| /** |
| * @license |
| * Copyright 2020 Google LLC |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| import { |
| AttemptChoice, |
| AttemptDetail, |
| createAttemptMap, |
| LATEST_ATTEMPT, |
| sortAttemptDetails, |
| } from './checks-util'; |
| import {assertIsDefined} from '../../utils/common-util'; |
| import {select} from '../../utils/observable-util'; |
| import { |
| BehaviorSubject, |
| combineLatest, |
| from, |
| Observable, |
| of, |
| Subject, |
| timer, |
| } from 'rxjs'; |
| import { |
| catchError, |
| filter, |
| switchMap, |
| take, |
| takeUntil, |
| takeWhile, |
| timeout, |
| throttleTime, |
| withLatestFrom, |
| } from 'rxjs/operators'; |
| import { |
| Action, |
| CheckResult as CheckResultApi, |
| CheckRun as CheckRunApi, |
| Link, |
| ChangeData, |
| ChecksApiConfig, |
| ChecksProvider, |
| FetchResponse, |
| ResponseCode, |
| Category, |
| RunStatus, |
| } from '../../api/checks'; |
| import {ChangeModel} from '../change/change-model'; |
| import {ChangeInfo, NumericChangeId, PatchSetNumber} from '../../types/common'; |
| import {getCurrentRevision} from '../../utils/change-util'; |
| import {getShaByPatchNum} from '../../utils/patch-set-util'; |
| import {ReportingService} from '../../services/gr-reporting/gr-reporting'; |
| import {Execution, Interaction, Timing} from '../../constants/reporting'; |
| import {fireAlert, fireEvent} from '../../utils/event-util'; |
| import {Model} from '../model'; |
| import {define} from '../dependency'; |
| import { |
| ChecksPlugin, |
| ChecksUpdate, |
| PluginsModel, |
| } from '../plugins/plugins-model'; |
| import {ChangeViewModel} from '../views/change'; |
| |
| /** |
| * The checks model maintains the state of checks for two patchsets: the latest |
| * and (if different) also for the one selected in the checks tab. So we need |
| * the distinction in a lot of places for checks about whether the code affects |
| * the checks data of the LATEST or the SELECTED patchset. |
| */ |
| export enum ChecksPatchset { |
| LATEST = 'LATEST', |
| SELECTED = 'SELECTED', |
| } |
| |
| export interface CheckResult extends CheckResultApi { |
| /** |
| * Internally we want to uniquely identify a run with an id, for example when |
| * efficiently re-rendering lists of runs in the UI. |
| */ |
| internalResultId: string; |
| } |
| |
| export interface CheckRun extends CheckRunApi { |
| /** |
| * For convenience we attach the name of the plugin to each run. |
| */ |
| pluginName: string; |
| /** |
| * Internally we want to uniquely identify a result with an id, for example |
| * when efficiently re-rendering lists of results in the UI. |
| */ |
| internalRunId: string; |
| /** |
| * Is this run attempt the latest attempt for the check, i.e. does it have |
| * the highest attempt number among all checks with the same name? |
| */ |
| isLatestAttempt: boolean; |
| /** |
| * Is this the only attempt for the check, i.e. we don't have data for other |
| * attempts? |
| */ |
| isSingleAttempt: boolean; |
| /** |
| * List of all attempts for the same check, ordered by attempt number. |
| */ |
| attemptDetails: AttemptDetail[]; |
| results?: CheckResult[]; |
| } |
| |
| // This is a convenience type for working with results, because when working |
| // with a bunch of results you will typically also want to know about the run |
| // properties. So you can just combine them with {...run, ...result}. |
| export type RunResult = CheckRun & CheckResult; |
| |
| export const checksModelToken = define<ChecksModel>('checks-model'); |
| |
| export interface ChecksProviderState { |
| pluginName: string; |
| loading: boolean; |
| /** |
| * Allows to distinguish whether loading:true is the *first* time of loading |
| * something for this provider. Or just a subsequent background update. |
