refactoring: bills service.

refactoring: bills payments made service.

server/src/repositories/AccountTypeRepository.ts

@@ -70,13 +70,24 @@ export default class AccountTypeRepository extends TenantRepository {
    * @param {string} rootType 
    * @return {IAccountType[]}
    */
-  getByRootType(rootType: string): IAccountType[] {
+  getByRootType(rootType: string): Promise<IAccountType[]> {
     const { AccountType } = this.models;
     return this.cache.get(`accountType.rootType.${rootType}`, () => {
       return AccountType.query().where('root_type', rootType);
     });
   }
 
+  /**
+   * Retrieve accounts types of the given child type.
+   * @param {string} childType 
+   */
+  getByChildType(childType: string): Promise<IAccountType[]> {
+    const { AccountType } = this.models;
+    return this.cache.get(`accountType.childType.${childType}`, () => {
+      return AccountType.query().where('child_type', childType);
+    });
+  }
+
   /**
    * Flush repository cache.
    */

server/src/repositories/ContactRepository.ts

@@ -1,6 +1,5 @@
 import TenantRepository from 'repositories/TenantRepository';
 import { IContact } from 'interfaces';
-import Contact from 'models/Contact';
 
 export default class ContactRepository extends TenantRepository {
   cache: any;
@@ -45,9 +44,11 @@ export default class ContactRepository extends TenantRepository {
    * Inserts a new contact model.
    * @param contact 
    */
-  async insert(contact) {
-    await Contact.query().insert({ ...contact })
+  async insert(contactInput: IContact) {
+    const { Contact } = this.models;
+    const contact = await Contact.query().insert({ ...contactInput })
     this.flushCache();
+    return contact;
   }
 
   /**
@@ -56,6 +57,7 @@ export default class ContactRepository extends TenantRepository {
    * @param {IContact} contact - Contact input.
    */
   async update(contactId: number, contact: IContact) {
+    const { Contact } = this.models;
     await Contact.query().findById(contactId).patch({ ...contact });
     this.flushCache();
   }
@@ -66,6 +68,7 @@ export default class ContactRepository extends TenantRepository {
    * @return {Promise<void>}
    */
   async deleteById(contactId: number): Promise<void> {
+    const { Contact } = this.models;
     await Contact.query().where('id', contactId).delete();
     this.flushCache();
   }
@@ -75,6 +78,7 @@ export default class ContactRepository extends TenantRepository {
    * @param {number[]} contactsIds 
    */
   async bulkDelete(contactsIds: number[]) {
+    const { Contact } = this.models;
     await Contact.query().whereIn('id', contactsIds);
     this.flushCache();
   }

server/src/repositories/VendorRepository.ts

@@ -17,6 +17,15 @@ export default class VendorRepository extends TenantRepository {
     this.cache = this.tenancy.cache(tenantId);
   }
 
+  /**
+   * Retrieve vendor details of the given id.
+   * @param {number} vendorId - Vendor id.
+   */
+  findById(vendorId: number) {
+    const { Contact } = this.models;
+    return Contact.query().findById(vendorId);
+  }
+
   /**
    * Retrieve the bill that associated to the given vendor id.
    * @param {number} vendorId - Vendor id.
@@ -49,4 +58,23 @@ export default class VendorRepository extends TenantRepository {
       .whereIn('id', vendorIds)
       .withGraphFetched('bills');
   }
+
+  changeBalance(vendorId: number, amount: number) {
+    const { Contact } = this.models;
+    const changeMethod = (amount > 0) ? 'increment' : 'decrement';
+
+    return Contact.query()
+      .where('id', vendorId)
+      [changeMethod]('balance', Math.abs(amount));
+  }
+
+
+  changeDiffBalance(
+    vendorId: number,
+    amount: number,
+    oldAmount: number,
+    oldVendorId?: number,
+  ) {
+
+  }
 }