From f945d00c9b651b668c3d79a113161314852bfc8c Mon Sep 17 00:00:00 2001
From: Paul Girard <paul.girard@sciencespo.fr>
Date: Mon, 28 Aug 2017 16:47:42 +0200
Subject: [PATCH] update edilog API better answer formating relates #429

---
 server/routes/editLog.js | 62 ++++++++++++++++++++++++++++++++++++++--
 1 file changed, 60 insertions(+), 2 deletions(-)

diff --git a/server/routes/editLog.js b/server/routes/editLog.js
index 02e4fb3b..f4be8bfb 100644
--- a/server/routes/editLog.js
+++ b/server/routes/editLog.js
@@ -16,6 +16,18 @@ const debug = require('debug')('isari:export');
 
 const ObjectId = mongoose.Types.ObjectId;
 
+// UTILS
+
+function formatKind(kind){
+	if (kind === "E")
+		return "update"
+	if (kind === "D")
+		return "delete"
+	if (kind === "N")
+		return "create"
+	//by default fall back to update
+	return "update"
+}
 
 
 module.exports = Router().get('/:model/:itemId?', requiresAuthentication, getEditLog)
@@ -46,14 +58,60 @@ function getEditLog(req, res){
 		mongoQuery.item = itemId
 
 
-
 	EditLog.find(mongoQuery)
 	// skip and limit
 	.skip(query.skip ? +query.skip : 0)
 	.limit(query.limit ? +query.limit : 50).then(data => {
-		return res.status(200).send(data)
+		const edits = []
+		data.forEach(d => {
+			const edit = {}
+			edit.who = d.who
+			edit.date = d.date
+			edit.item = d.item
+			edit.action = d.action
+
+			if (edit.action === 'update'){
+				
+				edit.diff = d.diff.filter(d => d[0].path[0] !== 'latestChangeBy')
+							.map(d => {
+								d = d[0]
+								if (d.path.includes("id"))
+									return undefined
+								const diff = {path: d.path.filter(e => typeof e !== 'number')}
+
+								if (d.kind === 'A'){
+									//array case...
+									if (d.item.lhs)
+										diff.valueBefore = d.item.lhs
+									if(d.item.rhs)
+										diff.valueAfter = d.item.rhs
+									diff.editType = formatKind(d.item.kind)
+								}
+								else {
+									if (d.lhs)
+										diff.valueBefore = d.lhs
+									if( d.rhs)
+										diff.valueAfter = d.rhs
+									diff.editType = formatKind(d.kind)
+								}
+								return diff
+							}).filter(d => d)
+			}
+			else{
+				edit.diff = d.data
+			}
+
+			edits.push(edit)
+		})		
+
+
+		return res.status(200).send(edits)
 	})
 	
 
 }
 
+function formatEditLogs(editLogs){
+	
+
+}
\ No newline at end of file