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flow: re-add FlowShell as Web Component

This commit is contained in:
Jens Langhammer 2020-10-16 16:36:18 +02:00
parent 6c0c12c90a
commit aa9c7a6567
9 changed files with 132 additions and 139 deletions
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135
passbook/flows/templates/flows/shell.html
View File

@ -21,135 +21,8 @@
{% endblock %}
{% block main_container %}
<main class="pf-c-login__main" id="flow-body">
<div class="pf-c-login__main-body pb-loading">
<span class="pf-c-spinner" role="progressbar" aria-valuetext="Loading...">
<span class="pf-c-spinner__clipper"></span>
<span class="pf-c-spinner__lead-ball"></span>
<span class="pf-c-spinner__tail-ball"></span>
</span>
</div>
</main>
<script>
const flowBodyUrl = "{{ exec_url }}";
const messagesUrl = "{{ msg_url }}";
const flowBody = document.querySelector("#flow-body");
const spinner = document.querySelector(".pb-loading");
const updateMessages = () => {
let messageContainer = document.querySelector(".pf-c-alert-group");
fetch(messagesUrl).then(response => {
messageContainer.innerHTML = "";
response.json().then(data => {
data.forEach(msg => {
let icon = "";
switch (msg.level_tag) {
case 'error':
icon = 'fas fa-exclamation-circle'
break;
case 'warning':
icon = 'fas fa-exclamation-triangle'
break;
case 'success':
icon = 'fas fa-check-circle'
break;
case 'info':
icon = 'fas fa-info'
break;
default:
break;
}
if (msg.level_tag === "error") {
msg.extra_tags = "pf-m-danger";
}
let item = `<li class="pf-c-alert-group__item">
<div class="pf-c-alert pf-m-${msg.level_tag} ${msg.extra_tags}">
<div class="pf-c-alert__icon">
<i class="${icon}"></i>
</div>
<h4 class="pf-c-alert__title">
${msg.message}
</h4>
</div>
</li>`;
var template = document.createElement('template');
template.innerHTML = item;
messageContainer.appendChild(template.content.firstChild);
});
});
});
};
const updateCard = (data) => {
switch (data.type) {
case "redirect":
window.location = data.to
break;
case "template":
flowBody.innerHTML = data.body;
checkAutofocus();
updateMessages();
loadFormCode();
setFormSubmitHandlers();
default:
break;
}
};
const showSpinner = () => {
flowBody.innerHTML = "";
flowBody.appendChild(spinner);
};
const loadFormCode = () => {
document.querySelectorAll("#flow-body script").forEach(script => {
let newScript = document.createElement("script");
newScript.src = script.src;
document.head.appendChild(newScript);
});
};
const checkAutofocus = () => {
const autofocusElement = document.querySelector("#flow-body [autofocus]");
if (autofocusElement !== null) {
autofocusElement.focus();
}
};
const updateFormAction = (form) => {
for (let index = 0; index < form.elements.length; index++) {
const element = form.elements[index];
if (element.value === form.action) {
console.log("pb-flow: Found Form action URL in form elements, not changing form action.");
return false;
}
}
form.action = flowBodyUrl;
console.log(`pb-flow: updated form.action ${flowBodyUrl}`);
return true;
};
const checkAutosubmit = (form) => {
if ("autosubmit" in form.attributes) {
return form.submit();
}
};
const setFormSubmitHandlers = () => {
document.querySelectorAll("#flow-body form").forEach(form => {
console.log(`pb-flow: Checking for autosubmit attribute ${form}`);
checkAutosubmit(form);
console.log(`pb-flow: Setting action for form ${form}`);
updateFormAction(form);
console.log(`pb-flow: Adding handler for form ${form}`);
form.addEventListener('submit', (e) => {
e.preventDefault();
let formData = new FormData(form);
showSpinner();
fetch(flowBodyUrl, {
method: 'post',
body: formData,
}).then(response => response.json()).then(data => {
updateCard(data);
});
});
form.classList.add("pb-flow-wrapped");
});
};
fetch(flowBodyUrl).then(response => response.json()).then(data => updateCard(data));
</script>
<flow-shell-card
class="pf-c-login__main"
flowBodyUrl="{{ exec_url }}">
</flow-shell-card>
{% endblock %}

1
passbook/flows/views.py
View File

@ -236,7 +236,6 @@ class FlowExecutorShellView(TemplateView):
def get_context_data(self, **kwargs) -> Dict[str, Any]:
kwargs["exec_url"] = reverse("passbook_flows:flow-executor", kwargs=self.kwargs)
kwargs["msg_url"] = reverse("passbook_api:messages-list")
self.request.session[SESSION_KEY_GET] = self.request.GET
return kwargs

