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app/Filter/BaseComparisonFilter.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace Kanboard\Filter;
+
+/**
+ * Base comparison filter class
+ *
+ * @package filter
+ */
+abstract class BaseComparisonFilter extends BaseFilter
+{
+    /**
+     * Parse operator in the input string
+     *
+     * @access protected
+     * @return string
+     */
+    protected function parseOperator()
+    {
+        $operators = array(
+            '<=' => 'lte',
+            '>=' => 'gte',
+            '<' => 'lt',
+            '>' => 'gt',
+        );
+
+        foreach ($operators as $operator => $method) {
+            if (strpos($this->value, $operator) === 0) {
+                $this->value = substr($this->value, strlen($operator));
+                return $method;
+            }
+        }
+
+        return 'eq';
+    }
+
+    /**
+     * Apply a comparison filter
+     *
+     * @access protected
+     * @param  string $field
+     */
+    protected function applyComparisonFilter($field)
+    {
+        $method = $this->parseOperator();
+        $this->query->$method($field, $this->value);
+    }
+}

app/Filter/BaseDateFilter.php

@@ -0,0 +1,103 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\DateParser;
+
+/**
+ * Base date filter class
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+abstract class BaseDateFilter extends BaseFilter
+{
+    /**
+     * DateParser object
+     *
+     * @access protected
+     * @var DateParser
+     */
+    protected $dateParser;
+
+    /**
+     * Set DateParser object
+     *
+     * @access public
+     * @param  DateParser $dateParser
+     * @return $this
+     */
+    public function setDateParser(DateParser $dateParser)
+    {
+        $this->dateParser = $dateParser;
+        return $this;
+    }
+
+    /**
+     * Parse operator in the input string
+     *
+     * @access protected
+     * @return string
+     */
+    protected function parseOperator()
+    {
+        $operators = array(
+            '<=' => 'lte',
+            '>=' => 'gte',
+            '<' => 'lt',
+            '>' => 'gt',
+        );
+
+        foreach ($operators as $operator => $method) {
+            if (strpos($this->value, $operator) === 0) {
+                $this->value = substr($this->value, strlen($operator));
+                return $method;
+            }
+        }
+
+        return '';
+    }
+
+    /**
+     * Apply a date filter
+     *
+     * @access protected
+     * @param  string $field
+     */
+    protected function applyDateFilter($field)
+    {
+        $method = $this->parseOperator();
+        $timestamp = $this->dateParser->getTimestampFromIsoFormat($this->value);
+
+        if ($method !== '') {
+            $this->query->$method($field, $this->getTimestampFromOperator($method, $timestamp));
+        } else {
+            $this->query->gte($field, $timestamp);
+            $this->query->lte($field, $timestamp + 86399);
+        }
+    }
+
+    /**
+     * Get timestamp from the operator
+     *
+     * @access public
+     * @param  string  $method
+     * @param  integer $timestamp
+     * @return integer
+     */
+    protected function getTimestampFromOperator($method, $timestamp)
+    {
+        switch ($method) {
+            case 'lte':
+                return $timestamp + 86399;
+            case 'lt':
+                return $timestamp;
+            case 'gte':
+                return $timestamp;
+            case 'gt':
+                return $timestamp + 86400;
+        }
+
+        return $timestamp;
+    }
+}

app/Filter/BaseDateRangeFilter.php

@@ -0,0 +1,54 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\DateParser;
+
+/**
+ * Base date filter class
+ *
+ * @package filter
+ * @author  Kamil Ściana
+ */
+abstract class BaseDateRangeFilter extends BaseFilter
+{
+    /**
+     * DateParser object
+     *
+     * @access protected
+     * @var DateParser
+     */
+    protected $dateParser;
+
+    /**
+     * Set DateParser object
+     *
+     * @access public
+     * @param  DateParser $dateParser
+     * @return $this
+     */
+    public function setDateParser(DateParser $dateParser)
+    {
+        $this->dateParser = $dateParser;
+        return $this;
+    }
+
+    /**
+     * Apply a date filter
+     *
+     * @access protected
+     * @param  string $field
+     */
+    protected function applyDateFilter($field)
+    {
+        $dates = explode('..', $this->value);
+
+        if (count($dates)=== 2) {
+            $timestampFrom = $this->dateParser->getTimestamp($dates[0]." 00:00");
+            $timestampTo = $this->dateParser->getTimestamp($dates[1]." 00:00");
+
+            $this->query->gte($field, $timestampFrom);
+            $this->query->lte($field, $timestampTo + 86399);
+        }
+    }
+}

