lens/src/renderer/components/+workloads-overview/overview.tsx

/**
 * Copyright (c) 2021 OpenLens Authors
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

import "./overview.scss";

import React from "react";
import { disposeOnUnmount, observer } from "mobx-react";
import type { RouteComponentProps } from "react-router";
import { eventStore } from "../+events/event.store";
import { podsStore } from "../+workloads-pods/pods.store";
import { deploymentStore } from "../+workloads-deployments/deployments.store";
import { daemonSetStore } from "../+workloads-daemonsets/daemonsets.store";
import { statefulSetStore } from "../+workloads-statefulsets/statefulset.store";
import { replicaSetStore } from "../+workloads-replicasets/replicasets.store";
import { jobStore } from "../+workloads-jobs/job.store";
import { cronJobStore } from "../+workloads-cronjobs/cronjob.store";
import { kubeWatchApi } from "../../../common/k8s-api/kube-watch-api";
import { WorkloadsOverviewDetailRegistry } from "../../../extensions/registries";
import type { WorkloadsOverviewRouteParams } from "../../../common/routes";
import { makeObservable, observable, reaction } from "mobx";
import { NamespaceSelectFilter } from "../+namespaces/namespace-select-filter";
import { Icon } from "../icon";
import { TooltipPosition } from "../tooltip";
import type { ClusterContext } from "../../../common/k8s-api/cluster-context";

interface Props extends RouteComponentProps<WorkloadsOverviewRouteParams> {
}

@observer
export class WorkloadsOverview extends React.Component<Props> {
  static clusterContext: ClusterContext;

  @observable loadErrors: string[] = [];

  constructor(props: Props) {
    super(props);
    makeObservable(this);
  }

  componentDidMount() {
    disposeOnUnmount(this, [
      kubeWatchApi.subscribeStores([
        cronJobStore,
        daemonSetStore,
        deploymentStore,
        eventStore,
        jobStore,
        podsStore,
        replicaSetStore,
        statefulSetStore,
      ], {
        onLoadFailure: error => this.loadErrors.push(String(error)),
      }),
      reaction(() => WorkloadsOverview.clusterContext.contextNamespaces.slice(), () => {
        // clear load errors
        this.loadErrors.length = 0;
      }),
    ]);
  }

  renderLoadErrors() {
    if (this.loadErrors.length === 0) {
      return null;
    }

    return (
      <Icon
        material="warning"
        className="load-error"
        tooltip={{
          children: (
            <>
              {this.loadErrors.map((error, index) => <p key={index}>{error}</p>)}
            </>
          ),
          preferredPositions: TooltipPosition.BOTTOM,
        }}
      />
    );
  }

  render() {
    const items = WorkloadsOverviewDetailRegistry
      .getInstance()
      .getItems()
      .map(({ components: { Details }}, index) => (
        <Details key={`workload-overview-${index}`}/>
      ));

    return (
      <div className="WorkloadsOverview flex column gaps">
        <div className="header flex gaps align-center">
          <h5 className="box grow">Overview</h5>
          {this.renderLoadErrors()}
          <NamespaceSelectFilter />
        </div>
        {items}
      </div>
    );
  }
}