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<title>BMC/OpenBmc/webui-vue.git/src/components/Composables/usePowerControl.ts, branch master</title>
<subtitle>Web-based user interface built on Vue.js for managing OpenBMC systems (mirror)</subtitle>
<id>https://git.radix-linux.su/BMC/OpenBmc/webui-vue.git/atom?h=master</id>
<link rel='self' href='https://git.radix-linux.su/BMC/OpenBmc/webui-vue.git/atom?h=master'/>
<link rel='alternate' type='text/html' href='https://git.radix-linux.su/BMC/OpenBmc/webui-vue.git/'/>
<updated>2026-06-09T16:55:25+00:00</updated>
<entry>
<title>Implemented Power page with VueQuery and Composition API</title>
<updated>2026-06-09T16:55:25+00:00</updated>
<author>
<name>Nikhil Ashoka</name>
<email>a.nikhil@ibm.com</email>
</author>
<published>2026-02-06T12:01:56+00:00</published>
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<id>urn:sha1:99099183438d878391f66d3c674fa2cd037a7840</id>
<content type='text'>
This change switches power control to the EnvironmentMetrics-based
Redfish endpoint, derives minimum and maximum power cap values
dynamically from Redfish data, and updates ControlMode and SetPoint
handling to align with the latest schema.

Key changes:

1. Power control API and Redfish types:
- Removes src/api/services/powerControlService.ts; fetching and
PATCH are handled in the composable using shared Redfish utilities
- Adds EnvironmentMetrics and PowerLimitWatts types in
src/api/types/redfish.ts with proper ControlMode enum
('Automatic' | 'Disabled' | 'Manual' | 'Override')
- Chassis gains an EnvironmentMetrics link
- Composable resolves the Chassis collection via
useRedfishCollection&lt;Chassis&gt;('/redfish/v1/Chassis'), picks the
first chassis with EnvironmentMetrics, and fetches that resource
with useQuery; mutation sends PATCH and invalidates queries to
refetch fresh server state (returns Promise&lt;void&gt;; view owns
user-facing messages)

2. Power control composable
(src/components/Composables/usePowerControl.ts):
- Replaces Vuex PowerControlStore with a Composition API-based
composable
- Uses useRedfishRoot() and useRedfishCollection for cached
ServiceRoot and Chassis; uses TanStack Query to load and cache
EnvironmentMetrics power data
- Configures staleTime (30s freshness window) and refetchInterval
(30s automatic polling when tab visible) for live power
consumption updates
- Note: Only controls the first Chassis with EnvironmentMetrics in
multi-chassis systems (intentional for current use case)
- Forwards AbortSignal to API calls for proper request cancellation
- Reuses shouldRetry function from useAllSubResources
- Derives dynamic min and max power cap values from Redfish
PowerLimitWatts.AllowableMin/Max
- Provides a mutation for submitting updated SetPoint and
ControlMode; omits SetPoint when disabling to avoid sending
invalid values
- Handles all ControlMode enum values (Automatic, Disabled, Manual,
Override); UI sets Automatic/Disabled but preserves Manual/Override
when read from server
- Type-safe parameters (number | null instead of string coercion)

3. Toast composable and global plugin:
- useToast.ts (renamed from .js) uses bootstrap-vue-next useToast()
with TypeScript types; keeps successToast/errorToast API with
i18n titles
- Type restricted to string for simplicity; includes TODO for
potential VNode support expansion if needed
- src/plugins/toast.js continues to expose global $toast for
Options API
- BVToastMixin.js updated to use modelValue and extract VNode
content for consistency with bootstrap-vue-next 0.40.8
- Both implementations use isStatus: true for consistent toast
styling with status icons

4. Views modernization:
- Refactors src/views/ResourceManagement/Power.vue to use
&lt;script setup&gt;, usePowerControl(), and the new toast composable;
submitForm uses try/catch and
t('pageServerPowerOperations.toast.*') for success/error toasts
- Implements value caching to preserve user's typed input when
toggling power cap checkbox on/off
- Guards form sync watcher with v$.value?.$dirty check to prevent
overwriting in-progress edits during background refetch
- Loader semantics: show on first load (isLoading) and mutations,
but render cached data instantly on subsequent visits with silent
background refetch (avoids flicker)
- Renamed validator from 'between' to 'withinPowerCapRange' to
avoid confusion with Vuelidate's built-in validator
- Handles all ControlMode values (Automatic, Disabled, Manual,
Override) in form state synchronization
- Refactors src/views/Overview/OverviewPower.vue to read from the
power control composable instead of Vuex; implements settled
computed to emit overview-power-complete only when chassis
collection is fetched AND either no EnvironmentMetrics exists or
metrics query has completed (prevents premature completion)
- Shows power cap for all active control modes (Automatic, Manual,
Override)
- Removes mapState/mapActions usage and related Vuex wiring

5. Store cleanup and typing:
- Deletes src/store/modules/ResourceManagement/PowerControlStore.js
- Removes PowerControlStore registration from src/store/index.js
- Updates src/store/api.d.ts to match actual implementation
(set_auth_token with snake_case, accepts string | null |
undefined)
- Adds src/i18n.d.ts to provide basic typing for the shared api

Tested-by: Manual testing on development server
- Power consumption and cap values load correctly from
  EnvironmentMetrics with automatic 30-second polling (refetchInterval)
  when tab is visible
- Min and max power cap values reflect dynamic limits from Redfish
- Updating the power cap and enable state sends correct SetPoint and
  ControlMode values; SetPoint is omitted when disabling
- All ControlMode values (Automatic, Disabled, Manual, Override) are
  handled correctly
- User's typed values are preserved when toggling power cap checkbox
- Form edits are not overwritten by background refetch (dirty state
  guard)
- Success/error toasts show localized messages with consistent
  modelValue-based timing and status icons
- Overview power card reflects updated power state; overview loader
  waits for both chassis and metrics queries to settle before
  completing
- Request cancellation works properly on component unmount

Change-Id: Ic61631efd8790150a5e2914822f1dd25bd77305a
Signed-off-by: Nikhil Ashoka &lt;a.nikhil@ibm.com&gt;
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