Logbuch Überarbeitung

backend/src/routes/resources/main.ts

@@ -12,6 +12,8 @@ import {
 
 import { resourceConfig } from "../../utils/resource.config";
 import { useNextNumberRangeNumber } from "../../utils/functions";
+import { insertHistoryItem } from "../../utils/history";
+import { diffObjects } from "../../utils/diff";
 import { recalculateServicePricesForTenant } from "../../modules/service-price-recalculation.service";
 
 // -------------------------------------------------------------
@@ -31,6 +33,42 @@ function buildSearchCondition(columns: any[], search: string) {
     return or(...conditions)
 }
 
+function formatDiffValue(value: any): string {
+    if (value === null || value === undefined) return "-"
+    if (typeof value === "boolean") return value ? "Ja" : "Nein"
+    if (typeof value === "object") {
+        try {
+            return JSON.stringify(value)
+        } catch {
+            return "[Objekt]"
+        }
+    }
+    return String(value)
+}
+
+const TECHNICAL_HISTORY_KEYS = new Set([
+    "id",
+    "tenant",
+    "tenant_id",
+    "createdAt",
+    "created_at",
+    "createdBy",
+    "created_by",
+    "updatedAt",
+    "updated_at",
+    "updatedBy",
+    "updated_by",
+    "archived",
+])
+
+function getUserVisibleChanges(oldRecord: Record<string, any>, updated: Record<string, any>) {
+    return diffObjects(oldRecord, updated).filter((c) => !TECHNICAL_HISTORY_KEYS.has(c.key))
+}
+
+function buildFieldUpdateHistoryText(resource: string, label: string, oldValue: any, newValue: any) {
+    return `${resource}: ${label} geändert von "${formatDiffValue(oldValue)}" zu "${formatDiffValue(newValue)}"`
+}
+
 export default async function resourceRoutes(server: FastifyInstance) {
 
     // -------------------------------------------------------------
@@ -349,6 +387,23 @@ export default async function resourceRoutes(server: FastifyInstance) {
                 await recalculateServicePricesForTenant(server, req.user.tenant_id, req.user?.user_id || null);
             }
 
+            if (created) {
+                try {
+                    await insertHistoryItem(server, {
+                        tenant_id: req.user.tenant_id,
+                        created_by: req.user?.user_id || null,
+                        entity: resource,
+                        entityId: created.id,
+                        action: "created",
+                        oldVal: null,
+                        newVal: created,
+                        text: `Neuer Eintrag in ${resource} erstellt`,
+                    })
+                } catch (historyError) {
+                    server.log.warn({ err: historyError, resource }, "Failed to write create history entry")
+                }
+            }
+
             return created;
         } catch (error) {
             console.error(error);
@@ -369,6 +424,12 @@ export default async function resourceRoutes(server: FastifyInstance) {
             const table = resourceConfig[resource].table
             const normalizeDate = (val: any) => { const d = new Date(val); return isNaN(d.getTime()) ? null : d; }
 
+            const [oldRecord] = await server.db
+                .select()
+                .from(table)
+                .where(and(eq(table.id, id), eq(table.tenant, tenantId)))
+                .limit(1)
+
             let data = { ...body, updated_at: new Date().toISOString(), updated_by: userId }
             //@ts-ignore
             delete data.updatedBy; delete data.updatedAt;
@@ -385,6 +446,39 @@ export default async function resourceRoutes(server: FastifyInstance) {
                 await recalculateServicePricesForTenant(server, tenantId, userId);
             }
 
+            if (updated) {
+                try {
+                    const changes = oldRecord ? getUserVisibleChanges(oldRecord, updated) : []
+                    if (!changes.length) {
+                        await insertHistoryItem(server, {
+                            tenant_id: tenantId,
+                            created_by: userId,
+                            entity: resource,
+                            entityId: updated.id,
+                            action: "updated",
+                            oldVal: oldRecord || null,
+                            newVal: updated,
+                            text: `Eintrag in ${resource} geändert`,
+                        })
+                    } else {
+                        for (const change of changes) {
+                            await insertHistoryItem(server, {
+                                tenant_id: tenantId,
+                                created_by: userId,
+                                entity: resource,
+                                entityId: updated.id,
+                                action: "updated",
+                                oldVal: change.oldValue,
+                                newVal: change.newValue,
+                                text: buildFieldUpdateHistoryText(resource, change.label, change.oldValue, change.newValue),
+                            })
+                        }
+                    }
+                } catch (historyError) {
+                    server.log.warn({ err: historyError, resource, id }, "Failed to write update history entry")
+                }
+            }
+
             return updated
         } catch (err) {
             console.error(err)