CCM-12744: routing config optimistic locking

frontend/src/__tests__/app/choose-templates/__snapshots__/page.test.tsx.snap

@@ -111,7 +111,7 @@ exports[`ChooseTemplatesPage renders correctly for a message plan with multiple
                     <a
                       class="nhsuk-link nhsuk-link--no-visited-state"
                       data-testid="change-template-link-NHSAPP"
-                      href="/message-plans/choose-nhs-app-template/fbb81055-79b9-4759-ac07-d191ae57be34"
+                      href="/message-plans/choose-nhs-app-template/fbb81055-79b9-4759-ac07-d191ae57be34?lockNumber=0"
                     >
                       Change
                       <span
@@ -127,14 +127,22 @@ exports[`ChooseTemplatesPage renders correctly for a message plan with multiple
                     <form>
                       <input
                         name="channel"
+                        readonly=""
                         type="hidden"
                         value="NHSAPP"
                       />
                       <input
                         name="routingConfigId"
+                        readonly=""
                         type="hidden"
                         value="fbb81055-79b9-4759-ac07-d191ae57be34"
                       />
+                      <input
+                        name="lockNumber"
+                        readonly=""
+                        type="hidden"
+                        value="0"
+                      />
                       <button
                         class="channel-template-link--remove nhsuk-link"
                         data-testid="remove-template-link-NHSAPP"
@@ -284,7 +292,7 @@ exports[`ChooseTemplatesPage renders correctly for a message plan with multiple
                     <a
                       class="nhsuk-link nhsuk-link--no-visited-state"
                       data-testid="change-template-link-SMS"
-                      href="/message-plans/choose-text-message-template/fbb81055-79b9-4759-ac07-d191ae57be34"
+                      href="/message-plans/choose-text-message-template/fbb81055-79b9-4759-ac07-d191ae57be34?lockNumber=0"
                     >
                       Change
                       <span
@@ -300,14 +308,22 @@ exports[`ChooseTemplatesPage renders correctly for a message plan with multiple
                     <form>
                       <input
                         name="channel"
+                        readonly=""
                         type="hidden"
                         value="SMS"
                       />
                       <input
                         name="routingConfigId"
+                        readonly=""
                         type="hidden"
                         value="fbb81055-79b9-4759-ac07-d191ae57be34"
                       />
+                      <input
+                        name="lockNumber"
+                        readonly=""
+                        type="hidden"
+                        value="0"
+                      />
                       <button
                         class="channel-template-link--remove nhsuk-link"
                         data-testid="remove-template-link-SMS"
@@ -451,7 +467,7 @@ exports[`ChooseTemplatesPage renders correctly for a message plan with multiple
                     <a
                       class="nhsuk-link nhsuk-link--no-visited-state"
                       data-testid="choose-template-link-EMAIL"
-                      href="/message-plans/choose-email-template/fbb81055-79b9-4759-ac07-d191ae57be34"
+                      href="/message-plans/choose-email-template/fbb81055-79b9-4759-ac07-d191ae57be34?lockNumber=0"
                     >
                       Choose
                       <span
@@ -595,7 +611,7 @@ exports[`ChooseTemplatesPage renders correctly for a message plan with multiple
                     <a
                       class="nhsuk-link nhsuk-link--no-visited-state"
                       data-testid="change-template-link-LETTER"
-                      href="/message-plans/choose-standard-english-letter-template/fbb81055-79b9-4759-ac07-d191ae57be34"
+                      href="/message-plans/choose-standard-english-letter-template/fbb81055-79b9-4759-ac07-d191ae57be34?lockNumber=0"
                     >
                       Change
                       <span
@@ -611,14 +627,22 @@ exports[`ChooseTemplatesPage renders correctly for a message plan with multiple
                     <form>
                       <input
                         name="channel"
+                        readonly=""
                         type="hidden"
                         value="LETTER"
                       />
                       <input
                         name="routingConfigId"
+                        readonly=""
                         type="hidden"
                         value="fbb81055-79b9-4759-ac07-d191ae57be34"
                       />
+                      <input
+                        name="lockNumber"
+                        readonly=""
+                        type="hidden"
+                        value="0"
+                      />
                       <button
                         class="channel-template-link--remove nhsuk-link"
                         data-testid="remove-template-link-LETTER"

frontend/src/__tests__/app/choose-templates/page.test.tsx

@@ -38,6 +38,7 @@ const routingConfig: RoutingConfig = {
   updatedAt: '2025-01-13T10:19:25.579Z',
   cascadeGroupOverrides: [],
   cascade: [],
+  lockNumber: 0,
   defaultCascadeGroup: 'standard',
 };
 

frontend/src/__tests__/app/message-plans/choose-email-template/__snapshots__/page.test.tsx.snap

