From 7a5c5538bdc2d7251e7e9c6c5ba16e36c2f558c2 Mon Sep 17 00:00:00 2001
From: Chris Duncan <chris@flowpex.dev>
Date: Tue, 16 Jul 2024 22:51:36 -0700
Subject: [PATCH] Add System.Datetime.addHours()

---
 .../addHours/System_Datetime_addHours.cls     | 42 +++++++++++
 .../System_Datetime_addHours.cls-meta.xml     |  9 +++
 .../System_Datetime_addHours_TEST.cls         | 69 +++++++++++++++++++
 ...System_Datetime_addHours_TEST.cls-meta.xml |  9 +++
 4 files changed, 129 insertions(+)
 create mode 100644 src/System/Datetime/addHours/System_Datetime_addHours.cls
 create mode 100644 src/System/Datetime/addHours/System_Datetime_addHours.cls-meta.xml
 create mode 100644 src/System/Datetime/addHours/System_Datetime_addHours_TEST.cls
 create mode 100644 src/System/Datetime/addHours/System_Datetime_addHours_TEST.cls-meta.xml

diff --git a/src/System/Datetime/addHours/System_Datetime_addHours.cls b/src/System/Datetime/addHours/System_Datetime_addHours.cls
new file mode 100644
index 0000000..9374033
--- /dev/null
+++ b/src/System/Datetime/addHours/System_Datetime_addHours.cls
@@ -0,0 +1,42 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Chris Duncan <chris@flowpex.dev>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+global class System_Datetime_addHours {
+
+    @InvocableMethod(label='System.Datetime.addHours()' category='Flowpex' iconName='slds:standard:event' description='Adds the specified number of hours to a Datetime.')
+
+    global static List<Response> System_Datetime_addHours (List<Request> requests) {
+        List<Response> responses = new List<Response>();
+        for (Request req : requests) {
+            Response res = new Response();
+            try {
+                res.newDatetime = req.oldDatetime.addHours(req.additionalHours);
+            } catch (Exception e) {
+                System.debug(e);
+            }
+            responses.add(res);
+        }
+        return responses;
+    }
+
+    global class Request {
+        @InvocableVariable(required='true' label='Old Datetime' description='Datetime to be incremented.')
+        global Datetime oldDatetime;
+
+        @InvocableVariable(required='true' label='Additional Hours' description='Number of hours to be added to the Datetime.')
+        global Integer additionalHours;
+
+        global Request () {}
+        global Request (Datetime d, Integer a) {
+            this.oldDatetime = d;
+            this.additionalHours = a;
+        }
+    }
+
+    global class Response {
+        @InvocableVariable(label='New Datetime' description='Datetime incremented by a number of hours.')
+        global Datetime newDatetime;
+    }
+}
\ No newline at end of file
diff --git a/src/System/Datetime/addHours/System_Datetime_addHours.cls-meta.xml b/src/System/Datetime/addHours/System_Datetime_addHours.cls-meta.xml
new file mode 100644
index 0000000..7d03d55
--- /dev/null
+++ b/src/System/Datetime/addHours/System_Datetime_addHours.cls-meta.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+SPDX-FileCopyrightText: 2024 Chris Duncan <chris@flowpex.dev>
+SPDX-License-Identifier: GPL-3.0-or-later
+-->
+<ApexClass xmlns="http://soap.sforce.com/2006/04/metadata">
+    <apiVersion>61.0</apiVersion>
+    <status>Active</status>
+</ApexClass>
\ No newline at end of file
diff --git a/src/System/Datetime/addHours/System_Datetime_addHours_TEST.cls b/src/System/Datetime/addHours/System_Datetime_addHours_TEST.cls
new file mode 100644
index 0000000..3651f9b
--- /dev/null
+++ b/src/System/Datetime/addHours/System_Datetime_addHours_TEST.cls
@@ -0,0 +1,69 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Chris Duncan <chris@flowpex.dev>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+@isTest
+private class System_Datetime_addHours_TEST {
+
+    @isTest
+    static void testNoArgs () {
+        List<System_Datetime_addHours.Request> requests = new List<System_Datetime_addHours.Request>();
+
+        Test.startTest();
+        List<System_Datetime_addHours.Response> responses = System_Datetime_addHours.System_Datetime_addHours(requests);
+        Test.stopTest();
+
+        Assert.areEqual(0, responses.size());
+    }
+
+    @isTest
+    static void testEmptyRequest () {
+        List<System_Datetime_addHours.Request> requests = new List<System_Datetime_addHours.Request>();
+        System_Datetime_addHours.Request req = new System_Datetime_addHours.Request();
+        requests.add(req);
+
+        Test.startTest();
+        List<System_Datetime_addHours.Response> responses = System_Datetime_addHours.System_Datetime_addHours(requests);
+        Test.stopTest();
+
+        Assert.areEqual(1, responses.size());
+        Assert.isNull(responses[0].newDatetime);
+    }
+
+    @isTest
+    static void testBlankArgs () {
+        System_Datetime_addHours.Request req0 = new System_Datetime_addHours.Request(null, null);
+        System_Datetime_addHours.Request req1 = new System_Datetime_addHours.Request(Datetime.now(), null);
+        System_Datetime_addHours.Request req2 = new System_Datetime_addHours.Request(null, 1);
+        List<System_Datetime_addHours.Request> requests = new List<System_Datetime_addHours.Request>{req0, req1, req2};
+
+        Test.startTest();
+        List<System_Datetime_addHours.Response> responses = System_Datetime_addHours.System_Datetime_addHours(requests);
+        Test.stopTest();
+
+        Assert.areEqual(3, responses.size());
+        Assert.isNull(responses[0].newDatetime);
+        Assert.isNull(responses[1].newDatetime);
+        Assert.isNull(responses[2].newDatetime);
+    }
+
+    @isTest
+    static void testManyArgs () {
+        Datetime now = Datetime.now();
+
+        Test.startTest();
+        List<System_Datetime_addHours.Request> requests = new List<System_Datetime_addHours.Request>();
+        for (Integer i = 0; i < 3; i++) {
+            System_Datetime_addHours.Request req = new System_Datetime_addHours.Request(now, i);
+            requests.add(req);
+        }
+        List<System_Datetime_addHours.Response> responses = System_Datetime_addHours.System_Datetime_addHours(requests);
+        Test.stopTest();
+
+        Assert.areEqual(3, responses.size());
+        for (Integer i = 0; i < 3; i++) {
+            Assert.areEqual(now.addHours(i), responses[i].newDatetime);
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/System/Datetime/addHours/System_Datetime_addHours_TEST.cls-meta.xml b/src/System/Datetime/addHours/System_Datetime_addHours_TEST.cls-meta.xml
new file mode 100644
index 0000000..7d03d55
--- /dev/null
+++ b/src/System/Datetime/addHours/System_Datetime_addHours_TEST.cls-meta.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+SPDX-FileCopyrightText: 2024 Chris Duncan <chris@flowpex.dev>
+SPDX-License-Identifier: GPL-3.0-or-later
+-->
+<ApexClass xmlns="http://soap.sforce.com/2006/04/metadata">
+    <apiVersion>61.0</apiVersion>
+    <status>Active</status>
+</ApexClass>
\ No newline at end of file
-- 
2.52.0