| * Note that this is initially true even before loading is being set to true, |
| * so you may want to check loading && firstTimeLoad. |
| */ |
| firstTimeLoad: boolean; |
| /** Presence of errorMessage implicitly means that the provider is in ERROR state. */ |
| errorMessage?: string; |
| /** Presence of loginCallback implicitly means that the provider is in NOT_LOGGED_IN state. */ |
| loginCallback?: () => void; |
| summaryMessage?: string; |
| runs: CheckRun[]; |
| actions: Action[]; |
| links: Link[]; |
| } |
| |
| interface ChecksState { |
| /** Checks data for the latest patchset. */ |
| pluginStateLatest: { |
| [name: string]: ChecksProviderState; |
| }; |
| /** |
| * Checks data for the selected patchset. Note that `checksSelected$` below |
| * falls back to the data for the latest patchset, if no patchset is selected. |
| */ |
| pluginStateSelected: { |
| [name: string]: ChecksProviderState; |
| }; |
| } |
| |
| /** |
| * Android's Checks Plugin has a 15s timeout internally. So we are using |
| * something slightly larger, so that we get a proper error from the plugin, |
| * if they run into timeout issues. |
| */ |
| const FETCH_RESULT_TIMEOUT_MS = 16000; |
| |
| /** |
| * Can be used in `reduce()` to collect all results from all runs from all |
| * providers into one array. |
| */ |
| function collectRunResults( |
| allResults: RunResult[], |
| providerState: ChecksProviderState |
| ) { |
| return [ |
| ...allResults, |
| ...providerState.runs.reduce((results: RunResult[], run: CheckRun) => { |
| const runResults: RunResult[] = |
| run.results?.map(r => { |
| return {...run, ...r}; |
| }) ?? []; |
| return results.concat(runResults ?? []); |
| }, []), |
| ]; |
| } |
| |
| export interface ErrorMessages { |
| /* Maps plugin name to error message. */ |
| [name: string]: string; |
| } |
| |
| export class ChecksModel extends Model<ChecksState> { |
| private readonly providers: {[name: string]: ChecksProvider} = {}; |
| |
| private readonly reloadSubjects: {[name: string]: Subject<void>} = {}; |
| |
| private checkToPluginMap = new Map<string, string>(); |
| |
| // visible for testing |
| changeNum?: NumericChangeId; |
| |
| // visible for testing |
| latestPatchNum?: PatchSetNumber; |
| |
| private readonly documentVisibilityChange$ = new BehaviorSubject(undefined); |
| |
| private readonly reloadListener: () => void; |
| |
| private readonly visibilityChangeListener: () => void; |
| |
| public checksSelectedPatchsetNumber$ = select( |
| this.changeViewModel.checksPatchset$, |
| ps => ps |
| ); |
| |
| public checksSelectedAttemptNumber$ = select( |
| this.changeViewModel.attempt$, |
| attempt => attempt ?? LATEST_ATTEMPT |
| ); |
| |
| public runFilterRegexp$ = select( |
| this.changeViewModel.filter$, |
| filter => filter ?? '' |
| ); |
| |
| public checksLatest$ = select(this.state$, state => state.pluginStateLatest); |
| |
| public checksSelected$ = select( |
| combineLatest([this.state$, this.changeViewModel.checksPatchset$]), |
| ([state, ps]) => { |
| const checksPs = ps ? ChecksPatchset.SELECTED : ChecksPatchset.LATEST; |
| return this.getPluginState(state, checksPs); |
| } |
| ); |
| |
| public aPluginHasRegistered$ = select( |
| this.checksLatest$, |
| state => Object.keys(state).length > 0 |
| ); |
| |
| private firstLoadCompleted$ = select(this.checksLatest$, state => { |
| const providers = Object.values(state); |
| if (providers.length === 0) return false; |
| if (providers.some(p => p.loading || p.firstTimeLoad)) return false; |
| return true; |
| }); |
| |
| public someProvidersAreLoadingFirstTime$ = select(this.checksLatest$, state => |
| Object.values(state).some( |
| provider => provider.loading && provider.firstTimeLoad |
| ) |
| ); |
| |
| public someProvidersAreLoadingLatest$ = select(this.checksLatest$, state => |
