split shift calendar renderer into different classes

1 files changed, 171 insertions, 0 deletions

diff --git a/includes/view/ShiftCalendarShiftRenderer.php b/includes/view/ShiftCalendarShiftRenderer.php
new file mode 100644
index 00000000..ee6ebcf0
--- /dev/null
+++ b/includes/view/ShiftCalendarShiftRenderer.php
@@ -0,0 +1,171 @@
+<?php
+
+namespace Engelsystem;
+
+/**
+ * Renders a single shift for the shift calendar
+ */
+class ShiftCalendarShiftRenderer {
+
+  /**
+   * Renders a shift
+   *
+   * @param Shift $shift
+   *          The shift to render
+   */
+  public function render($shift) {
+    global $privileges;
+    
+    $collides = $this->collides();
+    $is_free = false;
+    $shifts_row = '';
+    $info_text = "";
+    if ($shift['title'] != '') {
+      $info_text = glyph('info-sign') . $shift['title'] . '<br>';
+    }
+    
+    $angeltypes = NeededAngelTypes_by_shift($shift['SID']);
+    foreach ($angeltypes as $angeltype) {
+      $shifts_row .= $this->renderShiftNeededAngeltype($shift, $angeltype, $collides);
+    }
+    if (in_array('user_shifts_admin', $privileges)) {
+      $shifts_row .= '<li class="list-group-item">' . button(page_link_to('user_shifts') . '&amp;shift_id=' . $shift['SID'] . '&amp;type_id=' . $angeltype['id'], _("Add more angels"), 'btn-xs') . '</li>';
+    }
+    if ($shifts_row != '') {
+      $shifts_row = '<ul class="list-group">' . $shifts_row . '</ul>';
+    }
+    if (isset($shift['own']) && $shift['own'] && ! in_array('user_shifts_admin', $privileges)) {
+      $class = 'primary';
+    } elseif ($collides && ! in_array('user_shifts_admin', $privileges)) {
+      $class = 'default';
+    } elseif ($is_free) {
+      $class = 'danger';
+    } else {
+      $class = 'success';
+    }
+    
+    $blocks = ceil(($shift["end"] - $shift["start"]) / ShiftCalendarRenderer::SECONDS_PER_ROW);
+    if ($blocks < 1) {
+      $blocks = 1;
+    }
+    return [
+        $blocks,
+        '<td class="shift" rowspan="' . $blocks . '">' . div('shift panel panel-' . $class . '" style="height: ' . ($blocks * ShiftCalendarRenderer::BLOCK_HEIGHT - ShiftCalendarRenderer::MARGIN) . 'px"', [
+            $this->renderShiftHead($shift),
+            div('panel-body', [
+                $info_text,
+                Room_name_render([
+                    'RID' => $shift['RID'],
+                    'Name' => $shift['room_name'] 
+                ]) 
+            ]),
+            $shifts_row,
+            div('shift-spacer') 
+        ]) . '</td>' 
+    ];
+  }
+
+  /**
+   * Renders a list entry containing the needed angels for an angeltype
+   *
+   * @param Shift $shift
+   *          The shift which is rendered
+   * @param Angeltype $angeltype
+   *          The angeltype, containing informations about needed angeltypes and already signed up angels
+   * @param boolean $collides
+   *          true if the shift collides with the users shifts
+   */
+  private function renderShiftNeededAngeltype($shift, $angeltype, $collides) {
+    global $privileges;
+    
+    $entry_list = [];
+    $freeloader = 0;
+    foreach ($angeltype['shift_entries'] as $entry) {
+      $style = '';
+      if ($entry['freeloaded']) {
+        $freeloader ++;
+        $style = " text-decoration: line-through;";
+      }
+      $entry_list[] = "<span style=\"$style\">" . User_Nick_render(User($entry['UID'])) . "</span>";
+    }
+    if ($angeltype['count'] - count($angeltype['shift_entries']) - $freeloader > 0) {
+      $inner_text = sprintf(ngettext("%d helper needed", "%d helpers needed", $angeltype['count'] - count($angeltype['shift_entries'])), $angeltype['count'] - count($angeltype['shift_entries']));
+      // is the shift still running or alternatively is the user shift admin?
