Add ability to auto-generate PK before insert

src/app/cobalt.ts

@@ -58,6 +58,7 @@ export interface ResourceConfiguration {
     key: string,
     collection: string,
     primaryKey: string,
+    generateKeyOnInsert?: () => string|number,
     display: {
         field?: string,
         singular: string,

src/app/configs/cobalt.config.ts

@@ -1,3 +1,4 @@
+import {uuid4} from '@extollo/lib'
 import {allResourceActions, FieldType, Renderer, ResourceAction, ResourceConfiguration} from '../cobalt'
 
 export default {
@@ -178,6 +179,7 @@ export default {
         {
             key: 'feedPost',
             primaryKey: 'feed_post_id',
+            generateKeyOnInsert: uuid4,
             collection: 'feed_posts',
             display: {
                 // field: '',

src/app/http/controllers/cobalt/ResourceAPI.controller.ts

@@ -83,6 +83,10 @@ export class ResourceAPI extends Controller {
             queryRow[field.key] = this.castValue(field, value)
         }
 
+        if ( config.generateKeyOnInsert ) {
+            queryRow[config.primaryKey] = config.generateKeyOnInsert()
+        }
+
         // Create insert query
         const result = await this.make<Builder>(Builder)
             .table(config.collection)