Adds widget for monthly conferences number

CHANGELOG.md

@@ -15,6 +15,7 @@ All notable changes to this project will be documented in this file.
 ### Added
 - Added collapsible front page widgets
 - Added widgets to conferences, participants and components pages
+- Added front page widget for monthly conferences number
 
 ### Changed
 - MVC design - models(classes folder), views(templates folder) and controllers(pages folder)

public_html/classes/conference.php

@@ -84,6 +84,30 @@ class Conference {
         return $query->fetchAll(PDO::FETCH_ASSOC);
     }
 
+    // number of conferences
+    public function conferencesNumber($from_time, $until_time) {
+
+        // time period drill-down
+        // FIXME make it similar to the bash version
+        if (empty($from_time)) {
+            $from_time = '0000-01-01';
+        }
+        if (empty($until_time)) {
+            $until_time = '9999-12-31';
+        }
+
+        // this is needed for compatibility with the bash version, so we use '%s' placeholders
+        $from_time = htmlspecialchars(strip_tags($from_time));
+        $until_time = htmlspecialchars(strip_tags($until_time));
+        $sql = $this->queries['conferences_number'];
+        $sql = sprintf($sql, $from_time, $until_time);
+
+        $query = $this->db->prepare($sql);
+        $query->execute();
+
+        return $query->fetchAll(PDO::FETCH_ASSOC);
+    }
+
 
 }
 

public_html/classes/queries.php

@@ -4,6 +4,64 @@
 
 return [
 
+    // number of conferences for time period (if given)
+    'conferences_number' => "
+SELECT COUNT(c.conference_id) as conferences
+FROM
+    conferences c
+LEFT JOIN
+    conference_events ce ON c.conference_id = ce.conference_id
+WHERE (ce.time >= '%s 00:00:00' AND ce.time <= '%s 23:59:59')",
+
+
+    // search for a conference by its ID for a time period (if given)
+    'conference_by_id' => "
+SELECT
+    pe.time,
+    c.conference_id,
+    c.conference_name,
+    c.conference_host,
+    pe.loglevel,
+    pe.event_type,
+    p.endpoint_id AS participant_id,
+    pe.event_param
+FROM
+    conferences c
+LEFT JOIN
+    conference_events ce ON c.conference_id = ce.conference_id
+LEFT JOIN
+    participants p ON c.conference_id = p.conference_id
+LEFT JOIN
+    participant_events pe ON p.endpoint_id = pe.participant_id
+WHERE
+    c.conference_id = '%s'
+AND (pe.time >= '%s 00:00:00' AND pe.time <= '%s 23:59:59')
+
+UNION
+
+SELECT
+    ce.time AS event_time,
+    c.conference_id,
+    c.conference_name,
+    c.conference_host,
+    ce.loglevel,
+    ce.conference_event AS event_type,
+    NULL AS participant_id,
+    ce.conference_param AS event_param
+FROM
+    conferences c
+LEFT JOIN
+    conference_events ce ON c.conference_id = ce.conference_id
+WHERE
+    c.conference_id = '%s'
+AND (event_time >= '%s 00:00:00' AND event_time <= '%s 23:59:59')
+
+ORDER BY
+    pe.time;",
+
+
+
+
     // list of conferences for time period (if given)
     // fields: component, duration, conference ID, conference name, number of participants, name count (the conf name is found), conference host
     'conferences_all_formatted' => "

public_html/index.php

@@ -83,27 +83,27 @@ if (in_array($page, $allowed_urls)) {
         setcookie('username', "", time() - 100, $config['folder'], $config['domain'], isset($_SERVER['HTTPS']), true);
 
         $notice = "You were logged out.<br />You can log in again.";
-        include 'templates/header.php';
-        include 'templates/menu.php';
-        include 'templates/message.php';
+        include 'templates/page-header.php';
+        include 'templates/page-menu.php';
+        include 'templates/block-message.php';
         include 'pages/login.php';
 
     // all other normal pages
     } else {
-        include 'templates/header.php';
-        include 'templates/menu.php';
-        include 'templates/message.php';
+        include 'templates/page-header.php';
+        include 'templates/page-menu.php';
+        include 'templates/block-message.php';
         include "pages/{$page}.php";
     }
 
 // the page is not in allowed urls, loading front page
 } else {
-    include 'templates/header.php';
-    include 'templates/menu.php';
-    include 'templates/message.php';
+    include 'templates/page-header.php';
+    include 'templates/page-menu.php';
+    include 'templates/block-message.php';
     include 'pages/front.php';
 }
-include 'templates/footer.php';
+include 'templates/page-footer.php';
 
 // clear errors and notices before next page just in case
 unset($_SESSION['error']);

public_html/pages/components.php

@@ -37,7 +37,7 @@ try {
     $db = new Database($config['jilo_database']);
 } catch (Exception $e) {
     $error = 'Error: ' . $e->getMessage();
-    include 'templates/message.php';
+    include 'templates/block-message.php';
     exit();
 }
 

public_html/pages/conferences.php

@@ -38,7 +38,7 @@ try {
     $db = new Database($config['jilo_database']);
 } catch (Exception $e) {
     $error = 'Error: ' . $e->getMessage();
-    include 'templates/message.php';
+    include 'templates/block-message.php';
     exit();
 }
 

public_html/pages/front.php

@@ -8,7 +8,7 @@ try {
     $db = new Database($config['jilo_database']);
 } catch (Exception $e) {
     $error = 'Error: ' . $e->getMessage();
-    include 'templates/message.php';
+    include 'templates/block-message.php';
     exit();
 }
 
@@ -16,11 +16,67 @@ try {
 // dashboard widget listings
 //
 
-// conferences in last 7 days
-try {
+
+////
+// monthly usage
 $conference = new Conference($db);
 