| Object.values(state).some(providerState => providerState.loading) |
| ); |
| |
| public someProvidersAreLoadingSelected$ = select( |
| this.checksSelected$, |
| state => Object.values(state).some(providerState => providerState.loading) |
| ); |
| |
| public errorMessageLatest$ = select( |
| this.checksLatest$, |
| |
| state => |
| Object.values(state).find( |
| providerState => providerState.errorMessage !== undefined |
| )?.errorMessage |
| ); |
| |
| public errorMessagesLatest$ = select(this.checksLatest$, state => { |
| const errorMessages: ErrorMessages = {}; |
| for (const providerState of Object.values(state)) { |
| if (providerState.errorMessage === undefined) continue; |
| errorMessages[providerState.pluginName] = providerState.errorMessage; |
| } |
| return errorMessages; |
| }); |
| |
| public loginCallbackLatest$ = select( |
| this.checksLatest$, |
| state => |
| Object.values(state).find( |
| providerState => providerState.loginCallback !== undefined |
| )?.loginCallback |
| ); |
| |
| public topLevelActionsLatest$ = select(this.checksLatest$, state => |
| Object.values(state).reduce( |
| (allActions: Action[], providerState: ChecksProviderState) => [ |
| ...allActions, |
| ...providerState.actions, |
| ], |
| [] |
| ) |
| ); |
| |
| public topLevelMessagesLatest$ = select(this.checksLatest$, state => { |
| const messages = Object.values(state).map( |
| providerState => providerState.summaryMessage |
| ); |
| return messages.filter(m => !!m) as string[]; |
| }); |
| |
| public topLevelActionsSelected$ = select(this.checksSelected$, state => |
| Object.values(state).reduce( |
| (allActions: Action[], providerState: ChecksProviderState) => [ |
| ...allActions, |
| ...providerState.actions, |
| ], |
| [] |
| ) |
| ); |
| |
| public topLevelLinksSelected$ = select(this.checksSelected$, state => |
| Object.values(state).reduce( |
| (allLinks: Link[], providerState: ChecksProviderState) => [ |
| ...allLinks, |
| ...providerState.links, |
| ], |
| [] |
| ) |
| ); |
| |
| public allRunsLatestPatchset$ = select(this.checksLatest$, state => |
| Object.values(state).reduce( |
| (allRuns: CheckRun[], providerState: ChecksProviderState) => [ |
| ...allRuns, |
| ...providerState.runs, |
| ], |
| [] |
| ) |
| ); |
| |
| public allRunsSelectedPatchset$ = select(this.checksSelected$, state => |
| Object.values(state).reduce( |
| (allRuns: CheckRun[], providerState: ChecksProviderState) => [ |
| ...allRuns, |
| ...providerState.runs, |
| ], |
| [] |
| ) |
| ); |
| |
| public allRunsLatestPatchsetLatestAttempt$ = select( |
| this.allRunsLatestPatchset$, |
| runs => runs.filter(run => run.isLatestAttempt) |
| ); |
| |
| public checkToPluginMap$ = select(this.checksLatest$, state => { |
| const map = new Map<string, string>(); |
| for (const [pluginName, providerState] of Object.entries(state)) { |
| for (const run of providerState.runs) { |
| map.set(run.checkName, pluginName); |
| } |
| } |
| return map; |
| }); |
| |
| public allResultsSelected$ = select(this.checksSelected$, state => |
| Object.values(state) |
| .reduce(collectRunResults, []) |
| .filter(r => r !== undefined) |
| ); |
| |
| public allResultsLatest$ = select(this.checksLatest$, state => |
| Object.values(state) |
| .reduce(collectRunResults, []) |
| .filter(r => r !== undefined) |
| ); |
| |
| public allResults$ = select( |
| combineLatest([ |
| this.checksSelectedPatchsetNumber$, |
| this.allResultsSelected$, |
| this.allResultsLatest$, |
| ]), |
| ([selectedPs, selected, latest]) => |
| selectedPs ? [...selected, ...latest] : latest |
| ); |
| |
| constructor( |
| private readonly changeViewModel: ChangeViewModel, |
| private readonly changeModel: ChangeModel, |
| private readonly reporting: ReportingService, |
| private readonly pluginsModel: PluginsModel |
| ) { |
| super({ |
