From d9ae9a1c51889d0c135028fcb8919dd20a4aa6a5 Mon Sep 17 00:00:00 2001
From: Justin Reynolds <justinreynolds@gmail.com>
Date: Thu, 13 Jul 2017 17:06:15 -0700
Subject: [PATCH] fix(core): Fix application refresher (#3916)

---
 .../src/application/ApplicationComponent.tsx  | 35 +++++----
 .../executionGroup/execution/Execution.tsx    |  3 +-
 .../src/presentation/refresher/Refresher.tsx  | 74 ++++++++++++++-----
 .../src/presentation/refresher/refresher.less |  1 +
 4 files changed, 79 insertions(+), 34 deletions(-)

diff --git a/app/scripts/modules/core/src/application/ApplicationComponent.tsx b/app/scripts/modules/core/src/application/ApplicationComponent.tsx
index 27f65352c92..3ae7ebc342c 100644
--- a/app/scripts/modules/core/src/application/ApplicationComponent.tsx
+++ b/app/scripts/modules/core/src/application/ApplicationComponent.tsx
@@ -6,7 +6,6 @@ import { NgReact, ReactInjector } from 'core/reactShims';
 import { Refresher } from 'core/presentation/refresher/Refresher';
 import { Tooltip } from 'core/presentation/Tooltip';
 import { UIView } from '@uirouter/react';
-import { relativeTime, timestamp } from 'core/utils/timeFormatters';
 import { DebugWindow } from 'core/utils/consoleDebug';
 
 import './application.less';
@@ -17,10 +16,14 @@ export interface IApplicationComponentProps {
 
 export interface IApplicationComponentState {
   compactHeader: boolean;
+  refreshing: boolean;
+  lastRefresh: number;
 }
 
 @autoBindMethods
 export class ApplicationComponent extends React.Component<IApplicationComponentProps, IApplicationComponentState> {
+  private appRefreshUnsubscribe: () => void;
+
   constructor(props: IApplicationComponentProps) {
     super(props);
     if (props.app.notFound) {
@@ -28,11 +31,22 @@ export class ApplicationComponent extends React.Component<IApplicationComponentP
       return;
     }
 
-    this.state = {
-      compactHeader: props.app.name.length > 20
-    };
+    this.state = this.parseState(props);
+
     DebugWindow.application = props.app;
     props.app.enableAutoRefresh();
+    this.appRefreshUnsubscribe = props.app.onRefresh(null, () => {
+      this.setState(this.parseState(props));
+    });
+  }
+
+  private parseState(props: IApplicationComponentProps): IApplicationComponentState {
+    const refreshState = props.app.activeState || props.app;
+    return {
+      compactHeader: props.app.name.length > 20,
+      lastRefresh: refreshState.lastRefresh,
+      refreshing: refreshState.refreshing
+    };
   }
 
   public componentWillUnmount(): void {
@@ -58,15 +72,6 @@ export class ApplicationComponent extends React.Component<IApplicationComponentP
 
   public render() {
     const { ApplicationNav, ApplicationNavSecondary } = NgReact;
-    const refresherState = this.props.app.activeState || this.props.app;
-    const RefresherTooltip = (
-      <span>
-        {refresherState.refreshing && <p>Application is <strong>refreshing</strong>.</p>}
-        {!refresherState.refreshing && <p>(click <span className="fa fa-refresh"/> to refresh)</p>}
-        <p>Last refresh: {timestamp(refresherState.lastRefresh)} <br/> ({relativeTime(refresherState.lastRefresh)})</p>
-        <p className="small"><strong>Note:</strong> Due to caching, data may be delayed up to 2 minutes</p>
-      </span>
-    );
 
     const NotFound = this.props.app.notFound ? (
       <div>
@@ -80,8 +85,8 @@ export class ApplicationComponent extends React.Component<IApplicationComponentP
         <i className="fa fa-window-maximize"/>
         <span className="application-name">{this.props.app.name}</span>
         <Refresher
-          state={refresherState}
-          tooltipTemplate={RefresherTooltip}
+          refreshing={this.state.refreshing}
+          lastRefresh={this.state.lastRefresh}
           refresh={this.handleRefresh}
         />
       </h2>
diff --git a/app/scripts/modules/core/src/delivery/executionGroup/execution/Execution.tsx b/app/scripts/modules/core/src/delivery/executionGroup/execution/Execution.tsx
index 4d930030195..f332fdea26f 100644
--- a/app/scripts/modules/core/src/delivery/executionGroup/execution/Execution.tsx
+++ b/app/scripts/modules/core/src/delivery/executionGroup/execution/Execution.tsx
@@ -10,6 +10,7 @@ import { Application } from 'core/application/application.model';
 import { IExecution , IRestartDetails } from 'core/domain';
 import { IExecutionViewState } from 'core/pipeline/config/graph/pipelineGraph.service';
 import { IPipelineNode } from 'core/pipeline/config/graph/pipelineGraph.service';
+import { IScheduler } from 'core/scheduler/scheduler.factory';
 import { OrchestratedItemRunningTime } from './OrchestratedItemRunningTime';
 import { SETTINGS } from 'core/config/settings';
 import { NgReact, ReactInjector } from 'core/reactShims';
@@ -45,7 +46,7 @@ export class Execution extends React.Component<IExecutionProps, IExecutionState>
     dataSourceKey: 'executions'
   };
 
