incr: complete stock ledger

fyo/utils/format.ts

@@ -33,7 +33,7 @@ export function format(
   }
 
   if (field.fieldtype === FieldTypeEnum.Datetime) {
-    return formatDate(value, fyo);
+    return formatDatetime(value, fyo);
   }
 
   if (field.fieldtype === FieldTypeEnum.Check) {
@@ -47,18 +47,33 @@ export function format(
   return String(value);
 }
 
+function toDatetime(value: DocValue) {
+  if (typeof value === 'string') {
+    return DateTime.fromISO(value);
+  } else if (value instanceof Date) {
+    return DateTime.fromJSDate(value);
+  } else {
+    return DateTime.fromSeconds(value as number);
+  }
+}
+
+function formatDatetime(value: DocValue, fyo: Fyo): string {
+  const dateFormat =
+    (fyo.singles.SystemSettings?.dateFormat as string) ?? DEFAULT_DATE_FORMAT;
+  const formattedDatetime = toDatetime(value).toFormat(`${dateFormat} HH:mm:ss`);
+
+  if (value === 'Invalid DateTime') {
+    return '';
+  }
+
+  return formattedDatetime;
+}
+
 function formatDate(value: DocValue, fyo: Fyo): string {
   const dateFormat =
     (fyo.singles.SystemSettings?.dateFormat as string) ?? DEFAULT_DATE_FORMAT;
 
-  let dateValue: DateTime;
-  if (typeof value === 'string') {
-    dateValue = DateTime.fromISO(value);
-  } else if (value instanceof Date) {
-    dateValue = DateTime.fromJSDate(value);
-  } else {
-    dateValue = DateTime.fromSeconds(value as number);
-  }
+  const dateValue: DateTime = toDatetime(value);
 
   const formattedDate = dateValue.toFormat(dateFormat);
   if (value === 'Invalid DateTime') {

reports/inventory/StockLedger.ts

@@ -1,72 +1,335 @@
-import { t } from 'fyo';
-import { RawValueMap } from 'fyo/core/types';
+import { Fyo, t } from 'fyo';
 import { Action } from 'fyo/model/types';
+import { cloneDeep } from 'lodash';
+import { DateTime } from 'luxon';
 import { ModelNameEnum } from 'models/types';
 import getCommonExportActions from 'reports/commonExporter';
 import { Report } from 'reports/Report';
 import { ColumnField, ReportCell, ReportData, ReportRow } from 'reports/types';
-import { Field, RawValue } from 'schemas/types';
+import { Field } from 'schemas/types';
 import { isNumeric } from 'src/utils';
+import { getRawStockLedgerEntries, getStockLedgerEntries } from './helpers';
+import { ComputedStockLedgerEntry } from './types';
 
 export class StockLedger extends Report {
   static title = t`Stock Ledger`;
   static reportName = 'stock-ledger';
+  usePagination: boolean = true;
 
+  _rawData?: ComputedStockLedgerEntry[];
   loading: boolean = false;
+  shouldRefresh: boolean = false;
+
+  item?: string;
+  location?: string;
+  fromDate?: string;
+  toDate?: string;
+  ascending?: boolean;
+  groupBy: 'none' | 'item' | 'location' = 'none';
+
+  constructor(fyo: Fyo) {
+    super(fyo);
+    this._setObservers();
+  }
+
+  async setDefaultFilters() {
+    if (!this.toDate) {
+      this.toDate = DateTime.now().plus({ days: 1 }).toISODate();
+      this.fromDate = DateTime.now().minus({ years: 1 }).toISODate();
+    }
+  }
+
   async setReportData(
     filter?: string | undefined,
     force?: boolean | undefined
   ): Promise<void> {
     this.loading = true;
-    this.reportData = await this._getReportData();
+    this.reportData = await this._getReportData(force);
     this.loading = false;
   }
 