| pluginStateLatest: {}, |
| pluginStateSelected: {}, |
| }); |
| this.reporting.time(Timing.CHECKS_LOAD); |
| this.subscriptions = [ |
| this.changeModel.changeNum$.subscribe(x => (this.changeNum = x)), |
| this.changeModel.latestPatchNum$.subscribe( |
| x => (this.latestPatchNum = x) |
| ), |
| this.pluginsModel.checksPlugins$.subscribe(plugins => { |
| for (const plugin of plugins) { |
| this.register(plugin); |
| } |
| }), |
| this.pluginsModel.checksAnnounce$.subscribe(a => |
| this.reload(a.pluginName) |
| ), |
| this.pluginsModel.checksUpdate$.subscribe(u => this.updateResult(u)), |
| this.checkToPluginMap$.subscribe(map => { |
| this.checkToPluginMap = map; |
| }), |
| this.firstLoadCompleted$ |
| .pipe( |
| filter(completed => !!completed), |
| take(1), |
| withLatestFrom(this.checksLatest$) |
| ) |
| .subscribe(([_, state]) => this.reportStats(state)), |
| ]; |
| this.visibilityChangeListener = () => { |
| this.documentVisibilityChange$.next(undefined); |
| }; |
| document.addEventListener( |
| 'visibilitychange', |
| this.visibilityChangeListener |
| ); |
| this.reloadListener = () => this.reloadAll(); |
| document.addEventListener('reload', this.reloadListener); |
| } |
| |
| private reportStats(state: {[name: string]: ChecksProviderState}) { |
| const stats = { |
| providerCount: 0, |
| providerErrorCount: 0, |
| providerLoginCount: 0, |
| providerActionCount: 0, |
| providerLinkCount: 0, |
| errorCount: 0, |
| warningCount: 0, |
| infoCount: 0, |
| successCount: 0, |
| runnableCount: 0, |
| scheduledCount: 0, |
| runningCount: 0, |
| completedCount: 0, |
| }; |
| const providers = Object.values(state); |
| for (const provider of providers) { |
| stats.providerCount++; |
| if (provider.errorMessage) stats.providerErrorCount++; |
| if (provider.loginCallback) stats.providerLoginCount++; |
| if (provider.actions?.length) stats.providerActionCount++; |
| if (provider.links?.length) stats.providerLinkCount++; |
| for (const run of provider.runs) { |
| if (run.status === RunStatus.RUNNABLE) stats.runnableCount++; |
| if (run.status === RunStatus.SCHEDULED) stats.scheduledCount++; |
| if (run.status === RunStatus.RUNNING) stats.runningCount++; |
| if (run.status === RunStatus.COMPLETED) stats.completedCount++; |
| for (const result of run.results ?? []) { |
| if (result.category === Category.ERROR) stats.errorCount++; |
| if (result.category === Category.WARNING) stats.warningCount++; |
| if (result.category === Category.INFO) stats.infoCount++; |
| if (result.category === Category.SUCCESS) stats.successCount++; |
| } |
| } |
| } |
| this.reporting.timeEnd(Timing.CHECKS_LOAD, stats); |
| this.reporting.reportInteraction(Interaction.CHECKS_STATS, stats); |
| } |
| |
| override finalize() { |
| document.removeEventListener('reload', this.reloadListener); |
| document.removeEventListener( |
| 'visibilitychange', |
| this.visibilityChangeListener |
| ); |
| super.finalize(); |
| } |
| |
| // Must only be used by the checks service or whatever is in control of this |
| // model. |
| updateStateSetProvider(pluginName: string, patchset: ChecksPatchset) { |
| const nextState = {...this.getState()}; |
| const pluginState = this.getPluginState(nextState, patchset); |
| pluginState[pluginName] = { |
| pluginName, |
| loading: false, |
| firstTimeLoad: true, |
| runs: [], |
| actions: [], |
| links: [], |
| }; |
| this.setState(nextState); |
| } |
| |
| getPluginState( |
| state: ChecksState, |
| patchset: ChecksPatchset = ChecksPatchset.LATEST |
| ) { |
| if (patchset === ChecksPatchset.LATEST) { |
| state.pluginStateLatest = {...state.pluginStateLatest}; |
| return state.pluginStateLatest; |
| } else { |
| state.pluginStateSelected = {...state.pluginStateSelected}; |
| return state.pluginStateSelected; |
| } |
| } |
| |
