feat: Inventory item details report.

feat: Cash flow statement report.

server/src/models/AccountTransaction.js

@@ -1,4 +1,4 @@
-import { Model } from 'objection';
+import { Model, raw } from 'objection';
 import moment from 'moment';
 import TenantModel from 'models/TenantModel';
 
@@ -138,6 +138,21 @@ export default class AccountTransaction extends TenantModel {
         query.sum('credit as credit');
         query.sum('debit as debit');
         query.select('contactId');
+      },
+      creditDebitSummation(query) {
+        query.sum('credit as credit');
+        query.sum('debit as debit');
+      },
+      groupByDateFormat(query, groupType = 'month') {
+        const groupBy = {
+          'day': '%Y-%m-%d',
+          'month': '%Y-%m',
+          'year': '%Y',
+        };
+        const dateFormat = groupBy[groupType];
+
+        query.select(raw(`DATE_FORMAT(DATE, '${dateFormat}')`).as('date'));
+        query.groupByRaw(`DATE_FORMAT(DATE, '${dateFormat}')`);
       }
     };
   }

server/src/models/InventoryTransaction.js

@@ -17,6 +17,33 @@ export default class InventoryTransaction extends TenantModel {
     return ['createdAt', 'updatedAt'];
   }
 
+  /**
+   * Retrieve formatted reference type.
+   * @return {string}
+   */
+   get transcationTypeFormatted() {
+    return InventoryTransaction.getReferenceTypeFormatted(this.transactionType);
+  }
+
+  /**
+   * Reference type formatted.
+   */
+   static getReferenceTypeFormatted(referenceType) {
+    const mapped = {
+      'SaleInvoice': 'Sale invoice',
+      'SaleReceipt': 'Sale receipt',
+      'PaymentReceive': 'Payment receive',
+      'Bill': 'Bill',
+      'BillPayment': 'Payment made',
+      'VendorOpeningBalance': 'Vendor opening balance',
+      'CustomerOpeningBalance': 'Customer opening balance',
+      'InventoryAdjustment': 'Inventory adjustment',
+      'ManualJournal': 'Manual journal',
+      'Journal': 'Manual journal',
+    };
+    return mapped[referenceType] || '';
+  }
+
   /**
    * Model modifiers.
    */
@@ -59,8 +86,47 @@ export default class InventoryTransaction extends TenantModel {
   static get relationMappings() {
     const Item = require('models/Item');
     const ItemEntry = require('models/ItemEntry');
+    const InventoryTransactionMeta = require('models/InventoryTransactionMeta');
+    const InventoryCostLots = require('models/InventoryCostLotTracker');
 
     return {
+      // Transaction meta.
+      meta: {
+        relation: Model.HasOneRelation,
+        modelClass: InventoryTransactionMeta.default,
+        join: {
+          from: 'inventory_transactions.id',
+          to: 'inventory_transaction_meta.inventoryTransactionId',
+        },
+      },
+      // Item cost aggregated.
+      itemCostAggregated: {
+        relation: Model.HasOneRelation,
+        modelClass: InventoryCostLots.default,
+        join: {
+          from: 'inventory_transactions.itemId',
+          to: 'inventory_cost_lot_tracker.itemId',
+        },
+        filter(query) {
+          query.select('itemId');
+          query.sum('cost as cost');
+          query.sum('quantity as quantity');
+          query.groupBy('itemId');
+        },
+      },
+      costLotAggregated: {
+        relation: Model.HasOneRelation,
+        modelClass: InventoryCostLots.default,
+        join: {
+          from: 'inventory_transactions.id',
+          to: 'inventory_cost_lot_tracker.inventoryTransactionId',
+        },
+        filter(query) {
+          query.sum('cost as cost');
+          query.sum('quantity as quantity');
+          query.groupBy('inventoryTransactionId');
+        }
+      },
       item: {
         relation: Model.BelongsToOneRelation,
         modelClass: Item.default,

server/src/models/InventoryTransactionMeta.js

@@ -0,0 +1,29 @@
+import { Model, raw } from 'objection';
+import TenantModel from 'models/TenantModel';
+
+export default class InventoryTransactionMeta extends TenantModel {
+  /**
+   * Table name
+   */
+  static get tableName() {
+    return 'inventory_transaction_meta';
+  }
+
+  /**
+   * Relationship mapping.
+   */
+  static get relationMappings() {
+    const InventoryTransactions = require('models/InventoryTransaction');
+
+    return {
+      inventoryTransaction: {
+        relation: Model.BelongsToOneRelation,
+        modelClass: InventoryTransactions.default,
+        join: {
+          from: 'inventory_transaction_meta.inventoryTransactionId',
+          to: 'inventory_transactions.inventoryTransactionId'
+        }
+      }
+    };
+  }
+}