feat: Add provisional mode where submission can be undone

fyo/model/doc.ts

@@ -223,6 +223,30 @@ export class Doc extends Observable<DocValue | Doc[]> {
     return true;
   }
 
+  get canUndoSubmit() {
+    if (!this.canCancel) {
+      return false;
+    }
+
+    if (this.fyo.singles.SystemSettings?.provisionalModeSince == null) {
+      return false;
+    }
+
+    const submittedAt: Date = (this.submittedAt || this.created) as Date;
+    if (!submittedAt) {
+      return false;
+    }
+
+    if (
+      submittedAt <
+      (this.fyo.singles.SystemSettings.provisionalModeSince as Date)
+    ) {
+      return false;
+    }
+
+    return true;
+  }
+
   get canCancel() {
     if (!this.schema.isSubmittable) {
       return false;
@@ -344,14 +368,17 @@ export class Doc extends Observable<DocValue | Doc[]> {
     value?: DocValue | Doc[] | DocValueMap[]
   ): boolean {
     if (fieldname === 'numberSeries' && !this.notInserted) {
+      // console.log("cannot set %s, numberSeries inserted", fieldname)
       return false;
     }
 
     if (value === undefined) {
+      // console.log("cannot set %s, undefined value", fieldname)
       return false;
     }
 
     if (this.fieldMap[fieldname] === undefined) {
+      // console.log("cannot set %s, no fieldMap", fieldname, this.fieldMap)
       return false;
     }
 
@@ -940,12 +967,27 @@ export class Doc extends Observable<DocValue | Doc[]> {
 
     await this.trigger('beforeSubmit');
     await this.setAndSync('submitted', true);
+    await this.setAndSync('submittedAt', new Date());
     await this.trigger('afterSubmit');
 
     this.fyo.telemetry.log(Verb.Submitted, this.schemaName);
     this.fyo.doc.observer.trigger(`submit:${this.schemaName}`, this.name);
   }
 
+  async submitUndo() {
+    if (!this.schema.isSubmittable || !this.submitted || this.cancelled) {
+      return;
+    }
+
+    await this.trigger('beforeSubmitUndo');
+    await this.setAndSync('submitted', false);
+    await this.setAndSync('submittedAt', null);
+    await this.trigger('afterSubmitUndo');
+
+    this.fyo.telemetry.log(Verb.SubmitUndone, this.schemaName);
+    this.fyo.doc.observer.trigger(`submitUndo:${this.schemaName}`, this.name);
+  }
+
   async cancel() {
     if (!this.schema.isSubmittable || !this.submitted || this.cancelled) {
       return;
@@ -1058,6 +1100,8 @@ export class Doc extends Observable<DocValue | Doc[]> {
   async afterSync() {}
   async beforeSubmit() {}
   async afterSubmit() {}
+  async beforeSubmitUndo() {}
+  async afterSubmitUndo() {}
   async beforeRename() {}
   async afterRename() {}
   async beforeCancel() {}

fyo/telemetry/types.ts

@@ -8,6 +8,7 @@ export enum Verb {
   Created = 'created',
   Deleted = 'deleted',
   Submitted = 'submitted',
+  SubmitUndone = 'submitUndone',
   Cancelled = 'cancelled',
   Imported = 'imported',
   Exported = 'exported',

models/Transactional/Transactional.ts

@@ -56,6 +56,15 @@ export abstract class Transactional extends Doc {
     await posting.post();
   }
 
+  async afterSubmitUndo(): Promise<void> {
+    await super.afterSubmitUndo();
+    if (!this.isTransactional) {
+      return;
+    }
+
+    await this._deletePostings();
+  }
+
   async afterCancel(): Promise<void> {
     await super.afterCancel();
     if (!this.isTransactional) {
@@ -76,6 +85,10 @@ export abstract class Transactional extends Doc {
       return;
     }
 
+    await this._deletePostings();
+  }
+
+  async _deletePostings(): Promise<void> {
     const ledgerEntryIds = (await this.fyo.db.getAll(
       ModelNameEnum.AccountingLedgerEntry,
       {

models/baseModels/Invoice/Invoice.ts

@@ -245,9 +245,29 @@ export abstract class Invoice extends Transactional {
     }
   }
 
