3 files changed, 677 insertions, 121 deletions

diff --git a/tests/bookmark/BookmarkFileServiceTest.php b/tests/bookmark/BookmarkFileServiceTest.php
index 47970117..8e0ff8dd 100644
--- a/tests/bookmark/BookmarkFileServiceTest.php
+++ b/tests/bookmark/BookmarkFileServiceTest.php
@@ -686,22 +686,6 @@ class BookmarkFileServiceTest extends TestCase
     }
 
     /**
-     * List the days for which bookmarks have been posted
-     */
-    public function testDays()
-    {
-        $this->assertSame(
-            ['20100309', '20100310', '20121206', '20121207', '20130614', '20150310'],
-            $this->publicLinkDB->days()
-        );
-
-        $this->assertSame(
-            ['20100309', '20100310', '20121206', '20121207', '20130614', '20141125', '20150310'],
-            $this->privateLinkDB->days()
-        );
-    }
-
-    /**
      * The URL corresponds to an existing entry in the DB
      */
     public function testGetKnownLinkFromURL()
@@ -1074,33 +1058,105 @@ class BookmarkFileServiceTest extends TestCase
     }
 
     /**
-     * Test filterDay while logged in
+     * Test find by dates in the middle of the datastore (sorted by dates) with a single bookmark as a result.
      */
-    public function testFilterDayLoggedIn(): void
+    public function testFilterByDateMidTimePeriodSingleBookmark(): void
     {
-        $bookmarks = $this->privateLinkDB->filterDay('20121206');
-        $expectedIds = [4, 9, 1, 0];
+        $bookmarks = $this->privateLinkDB->findByDate(
+            DateTime::createFromFormat('Ymd_His', '20121206_150000'),
+            DateTime::createFromFormat('Ymd_His', '20121206_160000'),
+            $before,
+            $after
+        );
 
-        static::assertCount(4, $bookmarks);
-        foreach ($bookmarks as $bookmark) {
-            $i = ($i ?? -1) + 1;
-            static::assertSame($expectedIds[$i], $bookmark->getId());
-        }
+        static::assertCount(1, $bookmarks);
+
+        static::assertSame(9, $bookmarks[0]->getId());
+        static::assertEquals(DateTime::createFromFormat('Ymd_His', '20121206_142300'), $before);
+        static::assertEquals(DateTime::createFromFormat('Ymd_His', '20121206_172539'), $after);
     }
 
     /**
-     * Test filterDay while logged out
+     * Test find by dates in the middle of the datastore (sorted by dates) with a multiple bookmarks as a result.
      */
-    public function testFilterDayLoggedOut(): void
+    public function testFilterByDateMidTimePeriodMultipleBookmarks(): void
     {
-        $bookmarks = $this->publicLinkDB->filterDay('20121206');
-        $expectedIds = [4, 9, 1];
+        $bookmarks = $this->privateLinkDB->findByDate(
+            DateTime::createFromFormat('Ymd_His', '20121206_150000'),
+            DateTime::createFromFormat('Ymd_His', '20121206_180000'),
+            $before,
+            $after
+        );
 
-        static::assertCount(3, $bookmarks);
-        foreach ($bookmarks as $bookmark) {
-            $i = ($i ?? -1) + 1;
-            static::assertSame($expectedIds[$i], $bookmark->getId());
-        }
+        static::assertCount(2, $bookmarks);
+
+        static::assertSame(1, $bookmarks[0]->getId());
+        static::assertSame(9, $bookmarks[1]->getId());
+        static::assertEquals(DateTime::createFromFormat('Ymd_His', '20121206_142300'), $before);
+        static::assertEquals(DateTime::createFromFormat('Ymd_His', '20121206_182539'), $after);
+    }
+
+    /**
+     * Test find by dates at the end of the datastore (sorted by dates).
+     */
+    public function testFilterByDateLastTimePeriod(): void
+    {
+        $after = new DateTime();
+        $bookmarks = $this->privateLinkDB->findByDate(
+            DateTime::createFromFormat('Ymd_His', '20150310_114640'),
+            DateTime::createFromFormat('Ymd_His', '20450101_010101'),
+            $before,
+            $after
+        );
+
+        static::assertCount(1, $bookmarks);
+
+        static::assertSame(41, $bookmarks[0]->getId());
+        static::assertEquals(DateTime::createFromFormat('Ymd_His', '20150310_114633'), $before);
+        static::assertNull($after);
+    }
+
+    /**
+     * Test find by dates at the beginning of the datastore (sorted by dates).
+     */
+    public function testFilterByDateFirstTimePeriod(): void
+    {
+        $before = new DateTime();
+        $bookmarks = $this->privateLinkDB->findByDate(
+            DateTime::createFromFormat('Ymd_His', '20000101_101010'),
+            DateTime::createFromFormat('Ymd_His', '20100309_110000'),
+            $before,
+            $after
+        );
+
+        static::assertCount(1, $bookmarks);
+
+        static::assertSame(11, $bookmarks[0]->getId());
+        static::assertNull($before);
+        static::assertEquals(DateTime::createFromFormat('Ymd_His', '20100310_101010'), $after);
+    }
+
+    /**
+     * Test getLatest with a sticky bookmark: it should be ignored and return the latest by creation date instead.
+     */
+    public function testGetLatestWithSticky(): void
+    {
+        $bookmark = $this->publicLinkDB->getLatest();
+
+        static::assertSame(41, $bookmark->getId());
+    }
+
+    /**
+     * Test getLatest with a sticky bookmark: it should be ignored and return the latest by creation date instead.
+     */
+    public function testGetLatestEmptyDatastore(): void
+    {
+        unlink($this->conf->get('resource.datastore'));
+        $this->publicLinkDB = new BookmarkFileService($this->conf, $this->history, $this->mutex, false);
+
+        $bookmark = $this->publicLinkDB->getLatest();
+
+        static::assertNull($bookmark);
     }
 
