Add notification messages on the index page that depend on the user agent

src/config.rs

@@ -50,7 +50,7 @@ pub struct Config {
     pub allow_sex_diverse: Option<bool>,
     pub allow_sex_other: Option<bool>,
     pub dbstatus_secret: Option<String>,
-    pub template_params: Option<::std::collections::BTreeMap<String, String>>,
+    pub template_params: Option<::std::collections::BTreeMap<String, serde_json::Value>>,
 }
 
 #[derive(StructOpt, Debug)]

templates/jwinf/base.hbs

@@ -110,18 +110,6 @@
         {{/if}}
       {{/if}}
 
-      {{#if config.notification}}
-        {{#if index}}
-          <div class="columns">
-            <div class="column is-8 is-offset-2">
-              <div class="notification is-info">
-                {{{ config.notification }}}
-              </div>
-            </div>
-          </div>
-        {{/if}}
-      {{/if}}
-
       {{~> page}}
     </div>
     <footer class="footer" style="margin-top: 150px;">

templates/jwinf/index.hbs

 {{#*inline "page"}}
+
+      {{#if config.notification}}
+        <div class="columns">
+          <div class="column is-8 is-offset-2">
+            <div class="notification is-info">
+              {{{ config.notification }}}
+            </div>
+          </div>
+        </div>
+      {{/if}}
+
+      {{#if config.browser_notification}}
+        {{#each config.browser_notification}}
+          <div class="columns" id="browser-notification-{{@index}}">
+            <div class="column is-8 is-offset-2">
+              <div class="notification is-info">
+                {{{ message }}}
+              </div>
+            </div>
+          </div>
+          <script>
+            if (navigator.userAgent.search("{{ ua_contains }}") < 0) {
+              document.getElementById("browser-notification-{{@index}}").style.display = "none";
+            }
+          </script>
+        {{/each}}
+      {{/if}}
+
       {{#if teacher}}
         <div class="columns alogin">
           <div class="column is-8 is-offset-2">