MDL-76713 core_availability: Fix date restriction conflict

* Use a unique ID the date nodes in the HTML tree to be able to find the current node.
* Look for nodes in the same tree "leaf" and work on conflicts in this single leaf/branch.

availability/condition/date/tests/behat/availability_date_conflict.feature

@@ -0,0 +1,105 @@
+@availability @availability_date @javascript
+Feature: As a teacher I can set availability dates restriction to an activity and see a warning when conflicting dates are set
+
+  Background:
+    Given the following "courses" exist:
+      | fullname | shortname | format | enablecompletion |
+      | Course 1 | C1        | topics | 1                |
+    And the following "users" exist:
+      | username |
+      | teacher1 |
+    And the following "course enrolments" exist:
+      | user     | course | role           |
+      | teacher1 | C1     | editingteacher |
+    And the following "activities" exist:
+      | activity | name      | intro     | introformat | course | content | contentformat | idnumber |
+      | page     | PageName1 | PageDesc1 | 1           | C1     | Page 1  | 1             | 1        |
+
+  Scenario: When I set dates to potential conflicting dates in the same subset, I should see a warning.
+    Given I am on the PageName1 "page activity editing" page logged in as teacher1
+    And I expand all fieldsets
+    And I click on "Add restriction..." "button" in the "root" "core_availability > Availability Button Area"
+    And I click on "Date" "button" in the "Add restriction..." "dialogue"
+    And I set the field "year" in the "1" "availability_date > Date Restriction" to "2023"
+    And I set the field "Month" in the "1" "availability_date > Date Restriction" to "April"
+    And I set the field "day" in the "1" "availability_date > Date Restriction" to "4"
+    And I set the field "Direction" in the "1" "availability_date > Date Restriction" to "from"
+    And I click on "Add restriction..." "button" in the "root" "core_availability > Availability Button Area"
+    And I click on "Date" "button" in the "Add restriction..." "dialogue"
+    And I set the field "year" in the "2" "availability_date > Date Restriction" to "2023"
+    And I set the field "Month" in the "2" "availability_date > Date Restriction" to "April"
+    And I set the field "day" in the "2" "availability_date > Date Restriction" to "6"
+    And I set the field "Direction" in the "2" "availability_date > Date Restriction" to "until"
+    And I click on "Add restriction..." "button" in the "root" "core_availability > Availability Button Area"
+    And I click on "Date" "button" in the "Add restriction..." "dialogue"
+    And I set the field "year" in the "3" "availability_date > Date Restriction" to "2023"
+    And I set the field "Month" in the "3" "availability_date > Date Restriction" to "April"
+    And I set the field "day" in the "3" "availability_date > Date Restriction" to "6"
+    When I set the field "Direction" in the "3" "availability_date > Date Restriction" to "from"
+    Then I should see "Conflicts with other date restrictions"
+
+  Scenario: If there are conflicting dates in the same subset, I should not see a warning if condition are separated by "any".
+    Given I am on the PageName1 "page activity editing" page logged in as teacher1
+    And I expand all fieldsets
+    And I click on "Add restriction..." "button" in the "root" "core_availability > Availability Button Area"
+    And I click on "Restriction set" "button" in the "Add restriction..." "dialogue"
+    And I click on "Add restriction..." "button" in the "1" "core_availability > Availability Button Area"
+    And I click on "Date" "button" in the "Add restriction..." "dialogue"
+    And I set the field "year" in the "1.1" "availability_date > Date Restriction" to "2023"
+    And I set the field "Month" in the "1.1" "availability_date > Date Restriction" to "April"
+    And I set the field "day" in the "1.1" "availability_date > Date Restriction" to "4"
+    And I set the field "Direction" in the "1.1" "availability_date > Date Restriction" to "from"
+    And I click on "Add restriction..." "button" in the "1" "core_availability > Availability Button Area"
+    And I click on "Date" "button" in the "Add restriction..." "dialogue"
+    And I set the field "year" in the "1.2" "availability_date > Date Restriction" to "2023"
+    And I set the field "Month" in the "1.2" "availability_date > Date Restriction" to "April"
+    And I set the field "day" in the "1.2" "availability_date > Date Restriction" to "6"
+    And I set the field "Direction" in the "1.2" "availability_date > Date Restriction" to "until"
+    And I click on "Add restriction..." "button" in the "1" "core_availability > Availability Button Area"
+    And I click on "Date" "button" in the "Add restriction..." "dialogue"
+    And I set the field "year" in the "1.3" "availability_date > Date Restriction" to "2023"
+    And I set the field "Month" in the "1.3" "availability_date > Date Restriction" to "April"
+    And I set the field "day" in the "1.3" "availability_date > Date Restriction" to "6"
+    And I set the field "Direction" in the "1.3" "availability_date > Date Restriction" to "from"
+    When I set the field "Required restrictions" in the "1" "core_availability > Set Of Restrictions" to "any"
+    Then I should not see "Conflicts with other date restrictions"
+
+  Scenario: There should a conflicting availability dates are in the same subset separated by "all".
+    Given I am on the PageName1 "page activity editing" page logged in as teacher1
+    And I expand all fieldsets
+    # Root level: Student "must" match the following.
+    And I click on "Add restriction..." "button" in the "root" "core_availability > Availability Button Area"
+    And I click on "Restriction set" "button" in the "Add restriction..." "dialogue"
+    # This is the second level: Student "must" match any of the following.
+    And I click on "Add restriction..." "button" in the "1" "core_availability > Availability Button Area"
+    And I click on "Restriction set" "button" in the "Add restriction..." "dialogue"
+    # And now the third and final level.
+    And I click on "Add restriction..." "button" in the "1.1" "core_availability > Availability Button Area"
+    And I click on "Date" "button" in the "Add restriction..." "dialogue"
+    And I set the field "year" in the "1.1.1" "availability_date > Date Restriction" to "2023"
+    And I set the field "Month" in the "1.1.1" "availability_date > Date Restriction" to "April"
+    And I set the field "day" in the "1.1.1" "availability_date > Date Restriction" to "2"
+    And I set the field "Direction" in the "1.1.1" "availability_date > Date Restriction" to "from"
+    And I click on "Add restriction..." "button" in the "1.1" "core_availability > Availability Button Area"
+    And I click on "Date" "button" in the "Add restriction..." "dialogue"
+    And I set the field "year" in the "1.1.2" "availability_date > Date Restriction" to "2023"
+    And I set the field "Month" in the "1.1.2" "availability_date > Date Restriction" to "April"
+    And I set the field "day" in the "1.1.2" "availability_date > Date Restriction" to "3"
+    And I set the field "Direction" in the "1.1.2" "availability_date > Date Restriction" to "until"
+    # Then add a restriction to the second level.
+    And I click on "Add restriction..." "button" in the "1" "core_availability > Availability Button Area"
+    And I click on "Restriction set" "button" in the "Add restriction..." "dialogue"
+    And I click on "Add restriction..." "button" in the "1.2" "core_availability > Availability Button Area"
+    And I click on "Date" "button" in the "Add restriction..." "dialogue"
+    And I set the field "year" in the "1.2.1" "availability_date > Date Restriction" to "2023"
+    And I set the field "Month" in the "1.2.1" "availability_date > Date Restriction" to "April"
+    And I set the field "day" in the "1.2.1" "availability_date > Date Restriction" to "4"
+    And I set the field "Direction" in the "1.2.1" "availability_date > Date Restriction" to "from"
+    And I click on "Add restriction..." "button" in the "1.2" "core_availability > Availability Button Area"
+    And I click on "Date" "button" in the "Add restriction..." "dialogue"
+    And I set the field "year" in the "1.2.2" "availability_date > Date Restriction" to "2023"
+    And I set the field "Month" in the "1.2.2" "availability_date > Date Restriction" to "April"
+    And I set the field "day" in the "1.2.2" "availability_date > Date Restriction" to "3"
+    When I set the field "Direction" in the "1.2.2" "availability_date > Date Restriction" to "until"
+    # Same subset, we can detect conflicts.
+    Then I should see "Conflicts with other date restrictions"

