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Jany-M/wp_weekly_cal.php

Created August 12, 2016 14:45
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[WP] Custom WordPress weekly dynamic calendar, with custom post types, custom date fields and caching
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wp_weekly_cal.php
<div id="calendar">
<?php
// Dates
$year = date('Y');
$first_month_this_year_ts = mktime(0, 0, 0, date("F", strtotime('first month of this year')) + 1, date('d'), date('Y')); // timestamp
$today = date("j F Y", strtotime('today')); // human date
$today_ts = strtotime('today'); // timestamp
$today_day_of_year = date("z", $today_ts);// int
// Calculate number of weeks in a year
function num_weeks_in_year($year) {
$daySum = 0;
for ($x = 1; $x <= 12; $x++)
$daySum += cal_days_in_month(CAL_GREGORIAN, $x, $year);
return $daySum / 7; // int
}
$num_weeks_in_year_int = substr(num_weeks_in_year($year), 0, 2); // 52
$current_week_n = idate('W', mktime(0, 0, 0, date('m'), date('d'), date('Y'))); // 28
// Returns the "adjusted" number of weeks in a month, for the weekly view (some months will have 5 weeks since months dont always start on a Monday)
function total_weeks_in_month($year, $month, $start_day_of_week) {
// Total number of days in the given month.
$num_of_days = date("t", mktime(0,0,0,$month,1,$year));
// Count the number of times it hits $start_day_of_week.
$num_of_weeks = 0;
for($i=1; $i<=$num_of_days; $i++) {
$day_of_week = date('w', mktime(0,0,0,$month,$i,$year));
if($day_of_week==$start_day_of_week)
$num_of_weeks++;
}
return $num_of_weeks;
}
?>
<div class="calendar">
<div class="calendarMonthWrap">
<!-- Months -->
<div class="calendarMonth">
<?php
// Get all months of the year
$first_month_this_year_monthloop_ts = $first_month_this_year_ts;
for ($m = 1; $m <= 12; $m++) {
// How many "adjusted" weeks this months? end and beginning of 2 months could be in the same week view
$total_weeks = total_weeks_in_month($year, $m,0);
$month = strftime('%B', $first_month_this_year_monthloop_ts);
$first_month_this_year_monthloop_ts = strtotime('+1 month', $first_month_this_year_monthloop_ts);
// Current Month Class
if ($m == 0) {
$month_class = 'first';
} elseif ($m == 11) {
$month_class = 'last';
} elseif ($month == date("F", strtotime('today'))) {
$month_class = 'active-month';
} else {
$month_class = '';
}
echo '<div class="month ' . $month_class . '">' . date_i18n("F", strtotime($month)) . ' <strong>' . date('Y') . '</strong>';
?>
<!-- Weeks -->
<div class="weekWrap">
<div class="calendarWeek">
<?php
// Get all weeks of the year
$first_day_of_month = new DateTime('first day of ' . date("F", strtotime($month)) . ' ' . date('Y'));
// Since the first day may not be a Monday, let's find the monday right before the first month day
$first_day_of_month_ts = strtotime($first_day_of_month->format('j F Y'));
for ($w = 0; $w < $total_weeks; $w++) {
// We need this value to update as we loop
if($w != 0 ){
$first_day_of_month_ts = strtotime('+1 week', $first_day_of_month_ts);
} else {
$first_day_of_month_ts = strtotime('+0 week', $first_day_of_month_ts);
}
// Week div classes
$week_of_day_class = '';
$week_active = '';
if ($w == 0) {
$week_of_day_class = ' first_week_of_month ';
$week_active = '';
} elseif (($w + 1) == $total_weeks) {
$week_of_day_class = ' last_week_of_month ';
$week_active = '';
}
if (($w + 1) == ceil( date( 'j', strtotime( 'today' ) ) / 7 ) && date("F", strtotime('today')) == $month) {
$week_active = ' weeksActive';
} elseif ($w == 0 && date("F", strtotime('today')) != $month) {
}
// Start Week block
echo '<div class="weeks w' . ($w + 1) . $week_of_day_class . $week_active . '">';
echo '<table border="0" cellpadding="5" cellspacing="0">';
// Get week days first letter
echo '<tr id="week" class="day">';
for ($d = 0; $d < 7; $d++) {
$day_long_ts = strtotime('monday +' . $d . ' day this week ' . date('Y-m-d', $first_day_of_month_ts));
$day_long = date_i18n("D", $day_long_ts);
$day = $day_long[0];
// Current Day Class
$day_of_the_year = date("z", $day_long_ts);
if ($today_day_of_year == $day_of_the_year) {
$current_class = ' current';
} else {
$current_class = '';
}
echo '<td class="d' . $day_of_the_year . $current_class . '">' . $day . '</td>';
}
echo '</tr>';
// Get week day number
echo '<tr id="day" class="day">';
for ($d = 0; $d < 7; $d++) {
$dayn_ts = strtotime('monday +' . $d . ' day this week ' . date('Y-m-d', $first_day_of_month_ts));
$dayn = date_i18n("j", $dayn_ts);