@@ -38,6 +38,12 @@ exports[`ChooseEmailTemplate page renders Email template selection 1`] = `
             type="hidden"
             value="no_token"
           />
+          <input
+            name="lockNumber"
+            readonly=""
+            type="hidden"
+            value="42"
+          />
           <dl
             class="nhsuk-summary-list"
             data-testid="previous-selection-summary"

frontend/src/__tests__/app/message-plans/choose-email-template/page.test.tsx

@@ -23,6 +23,9 @@ describe('ChooseEmailTemplate page', () => {
       params: Promise.resolve({
         routingConfigId: 'invalid-id',
       }),
+      searchParams: Promise.resolve({
+        lockNumber: '42',
+      }),
     });
 
     expect(getRoutingConfigMock).toHaveBeenCalledWith('invalid-id');
@@ -45,6 +48,9 @@ describe('ChooseEmailTemplate page', () => {
       params: Promise.resolve({
         routingConfigId: ROUTING_CONFIG.id,
       }),
+      searchParams: Promise.resolve({
+        lockNumber: '42',
+      }),
     });
 
     expect(getRoutingConfigMock).toHaveBeenCalledWith(ROUTING_CONFIG.id);
@@ -63,6 +69,9 @@ describe('ChooseEmailTemplate page', () => {
       params: Promise.resolve({
         routingConfigId: ROUTING_CONFIG.id,
       }),
+      searchParams: Promise.resolve({
+        lockNumber: '42',
+      }),
     });
 
     const container = render(page);
@@ -77,4 +86,17 @@ describe('ChooseEmailTemplate page', () => {
     });
     expect(container.asFragment()).toMatchSnapshot();
   });
+
+  it('redirects to choose templates page if the lockNumber is missing', async () => {
+    await ChooseEmailTemplate({
+      params: Promise.resolve({
+        routingConfigId: ROUTING_CONFIG.id,
+      }),
+    });
+
+    expect(redirectMock).toHaveBeenCalledWith(
+      `/message-plans/choose-templates/${ROUTING_CONFIG.id}`,
+      'replace'
+    );
+  });
 });

frontend/src/__tests__/app/message-plans/choose-nhs-app-template/__snapshots__/page.test.tsx.snap

@@ -38,6 +38,12 @@ exports[`ChooseNHSAppTemplate page renders NHS App template selection 1`] = `
             type="hidden"
             value="no_token"
           />
+          <input
+            name="lockNumber"
+            readonly=""
+            type="hidden"
+            value="42"
+          />
           <dl
             class="nhsuk-summary-list"
             data-testid="previous-selection-summary"

frontend/src/__tests__/app/message-plans/choose-nhs-app-template/page.test.tsx

@@ -26,6 +26,9 @@ describe('ChooseNHSAppTemplate page', () => {
       params: Promise.resolve({
         routingConfigId: 'invalid-id',
       }),
+      searchParams: Promise.resolve({
+        lockNumber: '42',
+      }),
     });
 
     expect(getRoutingConfigMock).toHaveBeenCalledWith('invalid-id');
@@ -48,6 +51,9 @@ describe('ChooseNHSAppTemplate page', () => {
       params: Promise.resolve({
         routingConfigId: ROUTING_CONFIG.id,
       }),
+      searchParams: Promise.resolve({
+        lockNumber: '42',
+      }),
     });
 
     expect(getRoutingConfigMock).toHaveBeenCalledWith(ROUTING_CONFIG.id);
@@ -66,6 +72,9 @@ describe('ChooseNHSAppTemplate page', () => {
       params: Promise.resolve({
         routingConfigId: ROUTING_CONFIG.id,
       }),
+      searchParams: Promise.resolve({
+        lockNumber: '42',
+      }),
     });
 
     const container = render(page);
@@ -80,4 +89,17 @@ describe('ChooseNHSAppTemplate page', () => {
     });
     expect(container.asFragment()).toMatchSnapshot();
   });
+
+  it('redirects to choose templates page if the lockNumber is missing', async () => {
+    await ChooseNhsAppTemplate({
+      params: Promise.resolve({
+        routingConfigId: ROUTING_CONFIG.id,
+      }),
+    });
+
+    expect(redirectMock).toHaveBeenCalledWith(
+      `/message-plans/choose-templates/${ROUTING_CONFIG.id}`,
+      'replace'
+    );
+  });
 });

frontend/src/__tests__/app/message-plans/choose-standard-english-letter-template/__snapshots__/page.test.tsx.snap