2
passbook/stages/password/stage.py
View File

@ -1,5 +1,6 @@
"""passbook password stage"""
from typing import Any, Dict, List, Optional
from django.contrib import messages
from django.contrib.auth import _clean_credentials
from django.contrib.auth.backends import BaseBackend
@ -121,4 +122,5 @@ class PasswordStageView(FormView, StageView):
self.executor.plan.context[
PLAN_CONTEXT_AUTHENTICATION_BACKEND
] = user.backend
messages.success(self.request, _("Successfully logged in!"))
return self.executor.stage_ok()

10
passbook/static/static/passbook/passbook.js
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File diff suppressed because one or more lines are too long

2
passbook/static/static/passbook/passbook.js.map
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File diff suppressed because one or more lines are too long

3
passbook/static/static/src/ActionButton.js
View File

@ -1,4 +1,5 @@
import { getCookie } from "./utils.js";
import { updateMessages } from "./Messages.js";
const PRIMARY_CLASS = "pf-m-primary";
const SUCCESS_CLASS = "pf-m-success";
@ -33,7 +34,7 @@ class ActionButton extends HTMLButtonElement {
this.innerText = this.oldBody;
this.classList.replace(PRIMARY_CLASS, statusClass);
// Trigger messages to update
document.querySelector("pb-messages").setAttribute("touch", Date.now());
updateMessages();
setTimeout(() => {
this.classList.replace(statusClass, PRIMARY_CLASS);
}, 1000);

113
passbook/static/static/src/FlowShellCard.js Normal file
View File

@ -0,0 +1,113 @@
import { LitElement, html } from 'lit-element';
import { updateMessages } from "./Messages.js";
class FetchFillSlot extends LitElement {
static get properties() {
return {
flowBodyUrl: { type: String },
flowBody: { type: String },
};
}
createRenderRoot() {
return this;
}
firstUpdated() {
fetch(this.flowBodyUrl).then(r => r.json()).then(r => this.updateCard(r));
}
async updateCard(data) {
switch (data.type) {
case "redirect":
window.location = data.to
break;
case "template":
this.flowBody = data.body;
await this.requestUpdate();
this.checkAutofocus();
updateMessages();
this.loadFormCode();
this.setFormSubmitHandlers();
default:
break;
}
};
loadFormCode() {
this.querySelectorAll("script").forEach(script => {
let newScript = document.createElement("script");
newScript.src = script.src;
document.head.appendChild(newScript);
});
}
checkAutofocus() {
const autofocusElement = this.querySelector("[autofocus]");
if (autofocusElement !== null) {
autofocusElement.focus();
}
}
updateFormAction(form) {
for (let index = 0; index < form.elements.length; index++) {
const element = form.elements[index];
if (element.value === form.action) {
console.log("pb-flow: Found Form action URL in form elements, not changing form action.");
return false;
}
}
form.action = this.flowBodyUrl;
console.log(`pb-flow: updated form.action ${this.flowBodyUrl}`);
return true;
}
checkAutosubmit(form) {
if ("autosubmit" in form.attributes) {
return form.submit();
}
}
setFormSubmitHandlers() {
this.querySelectorAll("form").forEach(form => {
console.log(`pb-flow: Checking for autosubmit attribute ${form}`);
this.checkAutosubmit(form);
console.log(`pb-flow: Setting action for form ${form}`);
this.updateFormAction(form);
console.log(`pb-flow: Adding handler for form ${form}`);
form.addEventListener('submit', (e) => {
e.preventDefault();
let formData = new FormData(form);
this.flowBody = undefined;
fetch(this.flowBodyUrl, {
method: 'post',
body: formData,
}).then(response => response.json()).then(data => {
this.updateCard(data);
});
});
form.classList.add("pb-flow-wrapped");
});
}
loading() {
return html`
<div class="pf-c-login__main-body pb-loading">
<span class="pf-c-spinner" role="progressbar" aria-valuetext="Loading...">
<span class="pf-c-spinner__clipper"></span>
<span class="pf-c-spinner__lead-ball"></span>
<span class="pf-c-spinner__tail-ball"></span>
</span>
</div>`;
}
render() {
if (this.flowBody !== undefined) {
return html([this.flowBody]);
}
return this.loading();
}
}
customElements.define('flow-shell-card', FetchFillSlot);

4
passbook/static/static/src/Messages.js
View File

@ -11,6 +11,10 @@ let ID = function (prefix) {
return prefix + Math.random().toString(36).substr(2, 9);
};
export function updateMessages() {
document.querySelector("pb-messages").setAttribute("touch", Date.now());
}
class Messages extends LitElement {
static get properties() {

1
passbook/static/static/src/passbook.js
View File

@ -1,6 +1,7 @@
import './FetchFillSlot.js';
import './ActionButton.js';
import './Messages.js';
import './FlowShellCard.js';
// Button Dropdowns
document.querySelectorAll("button.pf-c-dropdown__toggle").forEach((b) => {