-  async _getReportData(): Promise<ReportData> {
-    const columns = this.getColumns();
-    const fieldnames = columns.map(({ fieldname }) => fieldname);
-    const rawData = await this.fyo.db.getAllRaw(
-      ModelNameEnum.StockLedgerEntry,
-      {
-        fields: fieldnames,
-      }
-    );
-
-    return this.convertRawDataToReportData(rawData, columns);
+  async _getReportData(force?: boolean): Promise<ReportData> {
+    if (this.shouldRefresh || force || !this._rawData?.length) {
+      await this._setRawData();
     }
 
-  convertRawDataToReportData(
-    rawData: RawValueMap[],
-    fields: Field[]
-  ): ReportData {
-    const reportData: ReportData = [];
+    const rawData = cloneDeep(this._rawData);
+    if (!rawData) {
+      return [];
+    }
+
+    const filtered = this._getFilteredRawData(rawData);
+    const grouped = this._getGroupedRawData(filtered);
+
+    return grouped.map((row) => this._convertRawDataRowToReportRow(row));
+  }
+
+  async _setRawData() {
+    const rawSLEs = await getRawStockLedgerEntries(this.fyo);
+    this._rawData = getStockLedgerEntries(rawSLEs);
+  }
+
+  _getFilteredRawData(rawData: ComputedStockLedgerEntry[]) {
+    const filteredRawData: ComputedStockLedgerEntry[] = [];
+    if (!rawData.length) {
+      return [];
+    }
+
+    const fromDate = this.fromDate ? new Date(this.fromDate) : null;
+    const toDate = this.toDate ? new Date(this.toDate) : null;
+
+    if (!this.ascending) {
+      rawData.reverse();
+    }
+
+    let i = 0;
+    for (const idx in rawData) {
+      const row = rawData[idx];
+      if (this.item && row.item !== this.item) {
+        continue;
+      }
+
+      if (this.location && row.location !== this.location) {
+        continue;
+      }
+
+      if (toDate && row.date > toDate) {
+        console.log('here');
+        continue;
+      }
+
+      if (fromDate && row.date < fromDate) {
+        console.log('here');
+        continue;
+      }
+
+      row.name = ++i;
+      filteredRawData.push(row);
+    }
+
+    return filteredRawData;
+  }
+
+  _getGroupedRawData(rawData: ComputedStockLedgerEntry[]) {
+    const groupBy = this.groupBy;
+    if (groupBy === 'none') {
+      return rawData;
+    }
+
+    const groups: Map<string, ComputedStockLedgerEntry[]> = new Map();
     for (const row of rawData) {
-      reportData.push(this.convertRawDataRowToReportRow(row, fields));
-    }
-    return reportData;
+      const key = row[groupBy];
+      if (!groups.has(key)) {
+        groups.set(key, []);
       }
 
-  convertRawDataRowToReportRow(row: RawValueMap, fields: Field[]): ReportRow {
+      groups.get(key)?.push(row);
+    }
+
+    const groupedRawData: (ComputedStockLedgerEntry | { name: null })[] = [];
+    let i = 0;
+    for (const key of groups.keys()) {
+      for (const row of groups.get(key) ?? []) {
+        row.name = ++i;
+        groupedRawData.push(row);
+      }
+
+      groupedRawData.push({ name: null });
+    }
+
+    if (groupedRawData.at(-1)?.name === null) {
+      groupedRawData.pop();
+    }
+
+    return groupedRawData;
+  }
+
+  _convertRawDataRowToReportRow(
+    row: ComputedStockLedgerEntry | { name: null }
+  ): ReportRow {
     const cells: ReportCell[] = [];
-    for (const { fieldname, fieldtype } of fields) {
-      const rawValue = row[fieldname] as RawValue;
+    const columns = this.getColumns();
+
+    if (row.name === null) {
+      return {
+        isEmpty: true,
+        cells: columns.map((c) => ({
+          rawValue: '',
+          value: '',
+          width: c.width ?? 1,
+        })),
+      };
+    }
+
+    for (const col of columns) {
+      const fieldname = col.fieldname as keyof ComputedStockLedgerEntry;
+      const fieldtype = col.fieldtype;
+
+      const rawValue = row[fieldname];
       const value = this.fyo.format(rawValue, fieldtype);
       const align = isNumeric(fieldtype) ? 'right' : 'left';
+      const isColoured =
+        fieldname === 'quantity' || fieldname === 'valueChange';
 