     /**
diff --git a/tests/front/controller/visitor/DailyControllerTest.php b/tests/front/controller/visitor/DailyControllerTest.php
index fc78bc13..758e7219 100644
--- a/tests/front/controller/visitor/DailyControllerTest.php
+++ b/tests/front/controller/visitor/DailyControllerTest.php
@@ -28,52 +28,49 @@ class DailyControllerTest extends TestCase
     public function testValidIndexControllerInvokeDefault(): void
     {
         $currentDay = new \DateTimeImmutable('2020-05-13');
+        $previousDate = new \DateTime('2 days ago 00:00:00');
+        $nextDate = new \DateTime('today 00:00:00');
 
         $request = $this->createMock(Request::class);
-        $request->method('getQueryParam')->willReturn($currentDay->format('Ymd'));
+        $request->method('getQueryParam')->willReturnCallback(function (string $key) use ($currentDay): ?string {
+            return $key === 'day' ? $currentDay->format('Ymd') : null;
+        });
         $response = new Response();
 
         // Save RainTPL assigned variables
         $assignedVariables = [];
         $this->assignTemplateVars($assignedVariables);
 
-        // Links dataset: 2 links with thumbnails
-        $this->container->bookmarkService
-            ->expects(static::once())
-            ->method('days')
-            ->willReturnCallback(function () use ($currentDay): array {
-               return [
-                   '20200510',
-                   $currentDay->format('Ymd'),
-                   '20200516',
-               ];
-            })
-        ;
         $this->container->bookmarkService
             ->expects(static::once())
-            ->method('filterDay')
-            ->willReturnCallback(function (): array {
-                return [
-                    (new Bookmark())
-                        ->setId(1)
-                        ->setUrl('http://url.tld')
-                        ->setTitle(static::generateString(50))
-                        ->setDescription(static::generateString(500))
-                    ,
-                    (new Bookmark())
-                        ->setId(2)
-                        ->setUrl('http://url2.tld')
-                        ->setTitle(static::generateString(50))
-                        ->setDescription(static::generateString(500))
-                    ,
-                    (new Bookmark())
-                        ->setId(3)
-                        ->setUrl('http://url3.tld')
-                        ->setTitle(static::generateString(50))
-                        ->setDescription(static::generateString(500))
-                    ,
-                ];
-            })
+            ->method('findByDate')
+            ->willReturnCallback(
+                function ($from, $to, &$previous, &$next) use ($currentDay, $previousDate, $nextDate): array {
+                    $previous = $previousDate;
+                    $next = $nextDate;
+
+                    return [
+                        (new Bookmark())
+                            ->setId(1)
+                            ->setUrl('http://url.tld')
+                            ->setTitle(static::generateString(50))
+                            ->setDescription(static::generateString(500))
+                        ,
+                        (new Bookmark())
+                            ->setId(2)
+                            ->setUrl('http://url2.tld')
+                            ->setTitle(static::generateString(50))
+                            ->setDescription(static::generateString(500))
+                        ,
+                        (new Bookmark())
+                            ->setId(3)
+                            ->setUrl('http://url3.tld')
+                            ->setTitle(static::generateString(50))
+                            ->setDescription(static::generateString(500))
+                        ,
+                    ];
+                }
+            )
         ;
 
