adding get csv api

Author: KittyJose

lib/const.js

@@ -35,5 +35,6 @@ module.exports = Object.freeze({
     RESET: 'reset',
     BRANCH: 'branch',
     ADD_CSV: 'add_csv',
-    GET_CSV: 'get_csv'
+    GET_CSV: 'get_csv',
+    UPDATE_CSV: 'update_csv'
 })

lib/dispatchRequest.js

@@ -73,6 +73,7 @@ function DispatchRequest(url, action, payload, local_auth, remote_auth = null) {
         case CONST.READ_DATABASE:
         case CONST.READ_ORGANIZATION:
         case CONST.CONNECT:
+        case CONST.GET_CSV:
         case CONST.CLASS_FRAME:
             if (payload) {
                 const ext = UTILS.URIEncodePayload(payload)

lib/woqlClient.js

@@ -413,12 +413,29 @@ WOQLClient.prototype.addCSV = function(gtype, gid, csv, commit_msg) {
         formData.append('payload', JSON.stringify(commit))
         return this.dispatch(
             CONST.ADD_CSV,
-            this.connectionConfig.csvURL(),
+            this.connectionConfig.csvURL(gtype, gid),
             formData,
         )
     }
 }
 
+
+/**
+ * gets loaded csv
+ *
+ * @param {string} gtype Type of graph (instance|schema|inference)
+ * schema get the database schema in owl
+ * instance get all the database documents data in owl format
+ * inference get all the constraints schema in owl
+ *
+ * @return {Promise}
+ *
+ */
+WOQLClient.prototype.getCSV = function(gtype, gid) {
+    return this.dispatch(CONST.GET_CSV, this.connectionConfig.csvURL(gtype, gid))
+}
+
+
 /**
  * Executes a WOQL query on the specified database and returns the results
  *