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1 | import { Injectable } from '@angular/core' | |
2 | import { PluginService } from '@app/core/plugins/plugin.service' | |
3 | import { ClientActionHookName, ClientFilterHookName } from '@shared/models/plugins/client-hook.model' | |
4 | import { from, Observable } from 'rxjs' | |
5 | import { mergeMap, switchMap } from 'rxjs/operators' | |
6 | import { ServerService } from '@app/core/server' | |
7 | import { PluginClientScope } from '@shared/models/plugins/plugin-client-scope.type' | |
8 | ||
9 | type RawFunction<U, T> = (params: U) => T | |
10 | type ObservableFunction<U, T> = RawFunction<U, Observable<T>> | |
11 | ||
12 | @Injectable() | |
13 | export class HooksService { | |
14 | constructor ( | |
15 | private server: ServerService, | |
16 | private pluginService: PluginService | |
17 | ) { } | |
18 | ||
19 | wrapObject<T, U extends ClientFilterHookName> (result: T, hookName: U) { | |
20 | return this.pluginService.runHook(hookName, result) | |
21 | } | |
22 | ||
23 | wrapObsFun | |
24 | <P, R, H1 extends ClientFilterHookName, H2 extends ClientFilterHookName> | |
25 | (fun: ObservableFunction<P, R>, params: P, scope: PluginClientScope, hookParamName: H1, hookResultName: H2) { | |
26 | return from(this.pluginService.ensurePluginsAreLoaded(scope)) | |
27 | .pipe( | |
28 | mergeMap(() => this.wrapObject(params, hookParamName)), | |
29 | switchMap(params => fun(params)), | |
30 | mergeMap(result => this.pluginService.runHook(hookResultName, result, params)) | |
31 | ) | |
32 | } | |
33 | ||
34 | async wrapFun<U, T, V extends ClientFilterHookName> (fun: RawFunction<U, T>, params: U, hookName: V) { | |
35 | const result = fun(params) | |
36 | ||
37 | return this.pluginService.runHook(hookName, result, params) | |
38 | } | |
39 | ||
40 | runAction<T, U extends ClientActionHookName> (hookName: U, scope: PluginClientScope, params?: T) { | |
41 | this.pluginService.ensurePluginsAreLoaded(scope) | |
42 | .then(() => this.pluginService.runHook(hookName, undefined, params)) | |
43 | .catch((err: any) => console.error('Fatal hook error.', { err })) | |
44 | } | |
45 | } |