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 {{ 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="user.name")
  13           fieldset
  14             label(for="useremail") {{ st.tr["Email"] }}
  15             input#useremail(type="email" v-model="user.email")
  16           fieldset
  17             label(for="notifyNew") {{ st.tr["Notifications by email"] }}
  18             input#notifyNew(type="checkbox" v-model="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       user: store.state.user,
  42       nameOrEmail: "", //for login
  43       logStage: "Login", //or Register
  44       infoMsg: "",
  45       enterTime: Number.MAX_SAFE_INTEGER, //for a basic anti-bot strategy
  46       st: store.state,
  47     };
  48   },
  49   watch: {
  50     nameOrEmail: function(newValue) {
  51       if (newValue.indexOf('@') >= 0)
  52       {
  53         this.user.email = newValue;
  54         this.user.name = "";
  55       }
  56       else
  57       {
  58         this.user.name = newValue;
  59         this.user.email = "";
  60       }
  61     },
  62   },
  63   computed: {
  64     submitMessage: function() {
  65       switch (this.stage)
  66       {
  67         case "Login":
  68           return "Go";
  69         case "Register":
  70           return "Send";
  71         case "Update":
  72           return "Apply";
  73       }
  74     },
  75     displayInfo: function() {
  76       return (this.infoMsg.length > 0 ? "block" : "none");
  77     },
  78     stage: function() {
  79       return this.user.id > 0 ? "Update" : this.logStage;
  80     },
  81   },
  82   methods: {
  83     trySetEnterTime: function(event) {
  84       if (!!event.target.checked)
  85         this.enterTime = Date.now();
  86     },
  87     toggleStage: function() {
  88       // Loop login <--> register (update is for logged-in users)
  89       this.logStage = (this.logStage == "Login" ? "Register" : "Login");
  90     },
  91     ajaxUrl: function() {
  92       switch (this.stage)
  93       {
  94         case "Login":
  95           return "/sendtoken";
  96         case "Register":
  97           return "/register";
  98         case "Update":
  99           return "/update";
 100       }
 101     },
 102     ajaxMethod: function() {
 103       switch (this.stage)
 104       {
 105         case "Login":
 106           return "GET";
 107         case "Register":
 108           return "POST";
 109         case "Update":
 110           return "PUT";
 111       }
 112     },
 113     infoMessage: function() {
 114       switch (this.stage)
 115       {
 116         case "Login":
 117           return "Connection token sent. Check your emails!";
 118         case "Register":
 119           return "Registration complete! Please check your emails.";
 120         case "Update":
 121           return "Modifications applied!";
 122       }
 123     },
 124     onSubmit: function() {
 125       // Basic anti-bot strategy:
 126       const exitTime = Date.now();
 127       if (this.stage == "Register" && exitTime - this.enterTime < 5000)
 128         return; //silently return, in (curious) case of it was legitimate
 129       let error = undefined;
 130       if (this.stage == 'Login')
 131       {
 132         const type = (this.nameOrEmail.indexOf('@') >= 0 ? "email" : "name");
 133         error = checkNameEmail({[type]: this.nameOrEmail});
 134       }
 135       else
 136         error = checkNameEmail(this.user);
 137       if (!!error)
 138         return alert(error);
 139       this.infoMsg = "Processing... Please wait";
 140       ajax(this.ajaxUrl(), this.ajaxMethod(),
 141         this.stage == "Login" ? { nameOrEmail: this.nameOrEmail } : this.user,
 142         res => {
 143           this.infoMsg = this.infoMessage();
 144           if (this.stage != "Update")
 145             this.nameOrEmail = "";
 146           setTimeout(() => {
 147             this.infoMsg = "";
 148             document.getElementById("modalUser").checked = false;
 149           }, 2000);
 150         },
 151         err => {
 152           this.infoMsg = "";
 153           alert(err);
 154         }
 155       );
 156     },
 157     doLogout: function() {
 158       let logoutBtn = document.getElementById("logoutBtn");
 159       logoutBtn.disabled = true;
 160       // NOTE: this local cleaning would logically happen when we're sure
 161       // that token is erased. But in the case a user clear the cookies,
 162       // it would lead to situations where he cannot ("locally") log out.
 163       // At worst, if token deletion fails the user can erase cookie manually.
 164       this.user.id = 0;
 165       this.user.name = "";
 166       this.user.email = "";
 167       this.user.notify = false;
 168       localStorage.removeItem("myid");
 169       localStorage.removeItem("myname");
 170       ajax("/logout", "GET", () => {
 171         logoutBtn.disabled = false; //for symmetry, but not very useful...
 172         document.getElementById("modalUser").checked = false;
 173         // this.$router.push("/") will fail if logout from Hall, so:
 174         document.location.reload(true);
 175       });
 176     },
 177   },
 178 };
 179 </script>