diff --git a/app/Models/TagTask.php b/app/Models/TagTask.php
new file mode 100644
index 0000000..197f403
--- /dev/null
+++ b/app/Models/TagTask.php
@@ -0,0 +1,14 @@
+<?php
+
+
+namespace App;
+
+
+use Illuminate\Database\Eloquent\Model;
+
+class TagTask extends Model
+{
+    protected $table = 'tag_task';
+    public $incrementing = true;
+    protected $fillable = ['tag_id', 'task_id'];
+}
diff --git a/app/Statists/Pipe.php b/app/Statists/Pipe.php
new file mode 100644
index 0000000..cf1ca1c
--- /dev/null
+++ b/app/Statists/Pipe.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace App\Statists;
+
+interface Pipe
+{
+    public function handle(&$content, \Closure $next);
+}
diff --git a/app/Statists/SprintStatist.php b/app/Statists/SprintStatist.php
new file mode 100644
index 0000000..19a3100
--- /dev/null
+++ b/app/Statists/SprintStatist.php
@@ -0,0 +1,44 @@
+<?php
+
+namespace App\Statists;
+
+use App\Task;
+use Illuminate\Support\Arr;
+use Illuminate\Support\Facades\Cache;
+
+class SprintStatist implements Pipe
+{
+    private Task $task;
+
+    public function __construct($task)
+    {
+        $this->task = $task;
+    }
+
+    public function handle(&$result, $next)
+    {
+        $key  = 'sprints.';
+        $key .= ($this->task->sprint_id ?? 0).'.';
+        $key .= ($this->task->assignee_id ?? 0).'.';
+        $key .= $this->task->workflow_id . '.';
+        $key .= $this->task->status_id;
+
+        $map = [
+            'total' => 0,
+            'test' => 0,
+            'overdue' => 0,
+            'worked' => 0, // total worked in minute
+            'estimate' => 0, // estimate total
+        ];
+
+        $node = Arr::get($result, $key, $map);
+
+        $node['total'] = $node['total'] + 1;
+        $node['test'] = $node['test'] + $result->ready_to_test;
+        $node['overdue'] = $node['overdue'] + ($result->on_time? 0 : 1);
+
+        Arr::set($result, $key, $node);
+
+        return $next($result);
+    }
+}
diff --git a/app/Statists/SystemStatist.php b/app/Statists/SystemStatist.php
new file mode 100644
index 0000000..c268aa3
--- /dev/null
+++ b/app/Statists/SystemStatist.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Statists;
+
+use Illuminate\Support\Arr;
+use Illuminate\Support\Facades\Cache;
+
+class SystemStatist implements Pipe
+{
+    public function handle($tasks, $next)
+    {
+        $key = 'systems.'. ($task->system_id ?? 0) . '.' . ($task->assignee_id ?? 0) .
+            '.' . $task->workflow_id . '.' . $task->status_id;
+        $node = Arr::get($result, $key, ['total' => 0, 'test' => 0, 'overdue' => 0]);
+        $node['total'] = $node['total'] + 1;
+        $node['test'] = $node['test'] + $task->ready_to_test;
+        $node['overdue'] = $node['overdue'] + ($task->on_time? 0: 1);
+        Arr::set($result, $key, $node);
+
+        return $next($tasks);
+    }
+}
diff --git a/app/Statists/TagStatist.php b/app/Statists/TagStatist.php
new file mode 100644
index 0000000..33bd15f
--- /dev/null
+++ b/app/Statists/TagStatist.php
@@ -0,0 +1,54 @@
+<?php
+
+namespace App\Statists;
+
+use Illuminate\Support\Arr;
+use Illuminate\Support\Facades\Cache;
+
+class TagStatist implements Pipe
+{
+    public function handle($tasks, $next)
+    {
+        $result = [];
+
+        $project = $tasks->first()->project_id;
+
+        $tags = $tasks->pluck('tag_id');
+        $users = $tasks->pluck('assignee_id');
+        $workflows = $tasks->pluck('workflow_id');
+        $statuses = $tasks->pluck('status_id');
+
+        foreach ($tags as $tag) {
+            foreach ($users as $user) {
+                foreach ($workflows as $workflow) {
+                    foreach ($statuses as $status) {
+                        $filter = $tasks
+                            ->where('sprint_id', '=', $tag)
+                            ->where('assignee_id', '=', $user)
+                            ->where('workflow_id', '=', $workflow)
+                            ->where('status_id', '=', $status);
+
+                        if ($filter->isEmpty()) {
+                            continue;
+                        }
+
+                        $stat = [
