From 19ceb48c3705094f29492d42c46ced7164b4d994 Mon Sep 17 00:00:00 2001
From: robin <binkrassdufass@gmail.com>
Date: Sun, 5 Nov 2023 09:43:55 +0000
Subject: [PATCH] fix

---
 api/hooks/backups/post_create.js | 92 ++++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 api/hooks/backups/post_create.js

diff --git a/api/hooks/backups/post_create.js b/api/hooks/backups/post_create.js
new file mode 100644
index 0000000..8d5e9cd
--- /dev/null
+++ b/api/hooks/backups/post_create.js
@@ -0,0 +1,92 @@
+;(function () {
+    let backup = context.data
+    const updateLogs = compareAndUpdateEntry(backup?.entry, backup?.collectionName, backup?.versionNr - 1)
+    backup.updateLogs = updateLogs
+    return { data: backup }
+
+    function compareAndUpdateEntry(entry, collectionName, versionNr) {
+        let updateLogs
+        if (versionNr == 0) {
+            updateLogs = getUpdateLogs({}, entry)
+        }
+        delete entry.updateTime
+        let previousEntry = context.db.find("backups", {
+            filter: { entryId: context.data.entryId, versionNr, collectionName },
+        })[0]
+        if (!previousEntry) {
+            console.error("No previous entry found")
+            updateLogs = getUpdateLogs({}, entry)
+        } else {
+            delete previousEntry.updateTime
+            updateLogs = getUpdateLogs(previousEntry.entry, entry)
+        }
+        console.log(context.json.stringify(previousEntry?.entry), context.json.stringify(entry))
+
+        return updateLogs
+    }
+
+    function filterValidObjects(array) {
+        return array.filter((object) => {
+            for (let key in object) {
+                if (typeof object[key] !== "string" && object[key] !== null) {
+                    return false
+                }
+            }
+            return true
+        })
+    }
+    function getUpdateLogs(oldObj = {}, newObj = {}, path = "") {
+        let updateLogs = []
+        const ignoredKeys = ["id", "insertTime", "updateTime"]
+        const allKeys = new Set([...Object.keys(oldObj), ...Object.keys(newObj)])
+
+        allKeys.forEach((key) => {
+            if (ignoredKeys.includes(key)) return
+
+            const newPath = path ? `${path}.${key}` : key
+            const oldVal = oldObj.hasOwnProperty(key) ? oldObj[key] : ""
+            const newVal = newObj.hasOwnProperty(key) ? newObj[key] : ""
+
+            // Handle Arrays
+            if (Array.isArray(oldVal) || Array.isArray(newVal)) {
+                const oldArr = oldVal || []
+                const newArr = newVal || []
+
+                for (let i = 0; i < Math.max(oldArr.length, newArr.length); i++) {
+                    const itemPath = `${newPath}[${i}]`
+
+                    if (oldArr[i] !== newArr[i]) {
+                        if (typeof oldArr[i] === "object" || typeof newArr[i] === "object") {
+                            const arrUpdates = getUpdateLogs(oldArr[i], newArr[i], itemPath)
+                            updateLogs = updateLogs.concat(arrUpdates)
+                        } else {
+                            updateLogs.push({
+                                field: itemPath,
+                                previous: oldArr[i] === undefined ? "" : oldArr[i].toString(),
+                                current: newArr[i] === undefined ? "" : newArr[i].toString(),
+                            })
+                        }
+                    }
+                }
+            }
+            // Handle nested objects but not arrays
+            else if (
+                (typeof oldVal === "object" && oldVal !== null) ||
+                (typeof newVal === "object" && newVal !== null)
+            ) {
+                const nestedUpdates = getUpdateLogs(oldVal || {}, newVal || {}, newPath)
+                updateLogs = updateLogs.concat(nestedUpdates)
+            }
+            // Handle primitive types
+            else if (oldVal !== newVal) {
+                updateLogs.push({
+                    field: newPath,
+                    previous: oldVal.toString(),
+                    current: newVal.toString(),
+                })
+            }
+        })
+
+        return filterValidObjects(updateLogs)
+    }
+})()