Add page and api for stats about phone sended sms

controllers/internals/Sended.php

@@ -225,6 +225,22 @@ use Exception;
             return $this->get_model()->get_last_for_destination_and_user($id_user, $destination);
         }
 
+        /**
+         * Get number of sended SMS by day and status between two dates, possibly by sending phone.
+         *
+         * @param int       $id_user : user id
+         * @param \DateTime $start_date : Date since which we want the messages
+         * @param \DateTime $end_date : Date until which we want the messages
+         * @param ?int      $id_phone : Id of the phone to search sended for, null by default get all phones
+         *
+         * @return array
+         */
+        public function get_sended_status_stats ($id_user, $start_date, $end_date, ?int $id_phone = null)
+        {
+            return $this->get_model()->get_sended_status_stats($id_user, $start_date, $end_date, $id_phone);
+        }
+        
+
         /**
          * Send a SMS message.
          *

controllers/internals/Tool.php

@@ -168,6 +168,26 @@ use BenMorel\GsmCharsetConverter\Converter;
             return $logo;
         }
 
+        /**
+         * Check if a string is a valid PHP date
+         *
+         * @param string $date   : Datestring to validate
+         *
+         * @return bool : True if a valid date, false else
+         */
+        public static function is_valid_date($date)
+        {
+            try 
+            {
+                new \DateTime($date);
+                return true;
+            }
+            catch (\Exception $e)
+            {
+                return false;
+            }
+        }
+
         /**
          * Cette fonction vérifie une date.
          *