"Fossies" - the Fresh Open Source Software Archive  

Source code changes of the file "src/app/shared/theme-support/theme.effects.ts" between
dspace-angular-dspace-7.0.tar.gz and dspace-angular-dspace-7.1.tar.gz

About: dspace-angular is the Angular-based frontend of DSpace, a digital repository system to capture, store, index, preserve and redistribute an organization’s research material in digital formats.

theme.effects.ts  (dspace-angular-dspace-7.0):theme.effects.ts  (dspace-angular-dspace-7.1)
import { Injectable } from '@angular/core'; import { Injectable } from '@angular/core';
import { createEffect, Actions, ofType, ROOT_EFFECTS_INIT } from '@ngrx/effects' ; import { createEffect, Actions, ofType, ROOT_EFFECTS_INIT } from '@ngrx/effects' ;
import { ROUTER_NAVIGATED, RouterNavigatedAction } from '@ngrx/router-store'; import { map } from 'rxjs/operators';
import { map, withLatestFrom, expand, switchMap, toArray, startWith, filter } fr
om 'rxjs/operators';
import { SetThemeAction } from './theme.actions'; import { SetThemeAction } from './theme.actions';
import { environment } from '../../../environments/environment'; import { environment } from '../../../environments/environment';
import { ThemeConfig, themeFactory, Theme, } from '../../../config/theme.model'; import { hasValue, hasNoValue } from '../empty.util';
import { hasValue, isNotEmpty, hasNoValue } from '../empty.util';
import { NoOpAction } from '../ngrx/no-op.action';
import { Store, select } from '@ngrx/store';
import { ThemeState } from './theme.reducer';
import { currentThemeSelector } from './theme.service';
import { of as observableOf, EMPTY, Observable } from 'rxjs';
import { ResolverActionTypes, ResolvedAction } from '../../core/resolving/resolv
er.actions';
import { followLink } from '../utils/follow-link-config.model';
import { RemoteData } from '../../core/data/remote-data';
import { DSpaceObject } from '../../core/shared/dspace-object.model';
import { getFirstCompletedRemoteData } from '../../core/shared/operators';
import { LinkService } from '../../core/cache/builders/link.service';
import { BASE_THEME_NAME } from './theme.constants'; import { BASE_THEME_NAME } from './theme.constants';
export const DEFAULT_THEME_CONFIG = environment.themes.find((themeConfig: any) = > export const DEFAULT_THEME_CONFIG = environment.themes.find((themeConfig: any) = >
hasNoValue(themeConfig.regex) && hasNoValue(themeConfig.regex) &&
hasNoValue(themeConfig.handle) && hasNoValue(themeConfig.handle) &&
hasNoValue(themeConfig.uuid) hasNoValue(themeConfig.uuid)
); );
@Injectable() @Injectable()
export class ThemeEffects { export class ThemeEffects {
/** /**
* The list of configured themes
*/
themes: Theme[];
/**
* True if at least one theme depends on the route
*/
hasDynamicTheme: boolean;
/**
* Initialize with a theme that doesn't depend on the route. * Initialize with a theme that doesn't depend on the route.
*/ */
initTheme$ = createEffect(() => initTheme$ = createEffect(() =>
this.actions$.pipe( this.actions$.pipe(
ofType(ROOT_EFFECTS_INIT), ofType(ROOT_EFFECTS_INIT),
map(() => { map(() => {
if (hasValue(DEFAULT_THEME_CONFIG)) { if (hasValue(DEFAULT_THEME_CONFIG)) {
return new SetThemeAction(DEFAULT_THEME_CONFIG.name); return new SetThemeAction(DEFAULT_THEME_CONFIG.name);
} else { } else {
return new SetThemeAction(BASE_THEME_NAME); return new SetThemeAction(BASE_THEME_NAME);
} }
}) })
) )
); );
/**
* An effect that fires when a route change completes,
* and determines whether or not the theme should change
*/
updateThemeOnRouteChange$ = createEffect(() => this.actions$.pipe(
// Listen for when a route change ends
ofType(ROUTER_NAVIGATED),
withLatestFrom(
// Pull in the latest resolved action, or undefined if none was dispatch
ed yet
this.actions$.pipe(ofType(ResolverActionTypes.RESOLVED), startWith(undef
ined)),
// and the current theme from the store
this.store.pipe(select(currentThemeSelector))
),
switchMap(([navigatedAction, resolvedAction, currentTheme]: [RouterNavigat
edAction, ResolvedAction, string]) => {
if (this.hasDynamicTheme === true && isNotEmpty(this.themes)) {
