Change thumbnails and images to be directly retrieved from custom schemes

Signed-off-by: trivernis <trivernis@protonmail.com>

mediarepo-ui/src-tauri/Cargo.lock

@@ -1580,12 +1580,13 @@ checksum = "a3e378b66a060d48947b590737b30a1be76706c8dd7b8ba0f2fe3989c68a853f"
 
 [[package]]
 name = "mediarepo-api"
-version = "0.6.0"
-source = "git+https://github.com/Trivernis/mediarepo-api.git?rev=ddebf4bf0c3e96ede64182ff52bd84f134acc33a#ddebf4bf0c3e96ede64182ff52bd84f134acc33a"
+version = "0.7.0"
+source = "git+https://github.com/Trivernis/mediarepo-api.git?rev=acda7307dc58e9ac489b12bab61561a1cbf951eb#acda7307dc58e9ac489b12bab61561a1cbf951eb"
 dependencies = [
  "async-trait",
  "chrono",
  "directories",
+ "futures",
  "mime_guess",
  "parking_lot",
  "rmp-ipc",
@@ -1597,6 +1598,7 @@ dependencies = [
  "tokio",
  "toml",
  "tracing",
+ "url",
 ]
 
 [[package]]

mediarepo-ui/src-tauri/Cargo.toml

@@ -30,7 +30,7 @@ features = ["env-filter"]
 
 [dependencies.mediarepo-api]
 git = "https://github.com/Trivernis/mediarepo-api.git"
-rev = "ddebf4bf0c3e96ede64182ff52bd84f134acc33a"
+rev = "acda7307dc58e9ac489b12bab61561a1cbf951eb"
 features = ["tauri-plugin"]
 
 [features]

mediarepo-ui/src-tauri/tauri.conf.json

@@ -61,7 +61,7 @@
       }
     ],
     "security": {
-      "csp": "default-src blob: data: filesystem: ws: wss: http: https: tauri: 'unsafe-eval' 'unsafe-inline' 'self' img-src: 'self' once:"
+      "csp": "default-src blob: data: filesystem: ws: wss: http: https: tauri: 'unsafe-eval' 'unsafe-inline' 'self' img-src: 'self' once: thumb: content:"
     }
   }
 }

mediarepo-ui/src/app/components/file-gallery/file-gallery-entry/file-gallery-entry.component.ts

@@ -1,6 +1,6 @@
 import {
   Component,
-  EventEmitter,
+  EventEmitter, Inject,
   Input,
   OnChanges,
   OnInit,
@@ -9,7 +9,7 @@ import {
 } from '@angular/core';
 import {File} from "../../../models/File";
 import {FileService} from "../../../services/file/file.service";
-import {SafeResourceUrl} from "@angular/platform-browser";
+import {DomSanitizer, SafeResourceUrl} from "@angular/platform-browser";
 import {ErrorBrokerService} from "../../../services/error-broker/error-broker.service";
 import {Selectable} from "../../../models/Selectable";
 
@@ -26,32 +26,18 @@ export class FileGalleryEntryComponent implements OnInit, OnChanges {
 
   private cachedFile: File | undefined;
 
-  constructor(private fileService: FileService, private errorBroker: ErrorBrokerService) {
+  constructor(@Inject(DomSanitizer) private sanitizer: DomSanitizer, private fileService: FileService, private errorBroker: ErrorBrokerService) {
   }
 
   async ngOnChanges(changes: SimpleChanges): Promise<void> {
     if (changes["file"] && (!this.cachedFile || this.file.data.hash !== this.cachedFile!.hash)) { // handle changes to the file when the component is not destroyed
       this.cachedFile = this.file.data;
-      this.contentUrl = undefined;
-      await this.loadImage();
+      this.contentUrl = this.fileService.buildThumbnailUrl(this.file.data, 250, 250);
     }
   }
 
   async ngOnInit() {
     this.cachedFile = this.file.data;
-    await this.loadImage();
-  }
-
-  async loadImage() {
-    try {
-      const hash = this.file.data.hash;
-      const contentUrl = await this.fileService.getFileThumbnail(this.file.data, 250, 250);
-
-      if (this.file.data.hash === hash) {  // avoid issues with changed files
-        this.contentUrl = contentUrl;
-      }
-    } catch (err) {
-      this.errorBroker.showError(err);
-    }
+    this.contentUrl = this.fileService.buildThumbnailUrl(this.file.data, 250, 250);
   }
 }

mediarepo-ui/src/app/components/file-gallery/file-gallery.component.ts

@@ -89,9 +89,7 @@ export class FileGalleryComponent implements OnChanges, OnInit {
    */
   async loadSelectedFile() {
     if (this.selectedFile) {
-      this.fileContentUrl = undefined;
-      this.fileContentUrl = await this.fileService.readFile(
-        this.selectedFile.data);
+      this.fileContentUrl = this.fileService.buildContentUrl(this.selectedFile.data)
     }
   }
 

mediarepo-ui/src/app/components/file-grid/file-grid-entry/file-grid-entry.component.ts

@@ -5,7 +5,8 @@ import {
   Input,
   OnChanges,
   OnInit,
-  Output, SimpleChanges,
+  Output,
+  SimpleChanges,
   ViewChild
 } from '@angular/core';
 import {File} from "../../../models/File";
@@ -34,26 +35,15 @@ export class FileGridEntryComponent implements OnInit, OnChanges {
 
   async ngOnInit() {
     this.cachedFile = this.gridEntry.file;
-        await this.loadImage();
+    this.contentUrl = this.fileService.buildThumbnailUrl(this.gridEntry.file,
+      250, 250);
   }
 
   async ngOnChanges(changes: SimpleChanges) {
     if (changes["file"] && (!this.cachedFile || this.gridEntry.file.hash !== this.cachedFile.hash)) {
       this.cachedFile = this.gridEntry.file;
-            await this.loadImage();
-        }
-    }
-
-    async loadImage() {
-        try {
-          const hash = this.gridEntry.file.hash;
-          const contentUrl = await this.fileService.getFileThumbnail(this.gridEntry.file, 250, 250);
-
-          if (this.gridEntry.file.hash === hash) {  // avoid issues with changed files
-            this.contentUrl = contentUrl;
-          }
-        } catch (err) {
-            this.errorBroker.showError(err);
+      this.contentUrl = this.fileService.buildThumbnailUrl(this.gridEntry.file,
+        250, 250);
     }
   }
 }

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

@@ -90,4 +90,24 @@ export class FileService {
   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}`)
+  }
 }