// Current Day N Class
$day_of_the_year = date("z", $dayn_ts);
if ($today_day_of_year == $day_of_the_year) {
$current_class = ' current';
} else {
$current_class = '';
}
echo '<td class="d' . $day_of_the_year . $current_class . '">' . $dayn . '</td>';
}
echo '</tr>';
// Get calendar Events
echo '<tr class="C-event">';
for ($d = 0; $d < 7; $d++) {
$weekday_ts = strtotime('monday +' . $d . ' day this week ' . date('Y-m-d', $first_day_of_month_ts));
$day_of_the_year = date("z", $weekday_ts);
$beginning_of_day = strtotime("midnight", $weekday_ts);
$end_of_day = strtotime("tomorrow", $beginning_of_day) - 1;
// Check if values are cached, if not cache them
$events_today = 'custom_weekly_cal_' . date('j', $weekday_ts) . date('F', $weekday_ts) . date('Y', $weekday_ts) . '_6h';
//delete_transient($events_today);
if (get_transient($events_today) === false) {
// Get posts for each day
$loop_news = new WP_Query(array(
'posts_per_page' => 1,
'post_type' => 'post',
'meta_query' => array(
array(
'key' => 'wpcf-data_inizio', // custom field with event start timestamp
'value' => array($beginning_of_day, $end_of_day),
'compare' => 'BETWEEN',
'type' => 'numeric'
),
)
));
// Get events for each day
$loop_events = new WP_Query(array(
'posts_per_page' => 1,
'post_type' => 'evento',
'meta_query' => array(
array(
'key' => 'wpcf-data_inizio',
'value' => array($beginning_of_day, $end_of_day),
'compare' => 'BETWEEN',
'type' => 'numeric'
),
)
));
// Get corsi for each day
$loop_corsi = new WP_Query(array(
'posts_per_page' => 1,
'post_type' => 'corso',
'meta_query' => array(
array(
'key' => 'wpcf-data_inizio',
'value' => array($beginning_of_day, $end_of_day),
'compare' => 'BETWEEN',
'type' => 'numeric'
),
)
));
// Final Query
$final_query = new WP_Query();
// Merging queries
$final_query->posts = array_merge($loop_news->posts, $loop_events->posts, $loop_corsi->posts);
// Recount
$final_query->post_count = count($final_query->posts);
// Cache Results
set_transient($events_today, $final_query, 6 * HOUR_IN_SECONDS);
}
$final_query = get_transient($events_today);
$post_count = $final_query->post_count;
// Convert number into letters
if ($post_count > 0) {
$f = new NumberFormatter("en", NumberFormatter::SPELLOUT);
$num_events = $f->format($post_count) . 'Event';
} else {
$num_events = '';
}
// Current Event Class
if ($today_ts == $weekday_ts) {
$current_class = ' current';
} else {
$current_class = '';
}
// Event dots wrapper
echo '<td class="' . $num_events . ' d' . $day_of_the_year . ' ' . $current_class . '">';
if ($post_count > 0) {
if ($final_query->have_posts()) :
while ($final_query->have_posts()) : $final_query->the_post();
$post_type = get_post_type();
// Colore
if ($post_type == 'post') {
$post_color_class = CLASS_CALENDAR_POST;
$post_data_class = DATA_CALENDAR_POST;
} elseif ($post_type == 'evento') {
$post_color_class = CLASS_CALENDAR_EVENTO;
$post_data_class = DATA_CALENDAR_EVENTO;
} elseif ($post_type == 'corso') {
$post_color_class = CLASS_CALENDAR_CORSO;
$post_data_class = DATA_CALENDAR_CORSO;
} elseif ($post_type == 'prenotazione') {
$post_color_class = CLASS_CALENDAR_PRENOTAZIONE;
$post_data_class = DATA_CALENDAR_PRENOTAZIONE;
} else {
$post_color_class = '';
$post_data_class = '';
}
echo '<span data-Name="' . get_the_title() . '" data-eventcolor="' . $post_data_class . '" class="eventCricle ' . $post_color_class . '"></span>';
endwhile;
endif; wp_reset_query(); wp_reset_postdata();
}
echo '</td>';
} // end of daily Events
echo '</tr>';
?>
<?php
// End of Week Block
echo '</table></div>';
}
?>
</div>
</div>
<?php
echo '</div>';
}
?>
</div>
<!-- Calendar Navigation -->
<div class="prev month-nav"><i class="fa fa-angle-double-left" aria-hidden="true"></i></div>
<div class="next month-nav"><i class="fa fa-angle-double-right" aria-hidden="true"></i></div>
<div class="prev week-nav"><i class="fa fa-angle-double-left" aria-hidden="true"></i></div>
<div class="next week-nav"><i class="fa fa-angle-double-right" aria-hidden="true"></i></div>
</div>
</div>
<!-- Title of events / placeholder -->
<div class="bottomtext">
<?php
// Placeholder Events for today
$placeholder_query = get_transient('custom_weekly_cal_' . date('j') . date('F') . date('Y') . '_6h');
if ($placeholder_query) {
if ($placeholder_query->have_posts()) : while ($placeholder_query->have_posts()) : $placeholder_query->the_post();
the_title();
endwhile;
endif; wp_reset_query(); wp_reset_postdata();
}
?>
</div>
</div>
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