initial commit

projects/mastolists/src/app/shared/services/list.service.ts

@@ -0,0 +1,79 @@
+import {Injectable} from '@angular/core';
+import {EMPTY, expand, map, Observable, reduce, take} from "rxjs";
+import {MastodonApiListsService} from "../../../../../mastodon-api/src/lib/services/mastodon-api-lists.service";
+import {PersistentStore} from "../state/persistent/persistent-store.service";
+import {Account} from "../../../../../mastodon-api/src/lib/interfaces/public/account";
+import {List} from "../../../../../mastodon-api/src/lib/interfaces/public/list";
+
+@Injectable({
+    providedIn: 'root'
+})
+export class ListService {
+
+    constructor(private mastodonApiListsService: MastodonApiListsService,
+                private store: PersistentStore) {
+    }
+
+    loadLists(): Observable<List[]> {
+        const applicationState = this.store.value;
+        const instanceName = applicationState.currentInstance?.instanceName;
+        const accessToken = applicationState.currentInstance?.accessToken;
+        return this.mastodonApiListsService
+            .getLists(instanceName, accessToken!)
+            .pipe(map(result => result.sort((a, b) => a.title.localeCompare(b.title))));
+    }
+
+    loadAccountsIdsForList(listId: string): Observable<{ [id: string]: string[] }> {
+        const applicationState = this.store.value;
+        const instanceName = applicationState.currentInstance?.instanceName;
+        const accessToken = applicationState.currentInstance?.accessToken;
+        return this.mastodonApiListsService
+            .getAccountsForList(instanceName, accessToken!, listId)
+            .pipe(
+                expand(result => {
+                    const nextLink = result[0];
+                    if (nextLink && nextLink.length > 0) {
+                        return this.mastodonApiListsService.getAccountsForList(instanceName, accessToken!, listId, nextLink);
+                    }
+                    return EMPTY;
+                }),
+                map(result => {
+                        const accounts = result[1];
+                        return {[listId]: accounts.map(account => account.id)};
+                    }
+                ),
+                reduce((acc: { [listId: string]: string[] }, res: { [listId: string]: string[] }) => {
+                    const listId = Object.keys(res)[0];
+                    if (acc[listId] !== undefined && acc[listId].length > 0) {
+                        acc[listId] = acc[listId].concat(res[listId]);
+                        return acc;
+                    }
+                    return {...acc, ...res};
+                }, {}),
+            );
+    }
+
+    addAccountToSelectedList(accountId: string, listId: string) {
+        const applicationState = this.store.value;
+        const instanceName = applicationState.currentInstance?.instanceName;
+        const accessToken = applicationState.currentInstance?.accessToken;
+        return this.mastodonApiListsService
+            .addAccountToList(instanceName, accessToken!, listId, accountId)
+            .pipe(
+                take(1),
+            );
+    }
+
+    removeAccountFromList(accountId: string, listId: string) {
+        const applicationState = this.store.value;
+        const instanceName = applicationState.currentInstance?.instanceName;
+        const accessToken = applicationState.currentInstance?.accessToken;
+        return this.mastodonApiListsService
+            .removeAccountFromList(instanceName, accessToken!, listId, accountId)
+            .pipe(
+                take(1),
+            )
+    }
+
+}
+