From 7f106d949b0591a93da50384f87579d68aa440d0 Mon Sep 17 00:00:00 2001
From: Georgy Litvinov <git@litvinovg.pro>
Date: Thu, 18 Mar 2021 12:52:17 +0100
Subject: [PATCH] Remove sequential duplicates in literature and sources lists

---
 webapp/src/main/webapp/themes/iph/templates/text-lib.ftl | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/webapp/src/main/webapp/themes/iph/templates/text-lib.ftl b/webapp/src/main/webapp/themes/iph/templates/text-lib.ftl
index d7c5d07d6..bcbde83d5 100644
--- a/webapp/src/main/webapp/themes/iph/templates/text-lib.ftl
+++ b/webapp/src/main/webapp/themes/iph/templates/text-lib.ftl
@@ -126,8 +126,10 @@
 	<#if sources?? && sources?has_content && counter &gt; 0>
 	  <button type="button" class="collapsible" style="border: none; color: #8B4513; padding: 18px;width: 100%;text-align:left; background-color: #ffffff; background-image: url(${urls.base}/themes/iph/images/book_icon.png); background-repeat: no-repeat; background-position: left center;">Источники</button>
 	    <div class="autoExpand documentPart works" id="anchor-${identifier}-sources" style="display:block;">
+	      <#assign lastSource = ""/>
 	      <#list sources as source>
-	        <#if filter == "none" || source.excerpt == filter >
+	        <#if filter == "none" && lastSource != source.works || source.excerpt == filter >
+	          <#assign lastSource = source.works/>
 	          <div class="work" style="display:list-item;list-style-image:url(${urls.base}/themes/iph/images/bullet_icon.png); font-style: italic; font-family: PT Serif;">
 	            <p> ${source.works} </p>
 	          </div>
@@ -141,8 +143,10 @@
 	<#if literature?? && literature?has_content && counter &gt; 0>
 	  <button type="button" class="collapsible" style="border:none; color: #8B4513; padding: 18px;width: 100%; text-align: left; background-color: #ffffff; background-image: url(${urls.base}/themes/iph/images/book_icon.png); background-repeat: no-repeat; background-position: left center;">Литература</button>
 	    <div class="autoExpand documentPart bibliography" id="anchor-${identifier}-literature" style="display:block;">
+	      <#assign lastLiterature = ""/>
 	      <#list literature as literatureItem>
-   	        <#if filter == "none" || literatureItem.excerpt == filter >
+   	        <#if filter == "none" && lastLiterature != literatureItem.bibliography  || literatureItem.excerpt == filter >
+	          <#assign lastLiterature = literatureItem.bibliography/>
 			  <div class="bibliography_entry" style="display:list-item;list-style-image:url(${urls.base}/themes/iph/images/bullet_icon.png); font-style: italic; font-family: PT Serif;">
 	            <p> ${literatureItem.bibliography} </p>
 	          </div>