client/src/components/UpsertUser.vue

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