src/main/java/ru/ulstu/conference/controller/ConferenceController.java

@@ -95,6 +95,16 @@ public class ConferenceController {
         return CONFERENCE_PAGE;
     }
 
+    @PostMapping(value = "/conference", params = "addPaper")
+    public String addPaper(@Valid ConferenceDto conferenceDto, Errors errors) {
+        if (errors.hasErrors()) {
+            return CONFERENCE_PAGE;
+        }
+        conferenceService.addPaper(conferenceDto);
+
+        return CONFERENCE_PAGE;
+    }
+
     @PostMapping(value = "/conference", params = "removeDeadline")
     public String removeDeadline(@Valid ConferenceDto conferenceDto, Errors errors,
                                  @RequestParam(value = "removeDeadline") Integer deadlineIndex) throws IOException {

src/main/java/ru/ulstu/conference/service/ConferenceService.java

@@ -149,7 +149,7 @@ public class ConferenceService {
         conference.setUsers(conferenceUserService.saveOrCreate(conferenceDto.getUsers()));
         if (conferenceDto.getPaperIds() != null && !conferenceDto.getPaperIds().isEmpty()) {
             conferenceDto.getPaperIds().forEach(paperId ->
-                    conference.getPapers().add(paperService.findEntityById(paperId)));
+                    conference.getPapers().add(paperService.findPaperById(paperId)));
         }
         return conference;
     }
@@ -173,4 +173,10 @@ public class ConferenceService {
     public List<Conference> findAllActive() {
         return conferenceRepository.findAllActive(new Date());
     }
+
+    public void addPaper(ConferenceDto conferenceDto) {
+        Paper paper = new Paper();
+        paper.setTitle(userService.getCurrentUser().getLastName() + "_" + conferenceDto.getTitle());
+        conferenceDto.getPapers().add(paper);
+    }
 }

src/main/java/ru/ulstu/paper/service/PaperService.java

@@ -223,7 +223,7 @@ public class PaperService {
         return new PaperDto(paperRepository.findOne(paperId));
     }
 
-    public Paper findEntityById(Integer paperId) {
+    public Paper findPaperById(Integer paperId) {
         return paperRepository.findOne(paperId);
     }
 

src/main/resources/templates/conferences/conference.html

@@ -135,7 +135,15 @@
                                         <div class="paper d-flex list-group-item p-0"
                                              th:each="paper, rowStat : *{papers}">
                                             <a class="paper-name"
-                                               th:href="@{'/papers/paper?id=' + *{papers[__${rowStat.index}__].id} + ''}">
+                                               th:href="@{'/papers/paper?id=' + *{papers[__${rowStat.index}__].id} + ''}"
+                                               th:if="*{papers[__${rowStat.index}__].id !=null}">
+                                                <span th:text="*{papers[__${rowStat.index}__].title}">
+                                                    Имя статьи
+                                                </span>
+                                                <img class="icon-paper" src="/img/conference/paper.png"/>
+                                            </a>
+                                            <a class="paper-name"
+                                               th:unless="*{papers[__${rowStat.index}__].id !=null}">
                                                 <span th:text="*{papers[__${rowStat.index}__].title}">
                                                     Имя статьи
                                                 </span>
@@ -156,7 +164,7 @@
                                         </option>
                                     </select>
                                     <button id="add-paper" class="btn btn-primary"
-                                            type="button">
+                                            type="submit" name="addPaper">
                                         Добавить статью
                                     </button>
                                 </div>