client/src/components/UpsertUser.vue

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