From d858c7e228863b2e0a6471f0f62909590a28c3fd Mon Sep 17 00:00:00 2001
From: Pavel Gnedov <pavel@gnedov.info>
Date: Tue, 19 Jul 2022 11:38:52 +0700
Subject: [PATCH] =?UTF-8?q?=D0=A4=D1=83=D0=BD=D0=BA=D1=86=D0=B8=D1=8F=20?=
 =?UTF-8?q?=D0=B4=D0=BE=D0=B1=D0=B0=D0=B2=D0=BB=D0=B5=D0=BD=D0=B8=D1=8F=20?=
 =?UTF-8?q?=D1=87=D0=B8=D1=81=D0=BB=D0=BE=D0=B2=D0=BE=D0=B3=D0=BE=20timest?=
 =?UTF-8?q?amp=20=D0=B4=D0=BB=D1=8F=20=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=BE?=
 =?UTF-8?q?=D0=B2=D1=8B=D1=85=20=D0=BF=D0=BE=D0=BB=D0=B5=D0=B9=20=D1=81=20?=
 =?UTF-8?q?=D0=B4=D0=B0=D1=82=D0=B0=D0=BC=D0=B8?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../issue-enhancer-interface.ts               |  5 +++
 .../issue-enhancers/timestamps-enhancer.ts    | 36 +++++++++++++++++++
 2 files changed, 41 insertions(+)
 create mode 100644 libs/event-emitter/src/issue-enhancers/issue-enhancer-interface.ts
 create mode 100644 libs/event-emitter/src/issue-enhancers/timestamps-enhancer.ts

diff --git a/libs/event-emitter/src/issue-enhancers/issue-enhancer-interface.ts b/libs/event-emitter/src/issue-enhancers/issue-enhancer-interface.ts
new file mode 100644
index 0000000..3a55dfd
--- /dev/null
+++ b/libs/event-emitter/src/issue-enhancers/issue-enhancer-interface.ts
@@ -0,0 +1,5 @@
+import { RedmineTypes } from '../models/redmine-types';
+
+export interface IssueEnhancerInterface {
+  enhance(issue: RedmineTypes.Issue): RedmineTypes.Issue & Record<string, any>;
+}
diff --git a/libs/event-emitter/src/issue-enhancers/timestamps-enhancer.ts b/libs/event-emitter/src/issue-enhancers/timestamps-enhancer.ts
new file mode 100644
index 0000000..602fbe7
--- /dev/null
+++ b/libs/event-emitter/src/issue-enhancers/timestamps-enhancer.ts
@@ -0,0 +1,36 @@
+import { RedmineTypes } from '../models/redmine-types';
+import { IssueEnhancerInterface } from './issue-enhancer-interface';
+
+export class TimestampEnhancer implements IssueEnhancerInterface {
+  enhance(issue: RedmineTypes.Issue): RedmineTypes.Issue & Record<string, any> {
+    return this.createTimestamp(this.enhanceJournal(issue), [
+      'closed_on',
+      'created_on',
+      'updated_on',
+    ]) as RedmineTypes.Issue & Record<string, any>;
+  }
+
+  private enhanceJournal(issue: Record<string, any>): Record<string, any> {
+    if (!issue.journals || issue.journals.length === 0) {
+      return issue;
+    }
+    const journals = issue.journals;
+    for (let i = 0; i < journals.length; i++) {
+      journals[i] = this.createTimestamp(journals[i], ['created_on']);
+    }
+    return issue;
+  }
+
+  private createTimestamp(
+    issue: Record<string, any>,
+    fieldNames: string[],
+  ): Record<string, any> {
+    for (let i = 0; i < fieldNames.length; i++) {
+      const fieldName = fieldNames[i];
+      if (issue[fieldName]) {
+        issue[`${fieldName}_timestamp`] = new Date(issue[fieldName]).getTime();
+      }
+    }
+    return issue;
+  }
+}