         // Make sure that PluginManager hook is triggered
@@ -81,20 +78,22 @@ class DailyControllerTest extends TestCase
             ->expects(static::atLeastOnce())
             ->method('executeHooks')
             ->withConsecutive(['render_daily'])
-            ->willReturnCallback(function (string $hook, array $data, array $param) use ($currentDay): array {
-                if ('render_daily' === $hook) {
-                    static::assertArrayHasKey('linksToDisplay', $data);
-                    static::assertCount(3, $data['linksToDisplay']);
-                    static::assertSame(1, $data['linksToDisplay'][0]['id']);
-                    static::assertSame($currentDay->getTimestamp(), $data['day']);
-                    static::assertSame('20200510', $data['previousday']);
-                    static::assertSame('20200516', $data['nextday']);
-
-                    static::assertArrayHasKey('loggedin', $param);
+            ->willReturnCallback(
+                function (string $hook, array $data, array $param) use ($currentDay, $previousDate, $nextDate): array {
+                    if ('render_daily' === $hook) {
+                        static::assertArrayHasKey('linksToDisplay', $data);
+                        static::assertCount(3, $data['linksToDisplay']);
+                        static::assertSame(1, $data['linksToDisplay'][0]['id']);
+                        static::assertSame($currentDay->getTimestamp(), $data['day']);
+                        static::assertSame($previousDate->format('Ymd'), $data['previousday']);
+                        static::assertSame($nextDate->format('Ymd'), $data['nextday']);
+
+                        static::assertArrayHasKey('loggedin', $param);
+                    }
+
+                    return $data;
                 }
-
-                return $data;
-            })
+            )
         ;
 
         $result = $this->controller->index($request, $response);
@@ -107,6 +106,11 @@ class DailyControllerTest extends TestCase
         );
         static::assertEquals($currentDay, $assignedVariables['dayDate']);
         static::assertEquals($currentDay->getTimestamp(), $assignedVariables['day']);
+        static::assertSame($previousDate->format('Ymd'), $assignedVariables['previousday']);
+        static::assertSame($nextDate->format('Ymd'), $assignedVariables['nextday']);
+        static::assertSame('day', $assignedVariables['type']);
+        static::assertSame('May 13, 2020', $assignedVariables['dayDesc']);
+        static::assertSame('Daily', $assignedVariables['localizedType']);
         static::assertCount(3, $assignedVariables['linksToDisplay']);
 
         $link = $assignedVariables['linksToDisplay'][0];
@@ -171,27 +175,20 @@ class DailyControllerTest extends TestCase
         $currentDay = new \DateTimeImmutable('2020-05-13');
 
         $request = $this->createMock(Request::class);
+        $request->method('getQueryParam')->willReturnCallback(function (string $key) use ($currentDay): ?string {
+            return $key === 'day' ? $currentDay->format('Ymd') : null;
+        });
         $response = new Response();
 
         // Save RainTPL assigned variables
         $assignedVariables = [];
         $this->assignTemplateVars($assignedVariables);
 
-        // Links dataset: 2 links with thumbnails
         $this->container->bookmarkService
             ->expects(static::once())
-            ->method('days')
+            ->method('findByDate')
             ->willReturnCallback(function () use ($currentDay): array {
                 return [
-                    $currentDay->format($currentDay->format('Ymd')),
-                ];
-            })
-        ;
-        $this->container->bookmarkService
-            ->expects(static::once())
-            ->method('filterDay')
-            ->willReturnCallback(function (): array {
-                return [
                     (new Bookmark())
                         ->setId(1)
                         ->setUrl('http://url.tld')
@@ -250,21 +247,11 @@ class DailyControllerTest extends TestCase
         $assignedVariables = [];
         $this->assignTemplateVars($assignedVariables);
 
-        // Links dataset: 2 links with thumbnails
         $this->container->bookmarkService
             ->expects(static::once())
-            ->method('days')
+            ->method('findByDate')
             ->willReturnCallback(function () use ($currentDay): array {
                 return [
-                    $currentDay->format($currentDay->format('Ymd')),
-                ];
-            })
-        ;
-        $this->container->bookmarkService
-            ->expects(static::once())
-            ->method('filterDay')
-            ->willReturnCallback(function (): array {
-                return [
                     (new Bookmark())->setId(1)->setUrl('http://url.tld')->setTitle('title'),
                     (new Bookmark())
                         ->setId(2)
@@ -320,14 +307,7 @@ class DailyControllerTest extends TestCase
         // Links dataset: 2 links with thumbnails
         $this->container->bookmarkService
             ->expects(static::once())
-            ->method('days')
-            ->willReturnCallback(function (): array {
-                return [];
-            })
-        ;
-        $this->container->bookmarkService
-            ->expects(static::once())
-            ->method('filterDay')
+            ->method('findByDate')
             ->willReturnCallback(function (): array {
                 return [];
             })
@@ -347,7 +327,7 @@ class DailyControllerTest extends TestCase
         static::assertSame(200, $result->getStatusCode());
         static::assertSame('daily', (string) $result->getBody());
         static::assertCount(0, $assignedVariables['linksToDisplay']);
-        static::assertSame('Today', $assignedVariables['dayDesc']);
+        static::assertSame('Today - ' . (new \DateTime())->format('F d, Y'), $assignedVariables['dayDesc']);
         static::assertEquals((new \DateTime())->setTime(0, 0)->getTimestamp(), $assignedVariables['day']);
         static::assertEquals((new \DateTime())->setTime(0, 0), $assignedVariables['dayDate']);
     }
@@ -361,6 +341,7 @@ class DailyControllerTest extends TestCase
             new \DateTimeImmutable('2020-05-17'),
             new \DateTimeImmutable('2020-05-15'),
             new \DateTimeImmutable('2020-05-13'),
+            new \DateTimeImmutable('+1 month'),
         ];
 
