introduce ShiftsFilter

1 files changed, 63 insertions, 2 deletions

diff --git a/includes/model/Shifts_model.php b/includes/model/Shifts_model.php
index a827c6b5..b83d1a00 100644
--- a/includes/model/Shifts_model.php
+++ b/includes/model/Shifts_model.php
@@ -1,9 +1,70 @@
 <?php
+use Engelsystem\ShiftsFilter;
+
+function Shifts_by_ShiftsFilter(ShiftsFilter $shiftsFilter, $user) {
+  $SQL = "SELECT DISTINCT `Shifts`.*, `ShiftTypes`.`name`, `Room`.`Name` as `room_name`, nat2.`special_needs` > 0 AS 'has_special_needs'
+  FROM `Shifts`
+  INNER JOIN `Room` USING (`RID`)
+  INNER JOIN `ShiftTypes` ON (`ShiftTypes`.`id` = `Shifts`.`shifttype_id`)
+  LEFT JOIN (
+      SELECT COUNT(*) AS special_needs , nat3.`shift_id` 
+      FROM `NeededAngelTypes` AS nat3 
+      WHERE `shift_id` IS NOT NULL 
+      GROUP BY nat3.`shift_id`
+  ) AS nat2 ON nat2.`shift_id` = `Shifts`.`SID`
+  INNER JOIN `NeededAngelTypes` AS nat 
+      ON nat.`count` != 0 
+      AND nat.`angel_type_id` IN (" . implode(',', $shiftsFilter->getTypes()) . ") 
+      AND (
+          (nat2.`special_needs` > 0 AND nat.`shift_id` = `Shifts`.`SID`) 
+          OR 
+          (
+              (nat2.`special_needs` = 0 OR nat2.`special_needs` IS NULL) 
+              AND nat.`room_id` = `RID`)
+          )
+  LEFT JOIN (
+      SELECT se.`SID`, se.`TID`, COUNT(*) as count 
+      FROM `ShiftEntry` AS se GROUP BY se.`SID`, se.`TID`
+  ) AS entries ON entries.`SID` = `Shifts`.`SID` AND entries.`TID` = nat.`angel_type_id`
+  WHERE `Shifts`.`RID` IN (" . implode(',', $shiftsFilter->getRooms()) . ")
+  AND `start` BETWEEN " . $shiftsFilter->getStartTime() . " AND " . $shiftsFilter->getEndTime();
+  
+  if (count($shiftsFilter->getFilled()) == 1) {
+    if ($shiftsFilter->getFilled()[0] == ShiftsFilter::FILLED_FREE) {
+      $SQL .= "
+      AND (
+          nat.`count` > entries.`count` OR entries.`count` IS NULL 
+          OR EXISTS (
+              SELECT `SID` 
+              FROM `ShiftEntry` 
+              WHERE `UID` = '" . sql_escape($user['UID']) . "' 
+              AND `ShiftEntry`.`SID` = `Shifts`.`SID`
+          )
+      )";
+    } elseif ($_SESSION['user_shifts']['filled'][0] == 1) {
+      $SQL .= "
+      AND (
+          nat.`count` <= entries.`count` 
+          OR EXISTS (
+              SELECT `SID` 
+              FROM `ShiftEntry` 
+              WHERE `UID` = '" . sql_escape($user['UID']) . "' 
+              AND `ShiftEntry`.`SID` = `Shifts`.`SID`
+          )
+      )";
+    }
+  }
+  $SQL .= "
+  ORDER BY `start`";
+  
+  return sql_select($SQL);
+}
 
 /**
  * Check if a shift collides with other shifts (in time).
- * @param Shift $shift
- * @param array<Shift> $shifts
+ *
+ * @param Shift $shift          
+ * @param array<Shift> $shifts          
  */
 function Shift_collides($shift, $shifts) {
   foreach ($shifts as $other_shift) {