+  async afterSubmitUndo() {
+    await super.afterSubmitUndo();
+    await this._cancelPayments({ undo: true });
+    await this._updatePartyOutStanding();
+    await this._updateIsItemsReturned();
+    await this._removeLoyaltyPointEntry();
+    this.reduceUsedCountOfCoupons();
+  }
+
+  async _undoPayments() {
+    const paymentIds = await this.getPaymentIds();
+    for (const paymentId of paymentIds) {
+      const paymentDoc = (await this.fyo.doc.getDoc(
+        'Payment',
+        paymentId
+      )) as Payment;
+      await paymentDoc.cancel();
+    }
+  }
+
   async afterCancel() {
     await super.afterCancel();
-    await this._cancelPayments();
+    await this._cancelPayments({ undo: false });
     await this._updatePartyOutStanding();
     await this._updateIsItemsReturned();
     await this._removeLoyaltyPointEntry();
@@ -258,14 +278,18 @@ export abstract class Invoice extends Transactional {
     await removeLoyaltyPoint(this);
   }
 
-  async _cancelPayments() {
+  async _cancelPayments({ undo }: { undo: boolean }) {
     const paymentIds = await this.getPaymentIds();
     for (const paymentId of paymentIds) {
       const paymentDoc = (await this.fyo.doc.getDoc(
         'Payment',
         paymentId
       )) as Payment;
-      await paymentDoc.cancel();
+      if (undo) {
+        await paymentDoc.submitUndo();
+      } else {
+        await paymentDoc.cancel();
+      }
     }
   }
 

models/baseModels/Payment/Payment.ts

@@ -442,6 +442,11 @@ export class Payment extends Transactional {
     }
   }
 
+  async afterSubmitUndo() {
+    await super.afterSubmitUndo();
+    await this.revertOutstandingAmount();
+  }
+
   async afterCancel() {
     await super.afterCancel();
     await this.revertOutstandingAmount();

models/inventory/StockManager.ts

@@ -46,6 +46,10 @@ export class StockManager {
     await this.#sync();
   }
 
+  async undoTransfers() {
+    await this.cancelTransfers();
+  }
+
   async cancelTransfers() {
     const { referenceName, referenceType } = this.details;
     await this.fyo.db.deleteAll(ModelNameEnum.StockLedgerEntry, {

models/inventory/StockMovement.ts

@@ -69,6 +69,11 @@ export class StockMovement extends Transfer {
     await updateSerialNumbers(this, false);
   }
 
+  async afterSubmitUndo(): Promise<void> {
+    await super.afterSubmitUndo();
+    await updateSerialNumbers(this, true);
+  }
+
   async afterCancel(): Promise<void> {
     await super.afterCancel();
     await updateSerialNumbers(this, true);

models/inventory/StockTransfer.ts

@@ -217,6 +217,13 @@ export abstract class StockTransfer extends Transfer {
     await this._updateItemsReturned();
   }
 
+  async afterSubmitUndo() {
+    await super.afterSubmitUndo();
+    await updateSerialNumbers(this, false, this.isReturn);
+    await this._updateBackReference();
+    await this._updateItemsReturned();
+  }
+
   async afterCancel(): Promise<void> {
     await super.afterCancel();
     await updateSerialNumbers(this, true, this.isReturn);

models/inventory/Transfer.ts

@@ -21,6 +21,19 @@ export abstract class Transfer extends Transactional {
     await this._getStockManager().createTransfers(transferDetails);
   }
 
+  async beforeSubmitUndo(): Promise<void> {
+    await super.beforeSubmitUndo();
+    const transferDetails = this._getTransferDetails();
+    const stockManager = this._getStockManager();
+    stockManager.isCancelled = true;
+    await stockManager.validateCancel(transferDetails);
+  }
+
+  async afterSubmitUndo(): Promise<void> {
+    await super.afterSubmitUndo();
+    await this._getStockManager().undoTransfers();
+  }
+
   async beforeCancel(): Promise<void> {
     await super.beforeCancel();
     const transferDetails = this._getTransferDetails();

schemas/core/SystemSettings.json

@@ -125,6 +125,13 @@
       "default": false,
       "description": "Sets the theme of the app.",
       "section": "Theme"
+    },
+    {
+      "fieldname": "provisionalModeSince",
+      "label": "Provisional Mode Since",
+      "fieldtype": "Datetime",
+      "description": "Date since the provisional mode is set, or NULL for definitive mode",
+      "hidden": true
     }
   ],
   "quickEditFields": [