         $request = $this->createMock(Request::class);
@@ -371,6 +352,7 @@ class DailyControllerTest extends TestCase
             (new Bookmark())->setId(2)->setCreated($dates[1])->setUrl('http://domain.tld/2'),
             (new Bookmark())->setId(3)->setCreated($dates[1])->setUrl('http://domain.tld/3'),
             (new Bookmark())->setId(4)->setCreated($dates[2])->setUrl('http://domain.tld/4'),
+            (new Bookmark())->setId(5)->setCreated($dates[3])->setUrl('http://domain.tld/5'),
         ]);
 
         $this->container->pageCacheManager
@@ -397,13 +379,14 @@ class DailyControllerTest extends TestCase
         static::assertSame('http://shaarli/subfolder/', $assignedVariables['index_url']);
         static::assertSame('http://shaarli/subfolder/daily-rss', $assignedVariables['page_url']);
         static::assertFalse($assignedVariables['hide_timestamps']);
-        static::assertCount(2, $assignedVariables['days']);
+        static::assertCount(3, $assignedVariables['days']);
 
         $day = $assignedVariables['days'][$dates[0]->format('Ymd')];
+        $date = $dates[0]->setTime(23, 59, 59);
 
-        static::assertEquals($dates[0], $day['date']);
-        static::assertSame($dates[0]->format(\DateTime::RSS), $day['date_rss']);
-        static::assertSame(format_date($dates[0], false), $day['date_human']);
+        static::assertEquals($date, $day['date']);
+        static::assertSame($date->format(\DateTime::RSS), $day['date_rss']);
+        static::assertSame(format_date($date, false), $day['date_human']);
         static::assertSame('http://shaarli/subfolder/daily?day='. $dates[0]->format('Ymd'), $day['absolute_url']);
         static::assertCount(1, $day['links']);
         static::assertSame(1, $day['links'][0]['id']);
@@ -411,10 +394,11 @@ class DailyControllerTest extends TestCase
         static::assertEquals($dates[0], $day['links'][0]['created']);
 
         $day = $assignedVariables['days'][$dates[1]->format('Ymd')];
+        $date = $dates[1]->setTime(23, 59, 59);
 
-        static::assertEquals($dates[1], $day['date']);
-        static::assertSame($dates[1]->format(\DateTime::RSS), $day['date_rss']);
-        static::assertSame(format_date($dates[1], false), $day['date_human']);
+        static::assertEquals($date, $day['date']);
+        static::assertSame($date->format(\DateTime::RSS), $day['date_rss']);
+        static::assertSame(format_date($date, false), $day['date_human']);
         static::assertSame('http://shaarli/subfolder/daily?day='. $dates[1]->format('Ymd'), $day['absolute_url']);
         static::assertCount(2, $day['links']);
 
@@ -424,6 +408,18 @@ class DailyControllerTest extends TestCase
         static::assertSame(3, $day['links'][1]['id']);
         static::assertSame('http://domain.tld/3', $day['links'][1]['url']);
         static::assertEquals($dates[1], $day['links'][1]['created']);
+
+        $day = $assignedVariables['days'][$dates[2]->format('Ymd')];
+        $date = $dates[2]->setTime(23, 59, 59);
+
+        static::assertEquals($date, $day['date']);
+        static::assertSame($date->format(\DateTime::RSS), $day['date_rss']);
+        static::assertSame(format_date($date, false), $day['date_human']);
+        static::assertSame('http://shaarli/subfolder/daily?day='. $dates[2]->format('Ymd'), $day['absolute_url']);
+        static::assertCount(1, $day['links']);
+        static::assertSame(4, $day['links'][0]['id']);
+        static::assertSame('http://domain.tld/4', $day['links'][0]['url']);
+        static::assertEquals($dates[2], $day['links'][0]['created']);
     }
 