+                            'task_count' => $filter->count(),
+                            'total_worked_in_minute' => $filter->sum('spent_time'),
+                            'overdue_count' => $filter->where('on_time','=',false)->count(),
+                            'total_estimate_in_minute' => $filter->sum('estimated_time'),
+                            'test_flag_count' => $filter->where('ready_to_test', '=', true)->count(),
+                        ];
+
+                        Arr::set($result,"{$tag}.{$user}.{$workflow}.{$status}",$stat);
+                    }
+                }
+            }
+        }
+
+
+        Cache::put($project, $result);
+
+        return $next($tasks);
+    }
+}
diff --git a/database/factories/TaskFactory.php b/database/factories/TaskFactory.php
index 448b89e..713b2cf 100644
--- a/database/factories/TaskFactory.php
+++ b/database/factories/TaskFactory.php
@@ -3,20 +3,30 @@
 /** @var \Illuminate\Database\Eloquent\Factory $factory */
 
 use App\Task;
-use Carbon\Carbon;
 use Faker\Generator as Faker;
 
 $factory->define(Task::class, function (Faker $faker) {
     return [
-        'business_id' => null,
-        'creator_id' => null,
-        'project_id' => null,
-        'user_id' => null,
-        'workflow_id' => null,
-        'name' => $faker->sentences(3, true),
-        'time' => null,
-        'cost' => 0,
-        'completed' => false,
-        'due_date' => Carbon::now()->toDateTimeString(),
+        'business_id' => $faker->numberBetween(1, 200),
+        'creator_id' => $faker->numberBetween(1, 5000),
+        'project_id' => $faker->numberBetween(1, 200),
+        'assignee_id' => $faker->numberBetween(1, 20),
+        'workflow_id' => $faker->numberBetween(1, 2500),
+        'system_id' => $faker->numberBetween(1, 20),
+        'sprint_id' => $faker->numberBetween(1, 20),
+        'status_id' => $faker->numberBetween(1, 5000),
+        'approver_id' => $faker->numberBetween(1, 5000),
+
+        'title' => $faker->name,
+        'description' => $faker->sentences(3, true),
+        'priority' => $faker->numberBetween(1,10),
+        'on_time' => $faker->boolean,
+        'ready_to_test' => $faker->boolean,
+        'spent_time' => $faker->numberBetween(100, 300),
+        'estimated_time' => $faker->numberBetween(100, 300),
+        'due_date' => $faker->date(),
+        'completed_at' => $faker->date(),
+        'work_start' => $faker->date('1971-01-01','now'),
+        'work_finish' => $faker->date('1971-01-01','now'),
     ];
 });
diff --git a/database/factories/WorkFactory.php b/database/factories/WorkFactory.php
new file mode 100644
index 0000000..d4e9e2c
--- /dev/null
+++ b/database/factories/WorkFactory.php
@@ -0,0 +1,23 @@
+<?php
+
+/** @var \Illuminate\Database\Eloquent\Factory $factory */
+
+use App\Work;
+use Carbon\Carbon;
+use Faker\Generator as Faker;
+
+$factory->define(Work::class, function (Faker $faker) {
+    $started_at = $faker->dateTime('now');
+    $ended_at = $faker->dateTime('now');
+//    $minute_sum = $ended_at->diffInMinutes($started_at);
+    return [
+        'business_id' => $faker->numberBetween(1, 200),
+        'project_id' => $faker->numberBetween(1, 200),
+        'task_id' => $faker->numberBetween(1, 200),
+        'user_id' => $faker->numberBetween(1, 5000),
+        'message' => $faker->name,
+        'minute_sum' => $faker->numberBetween(100, 5000),
+        'started_at' => $started_at,
+        'ended_at' => $ended_at,
+    ];
+});
diff --git a/database/seeds/TaskSeeder.php b/database/seeds/TaskSeeder.php
old mode 100644
new mode 100755
index 9b148bd..f138ee0
--- a/database/seeds/TaskSeeder.php
+++ b/database/seeds/TaskSeeder.php
@@ -1,62 +1,174 @@
 <?php
 
-use App\Business;
-use App\User;
-use Carbon\Carbon;
+use App\TagTask;
+use App\Task;
 use Illuminate\Database\Seeder;
-use Illuminate\Support\Facades\DB;
 
 class TaskSeeder extends Seeder
 {
     public function run()
     {
-        /** @var User $owner */
-        // every project has it's own tasks
-
-        /**
-         * Every task has it's own tags, which must be present in business that this tags belongs to it.
