1 files changed, 152 insertions, 0 deletions
diff --git a/web/zuul/zuul.service.ts b/web/zuul/zuul.service.ts
new file mode 100644
index 000000000..b244112ea
--- /dev/null
+++ b/web/zuul/zuul.service.ts
@@ -0,0 +1,152 @@
+// Copyright 2017 Red Hat
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+// License for the specific language governing permissions and limitations
+// under the License.
+
+import { Injectable,  EventEmitter, Output } from '@angular/core'
+import { HttpClient } from '@angular/common/http'
+import { Router } from '@angular/router'
+import { BehaviorSubject } from 'rxjs/BehaviorSubject'
+
+import * as url from 'url'
+
+import Info from './info'
+import InfoResponse from './infoResponse'
+import RouteDescription from './description'
+
+declare var ZUUL_API_URL: string
+declare var ZUUL_BASE_HREF: string
+
+function getAppBaseHrefFromPath () {
+  const path = window.location.pathname
+  if (path.includes('/t/')) {
+    return path.slice(0, path.lastIndexOf('/t/') + 1)
+  } else {
+    return path.split('/').slice(0, -1).join('/') || '/'
+  }
+}
+
+export function getAppBaseHref (): string {
+  /*
+   * Return a value suitable for use in
+   * https://angular.io/api/common/APP_BASE_HREF
+   */
+  let path
+  if (typeof ZUUL_BASE_HREF !== 'undefined') {
+    path = ZUUL_BASE_HREF
+  } else {
+    // Use window.location.pathname because we're looking for a path
+    // prefix, not a URL.
+    path = getAppBaseHrefFromPath()
+  }
+  if (! path.endsWith('/')) {
+    path = path + '/'
+  }
+  return path
+}
+
+@Injectable({
+  providedIn: 'root',
+})
+export class ZuulService {
+  public baseApiUrl: string
+  public appBaseHref: string
+  public info: Info
+  navbarRoutes: RouteDescription[]
+  private routePages = ['status', 'jobs', 'builds']
+
+  constructor(private router: Router, private http: HttpClient) {
+    this.baseApiUrl = this.getBaseApiUrl()
+    this.appBaseHref = getAppBaseHref()
+  }
+
+  async setTenant (tenant?: string) {
+    if (!this.info) {
+      const infoEndpoint = this.baseApiUrl + 'api/info'
+      const infoResponse = await this.http.get<InfoResponse>(
+          infoEndpoint).toPromise()
+      this.info = infoResponse.info
+      if (this.info.tenant && !tenant) {
+        this.info.whiteLabel = true
+      } else {
+        this.info.whiteLabel = false
+      }
+    }
+    if (tenant) {
+      this.info.tenant = tenant
+    }
+    this.navbarRoutes = this.getNavbarRoutes()
+  }
+
+  getBaseApiUrl (): string {
+    let path
+    if (typeof ZUUL_API_URL !== 'undefined') {
+      path = ZUUL_API_URL
+    } else {
+      path = url.resolve(window.location.href, getAppBaseHrefFromPath())
+    }
+    if (! path.endsWith('/')) {
+      path = path + '/'
+    }
+    return path
+  }
+
+  getSourceUrl (filename: string): string {
+    const tenant = this.info.tenant
+    if (this.info.whiteLabel || filename === 'tenants') {
+      if (!this.info.whiteLabel) {
+        // Reset selected tenant
+        this.info.tenant = ''
+      }
+      return url.resolve(this.baseApiUrl, `api/${filename}`)
+    }
+    if (!tenant) {
+      // No tenant selected, go to tenant list
+      console.log('No tenant selected, navigate to tenants list')
+      this.router.navigate(['/tenants.html'])
+    }
+    return url.resolve(this.baseApiUrl, `api/tenant/${tenant}/${filename}`)
+  }
+
+  getWebsocketUrl (filename: string): string {
+    return this.getSourceUrl(filename)
+      .replace(/(http)(s)?\:\/\//, 'ws$2://')
+  }
+
+  getNavbarRoutes(): RouteDescription[] {
+    const routes = []
+    for (const routePage of this.routePages) {
+      const description: RouteDescription = {
+        title: this.getRouteTitle(routePage),
+        url: this.getRouterLink(routePage)
+      }
+      routes.push(description)
+    }
+    return routes
+  }
+
+  getRouteTitle(target: string): string {
+    return target.charAt(0).toUpperCase() + target.slice(1)
+  }
+
+  getRouterLink(target: string): string[] {
+    const htmlTarget = target + '.html'
+    if (this.info.whiteLabel) {
+      return ['/' + htmlTarget]
+    } else {
+      return ['/t', this.info.tenant, htmlTarget]
+    }
+  }
+
+}
+
+export default ZuulService