update

wp-content/plugins/fluent-smtp/app/Services/Reporting.php

@@ -0,0 +1,156 @@
+<?php
+namespace FluentMail\App\Services;
+
+class Reporting
+{
+    protected static $daily = 'P1D';
+    protected static $weekly = 'P1W';
+    protected static $monthly = 'P1M';
+
+    public function getSendingStats($from, $to)
+    {
+        $period = $this->makeDatePeriod(
+            $from = $this->makeFromDate($from),
+            $to = $this->makeToDate($to),
+            $frequency = $this->getFrequency($from, $to)
+        );
+
+        list($groupBy, $orderBy) = $this->getGroupAndOrder($frequency);
+
+        global $wpdb;
+
+        $tableName = $wpdb->prefix.FLUENT_MAIL_DB_PREFIX.'email_logs';
+
+        $items = $wpdb->get_results($wpdb->prepare(
+            'SELECT COUNT(id) AS count, DATE(created_at) AS date FROM `%1$s` WHERE `created_at` BETWEEN \'%2$s\' AND \'%3$s\' GROUP BY `%4$s` ORDER BY `%5$s` ASC',
+            $tableName,
+            $from->format('Y-m-d'),
+            $to->format('Y-m-d'),
+            $groupBy,
+            $orderBy
+        ));
+
+        return $this->getResult($period, $items);
+    }
+
+    protected function makeDatePeriod($from, $to, $interval = null)
+    {
+        $interval = $interval ?: static::$daily;
+
+        return new \DatePeriod($from, new \DateInterval($interval), $to);
+    }
+
+    protected function makeFromDate($from)
+    {
+        $from = $from ?: '-7 days';
+
+        return new \DateTime($from);
+    }
+
+    protected function makeToDate($to)
+    {
+        $to = $to ? gmdate('Y-m-d', strtotime( $to . " +1 days")) : '+1 days';
+        return new \DateTime($to);
+    }
+
+    protected function getFrequency($from, $to)
+    {
+        $numDays = $to->diff($from)->format("%a");
+
+        if ($numDays > 62 && $numDays <= 181) {
+            return static::$weekly;
+        } else if ($numDays > 181) {
+            return static::$monthly;
+        }
+
+        return static::$daily;
+    }
+
+    protected function getGroupAndOrder($frequency)
+    {
+        $orderBy = $groupBy = 'date';
+
+        if ($frequency == static::$weekly) {
+            $orderBy = $groupBy = 'week';
+        } else if ($frequency == static::$monthly) {
+            $orderBy = $groupBy = 'month';
+        }
+
+        return [$groupBy, $orderBy];
+    }
+
+    protected function prepareSelect($frequency, $dateField = 'created_at')
+    {
+        $select = [
+            fluentMailDb()->raw('COUNT(id) AS count'),
+            fluentMailDb()->raw('DATE('.$dateField.') AS date')
+        ];
+
+        if ($frequency == static::$weekly) {
+            $select[] = fluentMailDb()->raw('WEEK(created_at) week');
+        } else if ($frequency == static::$monthly) {
+            $select[] = fluentMailDb()->raw('MONTH(created_at) month');
+        }
+
+        return $select;
+    }
+
+    protected function getResult($period, $items)
+    {
+        $range = $this->getDateRangeArray($period);
+
+        $formatter = 'basicFormatter';
+
+        if ($this->isMonthly($period)) {
+            $formatter = 'monYearFormatter';
+        }
+
+        foreach ($items as $item) {
+            $date = $this->{$formatter}($item->date);
+            $range[$date] = (int) $item->count;
+        }
+
+        return $range;
+    }
+
+    protected function getDateRangeArray($period)
+    {
+        $range = [];
+
+        $formatter = 'basicFormatter';
+
+        if ($this->isMonthly($period)) {
+            $formatter = 'monYearFormatter';
+        }
+
+        foreach ($period as $date) {
+            $date = $this->{$formatter}($date);
+            $range[$date] = 0;
+        }
+
+        return $range;
+    }
+
+    protected function basicFormatter($date)
+    {
+        if (is_string($date)) {
+            $date = new \DateTime($date);
+        }
+
+        return $date->format('Y-m-d');
+    }
+
+    protected function monYearFormatter($date)
+    {
+        if (is_string($date)) {
+            $date = new \DateTime($date);
+        }
+
+        return $date->format('M Y');
+    }
+
+    protected function isMonthly($period)
+    {
+        return !!$period->getDateInterval()->m;
+    }
+}