-         */
-        $businesses = Business::with('owners', 'projects')->get();
-        $tasks = [];
-
-        $left = count($businesses);
-        $now = Carbon::now()->toDateTimeString();
-        $future = Carbon::now()->addDays(10)->toDateTimeString();
-        foreach ($businesses as $business) {
-            foreach ($business->owners as $owner) {
-                foreach ($business->projects as $project) {
-                    foreach ($business->members as $member) {
-                        for ($i = 1; $i <= 30; $i++) {
-                            foreach ($business->workflows as $workflow) {
-                                $status = $workflow->workstatuses->random();
-                                $tasks[] = [
-                                    'business_id' => $business->id,
-//                                    'creator_id' => $owner->id,
-//                                    'project_id' => $project->id,
-//                                    'user_id' => $member->id,
-//                                    'workflow_id' => $workflow->id,
-//                                    'work_status_id' => $status->id,
-//                                    'name' => 'Task #' . rand(111111, 999999),
-//                                    'time' => "10:00:00",
-//                                    'cost' => 10000,
-//                                    'completed' => $status->done,
-//                                    'due_date' => $status->done ? $now : $future,
-                                ];
-                            }
-                        }
-                    }
+        for ($i = 1; $i <= 1; $i++) {
+            \App\Task::insert(
+                factory(\App\Task::class, 2000)->raw()
+            );
+        }
+
+        $tags = [
+            1 => 'باربری',
+            2 => 'زیر چاپ',
+            3 => 'برون سپاری شود',
+            4 => 'مشتری نپسندید',
+        ];
+
+        $ids = Task::select('id')->pluck('id')->toArray();
+        $tag_task_relation = [];
+        foreach ($ids as $id) {
+            foreach (array_rand($tags, mt_rand(2, 4)) as $index => $tag) {
+                $tag_task_relation[] = [
+                    'task_id' => $id,
+                    'tag_id' => $tag,
+                ];
+            }
+        }
+
+        TagTask::insert($tag_task_relation);
+        $this->createRelatedData();
+    }
+
+    public function createRelatedData()
+    {
+        Task::whereIn('business_id', [1, 2, 3, 4, 5])
+            ->update(['business_id' => 1779, 'project_id' => 0, 'workflow_id' => 0, 'status_id' => 0,
+                'system_id' => 0, 'sprint_id' => 0]);
+
+        $count = Task::where('business_id', '=', 1779)->count();
+
+        $projects = [
+            3566 => [
+                'systems' => [8967, 8968, 8969, 8970],
+                'sprints' => [],
+            ],
+            3567 => [
+                'systems' => [8971],
+                'sprints' => [526]
+            ],
+            3568 => [
+                'systems' => [8972, 8973],
+                'sprints' => [5480]
+            ]
+        ];
+
+        $workflows = [
+            2277 => [5100, 5101],
+            2278 => [5102, 5103],
+            2279 => [5104, 5105, 5106, 5107]
+        ];
+        $take = $count > 50 ? 20 : 10;
+        $this->updateField(array_keys($projects), $count, $take, 'project_id');
+        $this->updateField(array_keys($workflows), $count, $take, 'workflow_id');
+        $this->fillSprintAndSystem($projects);
+        $this->fillStatues($workflows);
+        $this->fillTaskTag($count);
+
+    }
+
+    public function fillSprintAndSystem($projects)
+    {
+        foreach ($projects as $key => $value) {
+            $count = Task::where('project_id', $key)->count();
+            $take = $count > 10 ? 2 : 1;
+
+            $sprintIndex = 0;
+            $systemIndex = 0;
+            $i = 0;
+            while ($count > $i) {
+                Task::where('project_id', '=', $key)
+                    ->where('system_id', 0)->where('sprint_id', 0)
+                    ->take($take)
+                    ->update(
+                        [
+                            'sprint_id' => isset($value['sprints'][$sprintIndex]) ? $value['sprints'][$sprintIndex] : 0,
+                            'system_id' => isset($value['systems'][$systemIndex]) ? $value['systems'][$systemIndex] : 0,
+                        ]);
+
+                $systemIndex += 1;
+                $sprintIndex += 1;
+                if ($systemIndex >= count($value['systems'])) {
+                    $systemIndex = 0;
                 }
+                if ($sprintIndex >= count($value['sprints'])) {
+                    $sprintIndex = 0;
+                }
+
+
+                $i += $take;
             }
+        }
+        Task::whereIn('project_id', array_keys($projects))
+            ->where('system_id', 0)
+            ->update(['system_id' => null]);
 
-            $this->command->info(--$left . " Business is left.");
+        Task::whereIn('project_id', array_keys($projects))
+            ->where('sprint_id', 0)
+            ->update(['sprint_id' => null]);
+    }
+
+    public function updateField($values, $count, $take, $field)
+    {
+        $i = 0;
+        $index = 0;
+        while ($count > $i) {
+            Task::where($field, '=', 0)->take($take)->update([$field => $values[$index]]);