     /**
@@ -475,4 +471,246 @@ class DailyControllerTest extends TestCase
         static::assertFalse($assignedVariables['hide_timestamps']);
         static::assertCount(0, $assignedVariables['days']);
     }
+
+    /**
+     * Test simple display index with week parameter
+     */
+    public function testSimpleIndexWeekly(): void
+    {
+        $currentDay = new \DateTimeImmutable('2020-05-13');
+        $expectedDay = new \DateTimeImmutable('2020-05-11');
+
+        $request = $this->createMock(Request::class);
+        $request->method('getQueryParam')->willReturnCallback(function (string $key) use ($currentDay): ?string {
+            return $key === 'week' ? $currentDay->format('YW') : null;
+        });
+        $response = new Response();
+
+        // Save RainTPL assigned variables
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('findByDate')
+            ->willReturnCallback(
+                function (): array {
+                    return [
+                        (new Bookmark())
+                            ->setId(1)
+                            ->setUrl('http://url.tld')
+                            ->setTitle(static::generateString(50))
+                            ->setDescription(static::generateString(500))
+                        ,
+                        (new Bookmark())
+                            ->setId(2)
+                            ->setUrl('http://url2.tld')
+                            ->setTitle(static::generateString(50))
+                            ->setDescription(static::generateString(500))
+                        ,
+                    ];
+                }
+            )
+        ;
+
+        $result = $this->controller->index($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('daily', (string) $result->getBody());
+        static::assertSame(
+            'Weekly - Week 20 (May 11, 2020) - Shaarli',
+            $assignedVariables['pagetitle']
+        );
+
+        static::assertCount(2, $assignedVariables['linksToDisplay']);
+        static::assertEquals($expectedDay->setTime(0, 0), $assignedVariables['dayDate']);
+        static::assertSame($expectedDay->setTime(0, 0)->getTimestamp(), $assignedVariables['day']);
+        static::assertSame('', $assignedVariables['previousday']);
+        static::assertSame('', $assignedVariables['nextday']);
+        static::assertSame('Week 20 (May 11, 2020)', $assignedVariables['dayDesc']);
+        static::assertSame('week', $assignedVariables['type']);
+        static::assertSame('Weekly', $assignedVariables['localizedType']);
+    }
+
+    /**
+     * Test simple display index with month parameter
+     */
+    public function testSimpleIndexMonthly(): void
+    {
+        $currentDay = new \DateTimeImmutable('2020-05-13');
+        $expectedDay = new \DateTimeImmutable('2020-05-01');
+
+        $request = $this->createMock(Request::class);
+        $request->method('getQueryParam')->willReturnCallback(function (string $key) use ($currentDay): ?string {
+            return $key === 'month' ? $currentDay->format('Ym') : null;
+        });
+        $response = new Response();
+
+        // Save RainTPL assigned variables
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('findByDate')
+            ->willReturnCallback(
+                function (): array {
+                    return [
+                        (new Bookmark())
+                            ->setId(1)
+                            ->setUrl('http://url.tld')
+                            ->setTitle(static::generateString(50))
+                            ->setDescription(static::generateString(500))
+                        ,
+                        (new Bookmark())
+                            ->setId(2)
+                            ->setUrl('http://url2.tld')
+                            ->setTitle(static::generateString(50))
+                            ->setDescription(static::generateString(500))
+                        ,
+                    ];
+                }
+            )
+        ;
+
+        $result = $this->controller->index($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('daily', (string) $result->getBody());
+        static::assertSame(
+            'Monthly - May, 2020 - Shaarli',
+            $assignedVariables['pagetitle']
+        );
+
+        static::assertCount(2, $assignedVariables['linksToDisplay']);
+        static::assertEquals($expectedDay->setTime(0, 0), $assignedVariables['dayDate']);
+        static::assertSame($expectedDay->setTime(0, 0)->getTimestamp(), $assignedVariables['day']);
+        static::assertSame('', $assignedVariables['previousday']);
+        static::assertSame('', $assignedVariables['nextday']);
+        static::assertSame('May, 2020', $assignedVariables['dayDesc']);
+        static::assertSame('month', $assignedVariables['type']);
+        static::assertSame('Monthly', $assignedVariables['localizedType']);
+    }
+
+    /**
