Implement workspace filtering by project

package.json

@@ -471,6 +471,11 @@
         "command": "terraform.cloud.run.viewInBrowser",
         "title": "View Run",
         "icon": "$(globe)"
+      },
+      {
+        "command": "terraform.cloud.workspaces.filterByProject",
+        "title": "Filter by Project",
+        "icon": "$(filter)"
       }
     ],
     "menus": {
@@ -536,6 +541,11 @@
           "when": "view == terraform.providers",
           "group": "navigation"
         },
+        {
+          "command": "terraform.cloud.workspaces.filterByProject",
+          "when": "view == terraform.cloud.workspaces",
+          "group": "navigation"
+        },
         {
           "command": "terraform.cloud.workspaces.refresh",
           "when": "view == terraform.cloud.workspaces",

src/providers/tfc/workspaceFilters.ts

@@ -0,0 +1,102 @@
+/**
+ * Copyright (c) HashiCorp, Inc.
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
+import * as vscode from 'vscode';
+import { apiClient } from '../../terraformCloud';
+import { Project } from '../../terraformCloud/project';
+
+export class ResetProjectItem implements vscode.QuickPickItem {
+  get label() {
+    return '$(clear-all) Clear project filter. Show all workspaces';
+  }
+  get description() {
+    return '';
+  }
+  get alwaysShow() {
+    return true;
+  }
+}
+
+class ProjectItem implements vscode.QuickPickItem {
+  constructor(protected project: Project) {}
+  get label() {
+    return this.project.attributes.name;
+  }
+  get description() {
+    return this.project.id;
+  }
+}
+
+async function createProjectItems(organization: string, search?: string): Promise<ProjectItem[]> {
+  const projects = await apiClient.listProjects({
+    params: {
+      organization_name: organization,
+    },
+    // Include query parameter only if search argument is passed
+    ...(search && {
+      queries: {
+        q: search,
+      },
+    }),
+  });
+
+  return projects.data.map((project) => new ProjectItem(project));
+}
+
+export class ProjectQuickPick {
+  private quickPick: vscode.QuickPick<vscode.QuickPickItem>;
+  private fetchTimerKey: NodeJS.Timeout | undefined;
+
+  constructor(private organizationName: string) {
+    this.quickPick = vscode.window.createQuickPick();
+    this.quickPick.title = 'Filter Workspaces';
+    this.quickPick.placeholder = 'Select a project (type to search)';
+    this.quickPick.onDidChangeValue(this.onDidChangeValue, this);
+  }
+
+  private onDidChangeValue() {
+    clearTimeout(this.fetchTimerKey);
+    // Only starts fetching projects after a user stopped typing for 300ms
+    this.fetchTimerKey = setTimeout(() => this.fetchProjects.apply(this), 300);
+  }
+
+  private async fetchProjects() {
+    // TODO?: To further improve performance, we could consider throttling this function
+    const resetProjectItem = new ResetProjectItem();
+    const picks: vscode.QuickPickItem[] = [resetProjectItem, { label: '', kind: vscode.QuickPickItemKind.Separator }];
+    try {
+      this.quickPick.busy = true;
+      this.quickPick.show();
+
+      picks.push(...(await createProjectItems(this.organizationName, this.quickPick.value)));
+    } catch (error) {
+      let message = 'Failed to fetch projects';
+      if (error instanceof Error) {
+        message = error.message;
+      } else if (typeof error === 'string') {
+        message = error;
+      }
+
+      picks.push({ label: `$(error) Error: ${message}`, alwaysShow: true });
+      console.error(error);
+    } finally {
+      this.quickPick.items = picks;
+      this.quickPick.busy = false;
+    }
+  }
+
+  async pick() {
+    await this.fetchProjects();
+
+    const project = await new Promise<vscode.QuickPickItem | undefined>((c) => {
+      this.quickPick.onDidAccept(() => c(this.quickPick.selectedItems[0]));
+      this.quickPick.onDidHide(() => c(undefined));
+      this.quickPick.show();
+    });
+    this.quickPick.hide();
+
+    return project;
+  }
+}