| updateStateSetLoading(pluginName: string, patchset: ChecksPatchset) { |
| const nextState = {...this.getState()}; |
| const pluginState = this.getPluginState(nextState, patchset); |
| pluginState[pluginName] = { |
| ...pluginState[pluginName], |
| loading: true, |
| }; |
| this.setState(nextState); |
| } |
| |
| updateStateSetError( |
| pluginName: string, |
| errorMessage: string, |
| patchset: ChecksPatchset |
| ) { |
| const nextState = {...this.getState()}; |
| const pluginState = this.getPluginState(nextState, patchset); |
| pluginState[pluginName] = { |
| ...pluginState[pluginName], |
| loading: false, |
| firstTimeLoad: false, |
| errorMessage, |
| loginCallback: undefined, |
| runs: [], |
| actions: [], |
| }; |
| this.setState(nextState); |
| } |
| |
| updateStateSetNotLoggedIn( |
| pluginName: string, |
| loginCallback: () => void, |
| patchset: ChecksPatchset |
| ) { |
| const nextState = {...this.getState()}; |
| const pluginState = this.getPluginState(nextState, patchset); |
| pluginState[pluginName] = { |
| ...pluginState[pluginName], |
| loading: false, |
| firstTimeLoad: false, |
| errorMessage: undefined, |
| loginCallback, |
| runs: [], |
| actions: [], |
| }; |
| this.setState(nextState); |
| } |
| |
| updateStateSetResults( |
| pluginName: string, |
| runs: CheckRunApi[], |
| actions: Action[] = [], |
| links: Link[] = [], |
| summaryMessage: string | undefined, |
| patchset: ChecksPatchset |
| ) { |
| // Protect against plugins not respecting required fields. |
| runs = runs.filter(run => !!run.checkName && !!run.status); |
| const attemptMap = createAttemptMap(runs); |
| for (const attemptInfo of attemptMap.values()) { |
| attemptInfo.attempts.sort(sortAttemptDetails); |
| } |
| const nextState = {...this.getState()}; |
| const pluginState = this.getPluginState(nextState, patchset); |
| const oldState = pluginState[pluginName]; |
| pluginState[pluginName] = { |
| ...oldState, |
| loading: false, |
| firstTimeLoad: oldState.loading ? false : oldState.firstTimeLoad, |
| errorMessage: undefined, |
| loginCallback: undefined, |
| runs: runs.map(run => { |
| const runId = `${run.checkName}-${run.change}-${run.patchset}-${run.attempt}`; |
| const attemptInfo = attemptMap.get(run.checkName); |
| assertIsDefined(attemptInfo, 'attemptInfo'); |
| return { |
| ...run, |
| attempt: run.attempt ?? 0, |
| pluginName, |
| internalRunId: runId, |
| isLatestAttempt: attemptInfo.latestAttempt === (run.attempt ?? 0), |
| isSingleAttempt: attemptInfo.isSingleAttempt, |
| attemptDetails: attemptInfo.attempts, |
| results: (run.results ?? []).map((result, i) => { |
| return { |
| ...result, |
| internalResultId: `${runId}-${i}`, |
| }; |
| }), |
| }; |
| }), |
| actions: [...actions], |
| links: [...links], |
| summaryMessage, |
| }; |
| this.setState(nextState); |
| } |
| |
| updateStateUpdateResult( |
| pluginName: string, |
| updatedRun: CheckRunApi, |
| updatedResult: CheckResultApi, |
| patchset: ChecksPatchset |
| ) { |
| const nextState = {...this.getState()}; |
| const pluginState = this.getPluginState(nextState, patchset); |
| let runUpdated = false; |
| const runs: CheckRun[] = pluginState[pluginName].runs.map(run => { |
| if (run.change !== updatedRun.change) return run; |
| if (run.patchset !== updatedRun.patchset) return run; |
| if (run.attempt !== updatedRun.attempt) return run; |
| if (run.checkName !== updatedRun.checkName) return run; |
| let resultUpdated = false; |
| const results: CheckResult[] = (run.results ?? []).map(result => { |
| if ( |
| result.externalId && |
| result.externalId === updatedResult.externalId |
| ) { |
| runUpdated = true; |
| resultUpdated = true; |
| return { |
| ...updatedResult, |
| internalResultId: result.internalResultId, |
| }; |
| } |
| return result; |
| }); |
| return resultUpdated ? {...run, results} : run; |
