Initial commit

resources/js/SubmissionsClass/HashesManager.js

@@ -0,0 +1,60 @@
+import { calculate as calculateHashes } from "../hashes.js";
+
+export function HashesManager( wire ) {
+    return {
+
+        /**
+         * Wire variable instance.
+         */
+        $wire: wire,
+
+        /**
+         * If a file hash is currently calculated or not.
+         * @type {boolean}
+         */
+        isCalculating: false,
+
+        /**
+         * An error on hash calculation.
+         * @type {any|null}
+         */
+        error: null,
+
+        async handleSubmitFile(){
+
+            if( this.isCalculating === true ) // Calculation already done for another file.
+                return;
+
+            this.error = null; // Reset.
+            const FILE = await this.openFileInput();
+
+            if( !FILE )
+                return; // No file sent.
+
+            this.isCalculating = true;
+
+            try {
+                const RESULT = await calculateHashes(FILE);
+                await this.$wire.addHash(RESULT.filename, RESULT.crc32, RESULT.sha1); // Send a signal to livewire.
+            } catch(err) {
+                this.error = err.message;
+            } finally {
+                this.isCalculating = false;
+            }
+        },
+
+        /**
+         * Open a specific file.
+         * @returns {Promise<unknown>}
+         */
+        async openFileInput(){
+            return new Promise(resolve => {
+                const input = document.createElement("input");
+                input.type = "file";
+                input.onchange = () => resolve(input.files[0] ?? null );
+                input.oncancel = () => resolve(null);
+                input.click();
+            });
+        }
+    }
+}