From 2e591afaf6968d2f3bdbb49000466e93244756ba Mon Sep 17 00:00:00 2001
From: Shivam Mishra <scm.mymail@gmail.com>
Date: Fri, 13 Mar 2026 11:51:28 +0530
Subject: [PATCH] fix: use IANA

---
 app/javascript/dashboard/api/reports.js       |  5 ++
 .../dashboard/api/specs/reports.spec.js       |  6 +++
 .../api/specs/summaryReports.spec.js          | 47 +++++++++++++++++++
 .../dashboard/api/summaryReports.js           | 11 +++++
 4 files changed, 69 insertions(+)
 create mode 100644 app/javascript/dashboard/api/specs/summaryReports.spec.js

diff --git a/app/javascript/dashboard/api/reports.js b/app/javascript/dashboard/api/reports.js
index 00f040f8e..7093ec0d0 100644
--- a/app/javascript/dashboard/api/reports.js
+++ b/app/javascript/dashboard/api/reports.js
@@ -2,6 +2,7 @@
 import ApiClient from './ApiClient';
 
 const getTimeOffset = () => -new Date().getTimezoneOffset() / 60;
+const getTimeZone = () => Intl.DateTimeFormat().resolvedOptions().timeZone;
 
 class ReportsAPI extends ApiClient {
   constructor() {
@@ -26,6 +27,7 @@ class ReportsAPI extends ApiClient {
         id,
         group_by: groupBy,
         business_hours: businessHours,
+        timezone: getTimeZone(),
         timezone_offset: getTimeOffset(),
       },
     });
@@ -41,6 +43,7 @@ class ReportsAPI extends ApiClient {
         id,
         group_by: groupBy,
         business_hours: businessHours,
+        timezone: getTimeZone(),
         timezone_offset: getTimeOffset(),
       },
     });
@@ -105,6 +108,8 @@ class ReportsAPI extends ApiClient {
         type: 'account',
         group_by: groupBy,
         business_hours: businessHours,
+        timezone: getTimeZone(),
+        timezone_offset: getTimeOffset(),
       },
     });
   }
diff --git a/app/javascript/dashboard/api/specs/reports.spec.js b/app/javascript/dashboard/api/specs/reports.spec.js
index e458633d0..de81729b9 100644
--- a/app/javascript/dashboard/api/specs/reports.spec.js
+++ b/app/javascript/dashboard/api/specs/reports.spec.js
@@ -2,6 +2,8 @@ import reportsAPI from '../reports';
 import ApiClient from '../ApiClient';
 
 describe('#Reports API', () => {
+  const timezone = Intl.DateTimeFormat().resolvedOptions().timeZone;
+
   it('creates correct instance', () => {
     expect(reportsAPI).toBeInstanceOf(ApiClient);
     expect(reportsAPI.apiVersion).toBe('/api/v2');
@@ -46,6 +48,7 @@ describe('#Reports API', () => {
           since: 1621103400,
           until: 1621621800,
           type: 'account',
+          timezone,
           timezone_offset: -0,
         },
       });
@@ -59,6 +62,7 @@ describe('#Reports API', () => {
           group_by: undefined,
           id: undefined,
           since: 1621103400,
+          timezone,
           timezone_offset: -0,
           type: 'account',
           until: 1621621800,
@@ -140,6 +144,8 @@ describe('#Reports API', () => {
             type: 'account',
             group_by: 'date',
             business_hours: true,
+            timezone,
+            timezone_offset: -0,
           },
         }
       );
diff --git a/app/javascript/dashboard/api/specs/summaryReports.spec.js b/app/javascript/dashboard/api/specs/summaryReports.spec.js
new file mode 100644
index 000000000..27bc56fbc
--- /dev/null
+++ b/app/javascript/dashboard/api/specs/summaryReports.spec.js
@@ -0,0 +1,47 @@
+import summaryReportsAPI from '../summaryReports';
+import ApiClient from '../ApiClient';
+
+describe('#Summary Reports API', () => {
+  const timezone = Intl.DateTimeFormat().resolvedOptions().timeZone;
+
+  it('creates correct instance', () => {
+    expect(summaryReportsAPI).toBeInstanceOf(ApiClient);
+    expect(summaryReportsAPI.apiVersion).toBe('/api/v2');
+  });
+
+  describe('API calls', () => {
+    const originalAxios = window.axios;
+    const axiosMock = {
+      get: vi.fn(() => Promise.resolve()),
+    };
+
+    beforeEach(() => {
+      window.axios = axiosMock;
+    });
+
+    afterEach(() => {
+      window.axios = originalAxios;
+    });
+
+    it('includes timezone data in summary report requests', () => {
+      summaryReportsAPI.getAgentReports({
+        since: 1621103400,
+        until: 1621621800,
+        businessHours: true,
+      });
+
+      expect(axiosMock.get).toHaveBeenCalledWith(
+        '/api/v2/summary_reports/agent',
+        {
+          params: {
+            since: 1621103400,
+            until: 1621621800,
+            business_hours: true,
+            timezone,
+            timezone_offset: -0,
+          },
+        }
+      );
+    });
+  });
+});
diff --git a/app/javascript/dashboard/api/summaryReports.js b/app/javascript/dashboard/api/summaryReports.js
index fad26bf6f..1773afbe5 100644
--- a/app/javascript/dashboard/api/summaryReports.js
+++ b/app/javascript/dashboard/api/summaryReports.js
@@ -1,6 +1,9 @@
 /* global axios */
 import ApiClient from './ApiClient';
 
+const getTimeOffset = () => -new Date().getTimezoneOffset() / 60;
+const getTimeZone = () => Intl.DateTimeFormat().resolvedOptions().timeZone;
+
 class SummaryReportsAPI extends ApiClient {
   constructor() {
     super('summary_reports', { accountScoped: true, apiVersion: 'v2' });
@@ -12,6 +15,8 @@ class SummaryReportsAPI extends ApiClient {
         since,
         until,
         business_hours: businessHours,
+        timezone: getTimeZone(),
+        timezone_offset: getTimeOffset(),
       },
     });
   }
@@ -22,6 +27,8 @@ class SummaryReportsAPI extends ApiClient {
         since,
         until,
         business_hours: businessHours,
+        timezone: getTimeZone(),
+        timezone_offset: getTimeOffset(),
       },
     });
   }
@@ -32,6 +39,8 @@ class SummaryReportsAPI extends ApiClient {
         since,
         until,
         business_hours: businessHours,
+        timezone: getTimeZone(),
+        timezone_offset: getTimeOffset(),
       },
     });
   }
@@ -42,6 +51,8 @@ class SummaryReportsAPI extends ApiClient {
         since,
         until,
         business_hours: businessHours,
+        timezone: getTimeZone(),
+        timezone_offset: getTimeOffset(),
       },
     });
   }