-    // conferences for last 2 days
+// monthly conferences for the last year
+$fromMonth = (new DateTime())->sub(new DateInterval('P1Y'));
+$fromMonth->modify('first day of this month');
+$thisMonth = new DateTime();
+$from_time = $fromMonth->format('Y-m-d');
+$until_time = $thisMonth->format('Y-m-d');
+
+$widget['table_headers'] = array();
+$widget['table_records'] = array();
+
+// loop 1 year in the past
+while ($fromMonth < $thisMonth) {
+
+    $untilMonth = clone $fromMonth;
+    $untilMonth->modify('last day of this month');
+
+    $search = $conference->conferencesNumber($fromMonth->format('Y-m-d'), $untilMonth->format('Y-m-d'));
+
+    // pretty format for displaying the month in the widget
+    $month = $fromMonth->format('F Y');
+
+    // populate the table
+    array_push($widget['table_headers'], $month);
+    if (isset($search[0]['conferences'])) {
+        array_push($widget['table_records'], $search[0]['conferences']);
+    } else {
+        array_push($widget['table_records'], '0');
+    }
+
+    // move everything one month in future
+    $untilMonth->add(new DateInterval('P1M'));
+    $fromMonth->add(new DateInterval('P1M'));
+}
+
+$time_range_specified = true;
+
+// prepare the widget
+$widget['full'] = false;
+$widget['name'] = 'LastYearMonths';
+$widget['title'] = 'Conferences monthly number for the last year';
+$widget['collapsible'] = true;
+$widget['collapsed'] = false;
+$widget['filter'] = false;
+if (!empty($search)) {
+    $widget['full'] = true;
+}
+
+// display the widget
+include('templates/widget-monthly.php');
+
+
+////
+// conferences in last 2 days
+$conference = new Conference($db);
+
+// time range limit
 $from_time = date('Y-m-d', time() - 60 * 60 * 24 * 2);
 $until_time = date('Y-m-d', time());
 $time_range_specified = true;
@@ -58,12 +114,6 @@ try {
     }
 }
 
-} catch (Exception $e) {
-    $error = 'Error: ' . $e->getMessage();
-    include 'templates/message.php';
-    exit();
-}
-
 // prepare the widget
 $widget['full'] = false;
 $widget['name'] = 'LastDays';
@@ -81,8 +131,8 @@ if (!empty($conferences['records'])) {
 include('templates/widget.php');
 
 
+////
 // last 10 conferences
-try {
 $conference = new Conference($db);
 
 // all time
@@ -130,12 +180,6 @@ try {
     }
 }
 
-} catch (Exception $e) {
-    $error = 'Error: ' . $e->getMessage();
-    include 'templates/message.php';
-    exit();
-}
-
 // prepare the widget
 $widget['full'] = false;
 $widget['name'] = 'LastConferences';

public_html/pages/participants.php

@@ -42,7 +42,7 @@ try {
     $db = new Database($config['jilo_database']);
 } catch (Exception $e) {
     $error = 'Error: ' . $e->getMessage();
-    include 'templates/message.php';
+    include 'templates/block-message.php';
     exit();
 }
 

public_html/pages/register.php

@@ -28,7 +28,7 @@ try {
     $error = $e->getMessage();
 }
 
-include 'templates/message.php';
+include 'templates/block-message.php';
 include 'templates/form-register.php';
 
 ?>

public_html/templates/widget-monthly.php

@@ -0,0 +1,44 @@
+
+<div class="row">
+
+<?php if ($widget['collapsible'] === true) { ?>
+    <a style="text-decoration: none;" data-toggle="collapse" href="#collapse<?= $widget['name'] ?>" role="button" aria-expanded="true" aria-controls="collapse<?= $widget['name'] ?>">
+    <div class="card w-auto bg-light card-body"  style="flex-direction: row;"><?= $widget['title'] ?></div>
+<?php } else { ?>
+    <div class="card w-auto bg-light border-light card-body"  style="flex-direction: row;"><?= $widget['title'] ?></div>
+<?php } ?>
+<?php if ($widget['filter'] === true) {
+    include('templates/block-results-filter.php'); } ?>
+<?php if ($widget['collapsible'] === true) { ?>
+    </a>
+<?php } ?>
+
+</div>
+
+<div class="collapse show" id="collapse<?= $widget['name'] ?>">
+<?php if ($time_range_specified) { ?>
+    <p class="m-3">time period: <strong><?= $from_time ?> - <?= $until_time ?></strong></p>
+<?php } ?>
+    <div class="mb-5">
+<?php if ($widget['full'] === true) { ?>
+        <table class="table table-striped table-hover table-bordered">
+            <thead class="thead-dark">
+                <tr>
+<?php     foreach ($widget['table_headers'] as $header) { ?>
+                    <th scope="col"><?= htmlspecialchars($header) ?></th>
+<?php     } ?>
+                </tr>
+            </thead>
+            <tbody>
+                <tr>
+<?php     foreach ($widget['table_records'] as $row) { ?>
+                    <td><?= htmlspecialchars($row ?? '') ?></td>
+<?php     } ?>
+                </tr>
+            </tbody>
+        </table>
+<?php } else { ?>
+        <p class="m-3">No matching records found.</p>
+<?php } ?>
+    </div>
+</div>

public_html/templates/widget.php

@@ -8,8 +8,7 @@
     <div class="card w-auto bg-light border-light card-body"  style="flex-direction: row;"><?= $widget['title'] ?></div>
 <?php } ?>
 <?php if ($widget['filter'] === true) {
-    include('templates/results-filter.php');
-} ?>
+    include('templates/block-results-filter.php'); } ?>
 <?php if ($widget['collapsible'] === true) { ?>
     </a>
 <?php } ?>