+     * Test simple display RSS with week parameter
+     */
+    public function testSimpleRssWeekly(): void
+    {
+        $dates = [
+            new \DateTimeImmutable('2020-05-19'),
+            new \DateTimeImmutable('2020-05-13'),
+        ];
+        $expectedDates = [
+            new \DateTimeImmutable('2020-05-24 23:59:59'),
+            new \DateTimeImmutable('2020-05-17 23:59:59'),
+        ];
+
+        $this->container->environment['QUERY_STRING'] = 'week';
+        $request = $this->createMock(Request::class);
+        $request->method('getQueryParam')->willReturnCallback(function (string $key): ?string {
+            return $key === 'week' ? '' : null;
+        });
+        $response = new Response();
+
+        $this->container->bookmarkService->expects(static::once())->method('search')->willReturn([
+            (new Bookmark())->setId(1)->setCreated($dates[0])->setUrl('http://domain.tld/1'),
+            (new Bookmark())->setId(2)->setCreated($dates[1])->setUrl('http://domain.tld/2'),
+            (new Bookmark())->setId(3)->setCreated($dates[1])->setUrl('http://domain.tld/3'),
+        ]);
+
+        // Save RainTPL assigned variables
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $result = $this->controller->rss($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertStringContainsString('application/rss', $result->getHeader('Content-Type')[0]);
+        static::assertSame('dailyrss', (string) $result->getBody());
+        static::assertSame('Shaarli', $assignedVariables['title']);
+        static::assertSame('http://shaarli/subfolder/', $assignedVariables['index_url']);
+        static::assertSame('http://shaarli/subfolder/daily-rss?week', $assignedVariables['page_url']);
+        static::assertFalse($assignedVariables['hide_timestamps']);
+        static::assertCount(2, $assignedVariables['days']);
+
+        $day = $assignedVariables['days'][$dates[0]->format('YW')];
+        $date = $expectedDates[0];
+
+        static::assertEquals($date, $day['date']);
+        static::assertSame($date->format(\DateTime::RSS), $day['date_rss']);
+        static::assertSame('Week 21 (May 18, 2020)', $day['date_human']);
+        static::assertSame('http://shaarli/subfolder/daily?week='. $dates[0]->format('YW'), $day['absolute_url']);
+        static::assertCount(1, $day['links']);
+
+        $day = $assignedVariables['days'][$dates[1]->format('YW')];
+        $date = $expectedDates[1];
+
+        static::assertEquals($date, $day['date']);
+        static::assertSame($date->format(\DateTime::RSS), $day['date_rss']);
+        static::assertSame('Week 20 (May 11, 2020)', $day['date_human']);
+        static::assertSame('http://shaarli/subfolder/daily?week='. $dates[1]->format('YW'), $day['absolute_url']);
+        static::assertCount(2, $day['links']);
+    }
+
+    /**
+     * Test simple display RSS with month parameter
+     */
+    public function testSimpleRssMonthly(): void
+    {
+        $dates = [
+            new \DateTimeImmutable('2020-05-19'),
+            new \DateTimeImmutable('2020-04-13'),
+        ];
+        $expectedDates = [
+            new \DateTimeImmutable('2020-05-31 23:59:59'),
+            new \DateTimeImmutable('2020-04-30 23:59:59'),
+        ];
+
+        $this->container->environment['QUERY_STRING'] = 'month';
+        $request = $this->createMock(Request::class);
+        $request->method('getQueryParam')->willReturnCallback(function (string $key): ?string {
+            return $key === 'month' ? '' : null;
+        });
+        $response = new Response();
+
+        $this->container->bookmarkService->expects(static::once())->method('search')->willReturn([
+            (new Bookmark())->setId(1)->setCreated($dates[0])->setUrl('http://domain.tld/1'),
+            (new Bookmark())->setId(2)->setCreated($dates[1])->setUrl('http://domain.tld/2'),
+            (new Bookmark())->setId(3)->setCreated($dates[1])->setUrl('http://domain.tld/3'),
+        ]);
+
+        // Save RainTPL assigned variables
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $result = $this->controller->rss($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertStringContainsString('application/rss', $result->getHeader('Content-Type')[0]);
+        static::assertSame('dailyrss', (string) $result->getBody());
+        static::assertSame('Shaarli', $assignedVariables['title']);
+        static::assertSame('http://shaarli/subfolder/', $assignedVariables['index_url']);
+        static::assertSame('http://shaarli/subfolder/daily-rss?month', $assignedVariables['page_url']);
+        static::assertFalse($assignedVariables['hide_timestamps']);
+        static::assertCount(2, $assignedVariables['days']);
+
+        $day = $assignedVariables['days'][$dates[0]->format('Ym')];
+        $date = $expectedDates[0];
+
+        static::assertEquals($date, $day['date']);
+        static::assertSame($date->format(\DateTime::RSS), $day['date_rss']);
+        static::assertSame('May, 2020', $day['date_human']);
