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mediarepo/mediarepo-ui/src/app/services/file/file.service.ts

64 lines
2.2 KiB
TypeScript

import {Inject, Injectable} from '@angular/core';
import {BehaviorSubject} from "rxjs";
import {File} from "../../models/File";
import {invoke} from "@tauri-apps/api/tauri";
import {DomSanitizer, SafeResourceUrl} from "@angular/platform-browser";
import {Thumbnail} from "../../models/Thumbnail";
import {TagQuery} from "../../models/TagQuery";
import {SortKey} from "../../models/SortKey";
import {RepositoryService} from "../repository/repository.service";
import {FilterExpression} from "../../models/FilterExpression";
@Injectable({
providedIn: 'root'
})
export class FileService {
displayedFiles = new BehaviorSubject<File[]>([]);
thumbnailCache: {[key: number]: Thumbnail[]} = {};
constructor(@Inject(DomSanitizer) private sanitizer: DomSanitizer, private repoService: RepositoryService) {
repoService.selectedRepository.subscribe(_ => this.clearCache());
}
public clearCache() {
this.thumbnailCache = {};
}
public async getFiles() {
let all_files = await invoke<File[]>("plugin:mediarepo|get_all_files");
this.displayedFiles.next(all_files);
}
public async findFiles(filters: FilterExpression[], sortBy: SortKey[]) {
console.log(filters);
let files = await invoke<File[]>("plugin:mediarepo|find_files",
{filters, sortBy: sortBy.map(k => k.toBackendType())});
this.displayedFiles.next(files);
}
public async updateFileName(file: File, name: string): Promise<File> {
return await invoke<File>("plugin:mediarepo|update_file_name", {id: file.id, name})
}
/**
* Builds a safe thumbnail url that accesses custom scheme for thumbnails
* @param {File} file
* @param {number} height
* @param {number} width
* @returns {SafeResourceUrl}
*/
public buildThumbnailUrl(file: File, height: number, width: number): SafeResourceUrl {
return this.sanitizer.bypassSecurityTrustResourceUrl(`thumb://${file.hash}?width=${250}&height=${250}`)
}
/**
* Builds a safe content url that accesses custom scheme for thumbnails
* @param {File} file
* @returns {SafeResourceUrl}
*/
public buildContentUrl(file: File): SafeResourceUrl {
return this.sanitizer.bypassSecurityTrustResourceUrl(`content://${file.hash}`)
}
}