schemas/meta/submittable.json

@@ -9,6 +9,14 @@
       "meta": true,
       "section": "System"
     },
+    {
+      "fieldname": "submittedAt",
+      "label": "Submition Date",
+      "fieldtype": "Datetime",
+      "required": false,
+      "meta": true,
+      "section": "System"
+    },
     {
       "fieldname": "cancelled",
       "label": "Cancelled",

src/components/Sidebar.vue

@@ -109,6 +109,32 @@
 
     <!-- Report Issue and DB Switcher -->
     <div class="window-no-drag flex flex-col gap-2 py-2 px-4">
+      <button
+        class="
+          flex
+          text-sm text-gray-600
+          dark:text-gray-500
+          hover:text-gray-800
+          dark:hover:text-gray-400
+          gap-1
+          items-center
+        "
+        @click="toggleProvisionalMode"
+        :title="
+          isProvisionalMode()
+            ? t`Provisional mode since` + ' ' + provisionalModeDate()
+            : ''
+        "
+      >
+        <feather-icon
+          :name="isProvisionalMode() ? 'pause-circle' : 'play-circle'"
+          class="h-4 w-4 flex-shrink-0"
+        />
+        <p>
+          {{ isProvisionalMode() ? t`Provisional mode` : t`Definitive mode` }}
+        </p>
+      </button>
+
       <button
         class="
           flex
@@ -184,7 +210,12 @@
         @click="showDevMode = false"
         title="Open dev tools with Ctrl+Shift+I"
       >
-        dev mode
+        <feather-icon
+          name="hash"
+          class="h-4 w-4 flex-shrink-0"
+          style="display: inline"
+        />
+        hide dev mode
       </p>
     </div>
 
@@ -214,6 +245,7 @@
   </div>
 </template>
 <script lang="ts">
+import { t } from 'fyo';
 import { reportIssue } from 'src/errorHandling';
 import { fyo } from 'src/initFyo';
 import { languageDirectionKey, shortcutsKey } from 'src/utils/injectionKeys';
@@ -226,6 +258,7 @@ import router from '../router';
 import Icon from './Icon.vue';
 import Modal from './Modal.vue';
 import ShortcutsHelper from './ShortcutsHelper.vue';
+import { showDialog } from 'src/utils/interactive';
 
 const COMPONENT_NAME = 'Sidebar';
 
@@ -291,6 +324,64 @@ export default defineComponent({
     routeTo,
     reportIssue,
     toggleSidebar,
+    async toggleProvisionalMode() {
+      let title, detail, provisionalModeSince, showUnlimited;
+      if (fyo.singles.SystemSettings?.provisionalModeSince != null) {
+        title = t`Leave provisional mode?`;
+        detail = t`All submissions while provisional mode was effective will be definitive.`;
+        provisionalModeSince = null;
+      } else {
+        title = t`Enter provisional mode?`;
+        detail = t`Documents submission while in provisional mode can be undone.`;
+        provisionalModeSince = new Date();
+        showUnlimited = this.showDevMode;
+      }
+
+      let response = (await showDialog({
+        title,
+        detail,
+        type: 'warning',
+        buttons: [
+          {
+            label: t`Yes`,
+            action() {
+              return true;
+            },
+            isPrimary: true,
+          },
+          {
+            label: t`No`,
+            action() {
+              return false;
+            },
+            isEscape: true,
+          },
+          showUnlimited
+            ? {
+                label: t`Unlimited`,
+                action() {
+                  provisionalModeSince = new Date(0);
+                  return true;
+                },
+                isPrimary: false,
+              }
+            : null,
+        ].filter((x) => x),
+      })) as boolean;
+
+      if (response) {
+        await fyo.singles.SystemSettings?.setAndSync(
+          'provisionalModeSince',
+          provisionalModeSince
+        );
+      }
+    },
+    isProvisionalMode() {
+      return fyo.singles.SystemSettings?.provisionalModeSince != null;
+    },
+    provisionalModeDate() {
+      return fyo.singles.SystemSettings?.provisionalModeSince;
+    },
     openDocumentation() {
       ipc.openLink('https://docs.frappe.io/' + docsPathRef.value);
     },