Add more

db/labelmapper.php

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+<?php
+
+namespace OCA\Deck\Db;
+
+use OCP\AppFramework\Db\Entity;
+use OCP\IDb;
+use OCP\AppFramework\Db\Mapper;
+
+
+class LabelMapper extends DeckMapper {
+
+    public function __construct(IDb $db) {
+        parent::__construct($db, 'deck_labels', '\OCA\Deck\Db\Label');
+    }
+
+    public function findAll($boardId, $limit=null, $offset=null) {
+        $sql = 'SELECT * FROM `*PREFIX*deck_labels` WHERE `board_id` = ?';
+        return $this->findEntities($sql, [$boardId], $limit, $offset);
+    }
+
+    public function delete(Entity $entity) {
+        // FIXME: delete linked elements, because owncloud doesn't support foreign keys for apps
+        return parent::delete($entity);
+    }
+
+    public function findAssignedLabelsForCard($cardId) {
+        $sql = 'SELECT * FROM `*PREFIX*deck_assigned_labels` as al JOIN *PREFIX*deck_labels as l ON l.id = al.label_id WHERE `card_id` = ?';
+        return $this->findEntities($sql, [$cardId], $limit, $offset);
+    }
+    public function findAssignedLabelsForBoard($boardId, $limit=null, $offset=null) {
+        $sql = "SELECT c.id as card_id, l.id as id, l.title as title, color FROM oc_deck_cards as c " .
+            "JOIN oc_deck_assigned_labels as al, oc_deck_labels as l ON al.card_id = c.id AND al.label_id = l.id WHERE board_id=?";
+        $entities = $this->findEntities($sql, [$boardId], $limit, $offset);
+        return $entities;
+    }
+
+    public function getAssignedLabelsForBoard($boardId) {
+        $labels = $this->findAssignedLabelsForBoard($boardId);
+        $result = array();
+        foreach ($labels as $label) {
+            if(!is_array($result[$label->getCardId()])) {
+                $result[$label->getCardId()] = array();
+            }
+            $result[$label->getCardId()][] = $label;
+        }
+        return $result;
+    }
+}