Added page revision counting

Adds stored revision counts to pages and the revisions themselves.
Closes #321

@@ -569,6 +569,7 @@ class EntityRepo
         $draftPage->html = $this->formatHtml($input['html']);
         $draftPage->text = strip_tags($draftPage->html);
         $draftPage->draft = false;
+        $draftPage->revision_count = 1;
 
         $draftPage->save();
         $this->savePageRevision($draftPage, trans('entities.pages_initial_revision'));
@@ -593,6 +594,7 @@ class EntityRepo
         $revision->created_at = $page->updated_at;
         $revision->type = 'version';
         $revision->summary = $summary;
+        $revision->revision_number = $page->revision_count;
         $revision->save();
 
         // Clear old revisions
@@ -812,6 +814,7 @@ class EntityRepo
         $page->text = strip_tags($page->html);
         if (setting('app-editor') !== 'markdown') $page->markdown = '';
         $page->updated_by = $userId;
+        $page->revision_count++;
         $page->save();
 
         // Remove all update drafts for this user & page.
@@ -920,6 +923,7 @@ class EntityRepo
      */
     public function restorePageRevision(Page $page, Book $book, $revisionId)
     {
+        $page->revision_count++;
         $this->savePageRevision($page);
         $revision = $page->revisions()->where('id', '=', $revisionId)->first();
         $page->fill($revision->toArray());

+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class AddRevisionCounts extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('pages', function (Blueprint $table) {
+            $table->integer('revision_count');
+        });
+        Schema::table('page_revisions', function (Blueprint $table) {
+            $table->integer('revision_number');
+            $table->index('revision_number');
+        });
+
+        // Update revision count
+        $pTable = DB::getTablePrefix() . 'pages';
+        $rTable = DB::getTablePrefix() . 'page_revisions';
+        DB::statement("UPDATE ${pTable} SET ${pTable}.revision_count=(SELECT count(*) FROM ${rTable} WHERE ${rTable}.page_id=${pTable}.id)");
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('pages', function (Blueprint $table) {
+            $table->dropColumn('revision_count');
+        });
+        Schema::table('page_revisions', function (Blueprint $table) {
+            $table->dropColumn('revision_number');
+        });
+    }
+}

@@ -14,6 +14,7 @@ return [
     'recent_activity' => 'Recent Activity',
     'create_now' => 'Create one now',
     'revisions' => 'Revisions',
+    'meta_revision' => 'Revision #:revisionCount',
     'meta_created' => 'Created :timeLength',
     'meta_created_name' => 'Created :timeLength by :user',
     'meta_updated' => 'Updated :timeLength',
@@ -168,6 +169,7 @@ return [
     'pages_revision_named' => 'Page Revision for :pageName',
     'pages_revisions_created_by' => 'Created By',
     'pages_revisions_date' => 'Revision Date',
+    'pages_revisions_number' => '#',
     'pages_revisions_changelog' => 'Changelog',
     'pages_revisions_changes' => 'Changes',
     'pages_revisions_current' => 'Current Version',

@@ -19,6 +19,7 @@
 
             <table class="table">
                 <tr>
+                    <th width="3%">{{ trans('entities.pages_revisions_number') }}</th>
                     <th width="23%">{{ trans('entities.pages_name') }}</th>
                     <th colspan="2" width="8%">{{ trans('entities.pages_revisions_created_by') }}</th>
                     <th width="15%">{{ trans('entities.pages_revisions_date') }}</th>
@@ -27,6 +28,7 @@
                 </tr>
                 @foreach($page->revisions as $index => $revision)
                     <tr>
+                        <td>{{ $revision->revision_number == 0 ? '' : $revision->revision_number }}</td>
                         <td>{{ $revision->name }}</td>
                         <td style="line-height: 0;">
                             @if($revision->createdBy)

