client/src/components/UpsertUser.vue

   1 <template lang="pug">
   2 div
   3   input#modalUser.modal(type="checkbox" @change="trySetEnterTime")
   4   div(role="dialog" data-checkbox="modalUser")
   5     .card
   6       label.modal-close(for="modalUser")
   7       h3 {{ st.tr[stage] }}
   8       form#userForm(@submit.prevent="onSubmit()" @keyup.enter="onSubmit")
   9         div(v-show="stage!='Login'")
  10           fieldset
  11             label(for="username") {{ st.tr["Name"] }}
  12             input#username(type="text" v-model="st.user.name")
  13           fieldset
  14             label(for="useremail") {{ st.tr["Email"] }}
  15             input#useremail(type="email" v-model="st.user.email")
  16           fieldset
  17             label(for="notifyNew") {{ st.tr["Notifications by email"] }}
  18             input#notifyNew(type="checkbox" v-model="st.user.notify")
  19         div(v-show="stage=='Login'")
  20           fieldset
  21             label(for="nameOrEmail") {{ st.tr["Name or Email"] }}
  22             input#nameOrEmail(type="text" v-model="nameOrEmail")
  23       .button-group
  24         button#submit(type="button" @click="onSubmit()")
  25           span {{ st.tr[submitMessage] }}
  26         button(v-if="stage!='Update'" @click="toggleStage()")
  27           span {{ st.tr[stage=="Login" ? "Register" : "Login"] }}
  28         button#logoutBtn(v-else @click="doLogout()")
  29           span {{ st.tr["Logout"] }}
  30       #dialog(:style="{display: displayInfo}") {{ st.tr[infoMsg] }}
  31 </template>
  32
  33 <script>
  34 import { store } from "@/store";
  35 import { checkNameEmail } from "@/data/userCheck";
  36 import { ajax } from "@/utils/ajax";
  37 export default {
  38   name: 'my-upsert-user',
  39   data: function() {
  40     return {
  41       nameOrEmail: "", //for login
  42       logStage: "Login", //or Register
  43       infoMsg: "",
  44       enterTime: Number.MAX_SAFE_INTEGER, //for a basic anti-bot strategy
  45       st: store.state,
  46     };
  47   },
  48   watch: {
  49     nameOrEmail: function(newValue) {
  50       if (newValue.indexOf('@') >= 0)
  51       {
  52         this.st.user.email = newValue;
  53         this.st.user.name = "";
  54       }
  55       else
  56       {
  57         this.st.user.name = newValue;
  58         this.st.user.email = "";
  59       }
  60     },
  61   },
  62   computed: {
  63     submitMessage: function() {
  64       switch (this.stage)
  65       {
  66         case "Login":
  67           return "Go";
  68         case "Register":
  69           return "Send";
  70         case "Update":
  71           return "Apply";
  72       }
  73     },
  74     displayInfo: function() {
  75       return (this.infoMsg.length > 0 ? "block" : "none");
  76     },
  77     stage: function() {
  78       return this.st.user.id > 0 ? "Update" : this.logStage;
  79     },
  80   },
  81   methods: {
  82     trySetEnterTime: function(event) {
  83       if (!!event.target.checked)
  84         this.enterTime = Date.now();
  85     },
  86     toggleStage: function() {
  87       // Loop login <--> register (update is for logged-in users)
  88       this.logStage = (this.logStage == "Login" ? "Register" : "Login");
  89     },
  90     ajaxUrl: function() {
  91       switch (this.stage)
  92       {
  93         case "Login":
  94           return "/sendtoken";
  95         case "Register":
  96           return "/register";
  97         case "Update":
  98           return "/update";
  99       }
 100     },
 101     ajaxMethod: function() {
 102       switch (this.stage)
 103       {
 104         case "Login":
 105           return "GET";
 106         case "Register":
 107           return "POST";
 108         case "Update":
 109           return "PUT";
 110       }
 111     },
 112     infoMessage: function() {
 113       switch (this.stage)
 114       {
 115         case "Login":
 116           return "Connection token sent. Check your emails!";
 117         case "Register":
 118           return "Registration complete! Please check your emails";
 119         case "Update":
 120           return "Modifications applied!";
 121       }
 122     },
 123     onSubmit: function() {
 124       // Basic anti-bot strategy:
 125       const exitTime = Date.now();
 126       if (this.stage == "Register" && exitTime - this.enterTime < 5000)
 127         return; //silently return, in (curious) case of it was legitimate
 128       let error = undefined;
 129       if (this.stage == 'Login')
 130       {
 131         const type = (this.nameOrEmail.indexOf('@') >= 0 ? "email" : "name");
 132         error = checkNameEmail({[type]: this.nameOrEmail});
 133       }
 134       else
 135         error = checkNameEmail(this.st.user);
 136       if (!!error)
 137         return alert(error);
 138       this.infoMsg = "Processing... Please wait";
 139       ajax(this.ajaxUrl(), this.ajaxMethod(),
 140         this.stage == "Login" ? { nameOrEmail: this.nameOrEmail } : this.st.user,
 141         res => {
 142           this.infoMsg = this.infoMessage();
 143           if (this.stage != "Update")
 144             this.nameOrEmail = "";
 145           setTimeout(() => {
 146             this.infoMsg = "";
 147             document.getElementById("modalUser").checked = false;
 148           }, 2000);
 149         },
 150         err => {
 151           this.infoMsg = "";
 152           alert(err);
 153         }
 154       );
 155     },
 156     doLogout: function() {
 157       document.getElementById("modalUser").checked = false;
 158       this.$router.push("/logout");
 159     },
 160   },
 161 };
 162 </script>