picture display ready

app/client/surveillance.js

@@ -0,0 +1,49 @@
+function controller_state() {
+  var controllerId = Session.get('controller_id');
+  result = ControllerState.findOne({});
+  if (!result) {
+    result = {}
+  };
+  return result;
+};
+
+function picture() {
+  var controllerId = Session.get('controller_id');
+  result = Picture.findOne({
+    controller_id: controllerId
+  });
+  console.log("rez je", result);
+  if (!result) {
+    result = {}
+  };
+  return result;
+};
+
+
+
+Template.surveillance.helpers({
+  controller_state: controller_state,
+  picture_src: function() {
+    var picture_base64 = picture().picture_base64;
+    var picture_src = '/images/noImage.png';
+    if (picture_base64) {
+      picture_src = 'data:image/jpeg;charset=utf-8;base64,' + picture_base64;
+    }
+    return picture_src;
+  },
+  picture_time: function() {
+    var picture_entry = picture();
+    if (picture_entry) {
+      return moment(picture_entry.time).fromNow();
+    } else {
+      return "Nikad!";
+    }
+  }
+});
+
+Template.surveillance.events({
+  'click #request_new_picture': function() {
+    var controller_id = Session.get('controller_id');
+    Meteor.call('requestNewPicture', controller_id)
+  }
+});