DB Integrity checks for batch integrity and also updates quantities when it can.

brewman/brewman/routers/db_integrity.py

@@ -1,10 +1,18 @@
+import uuid
+
 from fastapi import APIRouter, Security
-from sqlalchemy import delete, desc, distinct, func, over, select
+from sqlalchemy import delete, desc, distinct, func, over, select, update
 from sqlalchemy.orm import Session
 
 from ..core.security import get_current_active_user as get_user
 from ..db.session import SessionFuture
 from ..models.attendance import Attendance
+from ..models.batch import Batch
+from ..models.cost_centre import CostCentre
+from ..models.inventory import Inventory
+from ..models.journal import Journal
+from ..models.voucher import Voucher
+from ..models.voucher_type import VoucherType
 from ..schemas.user import UserToken
 
 
@@ -16,6 +24,9 @@ def post_check_db(user: UserToken = Security(get_user)):
     info = {}
 
     with SessionFuture() as db:
+        info["batches"] = batches(db)
+        info["batchDates"] = batch_dates(db)
+        #TODO: Also check the prices in the batches to errors
         duplicate_attendances = get_duplicate_attendances(db)
         if duplicate_attendances > 0:
             fix_duplicate_attendances(db)
@@ -25,15 +36,13 @@ def post_check_db(user: UserToken = Security(get_user)):
 
 
 def get_duplicate_attendances(db: Session) -> int:
-    sub_query = (
-        select(
-            over(
-                distinct(func.first_value(Attendance.id)),
-                partition_by=[Attendance.employee_id, Attendance.date],
-            )
+    sub_query = select(
+        over(
+            distinct(func.first_value(Attendance.id)),
+            partition_by=[Attendance.employee_id, Attendance.date],
         )
-        .where(Attendance.is_valid == True)  # noqa: E712
-        .subquery()
+    ).where(
+        Attendance.is_valid == True  # noqa: E712
     )
     query = db.execute(
         select(func.count(Attendance.id)).where(
@@ -56,3 +65,85 @@ def fix_duplicate_attendances(db: Session) -> None:
         .subquery()
     )
     db.execute(delete(Attendance).where(~Attendance.id.in_(sub), Attendance.is_valid == True))  # noqa: E712
+
+
+def batches(db: Session):
+    quantities = db.execute(
+        select(Inventory.batch_id, func.sum(Inventory.quantity * Journal.debit))
+        .join(Inventory.voucher)
+        .join(Voucher.journals)
+        .where(
+            Voucher.type.in_(
+                [
+                    VoucherType.by_name("Purchase").id,
+                    VoucherType.by_name("Purchase Return").id,
+                    VoucherType.by_name("Issue").id,
+                    VoucherType.by_name("Opening Batches").id,
+                ]
+            ),
+            Journal.cost_centre_id == CostCentre.cost_centre_purchase(),
+        )
+        .group_by(Inventory.batch_id)
+    ).all()
+
+    issue = []
+    for batch_id, quantity in quantities:
+        batch = db.execute(select(Batch).where(Batch.id == batch_id)).scalar_one()
+        if batch.quantity_remaining == quantity:
+            continue
+        if quantity >= 0:
+            db.execute(update(Batch).where(Batch.id == batch_id).values(quantity_remaining=quantity))
+        else:
+            issue.append(
+                {
+                    "product": batch.product.full_name,
+                    "date": batch.name,
+                    "showing": batch.quantity_remaining,
+                    "actual": quantity,
+                    "details": batch_details(batch_id, db),
+                }
+            )
+    return issue
+
+
+def batch_details(batch_id: uuid.UUID, db: Session):
+    details = db.execute(
+        select(Voucher.date, Voucher.type, Inventory.quantity)
+        .join(Inventory.voucher)
+        .join(Voucher.journals)
+        .where(
+            Inventory.batch_id == batch_id,
+            Voucher.type.in_(
+                [
+                    VoucherType.by_name("Purchase").id,
+                    VoucherType.by_name("Purchase Return").id,
+                    VoucherType.by_name("Issue").id,
+                    VoucherType.by_name("Opening Batches").id,
+                ]
+            ),
+            Journal.cost_centre_id == CostCentre.cost_centre_purchase(),
+        )
+    ).all()
+    return [{"date": x.date, "type": VoucherType.by_id(x.type).name, "quantity": x.quantity} for x in details]
+
+
+def batch_dates(db: Session):
+    quantities = db.execute(
+        select(Batch, Voucher.date, Voucher.type)
+        .join(Batch.product)
+        .join(Batch.inventories)
+        .join(Inventory.voucher)
+        .where(Voucher.date < Batch.name)
+    ).all()
+
+    issue = []
+    for batch, date_, type_ in quantities:
+        issue.append(
+            {
+                "product": batch.product.full_name,
+                "batchDate": batch.name,
+                "voucherDate": date_,
+                "type": VoucherType.by_id(type_).name,
+            }
+        )
+    return issue