+        static::assertSame('http://shaarli/subfolder/daily?month='. $dates[0]->format('Ym'), $day['absolute_url']);
+        static::assertCount(1, $day['links']);
+
+        $day = $assignedVariables['days'][$dates[1]->format('Ym')];
+        $date = $expectedDates[1];
+
+        static::assertEquals($date, $day['date']);
+        static::assertSame($date->format(\DateTime::RSS), $day['date_rss']);
+        static::assertSame('April, 2020', $day['date_human']);
+        static::assertSame('http://shaarli/subfolder/daily?month='. $dates[1]->format('Ym'), $day['absolute_url']);
+        static::assertCount(2, $day['links']);
+    }
 }
diff --git a/tests/helper/DailyPageHelperTest.php b/tests/helper/DailyPageHelperTest.php
new file mode 100644
index 00000000..e0378491
--- /dev/null
+++ b/tests/helper/DailyPageHelperTest.php
@@ -0,0 +1,262 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Helper;
+
+use Shaarli\Bookmark\Bookmark;
+use Shaarli\TestCase;
+use Slim\Http\Request;
+
+class DailyPageHelperTest extends TestCase
+{
+    /**
+     * @dataProvider getRequestedTypes
+     */
+    public function testExtractRequestedType(array $queryParams, string $expectedType): void
+    {
+        $request = $this->createMock(Request::class);
+        $request->method('getQueryParam')->willReturnCallback(function ($key) use ($queryParams): ?string {
+            return $queryParams[$key] ?? null;
+        });
+
+        $type = DailyPageHelper::extractRequestedType($request);
+
+        static::assertSame($type, $expectedType);
+    }
+
+    /**
+     * @dataProvider getRequestedDateTimes
+     */
+    public function testExtractRequestedDateTime(
+        string $type,
+        string $input,
+        ?Bookmark $bookmark,
+        \DateTimeInterface $expectedDateTime,
+        string $compareFormat = 'Ymd'
+    ): void {
+        $dateTime = DailyPageHelper::extractRequestedDateTime($type, $input, $bookmark);
+
+        static::assertSame($dateTime->format($compareFormat), $expectedDateTime->format($compareFormat));
+    }
+
+    public function testExtractRequestedDateTimeExceptionUnknownType(): void
+    {
+        $this->expectException(\Exception::class);
+        $this->expectExceptionMessage('Unsupported daily format type');
+
+        DailyPageHelper::extractRequestedDateTime('nope', null, null);
+    }
+
+    /**
+     * @dataProvider getFormatsByType
+     */
+    public function testGetFormatByType(string $type, string $expectedFormat): void
+    {
+        $format = DailyPageHelper::getFormatByType($type);
+
+        static::assertSame($expectedFormat, $format);
+    }
+
+    public function testGetFormatByTypeExceptionUnknownType(): void
+    {
+        $this->expectException(\Exception::class);
+        $this->expectExceptionMessage('Unsupported daily format type');
+
+        DailyPageHelper::getFormatByType('nope');
+    }
+
+    /**
+     * @dataProvider getStartDatesByType
+     */
+    public function testGetStartDatesByType(
+        string $type,
+        \DateTimeImmutable $dateTime,
+        \DateTimeInterface $expectedDateTime
+    ): void {
+        $startDateTime = DailyPageHelper::getStartDateTimeByType($type, $dateTime);
+
+        static::assertEquals($expectedDateTime, $startDateTime);
+    }
+
+    public function testGetStartDatesByTypeExceptionUnknownType(): void
+    {
+        $this->expectException(\Exception::class);
+        $this->expectExceptionMessage('Unsupported daily format type');
+
+        DailyPageHelper::getStartDateTimeByType('nope', new \DateTimeImmutable());
+    }
+
+    /**
+     * @dataProvider getEndDatesByType
+     */
+    public function testGetEndDatesByType(
+        string $type,
+        \DateTimeImmutable $dateTime,
+        \DateTimeInterface $expectedDateTime
+    ): void {
+        $endDateTime = DailyPageHelper::getEndDateTimeByType($type, $dateTime);
+
+        static::assertEquals($expectedDateTime, $endDateTime);
+    }
+
+    public function testGetEndDatesByTypeExceptionUnknownType(): void
+    {
+        $this->expectException(\Exception::class);
+        $this->expectExceptionMessage('Unsupported daily format type');
+
+        DailyPageHelper::getEndDateTimeByType('nope', new \DateTimeImmutable());
+    }
+
+    /**
+     * @dataProvider getDescriptionsByType
+     */
+    public function testGeDescriptionsByType(
+        string $type,
+        \DateTimeImmutable $dateTime,
+        string $expectedDescription
+    ): void {
+        $description = DailyPageHelper::getDescriptionByType($type, $dateTime);
+
+        static::assertEquals($expectedDescription, $description);
+    }
+
+    public function getDescriptionByTypeExceptionUnknownType(): void
+    {
+        $this->expectException(\Exception::class);
+        $this->expectExceptionMessage('Unsupported daily format type');
+
+        DailyPageHelper::getDescriptionByType('nope', new \DateTimeImmutable());
+    }
+
+    /**
