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       form(@submit.prevent="trySendMessage()" @keyup.enter="trySendMessage()")
   8         fieldset
   9           label(for="userEmail") {{ st.tr["Email"] }}
  10           input#userEmail(type="email")
  11         fieldset
  12           label(for="mailSubject") {{ st.tr["Subject"] }}
  13           input#mailSubject(type="text")
  14         fieldset
  15           textarea#mailContent(:placeholder="st.tr['Your message']")
  16       button(@click="trySendMessage()") {{ st.tr["Send"] }}
  17       #dialog.text-center {{ st.tr[infoMsg] }}
  18 </template>
  19
  20 <script>
  21 import { ajax } from "../utils/ajax";
  22 import { store } from "@/store";
  23 import { checkNameEmail } from "@/data/userCheck";
  24 export default {
  25   name: "my-contact-form",
  26   data: function() {
  27     return {
  28       enterTime: Number.MAX_SAFE_INTEGER, //for a basic anti-bot strategy
  29       st: store.state,
  30       infoMsg: ""
  31     };
  32   },
  33   methods: {
  34     trySetEnterTime: function(event) {
  35       if (event.target.checked) {
  36         this.enterTime = Date.now();
  37         this.infoMsg = "";
  38       }
  39     },
  40     trySendMessage: function() {
  41       // Basic anti-bot strategy:
  42       const exitTime = Date.now();
  43       if (exitTime - this.enterTime < 5000) return;
  44       let email = document.getElementById("userEmail");
  45       let subject = document.getElementById("mailSubject");
  46       let content = document.getElementById("mailContent");
  47       let error = checkNameEmail({ email: email });
  48       if (!error && content.value.trim().length == 0)
  49         error = this.st.tr["Empty message"];
  50       if (error) {
  51         alert(error);
  52         return;
  53       }
  54       if (
  55         subject.value.trim().length == 0 &&
  56         !confirm(this.st.tr["No subject. Send anyway?"])
  57       )
  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>