chore: new confirmation dialog for replacing release plans (#10720)

https://linear.app/unleash/issue/2-3931/add-a-confirmation-dialog-when-replacing-existing-release-plan

Adds a confirmation dialog when replacing an already active release
plan.

<img width="706" height="325" alt="image"
src="https://github.com/user-attachments/assets/f682809c-f563-4dca-9924-be1e9188c698"
/>

frontend/src/component/feature/FeatureStrategy/FeatureStrategyMenu/FeatureStrategyMenu.tsx

@@ -21,12 +21,13 @@ import { useChangeRequestsEnabled } from 'hooks/useChangeRequestsEnabled';
 import { formatUnknownError } from 'utils/formatUnknownError';
 import useUiConfig from 'hooks/api/getters/useUiConfig/useUiConfig';
 import { LegacyReleasePlanReviewDialog } from 'component/feature/FeatureView/FeatureOverview/ReleasePlan/LegacyReleasePlanReviewDialog.tsx';
-import { ReleasePlanPreview } from '../../FeatureView/FeatureOverview/ReleasePlan/ReleasePlanPreview.tsx';
+import { ReleasePlanPreview } from './ReleasePlanPreview.tsx';
 import {
     FeatureStrategyMenuCards,
     type StrategyFilterValue,
 } from './FeatureStrategyMenuCards/FeatureStrategyMenuCards.tsx';
 import { useUiFlag } from 'hooks/useUiFlag.ts';
+import { ReleasePlanConfirmationDialog } from './ReleasePlanConfirmationDialog.tsx';
 
 interface IFeatureStrategyMenuProps {
     label: string;
@@ -78,6 +79,8 @@ export const FeatureStrategyMenu = ({
         useState<IReleasePlanTemplate>();
     const [addReleasePlanOpen, setAddReleasePlanOpen] = useState(false);
     const [releasePlanPreview, setReleasePlanPreview] = useState(false);
+    const [addReleasePlanConfirmationOpen, setAddReleasePlanConfirmationOpen] =
+        useState(false);
     const dialogId = isStrategyMenuDialogOpen
         ? 'FeatureStrategyMenuDialog'
         : undefined;
@@ -86,13 +89,19 @@ export const FeatureStrategyMenu = ({
     const { addChange } = useChangeRequestApi();
     const { refetch: refetchChangeRequests } =
         usePendingChangeRequests(projectId);
-    const { refetch } = useReleasePlans(projectId, featureId, environmentId);
+    const { refetch, releasePlans } = useReleasePlans(
+        projectId,
+        featureId,
+        environmentId,
+    );
     const { addReleasePlanToFeature } = useReleasePlansApi();
     const { isEnterprise } = useUiConfig();
     const displayReleasePlanButton = isEnterprise();
     const crProtected = isChangeRequestConfigured(environmentId);
     const newStrategyModalEnabled = useUiFlag('newStrategyModal');
 
+    const activeReleasePlan = releasePlans[0];
+
     const onClose = () => {
         setIsStrategyMenuDialogOpen(false);
     };
@@ -121,8 +130,15 @@ export const FeatureStrategyMenu = ({
         setIsStrategyMenuDialogOpen(true);
     };
 
-    const addReleasePlan = async (template: IReleasePlanTemplate) => {
+    const addReleasePlan = async (
+        template: IReleasePlanTemplate,
+        confirmed?: boolean,
+    ) => {
         try {
+            if (newStrategyModalEnabled && !confirmed && activeReleasePlan) {
+                setAddReleasePlanConfirmationOpen(true);
+                return;
+            }
             if (crProtected) {
                 await addChange(projectId, environmentId, {
                     feature: featureId,
@@ -153,18 +169,19 @@ export const FeatureStrategyMenu = ({
 
                 refetch();
             }
+
             trackEvent('release-management', {
                 props: {
                     eventType: 'add-plan',
                     plan: template.name,
                 },
             });
-        } catch (error: unknown) {
-            setToastApiError(formatUnknownError(error));
-        } finally {
+            setAddReleasePlanConfirmationOpen(false);
             setAddReleasePlanOpen(false);
             setSelectedTemplate(undefined);
             onClose();
+        } catch (error: unknown) {
+            setToastApiError(formatUnknownError(error));
         }
     };
 
@@ -284,6 +301,7 @@ export const FeatureStrategyMenu = ({
                                 projectId={projectId}
                                 featureName={featureId}
                                 environment={environmentId}
+                                activeReleasePlan={activeReleasePlan}
                                 crProtected={crProtected}
                                 onBack={() => setReleasePlanPreview(false)}
                                 onConfirm={() => {
@@ -329,6 +347,7 @@ export const FeatureStrategyMenu = ({
                 )}
             </Dialog>
             {selectedTemplate && (
+                <>
                     <LegacyReleasePlanReviewDialog
                         open={addReleasePlanOpen}
                         setOpen={(open) => {
@@ -346,6 +365,16 @@ export const FeatureStrategyMenu = ({
                         environment={environmentId}
                         crProtected={crProtected}
                     />
+                    <ReleasePlanConfirmationDialog
+                        template={selectedTemplate}
+                        crProtected={crProtected}
+                        open={addReleasePlanConfirmationOpen}
+                        setOpen={setAddReleasePlanConfirmationOpen}
+                        onConfirm={() => {
+                            addReleasePlan(selectedTemplate, true);
+                        }}
+                    />
+                </>
             )}
         </StyledStrategyMenu>
     );

frontend/src/component/feature/FeatureStrategy/FeatureStrategyMenu/ReleasePlanConfirmationDialog.tsx

