+			<tr>
+				<td><a href="${uv.absolute_url}">${uv.code}</a></td>
+				<td>${uv.title}</td>
+				<td>${uv.department}</td>
+				<td>${uv.credit_type}</td>
+		`;
+		{% if can_create_uv(user) %}
+		html += `
+			<td><a href="${uv.update_url}">{% trans %}Edit{% endtrans %}</a></td>
+			<td><a href="${uv.delete_url}">{% trans %}Delete{% endtrans %}</a></td>
+		`;
+		{% endif %}
+		return html + "</td>";
+	}
+
+	// Auto fill from get arguments
+	var urlParams = new URLSearchParams(window.location.search);
+	if (urlParams.has("search"))
 		$("input[name='search']").first().prop("value", urlParams.get("search"));
-autofillCheckboxRadio("department");
-autofillCheckboxRadio("credit_type");
-autofillCheckboxRadio("semester");
+	autofillCheckboxRadio("department");
+	autofillCheckboxRadio("credit_type");
+	autofillCheckboxRadio("semester");
 
 	// Allow unchecking a radio button when we click on it
 	// Keep a state of what is checked
@@ -91,6 +109,8 @@ autofillCheckboxRadio("semester");
 		if (formStates[this.name] == this.value){
 			this.checked = false;
 			formStates[this.name] = "";
+			// Fire an update since the browser does not do it in this situation
+			$("#search_form").submit();
 			return;
 		}
 		formStates[this.name] = this.value;
@@ -111,6 +131,9 @@ autofillCheckboxRadio("semester");
     // Make autumn and spring hidden if js is enabled
     autumn_and_spring.hide();
 
+    // Fill json field if js is enabled
+    $("input[name='json']").first().prop("value", "true");
+
     // Set correctly state of what is checked
     if (autumn_and_spring.prop("checked")){
     	autumn.prop("checked", true);
@@ -126,7 +149,38 @@ autofillCheckboxRadio("semester");
 			autumn.prop("checked", false);
 			spring.prop("checked", false);
 		}
-    	this.submit();
+
+		// Do query
+		var xhr = new XMLHttpRequest();
+		$.ajax({
+			type: "GET",
+			url: "{{ url('pedagogy:guide') }}",
+			data: $(this).serialize(),
+			xhr: function(){
+				 return xhr;
+			},
+			success: function(data){
+				// Update URL
+				history.pushState({}, null, xhr.responseURL.replace("&json=true", ""));
+				// Update content
+				$("#dynamic_view_content").html("");
+				for (key in data){
+					$("#dynamic_view_content").append(uvJSONToHTML(data[key]));
+				}
+			},
+		});
+
+		// Restore autumn and spring for perfect illusion
+		if (autumn_and_spring.prop("checked")){
+			autumn_and_spring.prop("checked", false);
+			autumn.prop("checked", true);
+			spring.prop("checked", true);
+		}
+    });
+
+    // Auto send on change
+    $("#search_form").on("change", function(e){
+    	$(this).submit();
     });
 </script>
 {% endblock content %}

pedagogy/tests.py

@@ -673,9 +673,10 @@ class UVSearchTest(TestCase):
             response.content,
             [
                 {
-                    "model": "pedagogy.uv",
-                    "pk": 1,
-                    "fields": {
+                    "id": 1,
+                    "absolute_url": "/pedagogy/uv/1",
+                    "update_url": "/pedagogy/uv/1/edit",
+                    "delete_url": "/pedagogy/uv/1/delete",
                     "code": "PA00",
                     "author": 0,
                     "credit_type": "OM",
@@ -694,7 +695,6 @@ class UVSearchTest(TestCase):
                     "hours_TP": 0,
                     "hours_THE": 121,
                     "hours_TE": 4,
-                    },
                 }
             ],
         )

pedagogy/views.py

@@ -25,13 +25,11 @@
 from django.views.generic import (
     CreateView,
     DeleteView,
-    DetailView,
     UpdateView,
     ListView,
     FormView,
     View,
 )
-from django.core import serializers
 from django.utils import html
 from django.http import HttpResponse
 from django.core.exceptions import PermissionDenied, ObjectDoesNotExist
@@ -39,6 +37,9 @@ from django.core.urlresolvers import reverse_lazy, reverse
 from django.shortcuts import get_object_or_404
 from django.conf import settings
 
+from haystack.query import SearchQuerySet
+from rest_framework.renderers import JSONRenderer
+
 from core.views import (
     DetailFormView,
     CanCreateMixin,
@@ -48,15 +49,13 @@ from core.views import (
 )
 from core.models import RealGroup, Notification
 
-from haystack.query import SearchQuerySet
-
 from pedagogy.forms import (
     UVForm,
     UVCommentForm,
     UVCommentReportForm,
     UVCommentModerationForm,
 )
-from pedagogy.models import UV, UVComment, UVCommentReport
+from pedagogy.models import UV, UVComment, UVCommentReport, UVSerializer
 
 # Some mixins
 
@@ -166,7 +165,7 @@ class UVListView(CanViewMixin, CanCreateUVFunctionMixin, ListView):
 
         # Return serialized response
         return HttpResponse(
-            serializers.serialize("json", self.get_queryset()),
+            JSONRenderer().render(UVSerializer(self.get_queryset(), many=True).data),
             content_type="application/json",
         )