First step of quota and using daemon

models/Event.php

@@ -26,6 +26,32 @@ namespace models;
             return $this->_select('event', ['id_user' => $id_user], 'at', true, $nb_entry);
         }
 
+        /**
+         * Gets events for a type, since a date and eventually until a date (both included)
+         *
+         * @param int $id_user  : User id
+         * @param string $type : Event type we want
+         * @param \DateTime $since : Date to get events since
+         * @param ?\DateTime $until (optional) : Date until wich we want events, if not specified no limit
+         *
+         * @return array
+         */
+        public get_events_by_type_and_date_for_user (int $id_user, string $type, \DateTime $since, ?\DateTime $until = null)
+        {
+            $where = [
+                'id_user' => $id_user,
+                'type' => $type,
+                '>=at' => $since->format('Y-m-d H:i:s'),
+            ];
+
+            if ($until !== null)
+            {
+                $where['<=at' => $until->format('Y-m-d H:i:s')];
+            }
+
+            return $this->_select('event', $where, 'at');
+        }
+
         /**
          * Return table name.
          */

models/Quota.php

@@ -0,0 +1,96 @@
+<?php
+
+/*
+ * This file is part of RaspiSMS.
+ *
+ * (c) Pierre-Lin Bonnemaison <plebwebsas@gmail.com>
+ *
+ * This source file is subject to the GPL-3.0 license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+namespace models;
+
+    class Quota extends StandardModel
+    {
+        /**
+         * Get remaining credit for a date
+         * if no quota for this user return max int
+         * @param int $id_user : User id
+         * @param \DateTime $at : date to get credit at
+         * @return int : number of remaining credits
+         */
+        public function get_remaining_credit (int $id_user, \DateTime $at): int
+        {
+            $query = '
+                SELECT (credit + additional - consumed) AS remaining_credit
+                FROM quota
+                WHERE id_user = :id_user
+                AND start_date <= :at
+                AND end_date > :at';
+
+            $params = [
+                'id_user' => $id_user,
+                'at' => $at->format('Y-m-d H:i:s'),
+            ];
+
+            $result = $this->_run_query($query, $params);
+
+            return ($result[0]['remaining_credit'] ?? PHP_INT_MAX);
+        }
+        
+        /**
+         * Get credit usage percent for a date
+         * if no quota for this user return 0
+         * @param int $id_user : User id
+         * @param \DateTime $at : date to get usage percent at
+         * @return float : percent of used credits
+         */
+        public function get_usage_percentage (int $id_user, \DateTime $at): int
+        {
+            $query = '
+                SELECT (consumed / (credit + additional)) AS usage_percentage
+                FROM quota
+                WHERE id_user = :id_user
+                AND start_date <= :at
+                AND end_date > :at';
+
+            $params = [
+                'id_user' => $id_user,
+                'at' => $at->format('Y-m-d H:i:s'),
+            ];
+
+            $result = $this->_run_query($query, $params);
+
+            return ($result[0]['usage_percentage'] ?? 0);
+        }
+        
+        /**
+         * Consume some credit for a user
+         * @param int $id_user : User id
+         * @param int $quantity : Number of credits to consume
+         * @return bool
+         */
+        public function consume_credit (int $id_user, int $quantity): int
+        {
+            $query = '
+                UPDATE quota
+                SET consumed = consumed + :quantity
+                WHERE id_user = :id_user';
+
+            $params = [
+                'id_user' => $id_user,
+                'quantity' => $quantity,
+            ];
+
+            return (bool) $this->_run_query($query, $params, \descartes\Model::ROWCOUNT);
+        }
+
+        /**
+         * Return table name.
+         */
+        protected function get_table_name(): string
+        {
+            return 'quota';
+        }
+    }

models/Webhook.php

@@ -16,6 +16,9 @@ namespace models;
         const TYPE_SEND_SMS = 'send_sms';
         const TYPE_RECEIVE_SMS = 'receive_sms';
         const TYPE_INBOUND_CALL = 'inbound_call';
+        const TYPE_QUOTA_LEVEL_ALERT = 'quota_level';
+        const TYPE_QUOTA_REACHED = 'quota_reached';
+
 
         /**
          * Find all webhooks for a user and for a type of webhook.