@@ -38,6 +38,12 @@ exports[`ChooseStandardEnglishLetterTemplate page renders letter template select
             type="hidden"
             value="no_token"
           />
+          <input
+            name="lockNumber"
+            readonly=""
+            type="hidden"
+            value="42"
+          />
           <dl
             class="nhsuk-summary-list"
             data-testid="previous-selection-summary"

frontend/src/__tests__/app/message-plans/choose-standard-english-letter-template/page.test.tsx

@@ -23,6 +23,9 @@ describe('ChooseStandardEnglishLetterTemplate page', () => {
       params: Promise.resolve({
         routingConfigId: 'invalid-id',
       }),
+      searchParams: Promise.resolve({
+        lockNumber: '42',
+      }),
     });
 
     expect(getRoutingConfigMock).toHaveBeenCalledWith('invalid-id');
@@ -45,6 +48,9 @@ describe('ChooseStandardEnglishLetterTemplate page', () => {
       params: Promise.resolve({
         routingConfigId: ROUTING_CONFIG.id,
       }),
+      searchParams: Promise.resolve({
+        lockNumber: '42',
+      }),
     });
 
     expect(getRoutingConfigMock).toHaveBeenCalledWith(ROUTING_CONFIG.id);
@@ -63,6 +69,9 @@ describe('ChooseStandardEnglishLetterTemplate page', () => {
       params: Promise.resolve({
         routingConfigId: ROUTING_CONFIG.id,
       }),
+      searchParams: Promise.resolve({
+        lockNumber: '42',
+      }),
     });
 
     const container = render(page);
@@ -79,4 +88,17 @@ describe('ChooseStandardEnglishLetterTemplate page', () => {
     });
     expect(container.asFragment()).toMatchSnapshot();
   });
+
+  it('redirects to choose templates page if the lockNumber is missing', async () => {
+    await ChooseStandardEnglishLetterTemplate({
+      params: Promise.resolve({
+        routingConfigId: ROUTING_CONFIG.id,
+      }),
+    });
+
+    expect(redirectMock).toHaveBeenCalledWith(
+      `/message-plans/choose-templates/${ROUTING_CONFIG.id}`,
+      'replace'
+    );
+  });
 });

frontend/src/__tests__/app/message-plans/choose-text-message-template/__snapshots__/page.test.tsx.snap

@@ -38,6 +38,12 @@ exports[`ChooseTextMessageTemplate page renders sms template selection 1`] = `
             type="hidden"
             value="no_token"
           />
+          <input
+            name="lockNumber"
+            readonly=""
+            type="hidden"
+            value="42"
+          />
           <dl
             class="nhsuk-summary-list"
             data-testid="previous-selection-summary"

frontend/src/__tests__/app/message-plans/choose-text-message-template/page.test.tsx

@@ -26,6 +26,7 @@ describe('ChooseTextMessageTemplate page', () => {
       params: Promise.resolve({
         routingConfigId: 'invalid-id',
       }),
+      searchParams: Promise.resolve({ lockNumber: '42' }),
     });
 
     expect(getRoutingConfigMock).toHaveBeenCalledWith('invalid-id');
@@ -46,6 +47,7 @@ describe('ChooseTextMessageTemplate page', () => {
       params: Promise.resolve({
         routingConfigId: ROUTING_CONFIG.id,
       }),
+      searchParams: Promise.resolve({ lockNumber: '42' }),
     });
 
     expect(getRoutingConfigMock).toHaveBeenCalledWith(ROUTING_CONFIG.id);
@@ -64,6 +66,7 @@ describe('ChooseTextMessageTemplate page', () => {
       params: Promise.resolve({
         routingConfigId: ROUTING_CONFIG.id,
       }),
+      searchParams: Promise.resolve({ lockNumber: '42' }),
     });
 
     const container = render(page);
@@ -78,4 +81,17 @@ describe('ChooseTextMessageTemplate page', () => {
     });
     expect(container.asFragment()).toMatchSnapshot();
   });
+
+  it('redirects to choose templates page if the lockNumber is missing', async () => {
+    await ChooseTextMessageTemplate({
+      params: Promise.resolve({
+        routingConfigId: ROUTING_CONFIG.id,
+      }),
+    });
+
+    expect(redirectMock).toHaveBeenCalledWith(
+      `/message-plans/choose-templates/${ROUTING_CONFIG.id}`,
+      'replace'
+    );
+  });
 });