availability/condition/date/tests/behat/behat_availability_date.php

@@ -0,0 +1,39 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+use Behat\Mink\Element\NodeElement;
+
+/**
+ * Behat availabilty-related steps definitions.
+ *
+ * @package    availability_date
+ * @category   test
+ * @copyright  2023 Laurent David <laurent.david@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class behat_availability_date extends behat_base {
+    /**
+     * Return the list of partial named selectors.
+     *
+     * @return array
+     */
+    public static function get_partial_named_selectors(): array {
+        return [
+            new behat_component_named_selector(
+                'Date Restriction', ["//div[h3[@data-restriction-order=%locator% and contains(text(), 'Date restriction')]]"]
+            ),
+        ];
+    }
+}

availability/condition/date/yui/build/moodle-availability_date-form/moodle-availability_date-form-debug.js

@@ -65,6 +65,11 @@ M.availability_date.form.getNode = function(json) {
         // Set default time that corresponds to the HTML selectors.
         node.setData('time', this.defaultTime);
     }
+    if (json.nodeUID === undefined) {
+        var miliTime = new Date();
+        json.nodeUID = miliTime.getTime();
+    }
+    node.setData('nodeUID', json.nodeUID);
     if (json.d !== undefined) {
         node.one('select[name=direction]').set('value', json.d);
     }
@@ -114,7 +119,7 @@ M.availability_date.form.getNode = function(json) {
  * gets an AJAX response.
  *
  * @method updateTime
- * @param {Y.Node} component Node for plugin controls
+ * @param {Y.Node} node Node for plugin controls
  */
 M.availability_date.form.updateTime = function(node) {
     // After a change to the date/time we need to recompute the
@@ -140,39 +145,53 @@ M.availability_date.form.updateTime = function(node) {
 M.availability_date.form.fillValue = function(value, node) {
     value.d = node.one('select[name=direction]').get('value');
     value.t = parseInt(node.getData('time'), 10);
+    value.nodeUID = node.getData('nodeUID');
 };
 
