MDL-66594 forumreport_summary: Added first/last post date columns

Part of MDL-66076.

mod/forum/report/summary/classes/summary_table.php

@@ -85,6 +85,8 @@ public function __construct(int $courseid, int $forumid) {
             'postcount' => get_string('postcount', 'forumreport_summary'),
             'replycount' => get_string('replycount', 'forumreport_summary'),
             'attachmentcount' => get_string('attachmentcount', 'forumreport_summary'),
+            'earliestpost' => get_string('earliestpost', 'forumreport_summary'),
+            'latestpost' => get_string('latestpost', 'forumreport_summary'),
         ];
 
         $this->define_columns(array_keys($columnheaders));
@@ -156,6 +158,30 @@ public function col_attachmentcount(\stdClass $data): int {
         return $data->attachmentcount;
     }
 
+    /**
+     * Generate the earliestpost column.
+     *
+     * @param \stdClass $data The row data.
+     * @return string Timestamp of user's earliest post, or a dash if no posts exist.
+     */
+    public function col_earliestpost(\stdClass $data): string {
+        global $USER;
+
+        return empty($data->earliestpost) ? '-' : userdate($data->earliestpost, "", \core_date::get_user_timezone($USER));
+    }
+
+    /**
+     * Generate the latestpost column.
+     *
+     * @param \stdClass $data The row data.
+     * @return string Timestamp of user's most recent post, or a dash if no posts exist.
+     */
+    public function col_latestpost(\stdClass $data): string {
+        global $USER;
+
+        return empty($data->latestpost) ? '-' : userdate($data->latestpost, "", \core_date::get_user_timezone($USER));
+    }
+
     /**
      * Override the default implementation to set a decent heading level.
      *
@@ -263,7 +289,9 @@ protected function define_base_sql(): void {
                                     SUM(CASE WHEN p.parent != 0 THEN 1 ELSE 0 END) AS replycount,
                                     u.firstname,
                                     u.lastname,
-                                    SUM(CASE WHEN att.attcount IS NULL THEN 0 ELSE att.attcount END) AS attachmentcount';
+                                    SUM(CASE WHEN att.attcount IS NULL THEN 0 ELSE att.attcount END) AS attachmentcount,
+                                    MIN(p.created) AS earliestpost,
+                                    MAX(p.created) AS latestpost';
 
         $this->sql->basefromjoins = '    {enrol} e
                                     JOIN {user_enrolments} ue ON ue.enrolid = e.id

mod/forum/report/summary/lang/en/forumreport_summary.php

@@ -23,6 +23,8 @@
  */
 
 $string['attachmentcount'] = 'Number of attachments';
+$string['earliestpost'] = 'Earliest post';
+$string['latestpost'] = 'Most recent post';
 $string['nodetitle'] = 'Summary report';
 $string['pluginname'] = 'Forum summary report';
 $string['postcount'] = 'Number of discussions posted';

mod/forum/report/summary/tests/behat/summary_data_post_dates.feature

@@ -0,0 +1,55 @@
+@mod @mod_forum @forumreport @forumreport_summary
+Feature: Post date columns data available
+  In order to determine users' earliest and most recent forum posts
+  As a teacher
+  I need to view that data in the forum summary report
+
+  Scenario: Add posts and view accurate summary report
+    Given the following "users" exist:
+      | username | firstname | lastname | email                |
+      | teacher1 | Teacher   | 1        | teacher1@example.com |
+      | student1 | Student   | 1        | student1@example.com |
+      | student2 | Student   | 2        | student1@example.com |
+    And the following "courses" exist:
+      | fullname | shortname | category |
+      | Course 1 | C1        | 0        |
+      | Course 2 | C2        | 0        |
+    And the following "course enrolments" exist:
+      | user     | course | role           |
+      | teacher1 | C1     | editingteacher |
+      | student1 | C1     | student        |
+      | student2 | C1     | student        |
+      | teacher1 | C2     | editingteacher |
+    And the following "activities" exist:
+      | activity | name   | description     | course | idnumber |
+      | forum    | forum1 | C1 first forum  | C1     | forum1   |
+      | forum    | forum2 | C1 second forum | C1     | forum2   |
+      | forum    | forum1 | C2 first forum  | C2     | forum1   |
+    And the following forum discussions exist in course "Course 1":
+      | user     | forum  | name        | message         | created                 |
+      | teacher1 | forum1 | discussion1 | t1 earliest     | ##2018-01-02 09:00:00## |
+      | teacher1 | forum1 | discussion2 | t1 between      | ##2018-03-27 10:00:00## |
+      | teacher1 | forum2 | discussion3 | t1 other forum  | ##2018-01-01 11:00:00## |
+      | student1 | forum1 | discussion4 | s1 latest       | ##2019-03-27 13:00:00## |
+      | student2 | forum2 | discussion5 | s2 other forum  | ##2018-03-27 09:00:00## |
+    And the following forum replies exist in course "Course 1":
+      | user     | forum  | discussion  | message         | created                 |
+      | teacher1 | forum1 | discussion1 | t1 between      | ##2018-01-02 10:30:00## |
+      | teacher1 | forum1 | discussion2 | t1 latest       | ##2019-09-01 07:00:00## |
+      | teacher1 | forum2 | discussion3 | t1 other forum  | ##2019-09-12 08:00:00## |
+      | student1 | forum1 | discussion1 | s1 earliest     | ##2019-03-27 04:00:00## |
+      | student2 | forum2 | discussion3 | s2 other forum  | ##2018-03-27 10:00:00## |
+    And the following forum discussions exist in course "Course 2":
+      | user     | forum  | name        | message         | created                 |
+      | teacher1 | forum1 | discussion1 | t1 other course | ##2017-01-01 03:00:00## |
+      | teacher1 | forum1 | discussion2 | t1 other course | ##2019-09-13 23:59:00## |
+    When I log in as "teacher1"
+    And I am on "Course 1" course homepage
+    And I follow "forum1"
+    And I navigate to "Summary report" in current page administration
+    Then "Teacher 1" row "Earliest post" column of "forumreport_summary_table" table should contain "Tuesday, 2 January 2018, 9:00 AM"
+    Then "Teacher 1" row "Most recent post" column of "forumreport_summary_table" table should contain "Sunday, 1 September 2019, 7:00 AM"
+    Then "Student 1" row "Earliest post" column of "forumreport_summary_table" table should contain "Wednesday, 27 March 2019, 4:00 AM"
+    Then "Student 1" row "Most recent post" column of "forumreport_summary_table" table should contain "Wednesday, 27 March 2019, 1:00 PM"
+    Then "Student 2" row "Earliest post" column of "forumreport_summary_table" table should contain "-"
+    Then "Student 2" row "Most recent post" column of "forumreport_summary_table" table should contain "-"