From 5fa1e96b90c7398338d67ef7a7337ee3628591bd Mon Sep 17 00:00:00 2001
From: Christos Arvanitis <christos.arvanitis@armory.io>
Date: Tue, 7 May 2024 10:38:02 +0300
Subject: [PATCH] feat(taskView): Implement opt-in paginated request for
 TaskView (#10093)

* feat(tasksview): Allowing opt-in pagination for tasks view loading

* feat(taskView): Implement opt-in paginated request for TaskView
---
 packages/core/src/config/settings.ts        |  1 +
 packages/core/src/task/task.dataSource.js   | 20 ++++++++++++++++++--
 packages/core/src/task/task.read.service.ts | 13 +++++++++++--
 yarn.lock                                   |  8 ++++----
 4 files changed, 34 insertions(+), 8 deletions(-)

diff --git a/packages/core/src/config/settings.ts b/packages/core/src/config/settings.ts
index 9691df1ff73..733b8eaf2cf 100644
--- a/packages/core/src/config/settings.ts
+++ b/packages/core/src/config/settings.ts
@@ -142,6 +142,7 @@ export interface ISpinnakerSettings {
   };
   stashTriggerInfo?: string;
   pollSchedule: number;
+  tasksViewLimitPerPage: number;
   providers?: {
     [key: string]: IProviderSettings; // allows custom providers not typed in here (good for testing too)
   };
diff --git a/packages/core/src/task/task.dataSource.js b/packages/core/src/task/task.dataSource.js
index 03f9ce7dc54..515e1a9c771 100644
--- a/packages/core/src/task/task.dataSource.js
+++ b/packages/core/src/task/task.dataSource.js
@@ -2,6 +2,7 @@ import * as angular from 'angular';
 
 import { ApplicationDataSourceRegistry } from '../application/service/ApplicationDataSourceRegistry';
 import { CLUSTER_SERVICE } from '../cluster/cluster.service';
+import { SETTINGS } from '../config';
 import { TaskReader } from './task.read.service';
 
 export const CORE_TASK_TASK_DATASOURCE = 'spinnaker.core.task.dataSource';
@@ -14,8 +15,23 @@ angular.module(CORE_TASK_TASK_DATASOURCE, [CLUSTER_SERVICE]).run([
       return $q.when(angular.isArray(tasks) ? tasks : []);
     };
 
-    const loadTasks = (application) => {
-      return TaskReader.getTasks(application.name);
+    const loadPaginatedTasks = async (application, page = 1) => {
+      let limitPerPage = SETTINGS.tasksViewLimitPerPage;
+      const tasks = await TaskReader.getTasks(application.name, [], limitPerPage, page);
+      if (tasks.length === limitPerPage) {
+        return tasks.concat(await loadPaginatedTasks(application, page + 1));
+      } else {
+        return tasks;
+      }
+    };
+
+    const loadTasks = (application, page = 1) => {
+      let limitPerPage = SETTINGS.tasksViewLimitPerPage;
+      if (limitPerPage === undefined) {
+        return TaskReader.getTasks(application.name);
+      } else {
+        return loadPaginatedTasks(application, page);
+      }
     };
 
     const loadRunningTasks = (application) => {
diff --git a/packages/core/src/task/task.read.service.ts b/packages/core/src/task/task.read.service.ts
index efb273b3edc..14662fc5ac6 100644
--- a/packages/core/src/task/task.read.service.ts
+++ b/packages/core/src/task/task.read.service.ts
@@ -8,10 +8,19 @@ import { OrchestratedItemTransformer } from '../orchestratedItem/orchestratedIte
 export class TaskReader {
   private static activeStatuses: string[] = ['RUNNING', 'SUSPENDED', 'NOT_STARTED'];
 
-  public static getTasks(applicationName: string, statuses: string[] = []): PromiseLike<ITask[]> {
+  public static getTasks(
+    applicationName: string,
+    statuses: string[] = [],
+    limitPerPage: number = null,
+    page: number = null,
+  ): PromiseLike<ITask[]> {
     return REST('/applications')
       .path(applicationName, 'tasks')
-      .query({ statuses: statuses.join(',') })
+      .query({
+        statuses: statuses.join(','),
+        limit: limitPerPage,
+        page: page,
+      })
       .get()
       .then((tasks: ITask[]) => {
         tasks.forEach((task) => this.setTaskProperties(task));
diff --git a/yarn.lock b/yarn.lock
index 3d40c2754ed..781fcda7b3b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -18292,10 +18292,10 @@ vite-plugin-svgr@^0.3.0:
   dependencies:
     "@svgr/core" "^5.5.0"
 
-vite@2.9.16:
-  version "2.9.16"
-  resolved "https://registry.yarnpkg.com/vite/-/vite-2.9.16.tgz#daf7ba50f5cc37a7bf51b118ba06bc36e97898e9"
-  integrity sha512-X+6q8KPyeuBvTQV8AVSnKDvXoBMnTx8zxh54sOwmmuOdxkjMmEJXH2UEchA+vTMps1xw9vL64uwJOWryULg7nA==
+vite@2.9.18:
+  version "2.9.18"
+  resolved "https://registry.yarnpkg.com/vite/-/vite-2.9.18.tgz#74e2a83b29da81e602dac4c293312cc575f091c7"
+  integrity sha512-sAOqI5wNM9QvSEE70W3UGMdT8cyEn0+PmJMTFvTB8wB0YbYUWw3gUbY62AOyrXosGieF2htmeLATvNxpv/zNyQ==
   dependencies:
     esbuild "^0.14.27"
     postcss "^8.4.13"