app/Filter/BaseFilter.php

@@ -0,0 +1,74 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use PicoDb\Table;
+
+/**
+ * Base filter class
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+abstract class BaseFilter
+{
+    /**
+     * @var Table
+     */
+    protected $query;
+
+    /**
+     * @var mixed
+     */
+    protected $value;
+
+    /**
+     * BaseFilter constructor
+     *
+     * @access public
+     * @param  mixed $value
+     */
+    public function __construct($value = null)
+    {
+        $this->value = $value;
+    }
+
+    /**
+     * Get object instance
+     *
+     * @static
+     * @access public
+     * @param  mixed $value
+     * @return static
+     */
+    public static function getInstance($value = null)
+    {
+        return new static($value);
+    }
+
+    /**
+     * Set query
+     *
+     * @access public
+     * @param  Table $query
+     * @return $this
+     */
+    public function withQuery(Table $query)
+    {
+        $this->query = $query;
+        return $this;
+    }
+
+    /**
+     * Set the value
+     *
+     * @access public
+     * @param  string $value
+     * @return $this
+     */
+    public function withValue($value)
+    {
+        $this->value = $value;
+        return $this;
+    }
+}

app/Filter/ProjectActivityCreationDateFilter.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\ProjectActivityModel;
+
+/**
+ * Filter activity events by creation date
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class ProjectActivityCreationDateFilter extends BaseDateFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('created');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        $this->applyDateFilter(ProjectActivityModel::TABLE.'.date_creation');
+        return $this;
+    }
+}

app/Filter/ProjectActivityCreatorFilter.php

@@ -0,0 +1,66 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\ProjectActivityModel;
+
+/**
+ * Filter activity events by creator
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class ProjectActivityCreatorFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Current user id
+     *
+     * @access private
+     * @var int
+     */
+    private $currentUserId = 0;
+
+    /**
+     * Set current user id
+     *
+     * @access public
+     * @param  integer $userId
+     * @return TaskAssigneeFilter
+     */
+    public function setCurrentUserId($userId)
+    {
+        $this->currentUserId = $userId;
+        return $this;
+    }
+
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('creator');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        if ($this->value === 'me') {
+            $this->query->eq(ProjectActivityModel::TABLE . '.creator_id', $this->currentUserId);
+        } else {
+            $this->query->beginOr();
+            $this->query->ilike('uc.username', '%'.$this->value.'%');
+            $this->query->ilike('uc.name', '%'.$this->value.'%');
+            $this->query->closeOr();
+        }
+        return $this;
+    }
+}

app/Filter/ProjectActivityProjectIdFilter.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\ProjectActivityModel;
+
+/**
+ * Filter activity events by projectId
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class ProjectActivityProjectIdFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('project_id');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        $this->query->eq(ProjectActivityModel::TABLE.'.project_id', $this->value);
+        return $this;
+    }
+}

app/Filter/ProjectActivityProjectIdsFilter.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\ProjectActivityModel;
+
+/**
+ * Filter activity events by projectIds
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class ProjectActivityProjectIdsFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('projects');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        if (empty($this->value)) {
+            $this->query->eq(ProjectActivityModel::TABLE.'.project_id', 0);
+        } else {
+            $this->query->in(ProjectActivityModel::TABLE.'.project_id', $this->value);
+        }
+
+        return $this;
+    }
+}

app/Filter/ProjectActivityProjectNameFilter.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\ProjectModel;
+
+/**
+ * Filter activity events by project name
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class ProjectActivityProjectNameFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('project');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        $this->query->ilike(ProjectModel::TABLE.'.name', '%'.$this->value.'%');
+        return $this;
+    }
+}

app/Filter/ProjectActivityTaskIdFilter.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\ProjectActivityModel;
+
+/**
+ * Filter activity events by taskId
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class ProjectActivityTaskIdFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('task_id');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        $this->query->eq(ProjectActivityModel::TABLE.'.task_id', $this->value);
+        return $this;
+    }
+}

app/Filter/ProjectActivityTaskStatusFilter.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\TaskModel;
+
+/**
+ * Filter activity events by task status
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class ProjectActivityTaskStatusFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('status');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        if ($this->value === 'open') {
+            $this->query->eq(TaskModel::TABLE.'.is_active', TaskModel::STATUS_OPEN);
+        } elseif ($this->value === 'closed') {
+            $this->query->eq(TaskModel::TABLE.'.is_active', TaskModel::STATUS_CLOSED);
+        }
+
+        return $this;
+    }
+}

