add docs

Author: keggyy

RawCMS.sln

@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio Version 16
-VisualStudioVersion = 16.0.29806.167
+# Visual Studio 15
+VisualStudioVersion = 15.0.28307.1000
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "RawCMS", "RawCMS\RawCMS.csproj", "{0173DCCE-34BA-4988-BA6C-07880C3F71A0}"
 EndProject
@@ -50,6 +50,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "assets", "assets", "{5257BA
 	ProjectSection(SolutionItems) = preProject
 		docs\assets\auth0-new-api.png = docs\assets\auth0-new-api.png
 		docs\assets\auth0-new-application.png = docs\assets\auth0-new-application.png
+		docs\assets\jsLambdas.png = docs\assets\jsLambdas.png
 	EndProjectSection
 EndProject
 Global

docs/Data-process-Lambda.md

@@ -1,21 +1,24 @@
 Data processing Lambdas are used to alter regular save behaviour. Using such lambdas you can:
-* compute some value
-* add some validation step
-* add per-user filters
-* hide fields
-* everithing else you need
+
+- compute some value
+- add some validation step
+- add per-user filters
+- hide fields
+- everithing else you need
 
 ### Data saving pipeline
+
 Data is saved using a save pipeline. Current implemented stages are:
 
 1. Pre-Save
 2. Post-Save
 
 ### DataProcessLambda
+
 Implementing a DataProcessLambda will let you choose in which phases you want to be triggered. Multiple phases can be binded as in example
 
 ```cs
- public class AuditLambda : DataProcessLambda 
+ public class AuditLambda : DataProcessLambda
     {
         public override string Name => "LogLambda";
         public override string Description => "Log all";
@@ -28,11 +31,12 @@ Implementing a DataProcessLambda will let you choose in which phases you want to
 ```
 
 ### PostSaveLambda, PreaveLambda
+
 This class is shortcut to bind presave or postsave event
 
 Audit Lambda is a sample. It is triggered on before saving data and it set audit details.
 
-```cs 
+```cs
  public class AuditLambda : PreSaveLambda
     {
         public override string Name => "AuditLambda";
@@ -52,3 +56,27 @@ Audit Lambda is a sample. It is triggered on before saving data and it set audit
     }
 ```
 
+### Javascript Lambdas
+
+For entities is possible define custom lambdas writed on javascript language on this events:
+
+- PreSave
+- PostSave
+- PreDelete
+- PostDelete
+
+![JS Lambdas](assets/jslambdas.png)
+
+this is an example of javascript code for calculate preview book using ISBN code
+
+```js
+var client = new RAWCMSRestClient();
+var request = new RAWCMSRestClientRequest();
+var bibkey = "ISBN:" + item.ISBN13;
+request.Url = "https://openlibrary.org/api/books?format=JSON&bibkeys=" + bibkey;
+request.Method = "GET";
+var response = client.Execute(request);
+var data = JSON.parse(response.Data);
+//set result propoerty
+item.PreviewUrl = data[bibkey].preview_url;
+```