From 52e493e3bb6c5c6e89d8d809b39ffc4b186c75e3 Mon Sep 17 00:00:00 2001
From: LionelB <lionel@lumographe.fr>
Date: Mon, 23 Nov 2020 13:32:59 +0100
Subject: [PATCH] fix: send diff payload

---
 targets/alert-cli/package.json                |  1 +
 .../alert-cli/src/exportContributionAlerts.js | 33 ++++++++++++++++++-
 targets/alert-cli/src/index.d.ts              |  4 +++
 3 files changed, 37 insertions(+), 1 deletion(-)

diff --git a/targets/alert-cli/package.json b/targets/alert-cli/package.json
index dd2edf097..30322e1c5 100644
--- a/targets/alert-cli/package.json
+++ b/targets/alert-cli/package.json
@@ -5,6 +5,7 @@
     "@shared/graphql-client": "1.0.0",
     "@socialgouv/cdtn-slugify": "^4.35.0",
     "@socialgouv/cdtn-sources": "^4.35.0",
+    "@types/node-fetch": "^2.5.7",
     "node-fetch": "^2.6.1",
     "nodegit": "0.27.0",
     "semver": "^7.3.2",
diff --git a/targets/alert-cli/src/exportContributionAlerts.js b/targets/alert-cli/src/exportContributionAlerts.js
index 9a630cfff..957759f1e 100644
--- a/targets/alert-cli/src/exportContributionAlerts.js
+++ b/targets/alert-cli/src/exportContributionAlerts.js
@@ -24,7 +24,9 @@ export async function exportContributionAlerts(changes) {
         answer_id: contrib.id,
         cid: reference.dila_cid,
         id: reference.dila_id,
-        value: nodes.find((node) => node.data.cid === reference.dila_cid),
+        value: computeDiff(
+          nodes.find((node) => node.data.cid === reference.dila_cid)
+        ),
         version: alert.ref,
       }));
     });
@@ -37,3 +39,32 @@ export async function exportContributionAlerts(changes) {
     method: "POST",
   });
 }
+
+/**
+ *
+ * @param {alerts.DilaNodeForDiff} node
+ */
+function computeDiff(node) {
+  const textFieldname =
+    node.context.containerId === "LEGITEXT000006072050" ? "texte" : "content";
+  const content = node.data[textFieldname] || "";
+  const previousContent = node.previous?.data[textFieldname] || "";
+  const showDiff = content !== previousContent;
+  const showNotaDiff = node.previous.data.nota !== node.data.nota;
+  const texts = [];
+  if (showDiff) {
+    texts.push({ current: content, previous: previousContent });
+  }
+
+  if (showNotaDiff) {
+    texts.push({
+      current: node.data.nota,
+      previous: node.previous.data.nota,
+    });
+  }
+
+  return {
+    etat: { current: node.data.etat, previous: node.previous.data.etat },
+    texts,
+  };
+}
diff --git a/targets/alert-cli/src/index.d.ts b/targets/alert-cli/src/index.d.ts
index 420e1fa07..1e589bacf 100644
--- a/targets/alert-cli/src/index.d.ts
+++ b/targets/alert-cli/src/index.d.ts
@@ -120,6 +120,10 @@ type DilaNodeWithContext = DilaNode & {
   }
 }
 
+type DilaNodeForDiff = DilaNodeWithContext & {
+  previous: DilaNodeWithContext
+}
+
 type FicheVddIndex = {
   id: string
   date: string