app/Filter/ProjectActivityTaskTitleFilter.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+
+/**
+ * Filter activity events by task title
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class ProjectActivityTaskTitleFilter extends TaskTitleFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('title');
+    }
+}

app/Filter/ProjectGroupRoleProjectFilter.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\ProjectGroupRoleModel;
+
+/**
+ * Filter ProjectGroupRole users by project
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class ProjectGroupRoleProjectFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array();
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        $this->query->eq(ProjectGroupRoleModel::TABLE.'.project_id', $this->value);
+        return $this;
+    }
+}

app/Filter/ProjectGroupRoleUsernameFilter.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\GroupMemberModel;
+use Kanboard\Model\ProjectGroupRoleModel;
+use Kanboard\Model\UserModel;
+
+/**
+ * Filter ProjectGroupRole users by username
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class ProjectGroupRoleUsernameFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array();
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        $this->query
+            ->join(GroupMemberModel::TABLE, 'group_id', 'group_id', ProjectGroupRoleModel::TABLE)
+            ->join(UserModel::TABLE, 'id', 'user_id', GroupMemberModel::TABLE)
+            ->ilike(UserModel::TABLE.'.username', $this->value.'%');
+
+        return $this;
+    }
+}

app/Filter/ProjectIdsFilter.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\ProjectModel;
+
+/**
+ * Filter project by ids
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class ProjectIdsFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('project_ids');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        if (empty($this->value)) {
+            $this->query->eq(ProjectModel::TABLE.'.id', 0);
+        } else {
+            $this->query->in(ProjectModel::TABLE.'.id', $this->value);
+        }
+
+        return $this;
+    }
+}

app/Filter/ProjectStatusFilter.php

@@ -0,0 +1,45 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\ProjectModel;
+
+/**
+ * Filter project by status
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class ProjectStatusFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('status');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        if (is_int($this->value) || ctype_digit((string) $this->value)) {
+            $this->query->eq(ProjectModel::TABLE.'.is_active', $this->value);
+        } elseif ($this->value === 'inactive' || $this->value === 'closed' || $this->value === 'disabled') {
+            $this->query->eq(ProjectModel::TABLE.'.is_active', 0);
+        } else {
+            $this->query->eq(ProjectModel::TABLE.'.is_active', 1);
+        }
+
+        return $this;
+    }
+}

app/Filter/ProjectTypeFilter.php

@@ -0,0 +1,45 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\ProjectModel;
+
+/**
+ * Filter project by type
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class ProjectTypeFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('type');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        if (is_int($this->value) || ctype_digit((string) $this->value)) {
+            $this->query->eq(ProjectModel::TABLE.'.is_private', $this->value);
+        } elseif ($this->value === 'private') {
+            $this->query->eq(ProjectModel::TABLE.'.is_private', ProjectModel::TYPE_PRIVATE);
+        } else {
+            $this->query->eq(ProjectModel::TABLE.'.is_private', ProjectModel::TYPE_TEAM);
+        }
+
+        return $this;
+    }
+}

app/Filter/ProjectUserRoleProjectFilter.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\ProjectUserRoleModel;
+
+/**
+ * Filter ProjectUserRole users by project
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class ProjectUserRoleProjectFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array();
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        $this->query->eq(ProjectUserRoleModel::TABLE.'.project_id', $this->value);
+        return $this;
+    }
+}

app/Filter/ProjectUserRoleUsernameFilter.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\UserModel;
+
+/**
+ * Filter ProjectUserRole users by username
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class ProjectUserRoleUsernameFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array();
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        $this->query
+            ->join(UserModel::TABLE, 'id', 'user_id')
+            ->ilike(UserModel::TABLE.'.username', $this->value.'%');
+
+        return $this;
+    }
+}

