Release 1.0.2

This release includes custom primary key support by checking the
model configuration dynamically.

- Added Changelog
- Added Custom Primary Key Support
- Added Validation on Stats Wrapper to verify if methods exist

CHANGELOG.md

@@ -0,0 +1,22 @@
+[![NPM](https://nodei.co/npm/loopback-stats-mixin.png?compact=true)](https://nodei.co/npm/loopback-stats-mixin/)
+
+Loopback Stats Mixin - CHANGELOG
+=============
+
+The **loopback-stats-mixin** module change .
+
+- **Version 1.0.2**.- 
+    - Added validation to verify micro-services to be wrapped actually exists.
+    - Added custom primary key support.
+- **Version 1.0.1**.- 
+    - Added Stats Mixin Wrapper 
+- **Version 1.0.0**.- 
+    - Created Stats Mixin
+    - Initial Publish
+
+For issues or contributions: https://github.com/jonathan-casarrubias/loopback-stats-mixin.
+
+
+LICENSE
+=============
+[MTI](LICENSE)

package.json

@@ -1,6 +1,6 @@
 {
   "name": "loopback-stats-mixin",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "author": "Jonathan Casarrubias <http://github.com/jonathan-casarrubias>",
   "description": "A mixin to provide statistical functionallity for Loopback Models, Relations and Nested Datasets",
   "main": "index.js",

stats.js

@@ -35,11 +35,11 @@ module.exports = function(Model, ctx) {
                     now: ctx.now,
                     nowISOString: ctx.nowISOString,
                     params: {
+                        pk: new PrimaryKeyBuilder(Model).build(),
                         id: ctx.params.id,
                         relation: ctx.params.relation
                     }
                 };
-
                 if (ctx.type === 'model') {
                     options.params.where = ctx.params.where;
                     options.params.range = ctx.params.range;
@@ -219,7 +219,8 @@ class QueryBuilder {
         query.where = this.ctx.params.where || {};
         // If stat type is relation, then we set the root id
         if ((this.ctx.type === 'relation' || this.ctx.type === 'nested') && this.ctx.params.id)
-            query.where.id = this.ctx.params.id;
+            query.where[this.ctx.params.pk] = this.ctx.params.id;
+        // query.where[this.ctx.Model.settings.relations[this.ctx.params.relation].] = this.ctx.params.id;
         // If stat type is relation, then we set the root id
         if (this.ctx.type === 'relation' && this.ctx.params.relation)
             query.include = this.ctx.params.relation;
@@ -292,3 +293,16 @@ class AcceptBuilder {
         return accepts;
     }
 }
+/**
+ * Builds the primary key name depending on model configurations
+ */
+class PrimaryKeyBuilder {
+    constructor(Model) { this.Model = Model; }
+    build() {
+        let pk = 'id';
+        if (!this.Model.settings.idInjection)
+        for (let key in this.Model.rawProperties)
+        if (this.Model.rawProperties[key].id) pk = key;
+        return pk;
+    }
+}

stats_wrapper.js

@@ -22,7 +22,11 @@ module.exports = function(Model, ctx) {
                 ctx.result[item] = dataset;
                 next();
             };
-            Model[item].apply(Model, Array.from(ctx.args));
+            if (Model[item]) {
+                Model[item].apply(Model, Array.from(ctx.args));
+            } else {
+                next(new Error(Model.definition.name + '.' + item + ' does not exist, verify your configuration.'));
+            }
         }, err => ctx.next(err, ctx.result));
     };
     /**