Add default parameters to hook-less service methods (#182)

lib/index.js

@@ -150,7 +150,7 @@ class Service extends AdapterService {
     return q;
   }
 
-  _find (params) {
+  _find (params = {}) {
     const { filters, query, paginate } = this.filterQuery(params);
     const q = params.knex ? params.knex.clone() : this.createQuery(params);
 
@@ -204,7 +204,7 @@ class Service extends AdapterService {
     return executeQuery().then(page => page.data).catch(errorHandler);
   }
 
-  _findOrGet (id, params) {
+  _findOrGet (id, params = {}) {
     const findParams = Object.assign({}, params, {
       paginate: false,
       query: Object.assign({}, params.query)
@@ -219,7 +219,7 @@ class Service extends AdapterService {
     return this._find(findParams);
   }
 
-  _get (id, params) {
+  _get (id, params = {}) {
     return this._findOrGet(id, params).then(data => {
       if (data.length !== 1) {
         throw new errors.NotFound(`No record found for id '${id}'`);
@@ -229,7 +229,7 @@ class Service extends AdapterService {
     }).catch(errorHandler);
   }
 
-  _create (data, params) {
+  _create (data, params = {}) {
     if (Array.isArray(data)) {
       return Promise.all(data.map(current => this._create(current, params)));
     }
@@ -241,7 +241,7 @@ class Service extends AdapterService {
     }).catch(errorHandler);
   }
 
-  _patch (id, raw, params) {
+  _patch (id, raw, params = {}) {
     // Do not allow to patch the id
     const data = _.omit(raw, this.id);
     // By default we will just query for the one id. For multi patch
@@ -273,7 +273,7 @@ class Service extends AdapterService {
     }).catch(errorHandler);
   }
 
-  _update (id, data, params) {
+  _update (id, data, params = {}) {
     return this._get(id, params).then(oldData => {
       const newObject = Object.keys(oldData).reduce((result, key) => {
         if (key !== this.id) { // We don't want the id field to be changed
@@ -289,7 +289,7 @@ class Service extends AdapterService {
     }).catch(errorHandler);
   }
 
-  _remove (id, params) {
+  _remove (id, params = {}) {
     return this._findOrGet(id, params).then(items => {
       const { query } = this.filterQuery(params);
       const q = this.db(params);