app/Filter/TaskAssigneeFilter.php

@@ -0,0 +1,79 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\TaskModel;
+use Kanboard\Model\UserModel;
+
+/**
+ * Filter tasks by assignee
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class TaskAssigneeFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Current user id
+     *
+     * @access private
+     * @var int
+     */
+    private $currentUserId = 0;
+
+    /**
+     * Set current user id
+     *
+     * @access public
+     * @param  integer $userId
+     * @return TaskAssigneeFilter
+     */
+    public function setCurrentUserId($userId)
+    {
+        $this->currentUserId = $userId;
+        return $this;
+    }
+
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('assignee');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        if (is_int($this->value) || ctype_digit((string) $this->value)) {
+            $this->query->eq(TaskModel::TABLE.'.owner_id', $this->value);
+        } else {
+            switch ($this->value) {
+                case 'me':
+                    $this->query->eq(TaskModel::TABLE.'.owner_id', $this->currentUserId);
+                    break;
+                case 'nobody':
+                    $this->query->eq(TaskModel::TABLE.'.owner_id', 0);
+                    break;
+                case 'anybody':
+                    $this->query->gt(TaskModel::TABLE.'.owner_id', 0);
+                    break;
+                default:
+                    $this->query->beginOr();
+                    $this->query->ilike(UserModel::TABLE.'.username', '%'.$this->value.'%');
+                    $this->query->ilike(UserModel::TABLE.'.name', '%'.$this->value.'%');
+                    $this->query->closeOr();
+            }
+        }
+        return $this;
+    }
+}

app/Filter/TaskCategoryFilter.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\CategoryModel;
+use Kanboard\Model\TaskModel;
+
+/**
+ * Filter tasks by category
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class TaskCategoryFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('category');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        if (is_int($this->value) || ctype_digit((string) $this->value)) {
+            $this->query->beginOr();
+            $this->query->eq(TaskModel::TABLE.'.category_id', $this->value);
+            $this->query->eq(CategoryModel::TABLE.'.name', $this->value);
+            $this->query->closeOr();
+        } elseif ($this->value === 'none') {
+            $this->query->eq(TaskModel::TABLE.'.category_id', 0);
+        } else {
+            $this->query->eq(CategoryModel::TABLE.'.name', $this->value);
+        }
+
+        return $this;
+    }
+}

app/Filter/TaskColorFilter.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\ColorModel;
+use Kanboard\Model\TaskModel;
+
+/**
+ * Filter tasks by color
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class TaskColorFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Color object
+     *
+     * @access private
+     * @var    ColorModel
+     */
+    private $colorModel;
+
+    /**
+     * Set color model object
+     *
+     * @access public
+     * @param  ColorModel $colorModel
+     * @return TaskColorFilter
+     */
+    public function setColorModel(ColorModel $colorModel)
+    {
+        $this->colorModel = $colorModel;
+        return $this;
+    }
+
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('color', 'colour');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        $this->query->eq(TaskModel::TABLE.'.color_id', $this->colorModel->find($this->value));
+        return $this;
+    }
+}

app/Filter/TaskColumnFilter.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\ColumnModel;
+use Kanboard\Model\TaskModel;
+
+/**
+ * Filter tasks by column
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class TaskColumnFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('column');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        if (is_int($this->value) || ctype_digit((string) $this->value)) {
+            $this->query->eq(TaskModel::TABLE.'.column_id', $this->value);
+        } else {
+            $this->query->eq(ColumnModel::TABLE.'.title', $this->value);
+        }
+
+        return $this;
+    }
+}

app/Filter/TaskCommentFilter.php

@@ -0,0 +1,76 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\CommentModel;
+use Kanboard\Model\TaskModel;
+use PicoDb\Database;
+
+/**
+ * Filter tasks by comment
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class TaskCommentFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Database object
+     *
+     * @access private
+     * @var Database
+     */
+    private $db;
+
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('comment');
+    }
+
+    /**
+     * Set database object
+     *
+     * @access public
+     * @param  Database $db
+     * @return $this
+     */
+    public function setDatabase(Database $db)
+    {
+        $this->db = $db;
+        return $this;
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        $this->query->inSubquery(TaskModel::TABLE.'.id', $this->getSubQuery());
+
+        return $this;
+    }
+
+    /**
+     * Get task ids having this comment
+     *
+     * @access public
+     * @return array
+     */
+    protected function getSubQuery()
+    {
+        return $this->db
+            ->table(CommentModel::TABLE)
+            ->columns(CommentModel::TABLE.'.task_id')
+            ->ilike(CommentModel::TABLE.'.comment', '%'.$this->value.'%');
+    }
+}

app/Filter/TaskCompletionDateFilter.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\TaskModel;
+
+/**
+ * Filter tasks by completion date
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class TaskCompletionDateFilter extends BaseDateFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('completed');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        $this->applyDateFilter(TaskModel::TABLE.'.date_completed');
+        return $this;
+    }
+}

