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|
use tokio_rusqlite::{Connection, Row, named_params};
use crate::db::utils;
use crate::model::balancing::{Balancing, Create, Update, TableRow};
fn row_to_balancing(row: &Row) -> Result<Balancing, rusqlite::Error> {
Ok(Balancing {
id: row.get(0)?,
source: row.get(1)?,
destination: row.get(2)?,
amount: row.get(3)?,
})
}
fn row_to_table_row(row: &Row) -> Result<TableRow, rusqlite::Error> {
Ok(TableRow {
id: row.get(0)?,
source: row.get(1)?,
destination: row.get(2)?,
amount: row.get(3)?,
})
}
pub async fn count(conn: &Connection) -> i64 {
let query = r#"
SELECT COUNT(*)
FROM balancing
WHERE balancing.deleted_at IS NULL
"#;
let res = conn
.call(move |conn| {
let mut stmt = conn.prepare(query)?;
let mut iter = stmt.query_map([], |row| row.get(0))?;
utils::one::<i64, _>(&mut iter)
})
.await;
match res {
Ok(count) => count,
Err(err) => {
log::error!("Error counting balancing: {:?}", err);
0
}
}
}
pub async fn list_for_table(conn: &Connection, page: i64, per_page: i64) -> Vec<TableRow> {
let query = r#"
SELECT
balancing.id,
users_src.name,
users_dest.name,
balancing.amount
FROM balancing
INNER JOIN users AS users_src ON users_src.id = balancing.source
INNER JOIN users AS users_dest ON users_dest.id = balancing.destination
WHERE balancing.deleted_at IS NULL
ORDER BY balancing.created_at DESC
LIMIT :limit
OFFSET :offset
"#;
let res = conn
.call(move |conn| {
let mut stmt = conn.prepare(query)?;
stmt.query_map(
named_params![":limit": per_page, ":offset": (page - 1) * per_page],
row_to_table_row
)?
.collect::<Result<Vec<TableRow>, _>>()
})
.await;
match res {
Ok(xs) => xs,
Err(err) => {
log::error!("Error listing balancing: {:?}", err);
vec![]
}
}
}
pub async fn list(conn: &Connection) -> Vec<Balancing> {
let query = r#"
SELECT
id,
source,
destination,
amount
FROM balancing
WHERE deleted_at IS NULL
ORDER BY created_at DESC
"#;
let res = conn
.call(move |conn| {
let mut stmt = conn.prepare(query)?;
stmt.query_map([], row_to_balancing)?
.collect::<Result<Vec<Balancing>, _>>()
})
.await;
match res {
Ok(xs) => xs,
Err(err) => {
log::error!("Error listing balancing: {:?}", err);
vec![]
}
}
}
pub async fn get_row(conn: &Connection, id: i64) -> i64 {
let query = r#"
SELECT row
FROM (
SELECT
ROW_NUMBER () OVER (ORDER BY created_at DESC) AS row,
id
FROM balancing
WHERE deleted_at IS NULL
)
WHERE id = :id
"#;
let res = conn
.call(move |conn| {
let mut stmt = conn.prepare(query)?;
let mut iter =
stmt.query_map(named_params![":id": id], |row| row.get(0))?;
utils::one::<i64, _>(&mut iter)
})
.await;
match res {
Ok(row) => row,
Err(err) => {
log::error!("Error getting balancing row: {:?}", err);
1
}
}
}
pub async fn get(conn: &Connection, id: i64) -> Option<Balancing> {
let query = r#"
SELECT
id,
source,
destination,
amount
FROM balancing
WHERE
id = :id
AND deleted_at IS NULL
"#;
let res = conn
.call(move |conn| {
let mut stmt = conn.prepare(query)?;
let mut iter =
stmt.query_map(named_params![":id": id], row_to_balancing)?;
utils::one(&mut iter)
})
.await;
match res {
Ok(balancing) => Some(balancing),
Err(err) => {
log::error!("Error looking for balancing {}: {:?}", id, err);
None
}
}
}
pub async fn create(conn: &Connection, c: Create) -> Option<i64> {
let query = r#"INSERT INTO balancing(source, destination, amount) VALUES (:source, :destination, :amount)"#;
let res: Result<_, tokio_rusqlite::Error<rusqlite::Error>> = conn
.call(move |conn| {
conn.execute(
query,
named_params![
":source": c.source,
":destination": c.destination,
":amount": c.amount,
],
)?;
Ok(conn.last_insert_rowid())
})
.await;
match res {
Ok(balancing_id) => Some(balancing_id),
Err(err) => {
log::error!("Error creating balancing: {:?}", err);
None
}
}
}
pub async fn update(conn: &Connection, id: i64, c: Update) -> bool {
let query = r#"
UPDATE balancing
SET
source = :source,
destination = :destination,
amount = :amount,
updated_at = datetime()
WHERE id = :id
"#;
let res = conn
.call(move |conn| {
conn.execute(
query,
named_params![
":source": c.source,
":destination": c.destination,
":amount": c.amount,
":id": id
],
)
})
.await;
match res {
Ok(_) => true,
Err(err) => {
log::error!("Error updating balancing {}: {:?}", id, err);
false
}
}
}
pub async fn delete(conn: &Connection, id: i64) -> bool {
let res = conn
.call(move |conn| {
conn.execute(
r#"
UPDATE
balancing
SET
deleted_at = datetime()
WHERE
id = :id
"#,
named_params![":id": id],
)
})
.await;
match res {
Ok(_) => true,
Err(err) => {
log::error!("Error deleting balancing {}: {:?}", id, err);
false
}
}
}
|