 /**
- * List out Date node value in an array node.
+ * List out Date node value in the same branch.
  *
- * This will go through all array node and list from earlier date node to current date node.
+ * This will go through all array node and list nodes that are sibling of the current node.
  *
- * @method convertTreeDateValue
+ * @method findAllDateSiblings
- * @param {array} tree Tree node to convert
+ * @param {Array} tree Tree items to convert
- * @param {array} arrayDateNode
+ * @param {Number} nodeUIDToFind node UID to find.
- * @param {array} currentNode current node.
+ * @return {Array|null} array of surrounding date avaiability values
- *
- * @return {array} arrayDateNode
  */
-M.availability_date.form.convertTreeDateValue = function(tree, arrayDateNode, currentNode) {
+M.availability_date.form.findAllDateSiblings = function(tree, nodeUIDToFind) {
-    var shouldSkip = false;
+    var itemValue = null;
-    tree.forEach(function(node) {
+    var siblingsFinderRecursive = function(itemsTree) {
-        if (shouldSkip) {
+        var dateSiblings = [];
-            return;
+        var nodeFound = false;
-        }
+        var index;
-        if (node.type === 'date') {
+        var childDates;
-            // We go through all tree node, if we meet the current node then return.
+        var currentOp = itemsTree.op !== undefined ? itemsTree.op : null;
-            if (node.t === parseInt(currentNode.getData('time'), 10)
+        if (itemsTree.c !== undefined) {
-                && currentNode.one('select[name=direction]').get('value') == node.d) {
+            var children = itemsTree.c;
-                shouldSkip = true;
+            for (index = 0; index < children.length; index++) {
-                return;
+                itemValue = children.at(index);
+                if (itemValue.type === undefined) {
+                    childDates = siblingsFinderRecursive(itemValue);
+                    if (childDates) {
+                        return childDates;
+                    }
+                }
+                if (itemValue.type === 'date') {
+                    // We go through all tree node, if we meet the current node then we add all nodes in the current branch.
+                    if (nodeUIDToFind === itemValue.nodeUID) {
+                        nodeFound = true;
+                    } else if (currentOp === '&') {
+                        dateSiblings.push(itemValue);
+                    }
+                }
+            }
+            if (nodeFound) {
+                return dateSiblings;
             }
-            arrayDateNode.push(node);
-        } else if (node.type === undefined) {
-            M.availability_date.form.convertTreeDateValue(node.c, arrayDateNode, currentNode);
         }
-    });
+        return null;
-    return arrayDateNode;
+    };
+    return siblingsFinderRecursive(tree);
 };
 
 /**
@@ -181,37 +200,34 @@ M.availability_date.form.convertTreeDateValue = function(tree, arrayDateNode, cu
  * This will check current date node with all date node in tree node.
  *
  * @method checkConditionDate
- * @param {array} currentNode The curent node.
+ * @param {Y.Node} currentNode The curent node.
  *
  * @return {boolean} error Return true if the date is conflict.
  */
 M.availability_date.form.checkConditionDate = function(currentNode) {
     var error = false;
-    if (M.core_availability.form.rootList.getValue().op === '&') {
+    var currentNodeUID = currentNode.getData('nodeUID');
-        var jsValue = M.core_availability.form.rootList.getValue().c;
+    var currentNodeDirection = currentNode.one('select[name=direction]').get('value');
-        var arrayDateNode = M.availability_date.form.convertTreeDateValue(jsValue, [], currentNode);
+    var currentNodeTime = parseInt(currentNode.getData('time'), 10);
-        var currentNodeDirection = currentNode.one('select[name=direction]').get('value');
+    var dateSiblings = M.availability_date.form.findAllDateSiblings(
-        var currentNodeTime = parseInt(currentNode.getData('time'), 10);
+        M.core_availability.form.rootList.getValue(),
-        arrayDateNode.forEach(function(checkNode) {
+        currentNodeUID);
+    if (dateSiblings) {
+        dateSiblings.forEach(function(dateSibling) {
             // Validate if the date is conflict.
-            if (checkNode.d === '<') {
+            if (dateSibling.d === '<') {
-                if (currentNodeDirection === '>=' && currentNodeTime >= checkNode.t) {
+                if (currentNodeDirection === '>=' && currentNodeTime >= dateSibling.t) {
                     error = true;
                 }
             } else {
-                if (currentNodeDirection === '<' && currentNodeTime <= checkNode.t) {
+                if (currentNodeDirection === '<' && currentNodeTime <= dateSibling.t) {
                     error = true;
                 }
             }
             return error;
         });
-        return error;
-    } else {
-        if (currentNode.one('div > .badge-warning')) {
-            currentNode.one('div > .badge-warning').remove();
-        }
-        return error;
     }
+    return error;
 };
 
 M.availability_date.form.fillErrors = function(errors, node) {

availability/condition/date/yui/build/moodle-availability_date-form/moodle-availability_date-form-min.js

