Graphql Server setup (#3)

* Create README.md

* graphql server setup

* Create README.md

* graphql config

* Update server.js

* Update README.md

* Update .gitignore

* Update queries.md

* Update README.md

.gitignore

@@ -4,14 +4,17 @@ bin-release/
 [Oo]bj/
 [Bb]in/
 
+.env
 # Other files and folders
 .settings/
-server/node_modules/
+server/rest/node_modules/
+server/graphql/node_modules/
 # Executables
 *.swf
 *.air
 *.ipa
 *.apk
+*.env
 
 # Project files, i.e. `.project`, `.actionScriptProperties` and `.flexProperties`
 # should NOT be excluded as they contain compiler settings and other important

README.md

@@ -3,16 +3,26 @@
 #### QLDB'S PartiQL Interface:
 >Basic SQL Like Queries are included in ```syntax.md``` file
 
-##### Setup
+#### Setup
 >update ```.env``` file according to your QLDB Configuration
+##### REST Server Setup
+```
+cd server/rest
+npm i
+node server.js
+```
+###### CURL Sample Commands:
+>Sample CURL Commands for CRUD are included in ```server/rest/queries.md``` file
 
+##### GraphQL Server Setup
 ```
-cd server
+cd server/graphql
 npm i
 node server.js
 ```
-#### CURL Sample Commands:
->Sample CURL Commands for CRUD are included in ```server/queries.md``` file
+###### Queries and Mutation Commands(Experimentation Only):
+>Sample queries and mutations are included in ```server/graphql/README.md``` file
+
 
 ###### Special Thanks to :wave: [Lepozepo](https://github.com/Lepozepo) for making simple QLDB module used in this project
 

server/graphql/README.md

@@ -0,0 +1,75 @@
+### Amazon's QLDB With GraphQL Server Setup
+
+#### Setup
+>update ```.env``` file according to your QLDB Configuration
+```
+npm i
+node server.js //go to http://localhost:4000 for GraphQL Playground
+
+```
+##### GraphQL Playground
+<img align="center" src="https://github.com/Salmandabbakuti/qldb-essentials/blob/master/server/graphql/screen.png" width="90%">
+
+####  Queries and Mutations:
+```
+#getall
+
+query{
+ getMovies{
+   name
+   producer
+   rating
+   rank
+ }
+}
+
+#get movie by field
+
+query{
+ getMovieByField(filter:{field:"producer",value:"Gale Anne Hurd"}){
+   name
+   producer
+   rating
+   rank
+ }
+}
+
+
+#create
+
+mutation{
+  addMovie(name:"Terminator2", producer:"Gale Ann Hurd",rating:8.1, rank:44){
+  response
+  }
+}
+
+#update
+
+mutation{
+  updateMovie(filter:{field:"name",value:"Terminator2"},updatingField:"producer", updatingValue:"Gale Anne Hurd"){
+    response
+  }
+}
+
+
+#delete
+
+mutation {
+  deleteMovie(filter:{field:"name",value:"Terminator2"}){
+    response
+  }
+}
+
+# Subscriptions
+
+subscription{
+  notification{
+    event
+    data{
+    response
+    }
+  }
+}
+
+>history of document can only be queried from AWS QLDB Console itself. it involves with nested objects. so graphql query implementation seems very complex for history.
+```