Implement $relatively for formatting dates

1 files changed, 40 insertions, 14 deletions

diff --git a/classes/BusinessAdmin.php b/classes/BusinessAdmin.php
index 83fa4b3..1ea02ae 100644
--- a/classes/BusinessAdmin.php
+++ b/classes/BusinessAdmin.php
@@ -431,32 +431,58 @@ class BusinessAdmin {
 	/**
 	 * Format a date nicely
 	 *
-	 * @todo implement $relatively = true
-	 *
 	 * @param int $timestamp                  The UNIX timestamp to format
 	 * @param bool $with_time                 If false, only the date is returned; if false, also the time
 	 * @param bool $full_date                 If true, a year will be outputted even if the date is in the current year
-	 * @param bool $relatively                Whether or not to show the date relatively (e.g. '1 day ago') (NOT IMPLEMENTED YET)
+	 * @param bool $relatively                Whether or not to show the date relatively (e.g. '1 day ago')
 	 *
 	 * @return string The formatted date
 	 */
 	public static function formatDate($timestamp, $with_time = true, $full_date = false, $relatively = false) {
-		$output = '';
-		if (date('Y', $timestamp) == 1970) {
-			return 'never';
+		if ($relatively) {
+			$delta  = time() - $timestamp;
+			$second = 1;
+			$minute = 60 * $second;
+			$hour   = 60 * $minute;
+			$day    = 24 * $hour;
+			$month  = 30 * $day;
+			$year   = 365 * $day;
+			if ($delta < 2 * $minute)
+				return 'just now';
+			if ($delta < 45 * $minute)
+				return floor($delta / $minute) . ' minutes ago';
+			if ($delta < 90 * $minute)
+				return 'an hour ago';
+			if ($delta < 24 * $hour)
+				return floor($delta / $hour) . ' hours ago';
+			if ($delta < 48 * $hour)
+				return 'yesterday';
+			if ($delta < 30 * $day)
+				return floor($delta / $day) . ' days ago';
+
+			$output = [];
+			$years = floor($delta / $year);
+			if ($years != 0)
+				$output[] = $years == 1 ? 'one year' : $years . ' years';
+			$delta -= $years * $year;
+			$months = floor($delta / $month);
+			if ($months != 0)
+				$output[] = $months == 1 ? 'one month' : $months . ' months';
+			return implode(', ', $output);
 		}
-		if (date('d/m/Y') == date('d/m/Y', $timestamp)) {
+
+		if (date('Y', $timestamp) == 1970)
+			return 'never';
+		if (date('d/m/Y') == date('d/m/Y', $timestamp))
 			return 'today';
-		}
-		if (date('Y') != date('Y', $timestamp) || $full_date) {
+
+		$output = '';
+		if (date('Y') != date('Y', $timestamp) || $full_date)
 			$output .= date('Y-', $timestamp);
-		}
-		if (date('d/m/Y') != date('d/m/Y', $timestamp) || $full_date) {
+		if (date('d/m/Y') != date('d/m/Y', $timestamp) || $full_date)
 			$output .= date('m-d', $timestamp);
-		}
-		if ($with_time) {
+		if ($with_time)
 			$output .= date(' H:i', $timestamp);
-		}
 
 		return $output;
 	}