+            $index += 1;
+            if (count($values) <= $index) {
+                $index = 0;
+            }
+            $i += $take;
         }
+    }
+
+    public function fillStatues($workflows)
+    {
+        foreach ($workflows as $key => $value) {
+            $count = Task::where('workflow_id', $key)->count();
+            $take = $count > 10 ? 2 : 1;
+
+            $index = 0;
+            $i = 0;
+            while ($count > $i) {
+                Task::where('workflow_id', '=', $key)
+                    ->where('status_id', 0)
+                    ->take($take)
+                    ->update(
+                        [
+                            'status_id' => $value[$index]
+                        ]);
 
-        dd('here');
-        $chunks = array_chunk($tasks, 1000);
-        $number = count($chunks);
-        foreach ($chunks as $value) {
-            DB::table('tasks')->insert($value);
-            $this->command->info(--$number . " Chunk is left.");
+                $index += 1;
+                if ($index >= count($value)) {
+                    $index = 0;
+                }
+
+
+                $i += $take;
+            }
         }
     }
+
+    public function fillTaskTag($count)
+    {
+        $tags = [5037, 5038, 5626];
+        $tasks = Task::where('business_id', 1779)->get();
+        foreach ($tasks as $task) {
+            $rand = rand(0,2);
+            $t = [];
+            do{
+              array_push($t, new TagTask(['task_id' => $task->id, 'tag_id' => $tags[$rand]]));
+                $rand--;
+            }while($rand >= 0);
+            $task->tags()->saveMany($t);
+        }
+
+    }
 }
diff --git a/database/seeds/WorkSeeder.php b/database/seeds/WorkSeeder.php
new file mode 100755
index 0000000..d4071de
--- /dev/null
+++ b/database/seeds/WorkSeeder.php
@@ -0,0 +1,36 @@
+<?php
+
+use App\Work;
+use Illuminate\Database\Seeder;
+
+class WorkSeeder extends Seeder
+{
+    /**
+     * Run the database seeds.
+     *
+     * @return void
+     */
+    public function run()
+    {
+        Work::insert(
+            factory(Work::class, 2000)->raw()
+        );
+
+        $businessId = 1779;
+        Work::inRandomOrder()->take(150)->update(['business_id' => $businessId]);
+
+        $projects = [3566, 3567, 3568];
+
+        foreach ($projects as $projectId) {
+            Work::where('business_id', $businessId)
+                ->whereNotIn('project_id', $projects)
+                ->take(50)->update(['project_id' => $projectId, 'started_at' => \Carbon\Carbon::now()]);
+        }
+
+        $works = Work::where('business_id', $businessId)->get();
+        foreach ($works as $work){
+           \DB::table('works')->where('id', $work->id)
+               ->update(['started_at' => \Carbon\Carbon::now()->subDays(rand(0,90))]);
+        }
+    }
+}
diff --git a/routes/api.php b/routes/api.php
index 618384b..c92d4b3 100644
--- a/routes/api.php
+++ b/routes/api.php
@@ -163,3 +163,45 @@ $router->group(['prefix' => 'users'], function () use ($router) {
         $router->delete('/avatar', 'UserController@unSetAvatar');
     });
 });
+$router->group([], function () use ($router) {
+    $router->post('/log', 'ActivityController@store');
+    $router->group(['prefix' => 'businesses/{business}', 'middleware' => ['auth', 'bindBusiness']], function (Router $router) {
+        $router->get('/tasks', 'TaskController@index');
+        $router->get('/works', 'WorkController@index');
+        $router->get('statistics', 'StatisticController@index');
+        $router->get('projects/{project}/statistics', 'StatisticController@index');
+        $router->get('/tasks/{task}', 'TaskController@show');
+        $router->group(['prefix' => 'projects/{project}/tasks'], function (Router $router) {
+            $router->post('/', 'TaskController@store');
+
+            $router->group(['prefix' => '{task}'], function (Router $router) {
+                $router->get('/', 'TaskController@show');
+                $router->put('/', 'TaskController@update');
+                $router->delete('/', 'TaskController@destroy');
+
+                $router->post('/watchers', 'TaskController@toggleWatcher');
+
+                $router->group(['prefix' => 'works'], function (Router $router) {
+//                    $router->get('/', 'WorkController@index');
+                    $router->post('/', 'WorkController@store');
+                    $router->group(['prefix' => '{work}'], function (Router $router) {
+                        $router->get('/', 'WorkController@show');
+                        $router->put('/', 'WorkController@update');
+                        $router->delete('/', 'WorkController@destroy');
+                    });
+                });
+
+                $router->group(['prefix' => 'comments'], function (Router $router) {
+                    $router->get('/', 'CommentController@index');
+                    $router->post('/', 'CommentController@store');
+                    $router->group(['prefix' => '{comment}'], function (Router $router) {
+                        $router->get('/', 'CommentController@show');
+                        $router->put('/', 'CommentController@update');
+                        $router->delete('/', 'CommentController@destroy');
+                    });
+                });
+
+            });
+        });
+    });
+});