@@ -1 +1 @@
-YUI.add("moodle-availability_date-form",function(o,e){M.availability_date=M.availability_date||{},M.availability_date.form=o.Object(M.core_availability.plugin),M.availability_date.form.initInner=function(e,a){this.html=e,this.defaultTime=a},M.availability_date.form.getNode=function(e){var t,i,a='<span class="col-form-label pr-3">'+M.util.get_string("direction_before","availability_date")+'</span> <span class="availability-group"><label><span class="accesshide">'+M.util.get_string("direction_label","availability_date")+' </span><select name="direction" class="custom-select"><option value="&gt;=">'+M.util.get_string("direction_from","availability_date")+'</option><option value="&lt;">'+M.util.get_string("direction_until","availability_date")+"</option></select></label></span> "+this.html,n=o.Node.create("<span>"+a+"</span>");return e.t!==undefined?(n.setData("time",e.t),n.all("select:not([name=direction])").each(function(e){e.set("disabled",!0)}),a=M.cfg.wwwroot+"/availability/condition/date/ajax.php?action=fromtime&time="+e.t,o.io(a,{on:{success:function(e,a){var t,i,l=o.JSON.parse(a.responseText);for(t in l)(i=n.one("select[name=x\\["+t+"\\]]")).set("value",""+l[t]),i.set("disabled",!1)},failure:function(){window.alert(M.util.get_string("ajaxerror","availability_date"))}}})):n.setData("time",this.defaultTime),e.d!==undefined&&n.one("select[name=direction]").set("value",e.d),M.availability_date.form.addedEvents||(M.availability_date.form.addedEvents=!0,(a=o.one(".availability-field")).delegate("change",function(){M.core_availability.form.update()},".availability_date select[name=direction]"),a.delegate("change",function(){M.availability_date.form.updateTime(this.ancestor("span.availability_date"))},".availability_date select:not([name=direction])")),n.one("a[href=#]")&&(M.form.dateselector.init_single_date_selector(n),t=n.one("select[name=x\\[year\\]]"),i=t.set,t.set=function(e,a){i.call(t,e,a),"selectedIndex"===e&&setTimeout(function(){M.availability_date.form.updateTime(n)},0)}),n},M.availability_date.form.updateTime=function(t){var e=M.cfg.wwwroot+"/availability/condition/date/ajax.php?action=totime&year="+t.one("select[name=x\\[year\\]]").get("value")+"&month="+t.one("select[name=x\\[month\\]]").get("value")+"&day="+t.one("select[name=x\\[day\\]]").get("value")+"&hour="+t.one("select[name=x\\[hour\\]]").get("value")+"&minute="+t.one("select[name=x\\[minute\\]]").get("value");o.io(e,{on:{success:function(e,a){t.setData("time",a.responseText),M.core_availability.form.update()},failure:function(){window.alert(M.util.get_string("ajaxerror","availability_date"))}}})},M.availability_date.form.fillValue=function(e,a){e.d=a.one("select[name=direction]").get("value"),e.t=parseInt(a.getData("time"),10)},M.availability_date.form.convertTreeDateValue=function(e,a,t){var i=!1;return e.forEach(function(e){i||("date"===e.type?e.t!==parseInt(t.getData("time"),10)||t.one("select[name=direction]").get("value")!=e.d?a.push(e):i=!0:e.type===undefined&&M.availability_date.form.convertTreeDateValue(e.c,a,t))}),a},M.availability_date.form.checkConditionDate=function(e){var a,t,i,l=!1;return"&"===M.core_availability.form.rootList.getValue().op?(a=M.core_availability.form.rootList.getValue().c,a=M.availability_date.form.convertTreeDateValue(a,[],e),t=e.one("select[name=direction]").get("value"),i=parseInt(e.getData("time"),10),a.forEach(function(e){return"<"===e.d?">="===t&&i>=e.t&&(l=!0):"<"===t&&i<=e.t&&(l=!0),l})):e.one("div > .badge-warning")&&e.one("div > .badge-warning").remove(),l},M.availability_date.form.fillErrors=function(e,a){M.availability_date.form.checkConditionDate(a)&&e.push("availability_date:error_dateconflict")}},"@VERSION@",{requires:["base","node","event","io","moodle-core_availability-form"]});
