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@@ -29,12 +29,16 @@ class ArticleNavController extends Controller
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->where('level','<',8)
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->orderBy('paragraph','asc')
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->first();
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- $nav['prev']['id'] = $prev->book . '-' . $prev->paragraph;
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- $nav['prev']['title'] = $prev->toc;
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- $nav['prev']['subtitle'] = $prev->toc;
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- $nav['next']['id'] = $next->book . '-' . $next->paragraph;
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- $nav['next']['title'] = $next->toc;
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- $nav['next']['subtitle'] = $next->toc;
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+ if($prev){
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+ $nav['prev']['id'] = $prev->book . '-' . $prev->paragraph;
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+ $nav['prev']['title'] = $prev->toc;
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+ $nav['prev']['subtitle'] = $prev->toc;
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+ }
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+ if($next){
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+ $nav['next']['id'] = $next->book . '-' . $next->paragraph;
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+ $nav['next']['title'] = $next->toc;
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+ $nav['next']['subtitle'] = $next->toc;
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+ }
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break;
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case 'para':
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$para = explode('-',$request->get('id'));
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@@ -46,12 +50,16 @@ class ArticleNavController extends Controller
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->where('paragraph','>',$para[1])
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->orderBy('paragraph','asc')
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->first();
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- $nav['prev']['id'] = $prev->book . '-' . $prev->paragraph;
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- $nav['prev']['title'] = $prev->text;
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- $nav['prev']['subtitle'] = $prev->text;
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- $nav['next']['id'] = $next->book . '-' . $next->paragraph;
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- $nav['next']['title'] = $next->text;
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- $nav['next']['subtitle'] = $next->text;
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+ if($prev){
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+ $nav['prev']['id'] = $prev->book . '-' . $prev->paragraph;
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+ $nav['prev']['title'] = $prev->text;
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+ $nav['prev']['subtitle'] = $prev->text;
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+ }
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+ if($next){
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+ $nav['next']['id'] = $next->book . '-' . $next->paragraph;
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+ $nav['next']['title'] = $next->text;
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+ $nav['next']['subtitle'] = $next->text;
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+ }
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break;
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default:
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return $this->error('type?');
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visuddhinanda