improve exports and filters

Export/Aggregator/ActivityTypeAggregator.php

@@ -0,0 +1,157 @@
+<?php
+
+/*
+ * Copyright (C) 2016 Champs-Libres <info@champs-libres.coop>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace Chill\ActivityBundle\Export\Aggregator;
+
+use Symfony\Component\Form\FormBuilderInterface;
+use Doctrine\ORM\QueryBuilder;
+use Chill\MainBundle\Export\AggregatorInterface;
+use Symfony\Component\Security\Core\Role\Role;
+use Chill\ActivityBundle\Security\Authorization\ActivityStatsVoter;
+use Doctrine\ORM\EntityRepository;
+use Chill\MainBundle\Templating\TranslatableStringHelper;
+use Doctrine\ORM\Query\Expr\Join;
+
+/**
+ * 
+ *
+ * @author Julien Fastré <julien.fastre@champs-libres.coop>
+ */
+class ActivityTypeAggregator implements AggregatorInterface
+{
+    
+    /**
+     *
+     * @var EntityRepository
+     */
+    protected $typeRepository;
+    
+    /**
+     *
+     * @var TranslatableStringHelper
+     */
+    protected $stringHelper;
+    
+    const KEY = 'activity_type_aggregator';
+    
+    public function __construct(
+            EntityRepository $typeRepository,
+            TranslatableStringHelper $stringHelper
+    ) {
+        $this->typeRepository     = $typeRepository;
+        $this->stringHelper       = $stringHelper;
+    }
+    
+    public function alterQuery(QueryBuilder $qb, $data)
+    {
+        // add select element    
+        $qb->addSelect(sprintf('IDENTITY(activity.type) AS %s', self::KEY));
+        
+        // make a jointure only if needed
+        /*$join = $qb->getDQLPart('join');
+        if (
+            (array_key_exists('activity', $join)
+            &&
+            !$this->checkJoinAlreadyDefined($join['activity'], 'reasons')
+            )
+            OR
+            (! array_key_exists('activity', $join))
+        ) {
+            $qb->add(
+                    'join', 
+                    array('activity' => 
+                        new Join(Join::INNER_JOIN, 'activity.reasons', 'reasons')
+                        ), 
+                    true);
+        }
+        
+        // join category if necessary
+        if ($alias === 'activity_categories_id') {
+            // add join only if needed
+            if (!$this->checkJoinAlreadyDefined($qb->getDQLPart('join')['activity'], 'category')) {
+                $qb->join('reasons.category', 'category');
+            }
+        }*/
+        
+        // add the "group by" part
+        $groupBy = $qb->addGroupBy(self::KEY);
+    }
+    
+    /**
+     * Check if a join between Activity and another alias
+     * 
+     * @param Join[] $joins
+     * @param string $alias the alias to search for
+     * @return boolean
+     */
+    private function checkJoinAlreadyDefined(array $joins, $alias)
+    {
+        foreach ($joins as $join) {
+            if ($join->getAlias() === $alias) {
+                return true;
+            }
+        }
+        
+        return false;
+    }
+
+    public function applyOn()
+    {
+        return 'activity';
+    }
+
+    public function buildForm(FormBuilderInterface $builder)
+    {
+        // no form required for this aggregator
+    }
+
+    public function getTitle()
+    {
+        return "Aggregate by activity type";
+    }
+    
+    public function addRole()
+    {
+        return new Role(ActivityStatsVoter::STATS);
+    }
+
+    public function getLabels($key, array $values, $data)
+    {
+        // for performance reason, we load data from db only once
+        $this->typeRepository->findBy(array('id' => $values));
+        
+        return function($value) use ($data) {
+            if ($value === '_header') {
+                return 'Activity type';
+            }
+
+            /* @var $r \Chill\ActivityBundle\Entity\ActivityType */
+            $t = $this->typeRepository->find($value);
+
+            return $this->stringHelper->localize($t->getName());
+        };
+        
+    }
+
+    public function getQueryKeys($data)
+    {
+        return array(self::KEY);
+    }
+
+}