+YUI.add("moodle-availability_date-form",function(o,e){M.availability_date=M.availability_date||{},M.availability_date.form=o.Object(M.core_availability.plugin),M.availability_date.form.initInner=function(e,a){this.html=e,this.defaultTime=a},M.availability_date.form.getNode=function(e){var t,i,a='<span class="col-form-label pr-3">'+M.util.get_string("direction_before","availability_date")+'</span> <span class="availability-group"><label><span class="accesshide">'+M.util.get_string("direction_label","availability_date")+' </span><select name="direction" class="custom-select"><option value="&gt;=">'+M.util.get_string("direction_from","availability_date")+'</option><option value="&lt;">'+M.util.get_string("direction_until","availability_date")+"</option></select></label></span> "+this.html,l=o.Node.create("<span>"+a+"</span>");return e.t!==undefined?(l.setData("time",e.t),l.all("select:not([name=direction])").each(function(e){e.set("disabled",!0)}),a=M.cfg.wwwroot+"/availability/condition/date/ajax.php?action=fromtime&time="+e.t,o.io(a,{on:{success:function(e,a){var t,i,n=o.JSON.parse(a.responseText);for(t in n)(i=l.one("select[name=x\\["+t+"\\]]")).set("value",""+n[t]),i.set("disabled",!1)},failure:function(){window.alert(M.util.get_string("ajaxerror","availability_date"))}}})):l.setData("time",this.defaultTime),e.nodeUID===undefined&&(a=new Date,e.nodeUID=a.getTime()),l.setData("nodeUID",e.nodeUID),e.d!==undefined&&l.one("select[name=direction]").set("value",e.d),M.availability_date.form.addedEvents||(M.availability_date.form.addedEvents=!0,(a=o.one(".availability-field")).delegate("change",function(){M.core_availability.form.update()},".availability_date select[name=direction]"),a.delegate("change",function(){M.availability_date.form.updateTime(this.ancestor("span.availability_date"))},".availability_date select:not([name=direction])")),l.one("a[href=#]")&&(M.form.dateselector.init_single_date_selector(l),t=l.one("select[name=x\\[year\\]]"),i=t.set,t.set=function(e,a){i.call(t,e,a),"selectedIndex"===e&&setTimeout(function(){M.availability_date.form.updateTime(l)},0)}),l},M.availability_date.form.updateTime=function(t){var e=M.cfg.wwwroot+"/availability/condition/date/ajax.php?action=totime&year="+t.one("select[name=x\\[year\\]]").get("value")+"&month="+t.one("select[name=x\\[month\\]]").get("value")+"&day="+t.one("select[name=x\\[day\\]]").get("value")+"&hour="+t.one("select[name=x\\[hour\\]]").get("value")+"&minute="+t.one("select[name=x\\[minute\\]]").get("value");o.io(e,{on:{success:function(e,a){t.setData("time",a.responseText),M.core_availability.form.update()},failure:function(){window.alert(M.util.get_string("ajaxerror","availability_date"))}}})},M.availability_date.form.fillValue=function(e,a){e.d=a.one("select[name=direction]").get("value"),e.t=parseInt(a.getData("time"),10),e.nodeUID=a.getData("nodeUID")},M.availability_date.form.findAllDateSiblings=function(e,d){var r,c=function(e){var a,t,i,n=[],l=!1,o=e.op!==undefined?e.op:null;if(e.c!==undefined){for(i=e.c,a=0;a<i.length;a++){if((r=i.at(a)).type===undefined&&(t=c(r)))return t;"date"===r.type&&(d===r.nodeUID?l=!0:"&"===o&&n.push(r))}if(l)return n}return null};return c(e)},M.availability_date.form.checkConditionDate=function(e){var a=!1,t=e.getData("nodeUID"),i=e.one("select[name=direction]").get("value"),n=parseInt(e.getData("time"),10),e=M.availability_date.form.findAllDateSiblings(M.core_availability.form.rootList.getValue(),t);return e&&e.forEach(function(e){return"<"===e.d?">="===i&&n>=e.t&&(a=!0):"<"===i&&n<=e.t&&(a=!0),a}),a},M.availability_date.form.fillErrors=function(e,a){M.availability_date.form.checkConditionDate(a)&&e.push("availability_date:error_dateconflict")}},"@VERSION@",{requires:["base","node","event","io","moodle-core_availability-form"]});

