chore: use SAVEMANAGER as a module singleton

umap/static/umap/js/modules/global.js

@@ -31,7 +31,7 @@ import { DataLayer, LAYER_TYPES } from './data/layer.js'
 import { DataLayerPermissions, MapPermissions } from './permissions.js'
 import { Point, LineString, Polygon } from './data/features.js'
 import { LeafletMarker, LeafletPolyline, LeafletPolygon } from './rendering/ui.js'
-import { SAVEMANAGER } from './saving.js'
+import * as SAVEMANAGER from './saving.js'
 
 // Import modules and export them to the global scope.
 // For the not yet module-compatible JS out there.
@@ -49,7 +49,6 @@ window.U = {
   DataLayer,
   DataLayerPermissions,
   Dialog,
-  SAVEMANAGER,
   EditPanel,
   Facets,
   Formatter,
@@ -72,6 +71,7 @@ window.U = {
   Request,
   RequestError,
   Rules,
+  SAVEMANAGER,
   SCHEMA,
   ServerRequest,
   Share,

umap/static/umap/js/modules/saving.js

@@ -1,53 +1,47 @@
-export class SaveManager {
-  constructor() {
-    this._queue = new Set()
-  }
+const _queue = new Set()
 
-  get isDirty() {
-    return Boolean(this._queue.size)
-  }
+export let isDirty = false
 
-  async save() {
-    for (const obj of this._queue) {
-      const ok = await obj.save()
-      if (!ok) break
-      this.delete(obj)
-    }
-  }
-
-  add(obj) {
-    this._queue.add(obj)
-    this.updateDOM()
-  }
-
-  delete(obj) {
-    this._queue.delete(obj)
-    this.updateDOM()
-  }
-
-  has(obj) {
-    return this._queue.has(obj)
-  }
-
-  updateDOM() {
-    document.body.classList.toggle('umap-is-dirty', this._queue.size)
+export async function save() {
+  for (const obj of _queue) {
+    const ok = await obj.save()
+    if (!ok) break
+    remove(obj)
   }
 }
 
-export const SAVEMANAGER = new SaveManager()
+export function add(obj) {
+  _queue.add(obj)
+  _onUpdate()
+}
+
+export function remove(obj) {
+  _queue.delete(obj)
+  _onUpdate()
+}
+
+export function has(obj) {
+  return _queue.has(obj)
+}
+
+function _onUpdate() {
+  console.log(_queue)
+  isDirty = Boolean(_queue.size)
+  document.body.classList.toggle('umap-is-dirty', isDirty)
+}
 
 export class ServerStored {
   set isDirty(status) {
     if (status) {
-      SAVEMANAGER.add(this)
+      add(this)
     } else {
-      SAVEMANAGER.delete(this)
+      remove(this)
     }
     this.onDirty(status)
   }
 
   get isDirty() {
-    return SAVEMANAGER.has(this)
+    return has(this)
   }
 
   onDirty(status) {}

umap/static/umap/js/umap.js

@@ -158,8 +158,12 @@ U.Map = L.Map.extend({
     try {
       Object.defineProperty(this, 'isDirty', {
         get: () => U.SAVEMANAGER.has(this),
-        set: function (status) {
-          U.SAVEMANAGER.add(this)
+        set: (status) => {
+          if (status) {
+            U.SAVEMANAGER.add(this)
+          } else {
+            U.SAVEMANAGER.remove(this)
+          }
         },
       })
     } catch (e) {

umap/tests/integration/test_save.py

@@ -0,0 +1,35 @@
+import re
+
+
+def test_reseting_map_would_remove_from_save_queue(
+    live_server, openmap, page, datalayer
+):
+    page.goto(f"{live_server.url}{openmap.get_absolute_url()}?edit")
+    page.get_by_role("link", name="Edit map name and caption").click()
+    requests = []
+
+    def register_request(request):
+        if request.url.endswith(".png"):
+            return
+        requests.append((request.method, request.url))
+
+    page.on("request", register_request)
+    page.locator('input[name="name"]').click()
+    page.locator('input[name="name"]').fill("new name")
+    page.get_by_role("button", name="Cancel edits").click()
+    page.get_by_role("button", name="OK").click()
+    page.wait_for_timeout(500)
+    page.get_by_role("button", name="Edit").click()
+    page.get_by_role("link", name="Manage layers").click()
+    page.get_by_role("button", name="Edit", exact=True).click()
+    page.locator('input[name="name"]').click()
+    page.locator('input[name="name"]').fill("new datalayer name")
+    with page.expect_response(re.compile(".*/datalayer/update/.*")):
+        page.get_by_role("button", name="Save").click()
+    assert len(requests) == 1
+    assert requests == [
+        (
+            "POST",
+            f"{live_server.url}/en/map/{openmap.pk}/datalayer/update/{datalayer.pk}/",
+        ),
+    ]