-      cells.push({ rawValue, value, align });
+      let color: 'red' | 'green' | undefined = undefined;
+      if (isColoured && rawValue > 0) {
+        color = 'green';
+      } else if (isColoured && rawValue < 0) {
+        color = 'red';
+      }
+
+      cells.push({ rawValue, value, align, color, width: col.width });
     }
 
     return { cells };
   }
 
-  getColumns(): ColumnField[] {
-    return (
-      this.fyo.schemaMap[ModelNameEnum.StockLedgerEntry]?.fields ?? []
-    ).filter((f) => !f.meta);
+  _setObservers() {
+    const listener = () => (this.shouldRefresh = true);
+
+    this.fyo.doc.observer.on(
+      `sync:${ModelNameEnum.StockLedgerEntry}`,
+      listener
+    );
+
+    this.fyo.doc.observer.on(
+      `delete:${ModelNameEnum.StockLedgerEntry}`,
+      listener
+    );
   }
 
-  getFilters(): Field[] | Promise<Field[]> {
-    return [];
+  getColumns(): ColumnField[] {
+    return [
+      {
+        fieldname: 'name',
+        label: '#',
+        fieldtype: 'Int',
+        width: 0.5,
+      },
+      {
+        fieldname: 'date',
+        label: 'Date',
+        fieldtype: 'Datetime',
+        width: 1.25,
+      },
+      {
+        fieldname: 'item',
+        label: 'Item',
+        fieldtype: 'Link',
+      },
+      {
+        fieldname: 'location',
+        label: 'Location',
+        fieldtype: 'Link',
+      },
+      {
+        fieldname: 'quantity',
+        label: 'Quantity',
+        fieldtype: 'Float',
+      },
+      {
+        fieldname: 'balanceQuantity',
+        label: 'Balance Qty.',
+        fieldtype: 'Float',
+      },
+      {
+        fieldname: 'incomingRate',
+        label: 'Incoming rate',
+        fieldtype: 'Currency',
+      },
+      {
+        fieldname: 'valuationRate',
+        label: 'Valuation rate',
+        fieldtype: 'Currency',
+      },
+      {
+        fieldname: 'balanceValue',
+        label: 'Balance Value',
+        fieldtype: 'Currency',
+      },
+      {
+        fieldname: 'valueChange',
+        label: 'Value Change',
+        fieldtype: 'Currency',
+      },
+      {
+        fieldname: 'referenceName',
+        label: 'Ref. Name',
+        fieldtype: 'DynamicLink',
+      },
+      {
+        fieldname: 'referenceType',
+        label: 'Ref. Type',
+        fieldtype: 'Data',
+      },
+    ];
+  }
+
+  getFilters(): Field[] {
+    return [
+      /*
+      {
+        fieldtype: 'Select',
+        options: [
+          { label: t`All`, value: 'All' },
+          { label: t`Stock Movements`, value: 'StockMovement' },
+        ],
+
+        label: t`Ref Type`,
+        fieldname: 'referenceType',
+        placeholder: t`Ref Type`,
+      },
+      {
+        fieldtype: 'DynamicLink',
+        label: t`Ref Name`,
+        references: 'referenceType',
+        placeholder: t`Ref Name`,
+        emptyMessage: t`Change Ref Type`,
+        fieldname: 'referenceName',
+      },
+      */
+      {
+        fieldtype: 'Link',
+        target: 'Item',
+        placeholder: t`Item`,
+        label: t`Item`,
+        fieldname: 'item',
+      },
+      {
+        fieldtype: 'Link',
+        target: 'Location',
+        placeholder: t`Location`,
+        label: t`Location`,
+        fieldname: 'location',
+      },
+      {
+        fieldtype: 'Date',
+        placeholder: t`From Date`,
+        label: t`From Date`,
+        fieldname: 'fromDate',
+      },
+      {
+        fieldtype: 'Date',
+        placeholder: t`To Date`,
+        label: t`To Date`,
+        fieldname: 'toDate',
+      },
+      {
+        fieldtype: 'Select',
+        label: t`Group By`,
+        fieldname: 'groupBy',
+        options: [
+          { label: t`None`, value: 'none' },
+          { label: t`Item`, value: 'item' },
+          { label: t`Location`, value: 'location' },
+        ],
+      },
+      {
+        fieldtype: 'Check',
+        label: t`Ascending Order`,
+        fieldname: 'ascending',
+      },
+    ] as Field[];
   }
 