availability/condition/date/yui/build/moodle-availability_date-form/moodle-availability_date-form.js

@@ -65,6 +65,11 @@ M.availability_date.form.getNode = function(json) {
         // Set default time that corresponds to the HTML selectors.
         node.setData('time', this.defaultTime);
     }
+    if (json.nodeUID === undefined) {
+        var miliTime = new Date();
+        json.nodeUID = miliTime.getTime();
+    }
+    node.setData('nodeUID', json.nodeUID);
     if (json.d !== undefined) {
         node.one('select[name=direction]').set('value', json.d);
     }
@@ -114,7 +119,7 @@ M.availability_date.form.getNode = function(json) {
  * gets an AJAX response.
  *
  * @method updateTime
- * @param {Y.Node} component Node for plugin controls
+ * @param {Y.Node} node Node for plugin controls
  */
 M.availability_date.form.updateTime = function(node) {
     // After a change to the date/time we need to recompute the
@@ -140,39 +145,53 @@ M.availability_date.form.updateTime = function(node) {
 M.availability_date.form.fillValue = function(value, node) {
     value.d = node.one('select[name=direction]').get('value');
     value.t = parseInt(node.getData('time'), 10);
+    value.nodeUID = node.getData('nodeUID');
 };
 
 /**
- * List out Date node value in an array node.
+ * List out Date node value in the same branch.
  *
- * This will go through all array node and list from earlier date node to current date node.
+ * This will go through all array node and list nodes that are sibling of the current node.
  *
- * @method convertTreeDateValue
+ * @method findAllDateSiblings
- * @param {array} tree Tree node to convert
+ * @param {Array} tree Tree items to convert
- * @param {array} arrayDateNode
+ * @param {Number} nodeUIDToFind node UID to find.
- * @param {array} currentNode current node.
+ * @return {Array|null} array of surrounding date avaiability values
- *
- * @return {array} arrayDateNode
  */
-M.availability_date.form.convertTreeDateValue = function(tree, arrayDateNode, currentNode) {
+M.availability_date.form.findAllDateSiblings = function(tree, nodeUIDToFind) {
-    var shouldSkip = false;
+    var itemValue = null;
-    tree.forEach(function(node) {
+    var siblingsFinderRecursive = function(itemsTree) {
-        if (shouldSkip) {
+        var dateSiblings = [];
-            return;
+        var nodeFound = false;
-        }
+        var index;
-        if (node.type === 'date') {
+        var childDates;
-            // We go through all tree node, if we meet the current node then return.
+        var currentOp = itemsTree.op !== undefined ? itemsTree.op : null;
-            if (node.t === parseInt(currentNode.getData('time'), 10)
+        if (itemsTree.c !== undefined) {
-                && currentNode.one('select[name=direction]').get('value') == node.d) {
+            var children = itemsTree.c;
-                shouldSkip = true;
+            for (index = 0; index < children.length; index++) {
-                return;
+                itemValue = children.at(index);
+                if (itemValue.type === undefined) {
+                    childDates = siblingsFinderRecursive(itemValue);
+                    if (childDates) {
+                        return childDates;
+                    }
+                }
+                if (itemValue.type === 'date') {
+                    // We go through all tree node, if we meet the current node then we add all nodes in the current branch.
+                    if (nodeUIDToFind === itemValue.nodeUID) {
+                        nodeFound = true;
+                    } else if (currentOp === '&') {
+                        dateSiblings.push(itemValue);
+                    }
+                }
+            }
+            if (nodeFound) {
+                return dateSiblings;
             }
-            arrayDateNode.push(node);
-        } else if (node.type === undefined) {
-            M.availability_date.form.convertTreeDateValue(node.c, arrayDateNode, currentNode);
         }
-    });
+        return null;
-    return arrayDateNode;
+    };
+    return siblingsFinderRecursive(tree);
 };
 
 /**
@@ -181,37 +200,34 @@ M.availability_date.form.convertTreeDateValue = function(tree, arrayDateNode, cu
  * This will check current date node with all date node in tree node.
  *
  * @method checkConditionDate
- * @param {array} currentNode The curent node.
+ * @param {Y.Node} currentNode The curent node.
  *
  * @return {boolean} error Return true if the date is conflict.
  */
 M.availability_date.form.checkConditionDate = function(currentNode) {
     var error = false;
-    if (M.core_availability.form.rootList.getValue().op === '&') {
+    var currentNodeUID = currentNode.getData('nodeUID');
-        var jsValue = M.core_availability.form.rootList.getValue().c;
+    var currentNodeDirection = currentNode.one('select[name=direction]').get('value');
-        var arrayDateNode = M.availability_date.form.convertTreeDateValue(jsValue, [], currentNode);
+    var currentNodeTime = parseInt(currentNode.getData('time'), 10);
-        var currentNodeDirection = currentNode.one('select[name=direction]').get('value');
+    var dateSiblings = M.availability_date.form.findAllDateSiblings(
-        var currentNodeTime = parseInt(currentNode.getData('time'), 10);
+        M.core_availability.form.rootList.getValue(),
-        arrayDateNode.forEach(function(checkNode) {
+        currentNodeUID);
+    if (dateSiblings) {
+        dateSiblings.forEach(function(dateSibling) {
             // Validate if the date is conflict.
-            if (checkNode.d === '<') {
+            if (dateSibling.d === '<') {
-                if (currentNodeDirection === '>=' && currentNodeTime >= checkNode.t) {
+                if (currentNodeDirection === '>=' && currentNodeTime >= dateSibling.t) {
                     error = true;
                 }
             } else {
-                if (currentNodeDirection === '<' && currentNodeTime <= checkNode.t) {
+                if (currentNodeDirection === '<' && currentNodeTime <= dateSibling.t) {
                     error = true;
                 }
             }
             return error;
         });
-        return error;
-    } else {
-        if (currentNode.one('div > .badge-warning')) {
-            currentNode.one('div > .badge-warning').remove();
-        }
-        return error;
     }
+    return error;
 };
 
