From 38edadac90a9c238b46d0fe5a36efe73ce4dffe2 Mon Sep 17 00:00:00 2001
From: Nabil Bourenane <nabil.bourenane@icloud.com>
Date: Tue, 8 Feb 2022 14:24:45 +0100
Subject: [PATCH] Add PLATFORM_LOCAL_MANIFEST_JSON env (#1586)

* kaboom

* let\'s try it

* readFile -> readFileSync

* debug

* allow local manifest initialization with env variable

Co-authored-by: Nabil Bourenane <bourenane.nabil@icloud.com>
Co-authored-by: Alexandre Chabrolin <9203826+chabroA@users.noreply.github.com>
---
 src/env.ts                                  |  5 ++++
 src/platform/PlatformAppProvider/helpers.ts | 29 +++++++++++++++++++++
 src/platform/PlatformAppProvider/index.tsx  |  5 ++--
 3 files changed, 37 insertions(+), 2 deletions(-)

diff --git a/src/env.ts b/src/env.ts
index f2f2975934..b699d82027 100644
--- a/src/env.ts
+++ b/src/env.ts
@@ -540,6 +540,11 @@ const envDefinitions = {
     parser: stringParser,
     desc: "url used to fetch platform app manifests (staging)",
   },
+  PLATFORM_LOCAL_MANIFEST_JSON: {
+    def: "",
+    parser: stringParser,
+    desc: 'json manifest for a local (test) platform app manifests. How to use: PLATFORM_LOCAL_MANIFEST_JSON="$(cat /path/to/file.json)"',
+  },
   PLATFORM_API_URL: {
     def: "",
     parser: stringParser,
diff --git a/src/platform/PlatformAppProvider/helpers.ts b/src/platform/PlatformAppProvider/helpers.ts
index faa78eeac9..2c5d4404b2 100644
--- a/src/platform/PlatformAppProvider/helpers.ts
+++ b/src/platform/PlatformAppProvider/helpers.ts
@@ -6,6 +6,7 @@ export type FilterParams = {
   private?: boolean;
   version?: string;
 };
+import { getEnv } from "../../env";
 
 function matchVersion(filterParams: FilterParams, manifest: AppManifest) {
   return (
@@ -52,3 +53,31 @@ export function mergeManifestLists(
   const newIds = new Set(list2.map((elem) => elem.id));
   return [...list1.filter((elem) => !newIds.has(elem.id)), ...list2];
 }
+
+export const initializeLocalManifest = (): Map<string, AppManifest> => {
+  const localManifestJsonRaw: string | null | undefined = getEnv(
+    "PLATFORM_LOCAL_MANIFEST_JSON"
+  );
+
+  if (!localManifestJsonRaw) {
+    return new Map();
+  }
+
+  try {
+    const manifest: AppManifest | [AppManifest] =
+      JSON.parse(localManifestJsonRaw);
+
+    const manifestArray = Array.isArray(manifest) ? manifest : [manifest];
+
+    const map = new Map(manifestArray.map((m) => [m.id, m]));
+
+    return map;
+  } catch (error) {
+    /**
+     * Probable error during `JSON.parse` call, log error and return empty map
+     * as if env variable was not defined
+     */
+    console.error(error);
+    return new Map();
+  }
+};
diff --git a/src/platform/PlatformAppProvider/index.tsx b/src/platform/PlatformAppProvider/index.tsx
index 041c130b04..ab663845b4 100644
--- a/src/platform/PlatformAppProvider/index.tsx
+++ b/src/platform/PlatformAppProvider/index.tsx
@@ -9,11 +9,12 @@ import React, {
 import type { PlatformAppContextType, Props, State } from "./types";
 import api from "./api";
 import type { AppManifest } from "../types";
+import { initializeLocalManifest } from "./helpers";
 
 // @ts-expect-error empty object creates an error
 const PlatformAppContext = createContext<PlatformAppContextType>({});
 const initialState: State = {
-  localManifests: new Map(),
+  localManifests: initializeLocalManifest(),
   remoteManifests: new Map(),
   isLoading: false,
   lastUpdateTime: undefined,
@@ -28,7 +29,7 @@ export function PlatformAppProvider({
   autoUpdateDelay,
   platformAppsServerURL,
   children,
-}: Props) {
+}: Props): JSX.Element {
   const [state, setState] = useState<State>(initialState);
 
   const addLocalManifest = useCallback((manifest: AppManifest) => {