overlord/src/app/settings/integrity-batch.ts

@@ -0,0 +1,44 @@
+export class BatchDate {
+  product: string;
+  batchDate: string;
+  voucherDate: string;
+  type: string;
+
+  public constructor(init?: Partial<BatchDate>) {
+    this.product = '';
+    this.batchDate = '';
+    this.voucherDate = '';
+    this.type = '';
+    Object.assign(this, init);
+  }
+}
+
+export class BatchDetail {
+  date: string;
+  type: string;
+  quantity: number;
+
+  public constructor(init?: Partial<BatchDetail>) {
+    this.date = '';
+    this.type = '';
+    this.quantity = 0;
+    Object.assign(this, init);
+  }
+}
+
+export class IntegrityBatch {
+  product: string;
+  date: string;
+  showing: number;
+  actual: number;
+  details: BatchDetail[];
+
+  public constructor(init?: Partial<IntegrityBatch>) {
+    this.product = '';
+    this.date = '';
+    this.showing = 0;
+    this.actual = 0;
+    this.details = [];
+    Object.assign(this, init);
+  }
+}

overlord/src/app/settings/settings.component.html

@@ -303,9 +303,50 @@
   <mat-tab label="Integrity Check">
     <mat-card>
       <mat-card-content>
-        <button mat-raised-button color="warn" (click)="checkIntegrity()" fxFlex="100">
-          Integrity Check
-        </button>
+        <div
+          fxLayout="row"
+          fxLayoutAlign="space-around start"
+          fxLayout.lt-md="column"
+          fxLayoutGap="20px"
+          fxLayoutGap.lt-md="0px"
+        >
+          <button mat-raised-button color="warn" (click)="checkIntegrity()" fxFlex="100">
+            Integrity Check
+          </button>
+        </div>
+        <div
+          fxLayout="row"
+          fxLayoutAlign="space-around start"
+          fxLayout.lt-md="column"
+          fxLayoutGap="20px"
+          fxLayoutGap.lt-md="0px"
+        >
+          <ul>
+            <li *ngFor="let batch of batches">
+              Batch of {{ batch.product }} dated {{ batch.date }} is showing
+              {{ batch.showing }} instead of {{ batch.actual }}
+              <ul>
+                <li *ngFor="let detail of batch.details">
+                  {{ detail.type }} of {{ detail.quantity }} on {{ detail.date }}
+                </li>
+              </ul>
+            </li>
+          </ul>
+        </div>
+        <div
+          fxLayout="row"
+          fxLayoutAlign="space-around start"
+          fxLayout.lt-md="column"
+          fxLayoutGap="20px"
+          fxLayoutGap.lt-md="0px"
+        >
+          <ul>
+            <li *ngFor="let batch of batchDates">
+              {{ batch.type }} of {{ batch.product }} dated {{ batch.batchDate }} on
+              {{ batch.voucherDate }}
+            </li>
+          </ul>
+        </div>
       </mat-card-content>
     </mat-card>
   </mat-tab>

overlord/src/app/settings/settings.component.ts

@@ -15,6 +15,7 @@ import { ToasterService } from '../core/toaster.service';
 import { ProductService } from '../product/product.service';
 import { ConfirmDialogComponent } from '../shared/confirm-dialog/confirm-dialog.component';
 
+import { BatchDate, IntegrityBatch } from './integrity-batch';
 import { LockDataSource } from './lock-datasource';
 import { LockInfo } from './lock-info';
 import { SettingsService } from './settings.service';
@@ -44,6 +45,8 @@ export class SettingsComponent implements OnInit {
   product: Product = new Product();
   products: Observable<Product[]>;
 
+  batches: IntegrityBatch[] = [];
+  batchDates: BatchDate[] = [];
   maintenance: { enabled: boolean; user: string };
 
   displayedColumns = ['index', 'validity', 'voucherTypes', 'accountTypes', 'lock', 'action'];
@@ -290,7 +293,9 @@ export class SettingsComponent implements OnInit {
 
   checkIntegrity() {
     this.ser.checkDatabaseIntegrity().subscribe(
-      () => {
+      (x) => {
+        this.batches = x.batches;
+        this.batchDates = x.batchDates;
         this.toaster.show('Success', 'Database checked, it is fine!');
       },
       (error) => {

overlord/src/app/settings/settings.service.ts

@@ -6,6 +6,7 @@ import { catchError } from 'rxjs/operators';
 import { ErrorLoggerService } from '../core/error-logger.service';
 import { Product } from '../core/product';
 
+import { BatchDate, IntegrityBatch } from './integrity-batch';
 import { LockInfo } from './lock-info';
 
 const serviceName = 'SettingsService';
@@ -82,12 +83,21 @@ export class SettingsService {
     }>;
   }
 
-  checkDatabaseIntegrity(): Observable<{ attendanceCount: number }> {
+  checkDatabaseIntegrity(): Observable<{
+    attendanceCount: number;
+    batches: IntegrityBatch[];
+    batchDates: BatchDate[];
+  }> {
     const url = '/api/db-integrity';
     return this.http
-      .post<{ attendanceCount: number }>(url, {})
+      .post<{ attendanceCount: number; batches: IntegrityBatch[]; batchDates: BatchDate[] }>(
+        url,
+        {},
+      )
       .pipe(catchError(this.log.handleError(serviceName, 'checkDatabaseIntegrity'))) as Observable<{
       attendanceCount: number;
+      batches: IntegrityBatch[];
+      batchDates: BatchDate[];
     }>;
   }
 }