 M.availability_date.form.fillErrors = function(errors, node) {

availability/condition/date/yui/src/form/js/form.js

@@ -63,6 +63,11 @@ M.availability_date.form.getNode = function(json) {
         // Set default time that corresponds to the HTML selectors.
         node.setData('time', this.defaultTime);
     }
+    if (json.nodeUID === undefined) {
+        var miliTime = new Date();
+        json.nodeUID = miliTime.getTime();
+    }
+    node.setData('nodeUID', json.nodeUID);
     if (json.d !== undefined) {
         node.one('select[name=direction]').set('value', json.d);
     }
@@ -112,7 +117,7 @@ M.availability_date.form.getNode = function(json) {
  * gets an AJAX response.
  *
  * @method updateTime
- * @param {Y.Node} component Node for plugin controls
+ * @param {Y.Node} node Node for plugin controls
  */
 M.availability_date.form.updateTime = function(node) {
     // After a change to the date/time we need to recompute the
@@ -138,39 +143,53 @@ M.availability_date.form.updateTime = function(node) {
 M.availability_date.form.fillValue = function(value, node) {
     value.d = node.one('select[name=direction]').get('value');
     value.t = parseInt(node.getData('time'), 10);
+    value.nodeUID = node.getData('nodeUID');
 };
 
 /**
- * List out Date node value in an array node.
+ * List out Date node value in the same branch.
  *
- * This will go through all array node and list from earlier date node to current date node.
+ * This will go through all array node and list nodes that are sibling of the current node.
  *
- * @method convertTreeDateValue
+ * @method findAllDateSiblings
- * @param {array} tree Tree node to convert
+ * @param {Array} tree Tree items to convert
- * @param {array} arrayDateNode
+ * @param {Number} nodeUIDToFind node UID to find.
- * @param {array} currentNode current node.
+ * @return {Array|null} array of surrounding date avaiability values
- *
- * @return {array} arrayDateNode
  */
-M.availability_date.form.convertTreeDateValue = function(tree, arrayDateNode, currentNode) {
+M.availability_date.form.findAllDateSiblings = function(tree, nodeUIDToFind) {
-    var shouldSkip = false;
+    var itemValue = null;
-    tree.forEach(function(node) {
+    var siblingsFinderRecursive = function(itemsTree) {
-        if (shouldSkip) {
+        var dateSiblings = [];
-            return;
+        var nodeFound = false;
-        }
+        var index;
-        if (node.type === 'date') {
+        var childDates;
-            // We go through all tree node, if we meet the current node then return.
+        var currentOp = itemsTree.op !== undefined ? itemsTree.op : null;
-            if (node.t === parseInt(currentNode.getData('time'), 10)
+        if (itemsTree.c !== undefined) {
-                && currentNode.one('select[name=direction]').get('value') == node.d) {
+            var children = itemsTree.c;
-                shouldSkip = true;
+            for (index = 0; index < children.length; index++) {
-                return;
+                itemValue = children.at(index);
+                if (itemValue.type === undefined) {
+                    childDates = siblingsFinderRecursive(itemValue);
+                    if (childDates) {
+                        return childDates;
+                    }
+                }
+                if (itemValue.type === 'date') {
+                    // We go through all tree node, if we meet the current node then we add all nodes in the current branch.
+                    if (nodeUIDToFind === itemValue.nodeUID) {
+                        nodeFound = true;
+                    } else if (currentOp === '&') {
+                        dateSiblings.push(itemValue);
+                    }
+                }
+            }
+            if (nodeFound) {
+                return dateSiblings;
             }
-            arrayDateNode.push(node);
-        } else if (node.type === undefined) {
-            M.availability_date.form.convertTreeDateValue(node.c, arrayDateNode, currentNode);
         }
-    });
+        return null;
-    return arrayDateNode;
+    };
+    return siblingsFinderRecursive(tree);
 };
 
 /**
@@ -179,37 +198,34 @@ M.availability_date.form.convertTreeDateValue = function(tree, arrayDateNode, cu
  * This will check current date node with all date node in tree node.
  *
  * @method checkConditionDate
- * @param {array} currentNode The curent node.
+ * @param {Y.Node} currentNode The curent node.
  *
  * @return {boolean} error Return true if the date is conflict.
  */
 M.availability_date.form.checkConditionDate = function(currentNode) {
     var error = false;
-    if (M.core_availability.form.rootList.getValue().op === '&') {
+    var currentNodeUID = currentNode.getData('nodeUID');
-        var jsValue = M.core_availability.form.rootList.getValue().c;
+    var currentNodeDirection = currentNode.one('select[name=direction]').get('value');
-        var arrayDateNode = M.availability_date.form.convertTreeDateValue(jsValue, [], currentNode);
+    var currentNodeTime = parseInt(currentNode.getData('time'), 10);
-        var currentNodeDirection = currentNode.one('select[name=direction]').get('value');
+    var dateSiblings = M.availability_date.form.findAllDateSiblings(
-        var currentNodeTime = parseInt(currentNode.getData('time'), 10);
+        M.core_availability.form.rootList.getValue(),
-        arrayDateNode.forEach(function(checkNode) {
+        currentNodeUID);
+    if (dateSiblings) {
+        dateSiblings.forEach(function(dateSibling) {
             // Validate if the date is conflict.
-            if (checkNode.d === '<') {
+            if (dateSibling.d === '<') {
-                if (currentNodeDirection === '>=' && currentNodeTime >= checkNode.t) {
+                if (currentNodeDirection === '>=' && currentNodeTime >= dateSibling.t) {
                     error = true;
                 }
             } else {
-                if (currentNodeDirection === '<' && currentNodeTime <= checkNode.t) {
+                if (currentNodeDirection === '<' && currentNodeTime <= dateSibling.t) {
                     error = true;
                 }
             }
             return error;
         });
-        return error;
-    } else {
-        if (currentNode.one('div > .badge-warning')) {
-            currentNode.one('div > .badge-warning').remove();
-        }
-        return error;
     }
+    return error;
 };
 