 <p class="text-muted small">
+    @if ($entity->isA('page')) {{ trans('entities.meta_revision', ['revisionCount' => $entity->revision_count]) }} <br> @endif
     @if ($entity->createdBy)
-        {!! trans('entities.meta_created_name', ['timeLength' => $entity->created_at->diffForHumans(), 'user' => "<a href='{$entity->createdBy->getProfileUrl()}'>".htmlentities($entity->createdBy->name). "</a>"]) !!}
+        {!! trans('entities.meta_created_name', [
+            'timeLength' => '<span title="'.$entity->created_at->toDayDateTimeString().'">'.$entity->created_at->diffForHumans() . '</span>',
+            'user' => "<a href='{$entity->createdBy->getProfileUrl()}'>".htmlentities($entity->createdBy->name). "</a>"
+            ]) !!}
     @else
-        {{ trans('entities.meta_created', ['timeLength' => $entity->created_at->diffForHumans()]) }}
+        <span title="{{$entity->created_at->toDayDateTimeString()}}">{{ trans('entities.meta_created', ['timeLength' => $entity->created_at->diffForHumans()]) }}</span>
     @endif
     <br>
     @if ($entity->updatedBy)
-        {!! trans('entities.meta_updated_name', ['timeLength' => $entity->updated_at->diffForHumans(), 'user' => "<a href='{$entity->updatedBy->getProfileUrl()}'>".htmlentities($entity->updatedBy->name). "</a>"]) !!}
+        {!! trans('entities.meta_updated_name', [
+                'timeLength' => '<span title="' . $entity->updated_at->toDayDateTimeString() .'">' . $entity->updated_at->diffForHumans() .'</span>',
+                'user' => "<a href='{$entity->updatedBy->getProfileUrl()}'>".htmlentities($entity->updatedBy->name). "</a>"
+            ]) !!}
     @else
-        {{ trans('entities.meta_updated', ['timeLength' => $entity->updated_at->diffForHumans()]) }}
+        <span title="{{ $entity->updated_at->toDayDateTimeString() }}">{{ trans('entities.meta_updated', ['timeLength' => $entity->updated_at->diffForHumans()]) }}</span>
     @endif
 </p>
\ No newline at end of file

 <?php namespace Tests;
 
+use BookStack\Book;
+use BookStack\Chapter;
+use BookStack\Page;
+use BookStack\Repos\EntityRepo;
+use BookStack\Repos\UserRepo;
+
 class EntityTest extends BrowserKitTest
 {
 
@@ -18,7 +24,7 @@ class EntityTest extends BrowserKitTest
         $this->bookDelete($book);
     }
 
-    public function bookDelete(\BookStack\Book $book)
+    public function bookDelete(Book $book)
     {
         $this->asAdmin()
             ->visit($book->getUrl())
@@ -32,7 +38,7 @@ class EntityTest extends BrowserKitTest
             ->notSeeInDatabase('books', ['id' => $book->id]);
     }
 
-    public function bookUpdate(\BookStack\Book $book)
+    public function bookUpdate(Book $book)
     {
         $newName = $book->name . ' Updated';
         $this->asAdmin()
@@ -46,12 +52,12 @@ class EntityTest extends BrowserKitTest
             ->seePageIs($book->getUrl() . '-updated')
             ->see($newName);
 
-        return \BookStack\Book::find($book->id);
+        return Book::find($book->id);
     }
 
     public function test_book_sort_page_shows()
     {
-        $books =  \BookStack\Book::all();
+        $books =  Book::all();
         $bookToSort = $books[0];
         $this->asAdmin()
             ->visit($bookToSort->getUrl())
@@ -65,7 +71,7 @@ class EntityTest extends BrowserKitTest
 
     public function test_book_sort_item_returns_book_content()
     {
-        $books =  \BookStack\Book::all();
+        $books =  Book::all();
         $bookToSort = $books[0];
         $firstPage = $bookToSort->pages[0];
         $firstChapter = $bookToSort->chapters[0];
@@ -79,7 +85,7 @@ class EntityTest extends BrowserKitTest
 
     public function pageCreation($chapter)
     {
-        $page = factory(\BookStack\Page::class)->make([
+        $page = factory(Page::class)->make([
             'name' => 'My First Page'
         ]);
 
@@ -88,7 +94,7 @@ class EntityTest extends BrowserKitTest
             ->visit($chapter->getUrl())
             ->click('New Page');
 
-        $draftPage = \BookStack\Page::where('draft', '=', true)->orderBy('created_at', 'desc')->first();
+        $draftPage = Page::where('draft', '=', true)->orderBy('created_at', 'desc')->first();
 
         $this->seePageIs($draftPage->getUrl())
             // Fill out form
@@ -99,13 +105,13 @@ class EntityTest extends BrowserKitTest
             ->seePageIs($chapter->book->getUrl() . '/page/my-first-page')
             ->see($page->name);
 
-        $page = \BookStack\Page::where('slug', '=', 'my-first-page')->where('chapter_id', '=', $chapter->id)->first();
+        $page = Page::where('slug', '=', 'my-first-page')->where('chapter_id', '=', $chapter->id)->first();
         return $page;
     }
 
-    public function chapterCreation(\BookStack\Book $book)
+    public function chapterCreation(Book $book)
     {
-        $chapter = factory(\BookStack\Chapter::class)->make([
+        $chapter = factory(Chapter::class)->make([
             'name' => 'My First Chapter'
         ]);
 
