From 9fa2dbbadc9e31816299e2b5f5075a9b28d792ce Mon Sep 17 00:00:00 2001
From: wagesj45 <jordan@jordanwages.com>
Date: Wed, 24 Sep 2025 03:57:31 -0500
Subject: [PATCH] Inline browse artists pagination limits

---
 script.js | 56 ++++++++++++++++++++++++++++++++++++++++---------------
 1 file changed, 41 insertions(+), 15 deletions(-)

diff --git a/script.js b/script.js
index 55b5111..6d6b221 100644
--- a/script.js
+++ b/script.js
@@ -1457,19 +1457,19 @@
     }
 
     const baseCountSql = 'SELECT COUNT(*) AS count FROM artists';
-    const baseRowsSql = `
+    const buildBaseRowsSql = (pageSize, offset) => `
       SELECT id, name
       FROM artists
       ORDER BY name COLLATE NOCASE
-      LIMIT ? OFFSET ?
+      LIMIT ${pageSize} OFFSET ${offset}
     `;
     const countSql = 'SELECT COUNT(*) AS count FROM artists WHERE name LIKE ? ESCAPE "\\"';
-    const rowsSql = `
+    const buildRowsSql = (likeValue, pageSize, offset) => `
       SELECT id, name
       FROM artists
-      WHERE name LIKE ? ESCAPE "\\"
+      WHERE name LIKE ${escapeSqlText(likeValue)} ESCAPE "\\"
       ORDER BY name COLLATE NOCASE
-      LIMIT ? OFFSET ?
+      LIMIT ${pageSize} OFFSET ${offset}
     `;
     const ftsCountSql = `
       SELECT COUNT(*) AS count FROM (
@@ -1481,7 +1481,7 @@
         GROUP BY a.id
       ) AS matches
     `;
-    const ftsRowsSql = `
+    const buildFtsRowsSql = (pageSize, offset) => `
       SELECT a.id, a.name
       FROM fts_tracks
       JOIN tracks t ON t.id = fts_tracks.rowid
@@ -1489,7 +1489,7 @@
       WHERE fts_tracks MATCH ?
       GROUP BY a.id
       ORDER BY a.name COLLATE NOCASE
-      LIMIT ? OFFSET ?
+      LIMIT ${pageSize} OFFSET ${offset}
     `;
 
     function buildArtistFtsMatch(input) {
@@ -1519,7 +1519,26 @@
       const useUnfilteredQuery = !typedFilter && !state.prefix;
       listState.showLoading('Loading…');
 
+      function sanitizeLimitAndOffset(rawPageSize, rawOffset) {
+        const numericPageSize = Number(rawPageSize);
+        const numericOffset = Number(rawOffset);
+        const pageSizeInt = Number.isFinite(numericPageSize) ? Math.floor(numericPageSize) : NaN;
+        const offsetInt = Number.isFinite(numericOffset) ? Math.floor(numericOffset) : NaN;
+        if (!Number.isFinite(pageSizeInt) || pageSizeInt < 1 || !Number.isFinite(offsetInt) || offsetInt < 0) {
+          console.error('Invalid pagination values for artists query', {
+            pageSize: rawPageSize,
+            offset: rawOffset,
+          });
+          listState.showError('Failed to load artists.');
+          return null;
+        }
+        return { pageSize: pageSizeInt, offset: offsetInt };
+      }
+
       let { page, pageSize, offset } = getNormalizedPagination();
+      const initialSanitized = sanitizeLimitAndOffset(pageSize, offset);
+      if (!initialSanitized) return;
+      ({ pageSize, offset } = initialSanitized);
       let total = 0;
       const rows = [];
       let usedFts = false;
@@ -1543,14 +1562,16 @@
               view: VIEW_NAMES.browseArtists,
             })) {
               ({ page, pageSize, offset } = getNormalizedPagination());
+              const sanitized = sanitizeLimitAndOffset(pageSize, offset);
+              if (!sanitized) return;
+              ({ pageSize, offset } = sanitized);
             }
             const ftsRowsStmt = prepareForView(
               db,
               VIEW_NAMES.browseArtists,
-              applyFtsMatch(ftsRowsSql, ftsMatch),
+              applyFtsMatch(buildFtsRowsSql(pageSize, offset), ftsMatch),
               'fts-rows',
             );
-            ftsRowsStmt.bind([pageSize, offset]);
             while (ftsRowsStmt.step()) rows.push(ftsRowsStmt.getAsObject());
             ftsRowsStmt.free();
             usedFts = true;
@@ -1581,16 +1602,19 @@
             view: VIEW_NAMES.browseArtists,
           })) {
             ({ page, pageSize, offset } = getNormalizedPagination());
+            const sanitized = sanitizeLimitAndOffset(pageSize, offset);
+            if (!sanitized) return;
+            ({ pageSize, offset } = sanitized);
           }
 
           const rowsStmt = prepareForView(
             db,
             VIEW_NAMES.browseArtists,
-            useUnfilteredQuery ? baseRowsSql : rowsSql,
+            useUnfilteredQuery
+              ? buildBaseRowsSql(pageSize, offset)
+              : buildRowsSql(likeTerm, pageSize, offset),
             useUnfilteredQuery ? 'rows' : 'rows-filtered',
           );
-          if (useUnfilteredQuery) rowsStmt.bind([pageSize, offset]);
-          else rowsStmt.bind([likeTerm, pageSize, offset]);
           while (rowsStmt.step()) rows.push(rowsStmt.getAsObject());
           rowsStmt.free();
         }
@@ -1606,12 +1630,14 @@
         return;
       }
 
-      ({ page, pageSize } = getNormalizedPagination());
+      const finalPagination = getNormalizedPagination();
+      const finalSanitized = sanitizeLimitAndOffset(finalPagination.pageSize, finalPagination.offset);
+      if (!finalSanitized) return;
       listState.showRows({
         rows,
         total,
-        page,
-        pageSize,
+        page: finalPagination.page,
+        pageSize: finalSanitized.pageSize,
       });
     }