Allow disabling dismiss of system messages

each system message can configured to be dismissible or not.
fix #160

README.md

@@ -51,7 +51,7 @@ One or more system messages can be shown between the header and the breadcrumb b
 things related to the instance, e.g. a planned update of Jenkins, a downtime due to hardware replacement or an ongoing 
 incident. You can include html (sanitized with owasp) in the message to apply some simple styling or include a link
 with more details.<br/>
-System messages can have an expiration time to automatically remove them. They can be dismissed on a per-user basis. 
+System messages can have an expiration time to automatically remove them. They can be dismissed on a per-user basis (can be disabled). 
 
 ![System Message](/docs/pics/system-message.png)<br/>
 
@@ -61,12 +61,13 @@ To be able to later delete a system message, pass an id parameter in the call. I
 
 Parameters:
 
-| Parameter  |required| description                                                  |
-|------------|--------|--------------------------------------------------------------|
-| message    | true   | The message, can contain html                                |
-| level      | true   | Message level, one of `info`, `success`, `warning`, `danger` |
-| expireDate | false | Expiration date for the message, format: `yyyy-M-d H:m`      |
-| uid        | false | An optional unique id                                        |
+| Parameter    | required | description                                                  |
+|--------------|----------|--------------------------------------------------------------|
+| message      | true     | The message, can contain html                                |
+| level        | true     | Message level, one of `info`, `success`, `warning`, `danger` |
+| expireDate   | false    | Expiration date for the message, format: `yyyy-M-d H:m`      |
+| uid          | false    | An optional unique id                                        |
+| dismissible  | false    | Message can be dismissed by users, defaults to `true`        |
 
 To delete a system message do a post request to `<jenkins_url>/customizable-header/deleteSystemMessage?id=<id>`
 

src/main/java/io/jenkins/plugins/customizable_header/HeaderRootAction.java

@@ -65,7 +65,7 @@ public boolean hasLinks() {
 
   @POST
   public HttpResponse doAddSystemMessage(@QueryParameter(fixEmpty = true) String message, @QueryParameter(fixEmpty = true) String level,
-                                @QueryParameter String expireDate, @QueryParameter(fixEmpty = true) String id) throws IOException {
+                                @QueryParameter String expireDate, @QueryParameter(fixEmpty = true) String id, @QueryParameter(fixEmpty = true) Boolean dismissible) throws IOException {
     Jenkins.get().checkPermission(Jenkins.ADMINISTER);
     if (message == null || level == null) {
       throw HttpResponses.error(HttpServletResponse.SC_BAD_REQUEST, "Missing parameters: message and level are mandatory");
@@ -74,6 +74,7 @@ public HttpResponse doAddSystemMessage(@QueryParameter(fixEmpty = true) String m
       SystemMessage.SystemMessageColor lvl = SystemMessage.SystemMessageColor.valueOf(level);
       SystemMessage msg = new SystemMessage(message, lvl, id);
       msg.setExpireDate(expireDate);
+      msg.setDismissible(dismissible);
       CustomHeaderConfiguration config = CustomHeaderConfiguration.get();
       config.addSystemMessage(msg);
       return HttpResponses.text(msg.getUid());

src/main/java/io/jenkins/plugins/customizable_header/SystemMessage.java

@@ -28,6 +28,8 @@ public class SystemMessage extends AbstractDescribableImpl<SystemMessage> {
   private LocalDateTime expireDate;
   private String uid;
 
+  private Boolean dismissible = true;
+
   @DataBoundConstructor
   public SystemMessage(String message, SystemMessageColor level, String uid) {
     this.message = Util.fixEmptyAndTrim(message);
@@ -38,6 +40,17 @@ public SystemMessage(String message, SystemMessageColor level, String uid) {
     this.uid = uid;
   }
 
+  public Boolean getDismissible() {
+    return dismissible;
+  }
+
+  @DataBoundSetter
+  public void setDismissible(Boolean dismissible) {
+    if (dismissible != null) {
+      this.dismissible = dismissible;
+    }
+  }
+
   @DataBoundSetter
   public void setExpireDate(String expireDate) {
     if (Util.fixEmptyAndTrim(expireDate) != null) {
@@ -58,7 +71,7 @@ public String getExpireDate() {
 
   public boolean isDismissed() {
     User user = User.current();
-    if (user != null) {
+    if (user != null && dismissible) {
       UserHeader userHeader = user.getProperty(UserHeader.class);
       if (userHeader != null) {
         return userHeader.getDismissedMessages().contains(uid);
@@ -101,6 +114,9 @@ public void setColor(String color) {
   public Object readResolve() {
     setColor(color);
     color = null;
+    if (dismissible == null) {
+      dismissible = true;
+    }
     return this;
   }
 

src/main/resources/io/jenkins/plugins/customizable_header/SystemMessage/config.jelly

@@ -3,6 +3,9 @@
   <f:entry>
     <f:textarea field="message"/>
   </f:entry>
+  <f:entry field="dismissible" title="${%Dismissible}">
+    <f:checkbox default="true"/>
+  </f:entry>
   <f:entry field="level" title="${%Background of System Message}">
     <f:enum>${it.toString()}</f:enum>
   </f:entry>

src/main/resources/io/jenkins/plugins/customizable_header/SystemMessage/help-dismissible.html

@@ -0,0 +1,3 @@
+<div>
+  When not checked, users are not able to dismiss the message.
+</div>

src/main/resources/io/jenkins/plugins/customizable_header/SystemMessage/index.jelly

@@ -3,7 +3,7 @@
   <j:if test="${!it.dismissed}">
     <div class="jenkins-alert jenkins-alert-${it.level.name()} custom-header__system-message-header">
       <div><j:out value="${it.escapedMessage}"/></div>
-      <j:if test="${!h.isAnonymous()}">
+      <j:if test="${!h.isAnonymous() and it.dismissible}">
         <a href="#" class="ch-dismiss-link" tooltip="${%Dismiss message}" data-uid="${it.uid}">
           <l:icon src="symbol-close-outline plugin-ionicons-api" class="icon-sm"/>
         </a>

yarn.lock

@@ -1823,7 +1823,7 @@ fs.realpath@^1.0.0:
 
 fsevents@~2.3.2:
   version "2.3.3"
-  resolved "https://registry.npmjs.org/fsevents/-/fsevents-2.3.3.tgz"
+  resolved "https://registry.yarnpkg.com/fsevents/-/fsevents-2.3.3.tgz#cac6407785d03675a2a5e1a5305c697b347d90d6"
   integrity sha512-5xoDfX+fL7faATnagmWPpbFtwh/R77WmMMqqHGS65C3vvB0YHrgF+B1YmZ3441tMj5n63k0212XNoJwzlhffQw==
 
 gensync@^1.0.0-beta.2: