✨ Implement the Task Manager drawer

client/src/app/App.tsx

@@ -4,16 +4,19 @@ import { BrowserRouter } from "react-router-dom";
 import { AppRoutes } from "./Routes";
 import { DefaultLayout } from "./layout";
 import { NotificationsProvider } from "./components/NotificationsContext";
+import { TaskManagerProvider } from "./components/task-manager/TaskManagerContext";
 
 import "./app.css";
 
 const App: React.FC = () => {
   return (
     <BrowserRouter>
       <NotificationsProvider>
-        <DefaultLayout>
-          <AppRoutes />
-        </DefaultLayout>
+        <TaskManagerProvider>
+          <DefaultLayout>
+            <AppRoutes />
+          </DefaultLayout>
+        </TaskManagerProvider>
       </NotificationsProvider>
     </BrowserRouter>
   );

client/src/app/api/models.ts

@@ -413,6 +413,19 @@ export interface Taskgroup {
   tasks: TaskgroupTask[];
 }
 
+export interface TaskQueue {
+  /** Total number of tasks scheduled */
+  total: number;
+  /** number of tasks ready to run */
+  ready: number;
+  /** number of postponed tasks */
+  postponed: number;
+  /** number of tasks with pods created awaiting node scheduler */
+  pending: number;
+  /** number of tasks with running pods */
+  running: number;
+}
+
 export interface Cache {
   path: string;
   capacity: string;

client/src/app/api/rest.ts

@@ -1,51 +1,52 @@
 import axios, { AxiosPromise, RawAxiosRequestHeaders } from "axios";
 
 import {
+  AnalysisAppDependency,
+  AnalysisAppReport,
   AnalysisDependency,
-  BaseAnalysisRuleReport,
-  BaseAnalysisIssueReport,
-  AnalysisIssue,
   AnalysisFileReport,
   AnalysisIncident,
+  AnalysisIssue,
   Application,
   ApplicationAdoptionPlan,
   ApplicationDependency,
   ApplicationImport,
   ApplicationImportSummary,
+  Archetype,
   Assessment,
+  BaseAnalysisIssueReport,
+  BaseAnalysisRuleReport,
   BusinessService,
   Cache,
+  HubFile,
   HubPaginatedResult,
   HubRequestParams,
   Identity,
+  InitialAssessment,
   IReadFile,
-  Tracker,
   JobFunction,
+  MigrationWave,
+  MimeType,
+  New,
   Proxy,
+  Questionnaire,
+  Ref,
   Review,
   Setting,
   SettingTypes,
   Stakeholder,
   StakeholderGroup,
   Tag,
   TagCategory,
+  Target,
   Task,
   Taskgroup,
-  MigrationWave,
+  TaskQueue,
   Ticket,
-  New,
-  Ref,
+  Tracker,
   TrackerProject,
   TrackerProjectIssuetype,
   UnstructuredFact,
-  AnalysisAppDependency,
-  AnalysisAppReport,
-  Target,
-  HubFile,
-  Questionnaire,
-  Archetype,
-  InitialAssessment,
-  MimeType,
 } from "./models";
 import { serializeRequestParamsForHub } from "@app/hooks/table-controls";
 
@@ -332,7 +333,7 @@ export function getTaskById(id: number): Promise<Task> {
 
 export function getTaskByIdAndFormat(
   id: number,
-  format: string,
+  format: "json" | "yaml",
   merged: boolean = false
 ): Promise<string> {
   const isYaml = format === "yaml";
@@ -345,7 +346,7 @@ export function getTaskByIdAndFormat(
   }
 
   return axios
-    .get(url, {
+    .get<Task | string>(url, {
       headers: headers,
       responseType: responseType,
     })
@@ -362,10 +363,15 @@ export const getTasks = () =>
 export const getServerTasks = (params: HubRequestParams = {}) =>
   getHubPaginatedResult<Task>(TASKS, params);
 
-export const deleteTask = (id: number) => axios.delete<Task>(`${TASKS}/${id}`);
+export const deleteTask = (id: number) => axios.delete<void>(`${TASKS}/${id}`);
 
 export const cancelTask = (id: number) =>
-  axios.put<Task>(`${TASKS}/${id}/cancel`);
+  axios.put<void>(`${TASKS}/${id}/cancel`);
+
+export const getTaskQueue = (addon?: string): Promise<TaskQueue> =>
+  axios
+    .get<TaskQueue>(`${TASKS}/report/queue`, { params: { addon } })
+    .then(({ data }) => data);
 
 export const createTaskgroup = (obj: Taskgroup) =>
   axios.post<Taskgroup>(TASKGROUPS, obj).then((response) => response.data);

client/src/app/components/task-manager/TaskManagerContext.tsx

@@ -0,0 +1,48 @@
+import { useFetchTaskQueue } from "@app/queries/tasks";
+import React, { useContext, useMemo, useState } from "react";
+
+interface TaskManagerContextProps {
+  /** Count of the currently "queued" Tasks */
+  queuedCount: number;
+
+  /** Is the task manager drawer currently visible? */
+  isExpanded: boolean;
+
+  /** Control if the task manager drawer is visible */
+  setIsExpanded: (value: boolean) => void;
+}
+
+const TaskManagerContext = React.createContext<TaskManagerContextProps>({
+  queuedCount: 0,
+
+  isExpanded: false,
+  setIsExpanded: () => undefined,
+});
+
+export const useTaskManagerContext = () => {
+  const values = useContext(TaskManagerContext);
+
+  return values;
+};
+
+export const TaskManagerProvider: React.FC<{ children: React.ReactNode }> = ({
+  children,
+}) => {
+  const { taskQueue } = useFetchTaskQueue();
+  const [isExpanded, setIsExpanded] = useState(false);
+
+  const contextValue = useMemo(
+    () => ({
+      queuedCount: taskQueue.total,
+      isExpanded,
+      setIsExpanded,
+    }),
+    [taskQueue.total, isExpanded, setIsExpanded]
+  );
+
+  return (
+    <TaskManagerContext.Provider value={contextValue}>
+      {children}
+    </TaskManagerContext.Provider>
+  );
+};

client/src/app/components/task-manager/TaskManagerDrawer.css

@@ -0,0 +1,3 @@
+.task-manager-item-collapsed .pf-v5-c-notification-drawer__list-item-header {
+  margin-bottom: 0;
+}