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fix: handle Unicode search in DB queries

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4gray committed 2026-01-12 00:39:11 +01:00
1 parent dba45f27c3
commit 960b295cd8
1 file changed
+32 -14
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apps/electron-backend/src/app/events/database/content.events.ts
+32 -14
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@@ -243,7 +243,13 @@ ipcMain.handle(
async (event, playlistId: string, searchTerm: string, types: string[]) => {
try {
const db = await getDatabase();
const result = await db
// Note: SQLite's LOWER() only handles ASCII characters, not Unicode/Cyrillic.
// We use a two-step approach:
// 1. SQL filters by playlist and type
// 2. JavaScript filters by title using proper Unicode toLowerCase()
const searchTermLower = searchTerm.toLowerCase();
const candidates = await db
.select({
id: schema.content.id,
category_id: schema.content.categoryId,
@@ -262,14 +268,18 @@ ipcMain.handle(
.where(
and(
eq(schema.categories.playlistId, playlistId),
sql`LOWER(${schema.content.title}) LIKE ${'%' + escapeLikePattern(searchTerm.toLowerCase()) + '%'} ESCAPE '\\'`,
inArray(
schema.content.type,
types as Array<'live' | 'movie' | 'series'>
)
)
)
.limit(50);
);
// Filter in JavaScript for proper Unicode case-insensitive search
const result = candidates
.filter(item => item.title?.toLowerCase().includes(searchTermLower))
.slice(0, 50);
return result;
} catch (error) {
console.error('Error searching content:', error);
@@ -286,7 +296,13 @@ ipcMain.handle(
async (event, searchTerm: string, types: string[]) => {
try {
const db = await getDatabase();
const result = await db
// Note: SQLite's LOWER() only handles ASCII characters, not Unicode/Cyrillic.
// We use a two-step approach:
// 1. SQL filters by type only
// 2. JavaScript filters by title using proper Unicode toLowerCase()
const searchTermLower = searchTerm.toLowerCase();
const candidates = await db
.select({
id: schema.content.id,
category_id: schema.content.categoryId,
@@ -309,16 +325,18 @@ ipcMain.handle(
eq(schema.categories.playlistId, schema.playlists.id)
)
.where(
and(
sql`LOWER(${schema.content.title}) LIKE ${'%' + escapeLikePattern(searchTerm.toLowerCase()) + '%'} ESCAPE '\\'`,
inArray(
schema.content.type,
types as Array<'live' | 'movie' | 'series'>
)
inArray(
schema.content.type,
types as Array<'live' | 'movie' | 'series'>
)
)
.orderBy(schema.content.title)
.limit(50);
);
// Filter in JavaScript for proper Unicode case-insensitive search
const result = candidates
.filter(item => item.title?.toLowerCase().includes(searchTermLower))
.sort((a, b) => a.title.localeCompare(b.title))
.slice(0, 50);
return result;
} catch (error) {
console.error('Error in global search:', error);