authentik/web/src/user/LibraryPage.ts

import { t } from "@lingui/macro";
import {
    css,
    CSSResult,
    customElement,
    html,
    LitElement,
    property,
    TemplateResult,
} from "lit-element";
import Fuse from "fuse.js";
import { Application, CoreApi } from "@goauthentik/api";
import { AKResponse } from "../api/Client";
import { DEFAULT_CONFIG } from "../api/Config";
import { loading } from "../utils";
import AKGlobal from "../authentik.css";
import PFBase from "@patternfly/patternfly/patternfly-base.css";
import PFContent from "@patternfly/patternfly/components/Content/content.css";
import PFEmptyState from "@patternfly/patternfly/components/EmptyState/empty-state.css";
import PFGallery from "@patternfly/patternfly/layouts/Gallery/gallery.css";
import PFPage from "@patternfly/patternfly/components/Page/page.css";
import "./LibraryApplication";

@customElement("ak-library")
export class LibraryPage extends LitElement {
    @property({ attribute: false })
    apps?: AKResponse<Application>;

    @property({ attribute: false })
    selectedApp?: Application;

    fuse?: Fuse<Application>;

    constructor() {
        super();
        new CoreApi(DEFAULT_CONFIG).coreApplicationsList({}).then((apps) => {
            this.apps = apps;
            this.fuse = new Fuse(apps.results, {
                keys: ["slug", "name"],
            });
        });
    }

    pageTitle(): string {
        return t`My Applications`;
    }

    static get styles(): CSSResult[] {
        return [PFBase, PFEmptyState, PFPage, PFContent, PFGallery, AKGlobal].concat(css`
            :host,
            main {
                height: 100%;
                padding: 3% 5%;
            }
            .header {
                display: flex;
                flex-direction: row;
                justify-content: space-between;
            }
            .header input {
                width: 30ch;
                box-sizing: border-box;
                border: 0;
                border-bottom: 1px solid;
                border-bottom-color: #fd4b2d;
                background-color: transparent;
                font-size: 1.5rem;
            }
            .header input:focus {
                outline: 0;
            }
        `);
    }

    renderEmptyState(): TemplateResult {
        return html` <div class="pf-c-empty-state pf-m-full-height">
            <div class="pf-c-empty-state__content">
                <i class="fas fa-cubes pf-c-empty-state__icon" aria-hidden="true"></i>
                <h1 class="pf-c-title pf-m-lg">${t`No Applications available.`}</h1>
                <div class="pf-c-empty-state__body">
                    ${t`Either no applications are defined, or you don't have access to any.`}
                </div>
            </div>
        </div>`;
    }

    renderApps(): TemplateResult {
        return html`<div class="pf-l-gallery pf-m-gutter">
            ${this.apps?.results
                .filter((app) => app.launchUrl)
                .map(
                    (app) =>
                        html`<ak-library-app
                            .application=${app}
                            ?selected=${app.slug === this.selectedApp?.slug}
                        ></ak-library-app>`,
                )}
        </div>`;
    }

    render(): TemplateResult {
        return html`<main role="main" class="pf-c-page__main" tabindex="-1" id="main-content">
            <div class="pf-c-content header">
                <h1>${t`My applications`}</h1>
                <input
                    @input=${(ev: InputEvent) => {
                        const query = (ev.target as HTMLInputElement).value;
                        if (!this.fuse) return;
                        const apps = this.fuse.search(query);
                        if (apps.length < 1) return;
                        this.selectedApp = apps[0].item;
                    }}
                    @keydown=${(ev: KeyboardEvent) => {
                        if (ev.key === "Enter" && this.selectedApp?.launchUrl) {
                            window.location.assign(this.selectedApp.launchUrl);
                        } else if (ev.key === "Escape") {
                            (ev.target as HTMLInputElement).value = "";
                            this.selectedApp = undefined;
                        }
                    }}
                    type="text"
                    autofocus
                    placeholder=${t`Search...`}
                />
            </div>
            <section class="pf-c-page__main-section">
                ${loading(
                    this.apps,
                    html`${(this.apps?.results.length || 0) > 0
                        ? this.renderApps()
                        : this.renderEmptyState()}`,
                )}
            </section>
        </main>`;
    }
}