app/Filter/TaskCompletionDateRangeFilter.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\TaskModel;
+
+/**
+ * Filter tasks by completion date
+ *
+ * @package filter
+ * @author  Kamil Ściana
+ */
+class TaskCompletionDateRangeFilter extends BaseDateRangeFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('completedRange');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        $this->applyDateFilter(TaskModel::TABLE.'.date_completed');
+        return $this;
+    }
+}

app/Filter/TaskCreationDateFilter.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\TaskModel;
+
+/**
+ * Filter tasks by creation date
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class TaskCreationDateFilter extends BaseDateFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('created');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        $this->applyDateFilter(TaskModel::TABLE.'.date_creation');
+        return $this;
+    }
+}

app/Filter/TaskCreationDateRangeFilter.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\TaskModel;
+
+/**
+ * Filter tasks by creation date
+ *
+ * @package filter
+ * @author  Kamil Ściana
+ */
+class TaskCreationDateRangeFilter extends BaseDateRangeFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('createdRange');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        $this->applyDateFilter(TaskModel::TABLE.'.date_creation');
+        return $this;
+    }
+}

app/Filter/TaskCreatorFilter.php

@@ -0,0 +1,78 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\TaskModel;
+
+/**
+ * Filter tasks by creator
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class TaskCreatorFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Current user id
+     *
+     * @access private
+     * @var int
+     */
+    private $currentUserId = 0;
+
+    /**
+     * Set current user id
+     *
+     * @access public
+     * @param  integer $userId
+     * @return TaskAssigneeFilter
+     */
+    public function setCurrentUserId($userId)
+    {
+        $this->currentUserId = $userId;
+        return $this;
+    }
+
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('creator');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        if (is_int($this->value) || ctype_digit((string) $this->value)) {
+            $this->query->eq(TaskModel::TABLE.'.creator_id', $this->value);
+        } else {
+            switch ($this->value) {
+                case 'me':
+                    $this->query->eq(TaskModel::TABLE.'.creator_id', $this->currentUserId);
+                    break;
+                case 'nobody':
+                    $this->query->eq(TaskModel::TABLE.'.creator_id', 0);
+                    break;
+                case 'anybody':
+                    $this->query->gt(TaskModel::TABLE.'.creator_id', 0);
+                    break;
+                default:
+                    $this->query->beginOr();
+                    $this->query->ilike('uc.username', '%'.$this->value.'%');
+                    $this->query->ilike('uc.name', '%'.$this->value.'%');
+                    $this->query->closeOr();
+            }
+        }
+        return $this;
+    }
+}

app/Filter/TaskDescriptionFilter.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\TaskModel;
+
+/**
+ * Filter tasks by description
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class TaskDescriptionFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('description', 'desc');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        $this->query->ilike(TaskModel::TABLE.'.description', '%'.$this->value.'%');
+        return $this;
+    }
+}

app/Filter/TaskDueDateFilter.php

@@ -0,0 +1,45 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\TaskModel;
+
+/**
+ * Filter tasks by due date
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class TaskDueDateFilter extends BaseDateFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('due');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        if ($this->value == "none") {
+            $this->query->eq(TaskModel::TABLE.'.date_due', 0);
+        } else {
+            $this->query->neq(TaskModel::TABLE.'.date_due', 0);
+            $this->query->notNull(TaskModel::TABLE.'.date_due');
+            $this->applyDateFilter(TaskModel::TABLE.'.date_due');
+        }
+
+        return $this;
+    }
+}

app/Filter/TaskDueDateRangeFilter.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\TaskModel;
+
+/**
+ * Filter tasks by due date range
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class TaskDueDateRangeFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array();
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        $this->query->beginOr();
+        $this->query->isNull(TaskModel::TABLE.'.date_started');
+        $this->query->eq(TaskModel::TABLE.'.date_started', 0);
+        $this->query->closeOr();
+
+        $this->query->gte(TaskModel::TABLE.'.date_due', is_numeric($this->value[0]) ? $this->value[0] : strtotime($this->value[0]));
+        $this->query->lte(TaskModel::TABLE.'.date_due', is_numeric($this->value[1]) ? $this->value[1] : strtotime($this->value[1]));
+        return $this;
+    }
+}

app/Filter/TaskIdExclusionFilter.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\TaskModel;
+
+/**
+ * Exclude task ids
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class TaskIdExclusionFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('exclude');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        $this->query->notin(TaskModel::TABLE.'.id', $this->value);
+        return $this;
+    }
+}

