client/src/components/ContactForm.vue

   1 <template lang="pug">
   2 div
   3   input#modalContact.modal(type="checkbox" @change="trySetEnterTime($event)")
   4   div(role="dialog" data-checkbox="modalContact")
   5     .card
   6       label.modal-close(for="modalContact")
   7       h3.section {{ st.tr["Contact form"] }}
   8       form(@submit.prevent="trySendMessage()" @keyup.enter="trySendMessage()")
   9         fieldset
  10           label(for="userEmail") {{ st.tr["Email"] }}
  11           input#userEmail(type="email")
  12         fieldset
  13           label(for="mailSubject") {{ st.tr["Subject"] }}
  14           input#mailSubject(type="text")
  15         fieldset
  16           label(for="mailContent") {{ st.tr["Content"] }} *
  17           br
  18           textarea#mailContent
  19       button(@click="trySendMessage()") {{ st.tr["Send"] }}
  20       #dialog.text-center {{ st.tr[infoMsg] }}
  21 </template>
  22
  23 <script>
  24 import { ajax } from "../utils/ajax";
  25 import { store } from "@/store";
  26 import { checkNameEmail } from "@/data/userCheck";
  27 export default {
  28   name: "my-contact-form",
  29   data: function() {
  30     return {
  31       enterTime: Number.MAX_SAFE_INTEGER, //for a basic anti-bot strategy
  32       st: store.state,
  33       infoMsg: "",
  34     };
  35   },
  36   methods: {
  37     trySetEnterTime: function(event) {
  38       if (!!event.target.checked)
  39       {
  40         this.enterTime = Date.now();
  41         this.infoMsg = "";
  42       }
  43     },
  44     trySendMessage: function() {
  45       // Basic anti-bot strategy:
  46       const exitTime = Date.now();
  47       if (exitTime - this.enterTime < 5000)
  48         return;
  49       let email = document.getElementById("userEmail");
  50       let subject = document.getElementById("mailSubject");
  51       let content = document.getElementById("mailContent");
  52       const error = checkNameEmail({email: email});
  53       if (!!error)
  54         return alert(error);
  55       if (content.value.trim().length == 0)
  56         return alert(this.st.tr["Empty message"]);
  57       if (subject.value.trim().length == 0 && !confirm(this.st.tr["No subject. Send anyway?"]))
  58         return;
  59
  60       // Message sending:
  61       ajax(
  62         "/messages",
  63         "POST",
  64         {
  65           email: email.value,
  66           subject: subject.value,
  67           content: content.value,
  68         },
  69         () => {
  70           this.infoMsg = "Email sent!";
  71           subject.value = "";
  72           content.value = "";
  73         }
  74       );
  75     },
  76   },
  77 };
  78 </script>
  79
  80 <style lang="sass" scoped>
  81 [type="checkbox"].modal+div .card
  82   max-width: 767px
  83   max-height: 100%
  84 textarea#mailContent
  85   width: 100%
  86   min-height: 100px
  87 #dialog
  88   padding: 5px
  89   color: blue
  90 </style>