src/providers/tfc/workspaceProvider.ts

@@ -4,28 +4,46 @@
  */
 
 import * as vscode from 'vscode';
+import axios from 'axios';
+
 import { RunTreeDataProvider } from './runProvider';
 import { apiClient } from '../../terraformCloud';
 import { TerraformCloudAuthenticationProvider } from '../authenticationProvider';
-import axios from 'axios';
+import { ProjectQuickPick, ResetProjectItem } from './workspaceFilters';
 
 export class WorkspaceTreeDataProvider implements vscode.TreeDataProvider<WorkspaceTreeItem>, vscode.Disposable {
   private readonly didChangeTreeData = new vscode.EventEmitter<void | WorkspaceTreeItem>();
   public readonly onDidChangeTreeData = this.didChangeTreeData.event;
+  private projectFilter: string | undefined;
 
   constructor(private ctx: vscode.ExtensionContext, private runDataProvider: RunTreeDataProvider) {
     this.ctx.subscriptions.push(
       vscode.commands.registerCommand('terraform.cloud.workspaces.refresh', (workspaceItem: WorkspaceTreeItem) => {
         this.refresh();
         this.runDataProvider.refresh(workspaceItem);
       }),
+      vscode.commands.registerCommand('terraform.cloud.workspaces.filterByProject', () => this.filterByProject()),
     );
   }
 
   refresh(): void {
     this.didChangeTreeData.fire();
   }
 
+  async filterByProject(): Promise<void> {
+    // TODO! only run this if user is logged in
+    const organization = this.ctx.workspaceState.get('terraform.cloud.organization', '');
+    const projectQuickPick = new ProjectQuickPick(organization);
+    const project = await projectQuickPick.pick();
+
+    if (project === undefined || project instanceof ResetProjectItem) {
+      this.projectFilter = undefined;
+    } else {
+      this.projectFilter = project.description;
+    }
+    this.refresh();
+  }
+
   getTreeItem(element: WorkspaceTreeItem): vscode.TreeItem | Thenable<vscode.TreeItem> {
     return element;
   }
@@ -62,8 +80,17 @@ export class WorkspaceTreeDataProvider implements vscode.TreeDataProvider<Worksp
         params: {
           organization_name: organization,
         },
+        // Include query parameter only if project filter is set
+        ...(this.projectFilter && {
+          queries: {
+            'filter[project][id]': this.projectFilter,
+          },
+        }),
       });
 
+      // TODO? we could skip this request if a project filter is set,
+      // but with the addition of more filters, we could still get
+      // projects from different workspaces
       const projectResponse = await apiClient.listProjects({
         params: {
           organization_name: organization,

src/terraformCloud/project.ts

@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: MPL-2.0
  */
 
-import { makeApi } from '@zodios/core';
+import { makeApi, makeParameters } from '@zodios/core';
 import { z } from 'zod';
 import { paginationMeta, paginationParams } from './pagination';
 
@@ -14,21 +14,32 @@ const project = z.object({
   }),
 });
 
+export type Project = z.infer<typeof project>;
+
 const projects = z.object({
   data: z.array(project),
   meta: z.object({
     pagination: paginationMeta,
   }),
 });
 
+const searchQueryParams = makeParameters([
+  {
+    name: 'q',
+    type: 'Query',
+    description: ' A search query string. This query searches projects by name. This search is case-insensitive.',
+    schema: z.string().optional(),
+  },
+]);
+
 export const projectEndpoints = makeApi([
   {
     method: 'get',
     path: '/organizations/:organization_name/projects',
     alias: 'listProjects',
     description: 'List projects in the organization',
     response: projects,
-    parameters: paginationParams,
+    parameters: [...paginationParams, ...searchQueryParams],
   },
   {
     method: 'get',