app/Filter/TaskIdFilter.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\TaskModel;
+
+/**
+ * Filter tasks by id
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class TaskIdFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('id');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        $this->query->eq(TaskModel::TABLE.'.id', $this->value);
+        return $this;
+    }
+}

app/Filter/TaskLinkFilter.php

@@ -0,0 +1,79 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\LinkModel;
+use Kanboard\Model\TaskModel;
+use Kanboard\Model\TaskLinkModel;
+use PicoDb\Database;
+use PicoDb\Table;
+
+/**
+ * Filter tasks by link name
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class TaskLinkFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Database object
+     *
+     * @access private
+     * @var Database
+     */
+    private $db;
+
+    /**
+     * Set database object
+     *
+     * @access public
+     * @param  Database $db
+     * @return TaskLinkFilter
+     */
+    public function setDatabase(Database $db)
+    {
+        $this->db = $db;
+        return $this;
+    }
+
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('link');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        $this->query->inSubquery(TaskModel::TABLE.'.id', $this->getSubQuery());
+        return $this;
+    }
+
+    /**
+     * Get subquery
+     *
+     * @access protected
+     * @return Table
+     */
+    protected function getSubQuery()
+    {
+        return $this->db->table(TaskLinkModel::TABLE)
+            ->columns(
+                TaskLinkModel::TABLE.'.task_id'
+            )
+            ->join(LinkModel::TABLE, 'id', 'link_id', TaskLinkModel::TABLE)
+            ->ilike(LinkModel::TABLE.'.label', $this->value);
+    }
+}

app/Filter/TaskModificationDateFilter.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\TaskModel;
+
+/**
+ * Filter tasks by modification date
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class TaskModificationDateFilter extends BaseDateFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('updated', 'modified');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        $this->applyDateFilter(TaskModel::TABLE.'.date_modification');
+        return $this;
+    }
+}

app/Filter/TaskModificationDateRangeFilter.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\TaskModel;
+
+/**
+ * Filter tasks by modification date
+ *
+ * @package filter
+ * @author  Kamil Ściana
+ */
+class TaskModificationDateRangeFilter extends BaseDateRangeFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('updatedRange', 'modifiedRange');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        $this->applyDateFilter(TaskModel::TABLE.'.date_modification');
+        return $this;
+    }
+}

app/Filter/TaskMovedDateFilter.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\TaskModel;
+
+/**
+ * Filter tasks by modification date
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class TaskMovedDateFilter extends BaseDateFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('moved');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        $this->applyDateFilter(TaskModel::TABLE.'.date_moved');
+        return $this;
+    }
+}

app/Filter/TaskMovedDateRangeFilter.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\TaskModel;
+
+/**
+ * Filter tasks by creation date
+ *
+ * @package filter
+ * @author  Kamil Ściana
+ */
+class TaskMovedDateRangeFilter extends BaseDateRangeFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('movedRange');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        $this->applyDateFilter(TaskModel::TABLE.'.date_moved');
+        return $this;
+    }
+}

app/Filter/TaskPriorityFilter.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\TaskModel;
+
+/**
+ * Class TaskPriorityFilter
+ *
+ * @package Kanboard\Filter
+ * @author  Frederic Guillot
+ */
+class TaskPriorityFilter extends BaseComparisonFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('priority');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        $this->applyComparisonFilter(TaskModel::TABLE.'.priority');
+        return $this;
+    }
+}

app/Filter/TaskProjectFilter.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\ProjectModel;
+use Kanboard\Model\TaskModel;
+
+/**
+ * Filter tasks by project
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class TaskProjectFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('project');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        // Max integer value for Postgres is +2147483647
+        // See https://www.postgresql.org/docs/current/datatype-numeric.html
+        if (is_int($this->value) || ctype_digit((string) $this->value) && $this->value < 2147483647) {
+            $this->query->eq(TaskModel::TABLE.'.project_id', $this->value);
+        } else {
+            $this->query->ilike(ProjectModel::TABLE.'.name', $this->value);
+        }
+
+        return $this;
+    }
+}

app/Filter/TaskProjectsFilter.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\TaskModel;
+
+/**
+ * Filter tasks by project ids
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class TaskProjectsFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('projects');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        if (empty($this->value)) {
+            $this->query->eq(TaskModel::TABLE.'.project_id', 0);
+        } else {
+            $this->query->in(TaskModel::TABLE.'.project_id', $this->value);
+        }
+
+        return $this;
+    }
+}

