2 files changed, 150 insertions, 0 deletions
diff --git a/app/Helper/CalendarHelper.php b/app/Helper/CalendarHelper.php
new file mode 100644
index 00000000..d5f4af21
--- /dev/null
+++ b/app/Helper/CalendarHelper.php
@@ -0,0 +1,112 @@
+<?php
+
+namespace Kanboard\Helper;
+
+use Kanboard\Core\Base;
+use Kanboard\Core\Filter\QueryBuilder;
+use Kanboard\Filter\TaskDueDateRangeFilter;
+use Kanboard\Formatter\SubtaskTimeTrackingCalendarFormatter;
+use Kanboard\Formatter\TaskCalendarFormatter;
+
+/**
+ * Calendar Helper
+ *
+ * @package helper
+ * @author  Frederic Guillot
+ */
+class CalendarHelper extends Base
+{
+    /**
+     * Get formatted calendar task due events
+     *
+     * @access public
+     * @param  QueryBuilder       $queryBuilder
+     * @param  string             $start
+     * @param  string             $end
+     * @return array
+     */
+    public function getTaskDateDueEvents(QueryBuilder $queryBuilder, $start, $end)
+    {
+        $formatter = new TaskCalendarFormatter($this->container);
+        $formatter->setFullDay();
+        $formatter->setColumns('date_due');
+
+        return $queryBuilder
+            ->withFilter(new TaskDueDateRangeFilter(array($start, $end)))
+            ->format($formatter);
+    }
+
+    /**
+     * Get formatted calendar task events
+     *
+     * @access public
+     * @param  QueryBuilder       $queryBuilder
+     * @param  string             $start
+     * @param  string             $end
+     * @return array
+     */
+    public function getTaskEvents(QueryBuilder $queryBuilder, $start, $end)
+    {
+        $startColumn = $this->config->get('calendar_project_tasks', 'date_started');
+
+        $queryBuilder->getQuery()->addCondition($this->getCalendarCondition(
+            $this->dateParser->getTimestampFromIsoFormat($start),
+            $this->dateParser->getTimestampFromIsoFormat($end),
+            $startColumn,
+            'date_due'
+        ));
+
+        $formatter = new TaskCalendarFormatter($this->container);
+        $formatter->setColumns($startColumn, 'date_due');
+
+        return $queryBuilder->format($formatter);
+    }
+
+    /**
+     * Get formatted calendar subtask time tracking events
+     *
+     * @access public
+     * @param  integer $user_id
+     * @param  string  $start
+     * @param  string  $end
+     * @return array
+     */
+    public function getSubtaskTimeTrackingEvents($user_id, $start, $end)
+    {
+        $formatter = new SubtaskTimeTrackingCalendarFormatter($this->container);
+        return $formatter
+            ->withQuery($this->subtaskTimeTracking->getUserQuery($user_id)
+                ->addCondition($this->getCalendarCondition(
+                    $this->dateParser->getTimestampFromIsoFormat($start),
+                    $this->dateParser->getTimestampFromIsoFormat($end),
+                    'start',
+                    'end'
+                ))
+            )
+            ->format();
+    }
+
+    /**
+     * Build SQL condition for a given time range
+     *
+     * @access public
+     * @param  string   $start_time     Start timestamp
+     * @param  string   $end_time       End timestamp
+     * @param  string   $start_column   Start column name
+     * @param  string   $end_column     End column name
+     * @return string
+     */
+    public function getCalendarCondition($start_time, $end_time, $start_column, $end_column)
+    {
+        $start_column = $this->db->escapeIdentifier($start_column);
+        $end_column = $this->db->escapeIdentifier($end_column);
+
+        $conditions = array(
+            "($start_column >= '$start_time' AND $start_column <= '$end_time')",
+            "($start_column <= '$start_time' AND $end_column >= '$start_time')",
+            "($start_column <= '$start_time' AND ($end_column = '0' OR $end_column IS NULL))",
+        );
+
+        return $start_column.' IS NOT NULL AND '.$start_column.' > 0 AND ('.implode(' OR ', $conditions).')';
+    }
+}
diff --git a/app/Helper/ICalHelper.php b/app/Helper/ICalHelper.php
new file mode 100644
index 00000000..dc399bf8
--- /dev/null
+++ b/app/Helper/ICalHelper.php
@@ -0,0 +1,38 @@
+<?php
+
+namespace Kanboard\Helper;
+
+use Kanboard\Core\Base;
+use Kanboard\Core\Filter\QueryBuilder;
+use Kanboard\Filter\TaskDueDateRangeFilter;
+use Kanboard\Formatter\TaskICalFormatter;
+use Eluceo\iCal\Component\Calendar as iCalendar;
+
+/**
+ * ICal Helper
+ *
+ * @package helper
+ * @author  Frederic Guillot
+ */
+class ICalHelper extends Base
+{
+    /**
+     * Get formatted calendar task due events
+     *
+     * @access public
+     * @param  QueryBuilder  $queryBuilder
+     * @param  iCalendar     $calendar
+     * @param  string        $start
+     * @param  string        $end
+     */
+    public function addTaskDateDueEvents(QueryBuilder $queryBuilder, iCalendar $calendar, $start, $end)
+    {
+        $queryBuilder->withFilter(new TaskDueDateRangeFilter(array($start, $end)));
+
+        $formatter = new TaskICalFormatter($this->container);
+        $formatter->setColumns('date_due');
+        $formatter->setCalendar($calendar);
+        $formatter->withQuery($queryBuilder->getQuery());
+        $formatter->addFullDayEvents();
+    }
+}