1 files changed, 22 insertions, 0 deletions
diff --git a/animism-align/frontend/app/utils/transcript.utils.js b/animism-align/frontend/app/utils/transcript.utils.js
index 258afa1..115eace 100644
--- a/animism-align/frontend/app/utils/transcript.utils.js
+++ b/animism-align/frontend/app/utils/transcript.utils.js
@@ -150,3 +150,25 @@ const getParagraphType = (annotation, paragraph) => {
   }
   return paragraph.type
 }
+
+const REGEXP_ALL_COMMAS = new RegExp(',', 'g')
+
+export const parseSubtitles = (mediaItem, timeOffset) => {
+  if (!mediaItem || !mediaItem.settings.subtitles) return
+  const groups = mediaItem.settings.subtitles.split("\n\n")
+  const subtitles = groups.map((group) => {
+    if (!group) return
+    const lines = group.trim().split("\n")
+    if (!lines.length || !parseInt(lines[0])) {
+      return null
+    }
+    let ts_parts = lines[1].replace(REGEXP_ALL_COMMAS, '.').split(" --> ").map(timestampToSeconds)
+    return {
+      id: parseInt(lines[0]),
+      start_ts: ts_parts[0] + timeOffset,
+      end_ts: ts_parts[1] + timeOffset,
+      lines: lines.slice(2),
+    }
+  }).filter(a => !!a)
+  return subtitles
+}