@@ -0,0 +1,35 @@
+import type React from 'react';
+import { Dialogue } from 'component/common/Dialogue/Dialogue';
+import type { IReleasePlanTemplate } from 'interfaces/releasePlans';
+
+interface IReleasePlanConfirmationDialogProps {
+    template: IReleasePlanTemplate;
+    crProtected: boolean;
+    open: boolean;
+    setOpen: React.Dispatch<React.SetStateAction<boolean>>;
+    onConfirm: () => void;
+}
+
+export const ReleasePlanConfirmationDialog = ({
+    template,
+    crProtected,
+    open,
+    setOpen,
+    onConfirm,
+}: IReleasePlanConfirmationDialogProps) => (
+    <Dialogue
+        title='Replace release plan?'
+        open={open}
+        primaryButtonText={
+            crProtected ? 'Add suggestion to draft' : 'Add release plan'
+        }
+        secondaryButtonText='Close'
+        onClick={onConfirm}
+        onClose={() => {
+            setOpen(false);
+        }}
+    >
+        This environment currently has a release plan added. Do you want to
+        replace it with <strong>{template.name}</strong>?
+    </Dialogue>
+);

frontend/src/component/feature/FeatureStrategy/FeatureStrategyMenu/ReleasePlanPreview.tsx

@@ -1,5 +1,8 @@
-import type { IReleasePlanTemplate } from 'interfaces/releasePlans';
-import { ReleasePlan } from './ReleasePlan.tsx';
+import type {
+    IReleasePlan,
+    IReleasePlanTemplate,
+} from 'interfaces/releasePlans';
+import { ReleasePlan } from '../../FeatureView/FeatureOverview/ReleasePlan/ReleasePlan.tsx';
 import { useReleasePlanPreview } from 'hooks/useReleasePlanPreview';
 import {
     styled,
@@ -9,9 +12,8 @@ import {
     DialogActions,
     Button,
 } from '@mui/material';
-import { useFeature } from 'hooks/api/getters/useFeature/useFeature';
-import { useReleasePlans } from 'hooks/api/getters/useReleasePlans/useReleasePlans';
 import ArrowBackIcon from '@mui/icons-material/ArrowBack';
+import { useFeature } from 'hooks/api/getters/useFeature/useFeature.ts';
 
 const StyledScrollableContent = styled(Box)(({ theme }) => ({
     width: theme.breakpoints.values.md,
@@ -38,6 +40,8 @@ interface IReleasePlanPreviewProps {
     projectId: string;
     featureName: string;
     environment: string;
+    environmentEnabled?: boolean;
+    activeReleasePlan?: IReleasePlan;
     crProtected?: boolean;
     onConfirm: () => void;
     onBack: () => void;
@@ -48,19 +52,12 @@ export const ReleasePlanPreview = ({
     projectId,
     featureName,
     environment,
+    activeReleasePlan,
     crProtected,
     onConfirm,
     onBack,
 }: IReleasePlanPreviewProps) => {
     const { feature } = useFeature(projectId, featureName);
-    const { releasePlans, loading } = useReleasePlans(
-        projectId,
-        featureName,
-        environment,
-    );
-
-    const activeReleasePlan = releasePlans[0];
-
     const environmentData = feature?.environments.find(
         ({ name }) => name === environment,
     );
@@ -72,8 +69,6 @@ export const ReleasePlanPreview = ({
         environment,
     );
 
-    if (loading) return null;
-
     return (
         <>
             <StyledSubHeader>
@@ -85,13 +80,17 @@ export const ReleasePlanPreview = ({
             <StyledScrollableContent>
                 {activeReleasePlan && (
                     <Box sx={{ px: 4, pb: 2 }}>
-                        <Alert severity='error'>
+                        <Alert severity='warning'>
                             This feature environment currently has{' '}
-                            <strong>{activeReleasePlan.name}</strong> -{' '}
+                            <strong>{activeReleasePlan.name}</strong> (
                             <strong>
-                                {activeReleasePlan.milestones[0].name}
+                                {activeReleasePlan.milestones.find(
+                                    ({ id }) =>
+                                        activeReleasePlan.activeMilestoneId ===
+                                        id,
+                                )?.name ?? activeReleasePlan.milestones[0].name}
                             </strong>
-                            {environmentEnabled ? ' running' : ' paused'}.
+                            ){environmentEnabled ? ' running' : ' paused'}.
                             Adding a new release plan will replace the existing
                             release plan.
                         </Alert>