[API] Get rid of NULL in timetable lesson descriptions (#106)

.circleci/config.yml

@@ -228,6 +228,6 @@ workflows:
             - instrumented
           filters:
             branches:
-              only: master
+              ignore: /.*/
             tags:
-              only: /.*/
+              only: /^\d+\.\d+\.\d+$/

api/src/main/java/io/github/wulkanowy/api/timetable/Timetable.java

@@ -94,14 +94,18 @@ public class Timetable {
         moveWarningToLessonNode(e);
 
         switch (e.size()) {
+            case 1:
+                addLessonInfoFromElement(lesson, e.first());
+                break;
             case 2:
                 Element span = e.last().select("span").first();
                 if (span.hasClass(LessonTypes.CLASS_MOVED_OR_CANCELED)) {
                     lesson.setNewMovedInOrChanged(true);
                     lesson.setDescription("poprzednio: " + getLessonAndGroupInfoFromSpan(span)[0]);
+                    addLessonInfoFromElement(lesson, e.first());
+                } else {
+                    addLessonInfoFromElement(lesson, e.last());
                 }
-            case 1:
-                addLessonInfoFromElement(lesson, e.first());
                 break;
             case 3:
                 addLessonInfoFromElement(lesson, e.get(1));
@@ -167,7 +171,8 @@ public class Timetable {
             lesson.setRoom(spans.get(5).text());
             lesson.setMovedOrCanceled(false);
             lesson.setNewMovedInOrChanged(true);
-            lesson.setDescription(StringUtils.substringBetween(spans.last().text(), "(", ")")
+            lesson.setDescription(StringUtils.defaultString(StringUtils.substringBetween(
+                    spans.last().text(), "(", ")"), spans.last().text())
                     + " (poprzednio: " + spans.get(0).text() + ")");
         } else if (9 == spans.size()) {
             String[] subjectAndGroupInfo = getLessonAndGroupInfoFromSpan(spans.get(4));
@@ -178,13 +183,15 @@ public class Timetable {
             lesson.setMovedOrCanceled(false);
             lesson.setNewMovedInOrChanged(true);
             lesson.setDivisionIntoGroups(true);
-            lesson.setDescription(StringUtils.substringBetween(spans.last().text(), "(", ")")
+            lesson.setDescription(StringUtils.defaultString(StringUtils.substringBetween(
+                    spans.last().text(), "(", ")"), spans.last().text())
                     + " (poprzednio: " + getLessonAndGroupInfoFromSpan(spans.get(0))[0] + ")");
         } else if (4 <= spans.size()) {
             lesson.setSubject(spans.get(0).text());
             lesson.setTeacher(spans.get(1).text());
             lesson.setRoom(spans.get(2).text());
-            lesson.setDescription(StringUtils.substringBetween(spans.last().text(), "(", ")"));
+            lesson.setDescription(StringUtils.defaultString(StringUtils.substringBetween(
+                    spans.last().text(), "(", ")"), spans.last().text()));
         }
     }
 
@@ -212,7 +219,8 @@ public class Timetable {
 
         return new String[]{
                 span.text().replace(" " + groupName, ""),
-                StringUtils.substringBetween(groupName, "[", "]")
+                StringUtils.defaultString(StringUtils.substringBetween(
+                        groupName, "[", "]"), groupName)
         };
     }
 }

api/src/test/java/io/github/wulkanowy/api/timetable/TimetableTest.java

@@ -151,6 +151,7 @@ public class TimetableTest extends StudentAndParentTestCase {
         Assert.assertEquals("zastępstwo (poprzednio: Wychowanie fizyczne)", full.getWeekTable().getDay(3).getLesson(1).getDescription());
         Assert.assertEquals("", full.getWeekTable().getDay(4).getLesson(0).getDescription());
         Assert.assertEquals("", full.getWeekTable().getDay(4).getLesson(1).getDescription());
+        Assert.assertEquals("bez nawiasów (poprzednio: Religia)", full.getWeekTable().getDay(4).getLesson(3).getDescription());
         Assert.assertEquals("poprzednio: Wychowanie fizyczne", full.getWeekTable().getDay(4).getLesson(2).getDescription());
         Assert.assertEquals("egzamin", full.getWeekTable().getDay(3).getLesson(0).getDescription());
         Assert.assertEquals("", full.getWeekTable().getDay(4).getLesson(1).getDescription());

api/src/test/resources/io/github/wulkanowy/api/timetable/PlanLekcji-full.html

@@ -3,6 +3,40 @@
   <head>
     <meta charset="utf-8">
     <title>Witryna ucznia i rodzica – Plan lekcji</title>
+    <style>
+      table, th, td {
+        border: 1px solid;
+        border-collapse: collapse;
+      }
+      table td > div:not(:last-child) {
+        border-bottom: 5px solid silver;
+        padding-bottom: 5px;
+        margin-bottom: 5px;
+      }
+      table td div span:nth-child(1) {
+        display: block;
+      }
+      table span {
+        font-size: smaller;
+      }
+      .x-treelabel-ppl {
+        background: #99f;
+        font-style: italic;
+      }
+      .x-treelabel-rlz {
+        background: #f3a;
+      }
+      .x-treelabel-inv {
+        background: #f00;
+      }
+      .x-treelabel-zas {
+        background: #0f0;
+      }
+      table span:not([class]),
+      table span[class=""] {
+        background: #999;
+      }
+    </style>
   </head>
   <body>
     <main class="mainContainer">
@@ -238,7 +272,17 @@
                   <span></span>
                 </div>
               </td>
-              <td></td>
+              <td>
+                <div>
+                  <span class="x-treelabel-inv">Religia</span>
+                  <span class="x-treelabel-inv">Cyranka Krystian</span>
+                  <span class="x-treelabel-inv">3</span>
+                  <span class="x-treelabel-ppl x-treelabel-zas">Wychowanie do życia w rodzinie</span>
+                  <span class="x-treelabel-ppl x-treelabel-zas">Nowak Jadwiga</span>
+                  <span class="x-treelabel-ppl x-treelabel-zas">3</span>
+                  <span class="x-treelabel-rlz">bez nawiasów</span>
+                </div>
+              </td>
             </tr>
             <tr>
               <td>4</td>