+     * @dataProvider getRssLengthsByType
+     */
+    public function testGeRssLengthsByType(string $type): void {
+        $length = DailyPageHelper::getRssLengthByType($type);
+
+        static::assertIsInt($length);
+    }
+
+    public function testGeRssLengthsByTypeExceptionUnknownType(): void
+    {
+        $this->expectException(\Exception::class);
+        $this->expectExceptionMessage('Unsupported daily format type');
+
+        DailyPageHelper::getRssLengthByType('nope');
+    }
+
+    /**
+     * Data provider for testExtractRequestedType() test method.
+     */
+    public function getRequestedTypes(): array
+    {
+        return [
+            [['month' => null], DailyPageHelper::DAY],
+            [['month' => ''], DailyPageHelper::MONTH],
+            [['month' => 'content'], DailyPageHelper::MONTH],
+            [['week' => null], DailyPageHelper::DAY],
+            [['week' => ''], DailyPageHelper::WEEK],
+            [['week' => 'content'], DailyPageHelper::WEEK],
+            [['day' => null], DailyPageHelper::DAY],
+            [['day' => ''], DailyPageHelper::DAY],
+            [['day' => 'content'], DailyPageHelper::DAY],
+        ];
+    }
+
+    /**
+     * Data provider for testExtractRequestedDateTime() test method.
+     */
+    public function getRequestedDateTimes(): array
+    {
+        return [
+            [DailyPageHelper::DAY, '20201013', null, new \DateTime('2020-10-13')],
+            [
+                DailyPageHelper::DAY,
+                '',
+                (new Bookmark())->setCreated($date = new \DateTime('2020-10-13 12:05:31')),
+                $date,
+            ],
+            [DailyPageHelper::DAY, '', null, new \DateTime()],
+            [DailyPageHelper::WEEK, '202030', null, new \DateTime('2020-07-20')],
+            [
+                DailyPageHelper::WEEK,
+                '',
+                (new Bookmark())->setCreated($date = new \DateTime('2020-10-13 12:05:31')),
+                new \DateTime('2020-10-13'),
+            ],
+            [DailyPageHelper::WEEK, '', null, new \DateTime(), 'Ym'],
+            [DailyPageHelper::MONTH, '202008', null, new \DateTime('2020-08-01'), 'Ym'],
+            [
+                DailyPageHelper::MONTH,
+                '',
+                (new Bookmark())->setCreated($date = new \DateTime('2020-10-13 12:05:31')),
+                new \DateTime('2020-10-13'),
+                'Ym'
+            ],
+            [DailyPageHelper::MONTH, '', null, new \DateTime(), 'Ym'],
+        ];
+    }
+
+    /**
+     * Data provider for testGetFormatByType() test method.
+     */
+    public function getFormatsByType(): array
+    {
+        return [
+            [DailyPageHelper::DAY, 'Ymd'],
+            [DailyPageHelper::WEEK, 'YW'],
+            [DailyPageHelper::MONTH, 'Ym'],
+        ];
+    }
+
+    /**
+     * Data provider for testGetStartDatesByType() test method.
+     */
+    public function getStartDatesByType(): array
+    {
+        return [
+            [DailyPageHelper::DAY, new \DateTimeImmutable('2020-10-09 04:05:06'), new \DateTime('2020-10-09 00:00:00')],
+            [DailyPageHelper::WEEK, new \DateTimeImmutable('2020-10-09 04:05:06'), new \DateTime('2020-10-05 00:00:00')],
+            [DailyPageHelper::MONTH, new \DateTimeImmutable('2020-10-09 04:05:06'), new \DateTime('2020-10-01 00:00:00')],
+        ];
+    }
+
+    /**
+     * Data provider for testGetEndDatesByType() test method.
+     */
+    public function getEndDatesByType(): array
+    {
+        return [
+            [DailyPageHelper::DAY, new \DateTimeImmutable('2020-10-09 04:05:06'), new \DateTime('2020-10-09 23:59:59')],
+            [DailyPageHelper::WEEK, new \DateTimeImmutable('2020-10-09 04:05:06'), new \DateTime('2020-10-11 23:59:59')],
+            [DailyPageHelper::MONTH, new \DateTimeImmutable('2020-10-09 04:05:06'), new \DateTime('2020-10-31 23:59:59')],
+        ];
+    }
+
+    /**
+     * Data provider for testGetDescriptionsByType() test method.
+     */
+    public function getDescriptionsByType(): array
+    {
+        return [
+            [DailyPageHelper::DAY, $date = new \DateTimeImmutable(), 'Today - ' . $date->format('F d, Y')],
+            [DailyPageHelper::DAY, $date = new \DateTimeImmutable('-1 day'), 'Yesterday - ' . $date->format('F d, Y')],
+            [DailyPageHelper::DAY, new \DateTimeImmutable('2020-10-09 04:05:06'), 'October 9, 2020'],
+            [DailyPageHelper::WEEK, new \DateTimeImmutable('2020-10-09 04:05:06'), 'Week 41 (October 5, 2020)'],
+            [DailyPageHelper::MONTH, new \DateTimeImmutable('2020-10-09 04:05:06'), 'October, 2020'],
+        ];
+    }
+
+    /**
+     * Data provider for testGetDescriptionsByType() test method.
+     */
+    public function getRssLengthsByType(): array
+    {
+        return [
+            [DailyPageHelper::DAY],
+            [DailyPageHelper::WEEK],
+            [DailyPageHelper::MONTH],
+        ];
+    }
+}