Add System.Date.daysInMonth()

diff --git a/src/System/Date/daysInMonth/System_Date_daysInMonth.cls b/src/System/Date/daysInMonth/System_Date_daysInMonth.cls
new file mode 100644 (file)
index 0000000..6436924
--- /dev/null
+++ b/src/System/Date/daysInMonth/System_Date_daysInMonth.cls
@@ -0,0 +1,42 @@
+/*\r
+ * SPDX-FileCopyrightText: 2024 Chris Duncan <chris@flowpex.dev>\r
+ * SPDX-License-Identifier: GPL-3.0-or-later\r
+ */\r
+\r
+global class System_Date_daysInMonth {\r
+\r
+    @InvocableMethod(label='System.Date.daysInMonth()' category='Flowpex' iconName='slds:standard:number_input' description='Returns the number of days in the month for the specified year and month (1=Jan).')\r
+\r
+    global static List<Response> System_Date_daysInMonth (List<Request> requests) {\r
+        List<Response> responses = new List<Response>();\r
+        for (Request req : requests) {\r
+            Response res = new Response();\r
+            try {\r
+                res.daysInMonth = Date.daysInMonth(req.year, req.month);\r
+            } catch (Exception e) {\r
+                System.debug(e);\r
+            }\r
+            responses.add(res);\r
+        }\r
+        return responses;\r
+    }\r
+\r
+    global class Request {\r
+        @InvocableVariable(required='true' label='Year' description='Year to use in calculating number of days in specified month.')\r
+        global Integer year;\r
+        \r
+        @InvocableVariable(required='true' label='Month' description='Month from which to return number of days.')\r
+        global Integer month;\r
+\r
+        global Request () {}\r
+        global Request (Integer y, Integer m) {\r
+            this.year = y;\r
+            this.month = m;\r
+        }\r
+    }\r
+\r
+    global class Response {\r
+        @InvocableVariable(label='Days in Month' description='Number of days between two provided dates.')\r
+        global Integer daysInMonth;\r
+    }\r
+}
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diff --git a/src/System/Date/daysInMonth/System_Date_daysInMonth.cls-meta.xml b/src/System/Date/daysInMonth/System_Date_daysInMonth.cls-meta.xml
new file mode 100644 (file)
index 0000000..7d03d55
--- /dev/null
+++ b/src/System/Date/daysInMonth/System_Date_daysInMonth.cls-meta.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>\r
+<!--\r
+SPDX-FileCopyrightText: 2024 Chris Duncan <chris@flowpex.dev>\r
+SPDX-License-Identifier: GPL-3.0-or-later\r
+-->\r
+<ApexClass xmlns="http://soap.sforce.com/2006/04/metadata">\r
+    <apiVersion>61.0</apiVersion>\r
+    <status>Active</status>\r
+</ApexClass>
\ No newline at end of file

diff --git a/src/System/Date/daysInMonth/System_Date_daysInMonth_TEST.cls b/src/System/Date/daysInMonth/System_Date_daysInMonth_TEST.cls
new file mode 100644 (file)
index 0000000..4cd3873
--- /dev/null
+++ b/src/System/Date/daysInMonth/System_Date_daysInMonth_TEST.cls
@@ -0,0 +1,73 @@
+/*\r
+ * SPDX-FileCopyrightText: 2024 Chris Duncan <chris@flowpex.dev>\r
+ * SPDX-License-Identifier: GPL-3.0-or-later\r
+ */\r
+\r
+@isTest\r
+private class System_Date_daysInMonth_TEST {\r
+\r
+    @isTest\r
+    static void testNoArgs () {\r
+        List<System_Date_daysInMonth.Request> requests = new List<System_Date_daysInMonth.Request>();\r
+\r
+        Test.startTest();\r
+        List<System_Date_daysInMonth.Response> responses = System_Date_daysInMonth.System_Date_daysInMonth(requests);\r
+        Test.stopTest();\r
+\r
+        Assert.areEqual(0, responses.size());\r
+    }\r
+\r
+    @isTest\r
+    static void testEmptyRequest () {\r
+        List<System_Date_daysInMonth.Request> requests = new List<System_Date_daysInMonth.Request>();\r
+        System_Date_daysInMonth.Request req = new System_Date_daysInMonth.Request();\r
+        requests.add(req);\r
+\r
+        Test.startTest();\r
+        List<System_Date_daysInMonth.Response> responses = System_Date_daysInMonth.System_Date_daysInMonth(requests);\r
+        Test.stopTest();\r
+\r
+        Assert.areEqual(1, responses.size());\r
+        Assert.isNull(responses[0].daysInMonth);\r
+    }\r
+\r
+    @isTest\r
+    static void testBlankArgs () {\r
+        List<System_Date_daysInMonth.Request> requests = new List<System_Date_daysInMonth.Request>();\r
+        System_Date_daysInMonth.Request req = new System_Date_daysInMonth.Request(null, null);\r
+        requests.add(req);\r
+\r
+        Test.startTest();\r
+        List<System_Date_daysInMonth.Response> responses = System_Date_daysInMonth.System_Date_daysInMonth(requests);\r
+        Test.stopTest();\r
+\r
+        Assert.areEqual(1, responses.size());\r
+        Assert.isNull(responses[0].daysInMonth);\r
+    }\r
+\r
+    @isTest\r
+    static void testManyArgs () {\r
+        Date nonleapCentury = Date.newInstance(1900, 2, 1);\r
+        Date leapCentury = Date.newInstance(2000, 2, 1);\r
+        Date nonleapYear = Date.newInstance(2002, 2, 1);\r
+        Date leapYear = Date.newInstance(2004, 2, 1);\r
+        List<Date> dates = new List<Date>{nonleapCentury, leapCentury, nonleapYear, leapYear};\r
+\r
+        Test.startTest();\r
+        List<System_Date_daysInMonth.Request> requests = new List<System_Date_daysInMonth.Request>();\r
+        for (Date d : dates) {\r
+            System_Date_daysInMonth.Request req = new System_Date_daysInMonth.Request(d.year(), d.month());\r
+            requests.add(req);\r
+        }\r
+        List<System_Date_daysInMonth.Response> responses = System_Date_daysInMonth.System_Date_daysInMonth(requests);\r
+        Test.stopTest();\r
+\r
+        Assert.areEqual(4, responses.size());\r
+        for (Integer i = 0; i < 4; i++) {\r
+            System_Date_daysInMonth.Response res = responses[i];\r
+            Date d = dates[i];\r
+            Assert.isTrue(res.daysInMonth == 28 || res.daysInMonth == 29);\r
+            Assert.areEqual(Date.daysInMonth(d.year(), d.month()), res.daysInMonth);\r
+        }\r
+    }\r
+}
\ No newline at end of file

diff --git a/src/System/Date/daysInMonth/System_Date_daysInMonth_TEST.cls-meta.xml b/src/System/Date/daysInMonth/System_Date_daysInMonth_TEST.cls-meta.xml
new file mode 100644 (file)
index 0000000..7d03d55
--- /dev/null
+++ b/src/System/Date/daysInMonth/System_Date_daysInMonth_TEST.cls-meta.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>\r
+<!--\r
+SPDX-FileCopyrightText: 2024 Chris Duncan <chris@flowpex.dev>\r
+SPDX-License-Identifier: GPL-3.0-or-later\r
+-->\r
+<ApexClass xmlns="http://soap.sforce.com/2006/04/metadata">\r
+    <apiVersion>61.0</apiVersion>\r
+    <status>Active</status>\r
+</ApexClass>
\ No newline at end of file