   getActions(): Action[] {

reports/inventory/helpers.ts

@@ -0,0 +1,91 @@
+import { Fyo } from 'fyo';
+import { StockQueue } from 'models/inventory/stockQueue';
+import { ModelNameEnum } from 'models/types';
+import { safeParseFloat, safeParseInt } from 'utils/index';
+import { ComputedStockLedgerEntry, RawStockLedgerEntry } from './types';
+
+export async function getRawStockLedgerEntries(fyo: Fyo) {
+  const fieldnames = [
+    'name',
+    'date',
+    'item',
+    'rate',
+    'quantity',
+    'location',
+    'referenceName',
+    'referenceType',
+  ];
+
+  return (await fyo.db.getAllRaw(ModelNameEnum.StockLedgerEntry, {
+    fields: fieldnames,
+    orderBy: 'date',
+    order: 'asc',
+  })) as RawStockLedgerEntry[];
+}
+
+export function getStockLedgerEntries(
+  rawSLEs: RawStockLedgerEntry[]
+): ComputedStockLedgerEntry[] {
+  type Item = string;
+  type Location = string;
+
+  const computedSLEs: ComputedStockLedgerEntry[] = [];
+  const stockQueues: Record<Item, Record<Location, StockQueue>> = {};
+
+  for (const sle of rawSLEs) {
+    const name = safeParseInt(sle.name);
+    const date = new Date(sle.date);
+    const rate = safeParseFloat(sle.rate);
+    const { item, location, quantity, referenceName, referenceType } = sle;
+
+    if (quantity === 0) {
+      continue;
+    }
+
+    stockQueues[item] ??= {};
+    stockQueues[item][location] ??= new StockQueue();
+
+    const q = stockQueues[item][location];
+    const initialValue = q.value;
+
+    let incomingRate: number | null;
+    if (quantity > 0) {
+      incomingRate = q.inward(rate, quantity);
+    } else {
+      incomingRate = q.outward(-quantity);
+    }
+
+    if (incomingRate === null) {
+      continue;
+    }
+
+    const balanceQuantity = q.quantity;
+    const valuationRate = q.fifo;
+    const balanceValue = q.value;
+    const valueChange = balanceValue - initialValue;
+
+    const csle: ComputedStockLedgerEntry = {
+      name,
+      date,
+
+      item,
+      location,
+
+      quantity,
+      balanceQuantity,
+
+      incomingRate,
+      valuationRate,
+
+      balanceValue,
+      valueChange,
+
+      referenceName,
+      referenceType,
+    };
+
+    computedSLEs.push(csle);
+  }
+
+  return computedSLEs;
+}

reports/inventory/types.ts

@@ -0,0 +1,33 @@
+
+export interface RawStockLedgerEntry {
+  name: string;
+  date: string;
+  item: string;
+  rate: string;
+  quantity: number;
+  location: string;
+  referenceName: string;
+  referenceType: string;
+  [key: string]: unknown;
+}
+
+
+export interface ComputedStockLedgerEntry{
+  name: number;
+  date: Date;
+
+  item: string;
+  location:string;
+
+  quantity: number;
+  balanceQuantity: number;
+
+  incomingRate: number;
+  valuationRate:number;
+
+  balanceValue:number;
+  valueChange:number;
+  
+  referenceName: string;
+  referenceType: string;
+}