| }); |
| if (!runUpdated) return; |
| pluginState[pluginName] = { |
| ...pluginState[pluginName], |
| runs, |
| }; |
| this.setState(nextState); |
| } |
| |
| updateStateSetPatchset(num?: PatchSetNumber) { |
| const newPatchset = num === this.latestPatchNum ? undefined : num; |
| const oldPatchset = this.changeViewModel.getState()?.checksPatchset; |
| // For `checksPatchset` itself we could just let updateState() do the |
| // standard old===new comparison. But we have to make sure here that |
| // the attempt reset only actually happens when a new patchset is chosen. |
| if (newPatchset === oldPatchset) return; |
| this.changeViewModel.updateState({ |
| checksPatchset: newPatchset, |
| attempt: LATEST_ATTEMPT, |
| }); |
| } |
| |
| updateStateSetAttempt(attemptNumberSelected: AttemptChoice) { |
| this.changeViewModel.updateState({attempt: attemptNumberSelected}); |
| } |
| |
| updateStateSetRunFilter(runFilterRegexp: string) { |
| this.changeViewModel.updateState({filter: runFilterRegexp}); |
| } |
| |
| reload(pluginName: string) { |
| this.reloadSubjects[pluginName].next(); |
| } |
| |
| reloadAll() { |
| for (const key of Object.keys(this.providers)) { |
| this.reload(key); |
| } |
| } |
| |
| reloadForCheck(checkName?: string) { |
| if (!checkName) return; |
| const plugin = this.checkToPluginMap.get(checkName); |
| if (plugin) this.reload(plugin); |
| } |
| |
| updateResult(update: ChecksUpdate) { |
| const {pluginName, run, result} = update; |
| this.updateStateUpdateResult( |
| pluginName, |
| run, |
| result, |
| ChecksPatchset.LATEST |
| ); |
| this.updateStateUpdateResult( |
| pluginName, |
| run, |
| result, |
| ChecksPatchset.SELECTED |
| ); |
| } |
| |
| triggerAction(action: Action, run: CheckRun | undefined, context: string) { |
| if (!action?.callback) return; |
| if (!this.changeNum) return; |
| const patchSet = run?.patchset ?? this.latestPatchNum; |
| if (!patchSet) return; |
| this.reporting.reportInteraction(Interaction.CHECKS_ACTION_TRIGGERED, { |
| checkName: run?.checkName, |
| actionName: action.name, |
| context, |
| }); |
| const promise = action.callback( |
| this.changeNum, |
| patchSet, |
| run?.attempt, |
| run?.externalId, |
| run?.checkName, |
| action.name |
| ); |
| // If plugins return undefined or not a promise, then show no toast. |
| if (!promise?.then) return; |
| |
| fireAlert(document, `Triggering action '${action.name}' ...`); |
| from(promise) |
| // If the action takes longer than 5 seconds, then most likely the |
| // user is either not interested or the result not relevant anymore. |
| .pipe(takeUntil(timer(5000))) |
| .subscribe(result => { |
| if (result.errorMessage || result.message) { |
| fireAlert(document, `${result.message ?? result.errorMessage}`); |
| } else { |
| fireEvent(document, 'hide-alert'); |
| } |
| if (result.shouldReload) { |
| this.reloadForCheck(run?.checkName); |
| } |
| }); |
| } |
| |
| register(checksPlugin: ChecksPlugin) { |
| const {pluginName, provider, config} = checksPlugin; |
| if (this.providers[pluginName]) { |
| console.warn( |
| `Plugin '${pluginName}' was trying to register twice as a Checks UI provider. Ignored.` |
| ); |
| return; |
| } |
| this.providers[pluginName] = provider; |
| this.reloadSubjects[pluginName] = new BehaviorSubject<void>(undefined); |
| this.updateStateSetProvider(pluginName, ChecksPatchset.LATEST); |
| this.updateStateSetProvider(pluginName, ChecksPatchset.SELECTED); |
| this.initFetchingOfData(pluginName, config, ChecksPatchset.LATEST); |
| this.initFetchingOfData(pluginName, config, ChecksPatchset.SELECTED); |
| } |
| |
| initFetchingOfData( |
| pluginName: string, |
| config: ChecksApiConfig, |
| patchset: ChecksPatchset |
| ) { |
| const pollIntervalMs = (config?.fetchPollingIntervalSeconds ?? 60) * 1000; |