-  private activeRefresher: any;
+  private activeRefresher: IScheduler;
   private stateChangeSuccessSubscription: Subscription;
   private runningTime: OrchestratedItemRunningTime;
 
diff --git a/app/scripts/modules/core/src/presentation/refresher/Refresher.tsx b/app/scripts/modules/core/src/presentation/refresher/Refresher.tsx
index 018e929efbd..e13c9da95c8 100644
--- a/app/scripts/modules/core/src/presentation/refresher/Refresher.tsx
+++ b/app/scripts/modules/core/src/presentation/refresher/Refresher.tsx
@@ -2,39 +2,77 @@ import * as React from 'react';
 import autoBindMethods from 'class-autobind-decorator';
 import { $window } from 'ngimport';
 
+import { IScheduler } from 'core/scheduler/scheduler.factory';
+import { ReactInjector } from 'core/reactShims';
 import { Tooltip } from 'core/presentation';
+import { relativeTime, timestamp } from 'core/utils/timeFormatters';
 
 import './refresher.less';
 
 export interface IRefresherProps {
-  state: {
-    refreshing: boolean;
-    lastRefresh: number;
-  };
-  tooltipTemplate: JSX.Element;
+  refreshing: boolean;
+  lastRefresh: number;
   refresh: (e: React.MouseEvent<HTMLElement>) => void;
 }
 
+export interface IRefresherState {
+  color: string;
+  relativeTime: string;
+}
+
 @autoBindMethods
-export class Refresher extends React.Component<IRefresherProps, {}> {
-  public getAgeColor(): string {
-    const yellowAge = 2 * 60 * 1000; // 2 minutes
-    const redAge = 5 * 60 * 1000; // 5 minutes
-    const lastRefresh = this.props.state.lastRefresh || 0;
+export class Refresher extends React.Component<IRefresherProps, IRefresherState> {
+  private activeRefresher: IScheduler;
+  private yellowAge = 2 * 60 * 1000; // 2 minutes
+  private redAge = 5 * 60 * 1000; // 5 minutes
+
+  constructor(props: IRefresherProps) {
+    super(props);
+
+    this.state = this.parseState(props);
+
+    // Update the state on an interval to make sure the color and tooltip get updated
+    const { schedulerFactory } = ReactInjector;
+    this.activeRefresher = schedulerFactory.createScheduler(2000);
+    this.activeRefresher.subscribe(() => {
+      this.setState(this.parseState(this.props));
+    });
+  }
+
+  public componentWillUnmount(): void {
+    if (this.activeRefresher) {
+      this.activeRefresher.unsubscribe();
+    }
+  }
+
+  public parseState(props: IRefresherProps): IRefresherState {
+    const lastRefresh = props.lastRefresh || 0;
     const age = new Date().getTime() - lastRefresh;
 
-    return age < yellowAge ? 'young' :
-      age < redAge ? 'old' : 'ancient';
+    const color = age < this.yellowAge ? 'young' :
+      age < this.redAge ? 'old' : 'ancient';
+
+    return {
+      color,
+      relativeTime: relativeTime(this.props.lastRefresh)
+    };
   }
 
   public render() {
+    const RefresherTooltip = (
+      <span>
+        {this.props.refreshing && <p>Application is <strong>refreshing</strong>.</p>}
+        {!this.props.refreshing && <p>(click <span className="fa fa-refresh"/> to refresh)</p>}
+        <p>Last refresh: {timestamp(this.props.lastRefresh)} <br/> ({this.state.relativeTime})</p>
+        <p className="small"><strong>Note:</strong> Due to caching, data may be delayed up to 2 minutes</p>
+      </span>
+    );
+
     return (
-      <Tooltip template={this.props.tooltipTemplate} placement={$window.innerWidth < 1100 ? 'right' : 'bottom'}>
-        <div>
-          <a className="refresher clickable" onClick={this.props.refresh}>
-            <span className={`fa fa-refresh refresh-${this.getAgeColor()} ${this.props.state.refreshing ? 'fa-spin' : ''}`}/>
-          </a>
-        </div>
+      <Tooltip template={RefresherTooltip} placement={$window.innerWidth < 1100 ? 'right' : 'bottom'}>
+        <a className="refresher clickable" onClick={this.props.refresh}>
+          <span className={`fa fa-refresh refresh-${this.state.color} ${this.props.refreshing ? 'fa-spin' : ''}`}/>
+        </a>
       </Tooltip>
     );
   }
diff --git a/app/scripts/modules/core/src/presentation/refresher/refresher.less b/app/scripts/modules/core/src/presentation/refresher/refresher.less
index 1fe7d5daf28..3353e9ff3ee 100644
--- a/app/scripts/modules/core/src/presentation/refresher/refresher.less
+++ b/app/scripts/modules/core/src/presentation/refresher/refresher.less
@@ -1,6 +1,7 @@
 @import (reference) "~core/presentation/less/imports/commonImports.less";
 
 .refresher {
+  margin-top: 4px;
   .fa-refresh {
     font-size: 75%;
     &.refresh-disabled {