@@ -122,13 +128,13 @@ class EntityTest extends BrowserKitTest
             ->seePageIs($book->getUrl() . '/chapter/my-first-chapter')
             ->see($chapter->name)->see($chapter->description);
 
-        $chapter = \BookStack\Chapter::where('slug', '=', 'my-first-chapter')->where('book_id', '=', $book->id)->first();
+        $chapter = Chapter::where('slug', '=', 'my-first-chapter')->where('book_id', '=', $book->id)->first();
         return $chapter;
     }
 
     public function bookCreation()
     {
-        $book = factory(\BookStack\Book::class)->make([
+        $book = factory(Book::class)->make([
             'name' => 'My First Book'
         ]);
         $this->asAdmin()
@@ -154,7 +160,7 @@ class EntityTest extends BrowserKitTest
         $expectedPattern = '/\/books\/my-first-book-[0-9a-zA-Z]{3}/';
         $this->assertRegExp($expectedPattern, $this->currentUri, "Did not land on expected page [$expectedPattern].\n");
 
-        $book = \BookStack\Book::where('slug', '=', 'my-first-book')->first();
+        $book = Book::where('slug', '=', 'my-first-book')->first();
         return $book;
     }
 
@@ -165,8 +171,8 @@ class EntityTest extends BrowserKitTest
         $updater = $this->getEditor();
         $entities = $this->createEntityChainBelongingToUser($creator, $updater);
         $this->actingAs($creator);
-        app('BookStack\Repos\UserRepo')->destroy($creator);
-        app('BookStack\Repos\EntityRepo')->savePageRevision($entities['page']);
+        app(UserRepo::class)->destroy($creator);
+        app(EntityRepo::class)->savePageRevision($entities['page']);
 
         $this->checkEntitiesViewable($entities);
     }
@@ -178,8 +184,8 @@ class EntityTest extends BrowserKitTest
         $updater = $this->getEditor();
         $entities = $this->createEntityChainBelongingToUser($creator, $updater);
         $this->actingAs($updater);
-        app('BookStack\Repos\UserRepo')->destroy($updater);
-        app('BookStack\Repos\EntityRepo')->savePageRevision($entities['page']);
+        app(UserRepo::class)->destroy($updater);
+        app(EntityRepo::class)->savePageRevision($entities['page']);
 
         $this->checkEntitiesViewable($entities);
     }
@@ -216,7 +222,7 @@ class EntityTest extends BrowserKitTest
 
     public function test_old_page_slugs_redirect_to_new_pages()
     {
-        $page = \BookStack\Page::first();
+        $page = Page::first();
         $pageUrl = $page->getUrl();
         $newPageUrl = '/books/' . $page->book->slug . '/page/super-test-page';
         // Need to save twice since revisions are not generated in seeder.
@@ -225,7 +231,7 @@ class EntityTest extends BrowserKitTest
             ->type('super test', '#name')
             ->press('Save Page');
 
-        $page = \BookStack\Page::first();
+        $page = Page::first();
         $pageUrl = $page->getUrl();
 
         // Second Save
@@ -242,7 +248,7 @@ class EntityTest extends BrowserKitTest
 
     public function test_recently_updated_pages_on_home()
     {
-        $page = \BookStack\Page::orderBy('updated_at', 'asc')->first();
+        $page = Page::orderBy('updated_at', 'asc')->first();
         $this->asAdmin()->visit('/')
             ->dontSeeInElement('#recently-updated-pages', $page->name);
         $this->visit($page->getUrl() . '/edit')

+<?php namespace Entity;
+
+
+use BookStack\Page;
+use Tests\TestCase;
+
+class PageRevisionTest extends TestCase
+{
+
+    public function test_page_revision_count_increments_on_update()
+    {
+        $page = Page::first();
+        $startCount = $page->revision_count;
+
+        $resp = $this->asEditor()->put($page->getUrl(), ['name' => 'Updated page', 'html' => 'new page html', 'summary' => 'Update a']);
+        $resp->assertStatus(302);
+
+        $this->assertTrue(Page::find($page->id)->revision_count === $startCount+1);
+    }
+
+    public function test_revision_count_shown_in_page_meta()
+    {
+        $page = Page::first();
+        $this->asEditor()->put($page->getUrl(), ['name' => 'Updated page', 'html' => 'new page html', 'summary' => 'Update a']);
+        $this->asEditor()->put($page->getUrl(), ['name' => 'Updated page', 'html' => 'new page html', 'summary' => 'Update a']);
+        $page = Page::find($page->id);
+
+        $pageView = $this->get($page->getUrl());
+        $pageView->assertSee('Revision #' . $page->revision_count);
+    }
+
+}
\ No newline at end of file