From 3f5eaf86a869783b4dae7078f49cd7ebe60b4909 Mon Sep 17 00:00:00 2001
From: Nikita Bulavin <f33lnothin9@proton.me>
Date: Mon, 11 Nov 2024 22:10:28 +0300
Subject: [PATCH] Sort the categories by their usage

---
 .../cashsense/core/database/dao/CategoryDao.kt       | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/core/database/src/main/kotlin/ru/resodostudios/cashsense/core/database/dao/CategoryDao.kt b/core/database/src/main/kotlin/ru/resodostudios/cashsense/core/database/dao/CategoryDao.kt
index 0031067ff..5700e214a 100644
--- a/core/database/src/main/kotlin/ru/resodostudios/cashsense/core/database/dao/CategoryDao.kt
+++ b/core/database/src/main/kotlin/ru/resodostudios/cashsense/core/database/dao/CategoryDao.kt
@@ -12,7 +12,17 @@ interface CategoryDao {
     @Query("SELECT * FROM categories WHERE id = :id")
     fun getCategoryEntity(id: String): Flow<CategoryEntity>
 
-    @Query("SELECT * FROM categories ORDER BY id DESC")
+    @Query(
+        value = """
+            SELECT c.id, c.title, c.icon_id FROM categories c
+            LEFT JOIN (
+                SELECT tc.category_id, COUNT(tc.category_id) AS usage_count
+                FROM transactions_categories tc
+                GROUP BY tc.category_id
+            ) AS usage ON c.id = usage.category_id
+            ORDER BY usage.usage_count DESC;
+        """,
+    )
     fun getCategoryEntities(): Flow<List<CategoryEntity>>
 
     @Upsert