app/Filter/TaskReferenceFilter.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\TaskModel;
+
+/**
+ * Filter tasks by reference
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class TaskReferenceFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('reference', 'ref');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        if ($this->value === 'none') {
+            $this->query->beginOr();
+            $this->query->eq(TaskModel::TABLE.'.reference', '');
+            $this->query->isNull(TaskModel::TABLE.'.reference');
+            $this->query->closeOr();
+            return $this;
+        }
+
+        if (strpos($this->value, '*') >= 0) {
+            $this->query->ilike(TaskModel::TABLE.'.reference', str_replace('*', '%', $this->value));
+            return $this;
+        }
+
+        $this->query->eq(TaskModel::TABLE.'.reference', $this->value);
+        return $this;
+    }
+}

app/Filter/TaskScoreFilter.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\TaskModel;
+
+/**
+ * Class TaskScoreFilter
+ *
+ * @package Kanboard\Filter
+ */
+class TaskScoreFilter extends BaseComparisonFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('score', 'complexity');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        $this->applyComparisonFilter(TaskModel::TABLE.'.score');
+        return $this;
+    }
+}

app/Filter/TaskStartDateFilter.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\TaskModel;
+
+/**
+ * Filter tasks by start date
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class TaskStartDateFilter extends BaseDateFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('started');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        $this->applyDateFilter(TaskModel::TABLE.'.date_started');
+        return $this;
+    }
+}

app/Filter/TaskStartsWithIdFilter.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\TaskModel;
+
+/**
+ * Class TaskIdSearchFilter
+ *
+ * @package Kanboard\Filter
+ * @author  Frederic Guillot
+ */
+class TaskStartsWithIdFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('starts_with_id');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        $this->query->ilike('CAST('.TaskModel::TABLE.'.id AS CHAR(8))', $this->value.'%');
+        return $this;
+    }
+}

app/Filter/TaskStatusFilter.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\TaskModel;
+
+/**
+ * Filter tasks by status
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class TaskStatusFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('status');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        if ($this->value === 'open' || $this->value === 'closed') {
+            $this->query->eq(TaskModel::TABLE.'.is_active', $this->value === 'open' ? TaskModel::STATUS_OPEN : TaskModel::STATUS_CLOSED);
+        } elseif (is_int($this->value) || ctype_digit((string) $this->value)) {
+            $this->query->eq(TaskModel::TABLE.'.is_active', $this->value);
+        }
+
+        return $this;
+    }
+}

app/Filter/TaskSubtaskAssigneeFilter.php

@@ -0,0 +1,133 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\SubtaskModel;
+use Kanboard\Model\TaskModel;
+use Kanboard\Model\UserModel;
+use PicoDb\Database;
+use PicoDb\Table;
+
+/**
+ * Filter tasks by subtasks assignee
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class TaskSubtaskAssigneeFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Database object
+     *
+     * @access private
+     * @var Database
+     */
+    private $db;
+
+    /**
+     * Current user id
+     *
+     * @access private
+     * @var int
+     */
+    private $currentUserId = 0;
+
+    /**
+     * Set current user id
+     *
+     * @access public
+     * @param  integer $userId
+     * @return TaskSubtaskAssigneeFilter
+     */
+    public function setCurrentUserId($userId)
+    {
+        $this->currentUserId = $userId;
+        return $this;
+    }
+
+    /**
+     * Set database object
+     *
+     * @access public
+     * @param  Database $db
+     * @return TaskSubtaskAssigneeFilter
+     */
+    public function setDatabase(Database $db)
+    {
+        $this->db = $db;
+        return $this;
+    }
+
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('subtask:assignee');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        $this->query->inSubquery(TaskModel::TABLE.'.id', $this->getSubQuery());
+        return $this;
+    }
+
+    /**
+     * Get subquery
+     *
+     * @access protected
+     * @return Table
+     */
+    protected function getSubQuery()
+    {
+        $subquery = $this->db->table(SubtaskModel::TABLE)
+            ->columns(SubtaskModel::TABLE.'.task_id')
+            ->join(UserModel::TABLE, 'id', 'user_id', SubtaskModel::TABLE)
+            ->neq(SubtaskModel::TABLE.'.status', SubtaskModel::STATUS_DONE);
+
+        return $this->applySubQueryFilter($subquery);
+    }
+
+    /**
+     * Apply subquery filter
+     *
+     * @access protected
+     * @param  Table $subquery
+     * @return Table
+     */
+    protected function applySubQueryFilter(Table $subquery)
+    {
+        if (is_int($this->value) || ctype_digit((string) $this->value)) {
+            $subquery->eq(SubtaskModel::TABLE.'.user_id', $this->value);
+        } else {
+            switch ($this->value) {
+                case 'me':
+                    $subquery->eq(SubtaskModel::TABLE.'.user_id', $this->currentUserId);
+                    break;
+                case 'nobody':
+                    $subquery->eq(SubtaskModel::TABLE.'.user_id', 0);
+                    break;
+                case 'anybody':
+                    $subquery->gt(SubtaskModel::TABLE.'.user_id', 0);
+                    break;
+                default:
+                    $subquery->beginOr();
+                    $subquery->ilike(UserModel::TABLE.'.username', $this->value.'%');
+                    $subquery->ilike(UserModel::TABLE.'.name', '%'.$this->value.'%');
+                    $subquery->closeOr();
+            }
+        }
+
+        return $subquery;
+    }
+}