 M.availability_date.form.fillErrors = function(errors, node) {

availability/tests/behat/behat_availability.php

@@ -0,0 +1,67 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+require_once(__DIR__ . '/../../../lib/behat/behat_base.php');
+
+/**
+ * Availability related behat steps and selectors definitions.
+ *
+ * @package    core_availability
+ * @category   test
+ * @copyright  2023 Amaia Anabitarte <amaia@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class behat_availability extends behat_base {
+
+    /**
+     * Return the list of partial named selectors.
+     *
+     * @return array
+     */
+    public static function get_partial_named_selectors(): array {
+        return [
+            new behat_component_named_selector(
+                'Activity availability', [
+                    ".//li[contains(concat(' ', normalize-space(@class), ' '), ' activity ')]"
+                    . "[descendant::*[contains(normalize-space(.), %locator%)]]//div[@data-region='availabilityinfo']",
+                ]
+            ),
+            new behat_component_named_selector(
+                'Section availability', [".//li[@id = %locator%]//div[@data-region='availabilityinfo']"],
+            ),
+            new behat_component_named_selector(
+                'Set Of Restrictions', ["//div[h3[@data-restriction-order=%locator% and contains(text(), 'Set of')]]"],
+            ),
+        ];
+    }
+
+    /**
+     * Return the list of exact named selectors
+     *
+     * @return array
+     */
+    public static function get_exact_named_selectors(): array {
+        return [
+            new behat_component_named_selector(
+                'Availability Button Area',
+                [
+                    "//h3[@data-restriction-order=%locator%]/following-sibling::div[contains(@class,'availability-inner')]/"
+                    . "div[contains(@class,'availability-button')]",
+                ],
+            ),
+        ];
+    }
+}

availability/yui/build/moodle-core_availability-form/moodle-core_availability-form-debug.js

@@ -560,7 +560,7 @@ M.core_availability.List.prototype.renumber = function(parentNumber) {
     }
     var heading = M.util.get_string('setheading', 'availability', headingParams);
     this.node.one('> h3').set('innerHTML', heading);
-
+    this.node.one('> h3').getDOMNode().dataset.restrictionOrder = parentNumber ? parentNumber : 'root';
     // Do children.
     for (var i = 0; i < this.children.length; i++) {
         var child = this.children[i];
@@ -1008,6 +1008,7 @@ M.core_availability.Item.prototype.renumber = function(number) {
     headingParams.number = number + ':';
     var heading = M.util.get_string('itemheading', 'availability', headingParams);
     this.node.one('> h3').set('innerHTML', heading);
+    this.node.one('> h3').getDOMNode().dataset.restrictionOrder = number ? number : 'root';
 };
 
 /**

availability/yui/build/moodle-core_availability-form/moodle-core_availability-form.js

@@ -560,7 +560,7 @@ M.core_availability.List.prototype.renumber = function(parentNumber) {
     }
     var heading = M.util.get_string('setheading', 'availability', headingParams);
     this.node.one('> h3').set('innerHTML', heading);
-
+    this.node.one('> h3').getDOMNode().dataset.restrictionOrder = parentNumber ? parentNumber : 'root';
     // Do children.
     for (var i = 0; i < this.children.length; i++) {
         var child = this.children[i];
@@ -1008,6 +1008,7 @@ M.core_availability.Item.prototype.renumber = function(number) {
     headingParams.number = number + ':';
     var heading = M.util.get_string('itemheading', 'availability', headingParams);
     this.node.one('> h3').set('innerHTML', heading);
+    this.node.one('> h3').getDOMNode().dataset.restrictionOrder = number ? number : 'root';
 };
 
 /**

availability/yui/src/form/js/form.js

@@ -558,7 +558,7 @@ M.core_availability.List.prototype.renumber = function(parentNumber) {
     }
     var heading = M.util.get_string('setheading', 'availability', headingParams);
     this.node.one('> h3').set('innerHTML', heading);
-
+    this.node.one('> h3').getDOMNode().dataset.restrictionOrder = parentNumber ? parentNumber : 'root';
     // Do children.
     for (var i = 0; i < this.children.length; i++) {
         var child = this.children[i];
@@ -1006,6 +1006,7 @@ M.core_availability.Item.prototype.renumber = function(number) {
     headingParams.number = number + ':';
     var heading = M.util.get_string('itemheading', 'availability', headingParams);
     this.node.one('> h3').set('innerHTML', heading);
+    this.node.one('> h3').getDOMNode().dataset.restrictionOrder = number ? number : 'root';
 };
 
 /**