+      $user_may_join_shift = true;
+      
+      // you cannot join if user alread joined a parallel or this shift
+      $user_may_join_shift &= ! $collides;
+      
+      // you cannot join if user is not of this angel type
+      $user_may_join_shift &= isset($angeltype['user_id']);
+      
+      // you cannot join if you are not confirmed
+      if ($angeltype['restricted'] == 1 && isset($angeltype['user_id'])) {
+        $user_may_join_shift &= isset($angeltype['confirm_user_id']);
+      }
+      
+      // you can only join if the shift is in future or running
+      $user_may_join_shift &= time() < $shift['start'];
+      
+      // User shift admins may join anybody in every shift
+      $user_may_join_shift |= in_array('user_shifts_admin', $privileges);
+      if ($user_may_join_shift) {
+        $entry_list[] = '<a href="' . page_link_to('user_shifts') . '&amp;shift_id=' . $shift['SID'] . '&amp;type_id=' . $angeltype['id'] . '">' . $inner_text . '</a> ' . button(page_link_to('user_shifts') . '&amp;shift_id=' . $shift['SID'] . '&amp;type_id=' . $angeltype['id'], _('Sign up'), 'btn-xs btn-primary');
+      } else {
+        if (time() > $shift['start']) {
+          $entry_list[] = $inner_text . ' (' . _('ended') . ')';
+        } elseif ($angeltype['restricted'] == 1 && isset($angeltype['user_id']) && ! isset($angeltype['confirm_user_id'])) {
+          $entry_list[] = $inner_text . glyph('lock');
+        } elseif ($angeltype['restricted'] == 1) {
+          $entry_list[] = $inner_text;
+        } elseif ($collides) {
+          $entry_list[] = $inner_text;
+        } else {
+          $entry_list[] = $inner_text . '<br />' . button(page_link_to('user_angeltypes') . '&action=add&angeltype_id=' . $angeltype['id'], sprintf(_('Become %s'), $angeltype['name']), 'btn-xs');
+        }
+      }
+      
+      unset($inner_text);
+      $is_free = true;
+    }
+    
+    $shifts_row = '<li class="list-group-item">';
+    $shifts_row .= '<strong>' . AngelType_name_render($angeltype) . ':</strong> ';
+    $shifts_row .= join(", ", $entry_list);
+    $shifts_row .= '</li>';
+    return $shifts_row;
+  }
+
+  /**
+   * Renders the shift header
+   *
+   * @param Shift $shift
+   *          The shift
+   */
+  private function renderShiftHead($shift) {
+    global $privileges;
+    
+    $header_buttons = "";
+    if (in_array('admin_shifts', $privileges)) {
+      $header_buttons = '<div class="pull-right">' . table_buttons([
+          button(page_link_to('user_shifts') . '&edit_shift=' . $shift['SID'], glyph('edit'), 'btn-xs'),
+          button(page_link_to('user_shifts') . '&delete_shift=' . $shift['SID'], glyph('trash'), 'btn-xs') 
+      ]) . '</div>';
+    }
+    $shift_heading = date('H:i', $shift['start']) . ' &dash; ' . date('H:i', $shift['end']) . ' &mdash; ' . ShiftType($shift['shifttype_id'])['name'];
+    return div('panel-heading', [
+        '<a href="' . shift_link($shift) . '">' . $shift_heading . '</a>',
+        $header_buttons 
+    ]);
+  }
+
+  /**
+   * Does the shift collide with the user's shifts
+   */
+  private function collides() {
+    // TODO
+    return false;
+  }
+}
+
+?>
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