const currentRouteUrl = navigatedAction.payload.routerState.url;
// If resolvedAction exists, and deals with the current url
if (hasValue(resolvedAction) && resolvedAction.payload.url === current
RouteUrl) {
// Start with the resolved dso and go recursively through its parent
s until you reach the top-level community
return observableOf(resolvedAction.payload.dso).pipe(
this.getAncestorDSOs(),
map((dsos: DSpaceObject[]) => {
const dsoMatch = this.matchThemeToDSOs(dsos, currentRouteUrl);
return this.getActionForMatch(dsoMatch, currentTheme);
})
);
}
// check whether the route itself matches
const routeMatch = this.themes.find((theme: Theme) => theme.matches(cu
rrentRouteUrl, undefined));
return [this.getActionForMatch(routeMatch, currentTheme)];
}
// If there are no themes configured, do nothing
return [new NoOpAction()];
})
)
);
/**
* return the action to dispatch based on the given matching theme
*
* @param newTheme The theme to create an action for
* @param currentThemeName The name of the currently active theme
* @private
*/
private getActionForMatch(newTheme: Theme, currentThemeName: string): SetTheme
Action | NoOpAction {
if (hasValue(newTheme) && newTheme.config.name !== currentThemeName) {
// If we have a match, and it isn't already the active theme, set it as th
e new theme
return new SetThemeAction(newTheme.config.name);
} else {
// Otherwise, do nothing
return new NoOpAction();
}
}
/**
* Check the given DSpaceObjects in order to see if they match the configured
themes in order.
* If a match is found, the matching theme is returned
*
* @param dsos The DSpaceObjects to check
* @param currentRouteUrl The url for the current route
* @private
*/
private matchThemeToDSOs(dsos: DSpaceObject[], currentRouteUrl: string): Theme
{
// iterate over the themes in order, and return the first one that matches
return this.themes.find((theme: Theme) => {
// iterate over the dsos's in order (most specific one first, so Item, Col
lection,
// Community), and return the first one that matches the current theme
const match = dsos.find((dso: DSpaceObject) => theme.matches(currentRouteU
rl, dso));
return hasValue(match);
});
}
/**
* An rxjs operator that will return an array of all the ancestors of the DSpa
ceObject used as
* input. The initial DSpaceObject will be the first element of the output arr
ay, followed by
* its parent, its grandparent etc
*
* @private
*/
private getAncestorDSOs() {
return (source: Observable<DSpaceObject>): Observable<DSpaceObject[]> =>
source.pipe(
expand((dso: DSpaceObject) => {
// Check if the dso exists and has a parent link
if (hasValue(dso) && typeof (dso as any).getParentLinkKey === 'functio
n') {
const linkName = (dso as any).getParentLinkKey();
// If it does, retrieve it.
return this.linkService.resolveLinkWithoutAttaching<DSpaceObject, DS
paceObject>(dso, followLink(linkName)).pipe(
getFirstCompletedRemoteData(),
map((rd: RemoteData<DSpaceObject>) => {
if (hasValue(rd.payload)) {
// If there's a parent, use it for the next iteration
return rd.payload;
} else {
// If there's no parent, or an error, return null, which will
stop recursion
// in the next iteration
return null;
}
}),
);
}
// The current dso has no value, or no parent. Return EMPTY to stop re
cursion
return EMPTY;
}),
// only allow through DSOs that have a value
filter((dso: DSpaceObject) => hasValue(dso)),
// Wait for recursion to complete, and emit all results at once, in an a
rray
toArray()
);
}
constructor( constructor(
private actions$: Actions, private actions$: Actions,
private store: Store<ThemeState>,
private linkService: LinkService,
) { ) {
// Create objects from the theme configs in the environment file
this.themes = environment.themes.map((themeConfig: ThemeConfig) => themeFact
ory(themeConfig));
this.hasDynamicTheme = environment.themes.some((themeConfig: any) =>
hasValue(themeConfig.regex) ||
hasValue(themeConfig.handle) ||
hasValue(themeConfig.uuid)
);
} }
} }
 End of changes. 6 change blocks. 
172 lines changed or deleted 2 lines changed or added

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