1 files changed, 66 insertions, 1 deletions
diff --git a/ext/bg/js/anki-note-builder.js b/ext/bg/js/anki-note-builder.js
index 51022da3..244aaab8 100644
--- a/ext/bg/js/anki-note-builder.js
+++ b/ext/bg/js/anki-note-builder.js
@@ -17,7 +17,8 @@
  */
 
 class AnkiNoteBuilder {
-    constructor({renderTemplate}) {
+    constructor({audioSystem, renderTemplate}) {
+        this._audioSystem = audioSystem;
         this._renderTemplate = renderTemplate;
     }
 
@@ -84,6 +85,70 @@ class AnkiNoteBuilder {
         });
     }
 
+    async injectAudio(definition, fields, sources, optionsContext) {
+        if (!this._containsMarker(fields, 'audio')) { return; }
+
+        try {
+            const expressions = definition.expressions;
+            const audioSourceDefinition = Array.isArray(expressions) ? expressions[0] : definition;
+
+            const {uri} = await this._audioSystem.getDefinitionAudio(audioSourceDefinition, sources, {tts: false, optionsContext});
+            const filename = this._createInjectedAudioFileName(audioSourceDefinition);
+            if (filename !== null) {
+                definition.audio = {url: uri, filename};
+            }
+        } catch (e) {
+            // NOP
+        }
+    }
+
+    async injectScreenshot(definition, fields, screenshot, anki) {
+        if (!this._containsMarker(fields, 'screenshot')) { return; }
+
+        const now = new Date(Date.now());
+        const filename = `yomichan_browser_screenshot_${definition.reading}_${this._dateToString(now)}.${screenshot.format}`;
+        const data = screenshot.dataUrl.replace(/^data:[\w\W]*?,/, '');
+
+        try {
+            await anki.storeMediaFile(filename, data);
+        } catch (e) {
+            return;
+        }
+
+        definition.screenshotFileName = filename;
+    }
+
+    _createInjectedAudioFileName(definition) {
+        const {reading, expression} = definition;
+        if (!reading && !expression) { return null; }
+
+        let filename = 'yomichan';
+        if (reading) { filename += `_${reading}`; }
+        if (expression) { filename += `_${expression}`; }
+        filename += '.mp3';
+        return filename;
+    }
+
+    _dateToString(date) {
+        const year = date.getUTCFullYear();
+        const month = date.getUTCMonth().toString().padStart(2, '0');
+        const day = date.getUTCDate().toString().padStart(2, '0');
+        const hours = date.getUTCHours().toString().padStart(2, '0');
+        const minutes = date.getUTCMinutes().toString().padStart(2, '0');
+        const seconds = date.getUTCSeconds().toString().padStart(2, '0');
+        return `${year}-${month}-${day}-${hours}-${minutes}-${seconds}`;
+    }
+
+    _containsMarker(fields, marker) {
+        marker = `{${marker}}`;
+        for (const fieldValue of Object.values(fields)) {
+            if (fieldValue.includes(marker)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     static stringReplaceAsync(str, regex, replacer) {
         let match;
         let index = 0;