diff --git a/src/repository/filter_repo.rs b/src/repository/filter_repo.rs
index 4261a58..406d877 100644
--- a/src/repository/filter_repo.rs
+++ b/src/repository/filter_repo.rs
@@ -2,8 +2,21 @@ use mysql::{params, prelude::Queryable, PooledConn};
 
 use crate::entity::{filter::Filter, filter_config::FilterConfig};
 
-pub fn find_by_id(filter_id: &usize, conn: &mut PooledConn) -> Result<Vec<Filter>, mysql::Error> {
-    let stat = conn
+#[derive(Debug)]
+pub struct FilterRepo<'a> {
+    db_pool: &'a mut PooledConn,
+}
+
+impl<'a> FilterRepo<'a> {
+    pub fn new(db_pool: &'a mut PooledConn) -> Self {
+        Self { db_pool }
+    }
+
+    pub fn find_by_id(
+        self,
+        filter_id: &usize,
+    ) -> Result<Vec<Filter>, mysql::Error> {
+        let stat = self.db_pool
         .prep(
             "SELECT f.filter_module_id, f.file_name, f.description, fm.filter_module_no, fm.filter_user 
             FROM filter f
@@ -12,24 +25,24 @@ pub fn find_by_id(filter_id: &usize, conn: &mut PooledConn) -> Result<Vec<Filter
         ")
         .unwrap();
 
-    conn.exec_map(
-        stat,
-        params! {"filter_id" => filter_id},
-        |(filter_module_id, file_name, description, filter_module_no, filter_user)| Filter {
-            filter_module_id,
-            file_name,
-            description,
-            filter_module_no,
-            filter_user,
-        },
-    )
-}
+        self.db_pool.exec_map(
+            stat,
+            params! {"filter_id" => filter_id},
+            |(filter_module_id, file_name, description, filter_module_no, filter_user)| Filter {
+                filter_module_id,
+                file_name,
+                description,
+                filter_module_no,
+                filter_user,
+            },
+        )
+    }
 
-pub fn find_filter_configs(
-    filter_id: &usize,
-    conn: &mut PooledConn,
-) -> Result<Vec<FilterConfig>, mysql::Error> {
-    let stat = conn
+    pub fn find_filter_configs(
+        self,
+        filter_id: &usize,
+    ) -> Result<Vec<FilterConfig>, mysql::Error> {
+        let stat = self.db_pool
         .prep(
             "
             SELECT t1.attribute, t1.value1, IF(t1.value2 is null or t1.value2 = '', 'EMPTY', t1.value2) as value2, t2.name, t1.upd_ts
@@ -40,17 +53,16 @@ pub fn find_filter_configs(
         )
         .unwrap();
 
-    conn.exec_map(
-        stat,
-        params! {"filter_id" => filter_id},
-        |(attribute, value1, value2, name, upd_ts)| {
-            FilterConfig {
+        self.db_pool.exec_map(
+            stat,
+            params! {"filter_id" => filter_id},
+            |(attribute, value1, value2, name, upd_ts)| FilterConfig {
                 attribute,
                 value1,
                 value2,
                 name,
                 upd_ts,
-            }
-        },
-    )
+            },
+        )
+    }
 }
diff --git a/src/service/filter_service.rs b/src/service/filter_service.rs
index 8b9c774..f991f7f 100644
--- a/src/service/filter_service.rs
+++ b/src/service/filter_service.rs
@@ -1,11 +1,12 @@
-use mysql::PooledConn;
 use crate::{
     entity::{filter::Filter, filter_config::FilterConfig},
-    repository::filter_repo,
+    repository::filter_repo::FilterRepo,
 };
+use mysql::PooledConn;
 
 pub fn get_filter(filter_id: &usize, all: bool, conn: &mut PooledConn) {
-    let result = filter_repo::find_by_id(filter_id, conn);
+    let repo: FilterRepo = FilterRepo::new(conn);
+    let result = repo.find_by_id(filter_id);
 
     match result {
         Ok(filters) => {
@@ -22,7 +23,7 @@ pub fn get_filter(filter_id: &usize, all: bool, conn: &mut PooledConn) {
                 });
 
                 if all {
-                    get_filter_configs(&*filter_id, conn)
+                    get_filter_configs(filter_id, conn)
                 } else {
                     println!("{}", "-".repeat(150));
                 }
@@ -33,7 +34,8 @@ pub fn get_filter(filter_id: &usize, all: bool, conn: &mut PooledConn) {
 }
 
 pub fn get_filter_configs(filter_id: &usize, conn: &mut PooledConn) {
-    let result = filter_repo::find_filter_configs(filter_id, conn);
+    let repo: FilterRepo = FilterRepo::new(conn);
+    let result = repo.find_filter_configs(filter_id);
 
     match result {
         Ok(filter_configs) => {