app/Filter/TaskSwimlaneFilter.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\ProjectModel;
+use Kanboard\Model\SwimlaneModel;
+use Kanboard\Model\TaskModel;
+
+/**
+ * Filter tasks by swimlane
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class TaskSwimlaneFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('swimlane');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        $this->query->ilike(SwimlaneModel::TABLE.'.name', $this->value);
+        return $this;
+    }
+}

app/Filter/TaskTagFilter.php

@@ -0,0 +1,87 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\TagModel;
+use Kanboard\Model\TaskModel;
+use Kanboard\Model\TaskTagModel;
+use PicoDb\Database;
+
+/**
+ * Class TaskTagFilter
+ *
+ * @package Kanboard\Filter
+ * @author  Frederic Guillot
+ */
+class TaskTagFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Database object
+     *
+     * @access private
+     * @var Database
+     */
+    private $db;
+
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('tag');
+    }
+
+    /**
+     * Set database object
+     *
+     * @access public
+     * @param  Database $db
+     * @return $this
+     */
+    public function setDatabase(Database $db)
+    {
+        $this->db = $db;
+        return $this;
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        if ($this->value === 'none') {
+            $sub_query = $this->getQueryOfTaskIdsWithoutTags();
+        } else {
+            $sub_query = $this->getQueryOfTaskIdsWithGivenTag();
+        }
+
+        $this->query->inSubquery(TaskModel::TABLE.'.id', $sub_query);
+
+        return $this;
+    }
+
+    protected function getQueryOfTaskIdsWithoutTags()
+    {
+        return $this->db
+            ->table(TaskModel::TABLE)
+            ->columns(TaskModel::TABLE . '.id')
+            ->left(TaskTagModel::TABLE, 'tg', 'task_id', TaskModel::TABLE, 'id')
+            ->isNull('tg.tag_id');
+    }
+
+    protected function getQueryOfTaskIdsWithGivenTag()
+    {
+        return $this->db
+            ->table(TagModel::TABLE)
+            ->columns(TaskTagModel::TABLE.'.task_id')
+            ->ilike(TagModel::TABLE.'.name', '%'.$this->value.'%')
+            ->join(TaskTagModel::TABLE, 'tag_id', 'id');
+    }
+}

app/Filter/TaskTitleFilter.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\TaskModel;
+
+/**
+ * Filter tasks by title
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class TaskTitleFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('title');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        if (ctype_digit((string) $this->value) || (strlen($this->value) > 1 && $this->value[0] === '#' && ctype_digit(substr($this->value, 1)))) {
+            $this->query->beginOr();
+            $this->query->eq(TaskModel::TABLE.'.id', str_replace('#', '', $this->value));
+            $this->query->ilike(TaskModel::TABLE.'.title', '%'.$this->value.'%');
+            $this->query->closeOr();
+        } else {
+            $this->query->ilike(TaskModel::TABLE.'.title', '%'.$this->value.'%');
+        }
+
+        return $this;
+    }
+}

app/Filter/UserNameFilter.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+
+class UserNameFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('name');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        $this->query->beginOr()
+            ->ilike('username', '%'.$this->value.'%')
+            ->ilike('name', '%'.$this->value.'%')
+            ->closeOr();
+
+        return $this;
+    }
+}