added schema service

src/container.rs

@@ -1,7 +1,11 @@
 use mysql::PooledConn;
 
 use crate::{
-    repository::{filter_repo::FilterRepo, merchant_repo::MerchantRepo}, service::{filter_service::FilterService, merchant_service::MerchantService}
+    repository::{filter_repo::FilterRepo, merchant_repo::MerchantRepo, schema_repo::SchemaRepo},
+    service::{
+        filter_service::FilterService, merchant_service::MerchantService,
+        schema_service::SchemaService,
+    },
 };
 
 pub fn get_filter_service(pool: &mut PooledConn) -> FilterService {
@@ -12,5 +16,9 @@ pub fn get_filter_service(pool: &mut PooledConn) -> FilterService {
 pub fn get_merchant_service(pool: &mut PooledConn) -> MerchantService {
     let repo = MerchantRepo::new(pool);
     return MerchantService::new(repo);
-    
+}
+
+pub fn get_schema_service(pool: &mut PooledConn) -> SchemaService {
+    let repo = SchemaRepo::new(pool);
+    return SchemaService::new(repo);
 }

src/main.rs

@@ -2,14 +2,16 @@ use clap::Parser;
 use cli::cli::{Cli, Commands};
 use database::db::Db;
 use mysql::PooledConn;
-use service::{schema_service, filter_service::FilterService};
+use service::{
+    filter_service::FilterService, merchant_service::MerchantService, schema_service::SchemaService,
+};
 
 pub mod cli;
+pub mod container;
 pub mod database;
 pub mod entity;
 pub mod repository;
 pub mod service;
-pub mod container;
 
 fn main() -> std::result::Result<(), Box<dyn std::error::Error>> {
     let args = Cli::parse();
@@ -18,20 +20,25 @@ fn main() -> std::result::Result<(), Box<dyn std::error::Error>> {
 
     match args.mode {
         Commands::Merch { search } => {
-            let merchant_service = container::get_merchant_service(&mut conn);
+            let merchant_service: MerchantService = container::get_merchant_service(&mut conn);
             merchant_service.get_merchant(&search.unwrap());
         }
         Commands::Schema { search } => {
-            schema_service::get_columns(&search.unwrap(), &mut conn)
-        },
-        Commands::Filter { filter_id, config, all } => {
+            let schema_service: SchemaService = container::get_schema_service(&mut conn);
+            schema_service.get_columns(&search.unwrap())
+        }
+        Commands::Filter {
+            filter_id,
+            config,
+            all,
+        } => {
             let mut filter_service: FilterService = container::get_filter_service(&mut conn);
             if config {
                 filter_service.get_filter_configs(&filter_id)
             } else {
                 filter_service.get_filter(&filter_id, all)
             }
-        },
+        }
     }
 
     Ok(())

src/repository/schema_repo.rs

@@ -2,21 +2,31 @@ use mysql::{params, prelude::Queryable, PooledConn};
 
 use crate::entity::schema::Schema;
 
-pub fn find_by_column(
-    column_name: &str,
-    conn: &mut PooledConn,
-) -> Result<Vec<Schema>, mysql::Error> {
-    let stat = conn
+pub struct SchemaRepo<'a> {
+    db_pool: &'a mut PooledConn,
+}
+
+impl<'a> SchemaRepo<'a> {
+    pub fn new(db_pool: &'a mut PooledConn) -> Self {
+        Self { db_pool }
+    }
+
+    pub fn find_by_column(
+        self,
+        column_name: &str,
+    ) -> Result<Vec<Schema>, mysql::Error> {
+        let stat = self.db_pool
         .prep("SELECT TABLE_NAME, COLUMN_NAME, COLUMN_TYPE FROM INFORMATION_SCHEMA.COLUMNS WHERE column_name LIKE :c_name")
         .unwrap();
 
-    conn.exec_map(
-        stat,
-        params! {"c_name" => column_name},
-        |(table_name, column_name, column_type)| Schema {
-            table_name,
-            column_name,
-            column_type,
-        },
-    )
+        self.db_pool.exec_map(
+            stat,
+            params! {"c_name" => column_name},
+            |(table_name, column_name, column_type)| Schema {
+                table_name,
+                column_name,
+                column_type,
+            },
+        )
+    }
 }

src/service/merchant_service.rs

@@ -20,7 +20,7 @@ impl<'a> MerchantService<'a> {
                 merchants.into_iter().for_each(|merchant| {
                     println!("{}", "-".repeat(150));
                     println!("Merchant: {}", merchant.m_name);
-                    println!("M-ID: {}", merchant.m_id);
+                    println!("M-ID:     {}", merchant.m_id);
                 });
 
                 println!("{}", "-".repeat(150));

src/service/schema_service.rs

@@ -1,24 +1,31 @@
-use mysql::PooledConn;
+use crate::repository::schema_repo::SchemaRepo;
 
-use crate::repository::schema_repo;
+pub struct SchemaService<'a> {
+    repo: SchemaRepo<'a>,
+}
 
-pub fn get_columns(column: &str, conn: &mut PooledConn) {
-    let columns = schema_repo::find_by_column(column, conn);
+impl<'a> SchemaService<'a> {
+    pub fn new(repo: SchemaRepo<'a>) -> Self {
+        Self { repo }
+    }
+    pub fn get_columns(self, column: &str) {
+        let columns = self.repo.find_by_column(column);
 
-    match columns {
-        Ok(columns) => {
-            if columns.is_empty() {
-                println!("No column found!");
-            } else {
-                columns.into_iter().for_each(|column| {
+        match columns {
+            Ok(columns) => {
+                if columns.is_empty() {
+                    println!("No column found!");
+                } else {
+                    columns.into_iter().for_each(|column| {
+                        println!("{}", "-".repeat(100));
+                        println!("Table name:   {}", column.table_name);
+                        println!("Column name:  {}", column.column_name);
+                        println!("Type:         {}", column.column_type);
+                    });
                     println!("{}", "-".repeat(100));
-                    println!("Table name:   {}", column.table_name);
-                    println!("Column name:  {}", column.column_name);
-                    println!("Type:         {}", column.column_type);
-                });
-                println!("{}", "-".repeat(100));
+                }
             }
+            Err(err) => panic!("{err}"),
         }
-        Err(err) => panic!("{err}"),
     }
 }