Export/Export/StatActivityDuration.php

@@ -0,0 +1,159 @@
+<?php
+
+/*
+ * Copyright (C) 2015 Champs-Libres <info@champs-libres.coop>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace Chill\ActivityBundle\Export\Export;
+
+use Chill\MainBundle\Export\ExportInterface;
+use Doctrine\ORM\QueryBuilder;
+use Symfony\Component\Security\Core\Role\Role;
+use Doctrine\ORM\Query;
+use Chill\ActivityBundle\Security\Authorization\ActivityStatsVoter;
+use Doctrine\ORM\EntityManagerInterface;
+
+/**
+ * This export allow to compute stats on activity duration.
+ * 
+ * The desired stat must be given in constructor.
+ *
+ *
+ * @author Julien Fastré <julien.fastre@champs-libres.coop>
+ */
+class StatActivityDuration implements ExportInterface
+{
+    /**
+     *
+     * @var EntityManagerInterface
+     */
+    protected $entityManager;
+    
+    const SUM = 'sum';
+    
+    /**
+     * The action for this report.
+     *
+     * @var string
+     */
+    protected $action;
+    
+    /**
+     * constructor
+     * 
+     * @param EntityManagerInterface $em
+     * @param string $action the stat to perform
+     */
+    public function __construct(
+            EntityManagerInterface $em,
+            $action = 'sum'
+            )
+    {
+        $this->entityManager = $em;
+        $this->action = $action;
+    }
+    
+    public function buildForm(\Symfony\Component\Form\FormBuilderInterface $builder)
+    {
+        
+    }
+
+    public function getDescription()
+    {
+        if ($this->action === self::SUM) {
+            return "Sum activities duration by various parameters.";
+        }
+    }
+
+    public function getTitle()
+    {
+        if ($this->action === self::SUM) {
+            return "Sum activity duration";
+        }
+        
+    }
+
+    public function getType()
+    {
+        return 'activity';
+    }
+
+    public function initiateQuery(array $requiredModifiers,  array $acl, array $data = array())
+    {
+        $centers = array_map(function($el) { return $el['center']; }, $acl);
+        $qb = $this->entityManager->createQueryBuilder();
+        
+        if ($this->action === self::SUM) {
+            $select = "SUM(activity.durationTime) AS export_stat_activity";
+        }
+        
+        $qb->select($select)
+                ->from('ChillActivityBundle:Activity', 'activity')
+                ->join('activity.person',  'person')
+                ->join('person.center', 'center')
+                ->where($qb->expr()->in('center', ':centers'))
+                ->setParameter(':centers', $centers)
+                ;
+        
+        return $qb;
+    }
+    
+    public function supportsModifiers()
+    {
+        return array('person', 'activity');
+    }
+    
+    public function requiredRole()
+    {
+        return new Role(ActivityStatsVoter::STATS);
+    }
+
+    public function getAllowedFormattersTypes()
+    {
+        return array(\Chill\MainBundle\Export\FormatterInterface::TYPE_TABULAR);
+    }
+
+    public function getLabels($key, array $values, $data)
+    {
+        if ($key !== 'export_stat_activity') {
+            throw new \LogicException("the key $key is not used by this export");
+        }
+        
+        switch ($this->action) {
+            case self::SUM:
+                $header = "Sum of activities  duration";
+        }
+        
+        return function($value) use ($header) {
+            return $value === '_header' ? 
+                    $header
+                    :
+                    $value
+                    ;
+        };
+    }
+
+    public function getQueryKeys($data)
+    {
+        return array('export_stat_activity');
+    }
+
+    public function getResult($qb, $data)
+    {
+        return $qb->getQuery()->getResult(Query::HYDRATE_SCALAR);
+    }
+
+}