| // Various events should trigger fetching checks from the provider: |
| // 1. Change number and patchset number changes. |
| // 2. Specific reload requests. |
| // 3. Regular polling starting with an initial fetch right now. |
| // 4. A hidden Gerrit tab becoming visible. |
| this.subscriptions.push( |
| combineLatest([ |
| this.changeModel.change$, |
| patchset === ChecksPatchset.LATEST |
| ? this.changeModel.latestPatchNum$ |
| : this.checksSelectedPatchsetNumber$, |
| this.reloadSubjects[pluginName], |
| pollIntervalMs === 0 ? from([0]) : timer(0, pollIntervalMs), |
| this.documentVisibilityChange$, |
| ]) |
| .pipe( |
| takeWhile(_ => !!this.providers[pluginName]), |
| filter(_ => document.visibilityState !== 'hidden'), |
| throttleTime(500, undefined, {leading: true, trailing: true}), |
| switchMap(([change, patchNum]): Observable<FetchResponse> => { |
| if (!change || !patchNum) return of(this.empty()); |
| if (typeof patchNum !== 'number') return of(this.empty()); |
| assertIsDefined(change.revisions, 'change.revisions'); |
| const patchsetSha = getShaByPatchNum(change.revisions, patchNum); |
| // Sometimes patchNum is updated earlier than change, so change |
| // revisions don't have patchNum yet |
| if (!patchsetSha) return of(this.empty()); |
| const data: ChangeData = { |
| changeNumber: change?._number, |
| patchsetNumber: patchNum, |
| patchsetSha, |
| repo: change.project, |
| commitMessage: getCurrentRevision(change)?.commit?.message, |
| changeInfo: change as ChangeInfo, |
| }; |
| return this.fetchResults(pluginName, data, patchset); |
| }), |
| catchError(e => { |
| // This should not happen and is really severe, because it means that |
| // the Observable has terminated and we won't recover from that. No |
| // further attempts to fetch results for this plugin will be made. |
| this.reporting.error(`checks-model crash for ${pluginName}`, e); |
| return of(this.createErrorResponse(pluginName, e)); |
| }) |
| ) |
| .subscribe(response => { |
| switch (response.responseCode) { |
| case ResponseCode.ERROR: { |
| const message = response.errorMessage ?? '-'; |
| this.reporting.reportExecution(Execution.CHECKS_API_ERROR, { |
| plugin: pluginName, |
| message, |
| }); |
| this.updateStateSetError(pluginName, message, patchset); |
| break; |
| } |
| case ResponseCode.NOT_LOGGED_IN: { |
| assertIsDefined(response.loginCallback, 'loginCallback'); |
| this.reporting.reportExecution( |
| Execution.CHECKS_API_NOT_LOGGED_IN, |
| { |
| plugin: pluginName, |
| } |
| ); |
| this.updateStateSetNotLoggedIn( |
| pluginName, |
| response.loginCallback, |
| patchset |
| ); |
| break; |
| } |
| case ResponseCode.OK: { |
| this.updateStateSetResults( |
| pluginName, |
| response.runs ?? [], |
| response.actions ?? [], |
| response.links ?? [], |
| response.summaryMessage, |
| patchset |
| ); |
| break; |
| } |
| } |
| }) |
| ); |
| } |
| |
| private empty(): FetchResponse { |
| return { |
| responseCode: ResponseCode.OK, |
| runs: [], |
| }; |
| } |
| |
| private createErrorResponse(pluginName: string, error: Error): FetchResponse { |
| return { |
| responseCode: ResponseCode.ERROR, |
| errorMessage: |
| `Error message from plugin '${pluginName}':` + |
| ` ${JSON.stringify(error)}`, |
| }; |
| } |
| |
| private fetchResults( |
| pluginName: string, |
| data: ChangeData, |
| patchset: ChecksPatchset |
| ): Observable<FetchResponse> { |
| this.updateStateSetLoading(pluginName, patchset); |
| const timer = this.reporting.getTimer('ChecksPluginFetch'); |
| const fetchPromise = this.providers[pluginName] |
| .fetch(data) |
| .then(response => { |
| timer.end({pluginName}); |
| return response; |
| }); |
| |
| return from(fetchPromise) |
| .pipe(timeout(FETCH_RESULT_TIMEOUT_MS)) |
| .pipe(catchError(e => of(this.createErrorResponse(pluginName, e)))); |
| } |
| } |
