fix: add OCR hit to frontend search tab

Author: LeafCreeper

frontend/index.html

@@ -431,13 +431,16 @@ <h4 class="font-medium text-gray-800 text-sm truncate" x-text="lec.sub_title ||
           <div class="flex items-center justify-between gap-2">
             <p class="text-xs text-blue-600 font-medium truncate" x-text="r.course_title"></p>
             <span class="text-[10px] uppercase tracking-wide text-gray-400 flex-shrink-0"
-                  x-text="r.hit_field === 'transcript' ? '转录命中'
-                        : r.hit_field === 'sub_title'  ? '标题命中'
-                        : '摘要命中'"></span>
+              x-text="r.hit_field === 'transcript' ? '转录命中'
+                : r.hit_field === 'sub_title'  ? '标题命中'
+                : r.hit_field === 'ocr'        ? 'OCR命中'
+                : '摘要命中'"></span>
           </div>
           <h4 class="font-medium text-gray-800 text-sm mt-0.5" x-text="r.sub_title || 'Untitled'"></h4>
-          <p class="text-xs text-gray-400 mt-1 line-clamp-2"
-             x-html="highlight(r.hit_field === 'transcript' ? r.transcript : r.summary, searchQuery)"></p>
+           <p class="text-xs text-gray-400 mt-1 line-clamp-2"
+             x-html="highlight(r.hit_field === 'transcript' ? r.transcript
+                    : r.hit_field === 'ocr' ? r.ppt_text
+                    : r.summary, searchQuery)"></p>
         </button>
       </template>
     </div>

frontend/js/db.js

@@ -173,19 +173,22 @@ function _searchSummaries(query) {
   const q = query;
   return _queryAll(`
     SELECT l.sub_id, l.sub_title, l.summary, l.transcript,
+           (SELECT pp.text FROM ppt_pages pp WHERE pp.sub_id = l.sub_id AND pp.text LIKE '%' || ? || '%' LIMIT 1) AS ppt_text,
            l.course_id, c.title AS course_title,
            CASE
              WHEN l.summary    LIKE '%' || ? || '%' THEN 'summary'
              WHEN l.sub_title  LIKE '%' || ? || '%' THEN 'sub_title'
              WHEN l.transcript LIKE '%' || ? || '%' THEN 'transcript'
+             WHEN EXISTS(SELECT 1 FROM ppt_pages pp2 WHERE pp2.sub_id = l.sub_id AND pp2.text LIKE '%' || ? || '%') THEN 'ocr'
              ELSE 'other'
            END AS hit_field
     FROM lectures l JOIN courses c ON l.course_id = c.course_id
     WHERE l.summary    LIKE '%' || ? || '%'
        OR l.sub_title  LIKE '%' || ? || '%'
        OR l.transcript LIKE '%' || ? || '%'
+       OR EXISTS(SELECT 1 FROM ppt_pages pp3 WHERE pp3.sub_id = l.sub_id AND pp3.text LIKE '%' || ? || '%')
     ORDER BY l.processed_at DESC LIMIT 50
-  `, [q, q, q, q, q, q]);
+  `, [q, q, q, q, q, q, q, q, q]);
 }
 
 function _getAllCourses(term) {