/series/info: don't show empty links for buyer/seller/transaction.

Fix #460

Author: cssru

Diff for: src/main/resources/liquibase/version/0.4/2016-08-22--series_sales.xml

@@ -65,7 +65,6 @@
 		<insert tableName="transaction_participants">
 			<column name="id" value="3"/>
 			<column name="name" value="Duncan MacLeod"/>
-			<column name="url" value="http://example.com/duncan-macleod"/>
 		</insert>
 	</changeSet>
 

Diff for: src/main/webapp/WEB-INF/views/series/info.html

@@ -265,16 +265,17 @@ <h5 th:text="#{t_who_selling_series}">Who was selling/buying this series:</h5>
 									<!--/*/
 									<span th:if="${transaction.date != null}" th:remove="tag" th:text="${#dates.format(transaction.date, 'dd.MM.yyyy')}"></span>
 									/*/-->
-									<a href="http://example.com/james-alan-hetfield" rel="nofollow" th:href="${transaction.sellerUrl}" th:text="${transaction.sellerName}">James Alan Hetfield</a>
+									<a href="http://example.com/james-alan-hetfield" rel="nofollow" th:remove="${transaction.sellerUrl == null} ? tag" th:href="${transaction.sellerUrl}" th:text="${transaction.sellerName}">James Alan Hetfield</a>
 									<span th:if="${transaction.buyerName == null}" th:remove="tag" th:text="#{t_was_selling_for}">was selling for</span>
 									<!--/*/
 									<th:block th:if="${transaction.buyerName != null}">
 										<span th:text="#{t_sold_to}" th:remove="tag">sold to</span>
-										<a href="http://example.com/eicca-toppinen" rel="nofollow" th:href="${transaction.buyerUrl}" th:text="${transaction.buyerName}">Eicca Toppinen</a>
+										<a href="http://example.com/eicca-toppinen" rel="nofollow" th:remove="${transaction.buyerUrl == null} ? tag" th:href="${transaction.buyerUrl}" th:text="${transaction.buyerName}">Eicca Toppinen</a>
 										<span th:text="#{t_sold_for}" th:remove="tag">for</span>
 									</th:block>
 									/*/-->
 									<a href="http://example.com/james-alan-hetfield/selling-stamps" rel="nofollow"
+									   th:remove="${transaction.transactionUrl == null} ? tag"
 									   th:href="${transaction.transactionUrl}"
 									   th:text="${firstPrice + optionalSecondPrice}">100 USD</a>
 								</li>
@@ -291,7 +292,7 @@ <h5 th:text="#{t_who_selling_series}">Who was selling/buying this series:</h5>
 									03.03.2003 <a href="http://example.com/eicca-toppinen" rel="nofollow">Eicca Toppinen</a> sold to <a href="http://example.com/kurt-cobain" rel="nofollow">Kurt Cobain</a> for <a href="http://example.com/eicca-toppinen/selling-stamps" rel="nofollow">300 USD</a>
 								</li>
 								<li>
-									03.03.2003 <a href="http://example.com/eicca-toppinen" rel="nofollow">Eicca Toppinen</a> sold to <a href="http://example.com/kurt-cobain" rel="nofollow">Kurt Cobain</a> for <a href="http://example.com/eicca-toppinen/selling-stamps" rel="nofollow">300 USD (1560 RUB)</a>
+									03.03.2003 <a href="http://example.com/eicca-toppinen" rel="nofollow">Eicca Toppinen</a> sold to Michael Jackson for <a href="http://example.com/eicca-toppinen/selling-stamps" rel="nofollow">300 USD (1560 RUB)</a>
 								</li>
 							</ul>
 						</div>