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Allow no ORDER BY clause by default in list method

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This commit is contained in:
Tyler Hallada 2020-07-18 18:10:45 -04:00
parent 359096e0bf
commit 9ea3e35359
3 changed files with 56 additions and 29 deletions
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9
src/models/mod.rs
View File

@ -37,10 +37,11 @@ pub struct ListParams {
}
impl ListParams {
pub fn get_order_by(&self) -> String {
let default_order_by = "updated_at".to_string();
let order_by = self.order_by.as_ref().unwrap_or(&default_order_by);
pub fn get_order_by(&self) -> Option<String> {
if let Some(order_by) = self.order_by.as_ref() {
let order = self.order.as_ref().unwrap_or(&Order::Desc);
format!("{} {}", order_by, order)
return Some(format!("{} {}", order_by, order));
}
None
}
}

19
src/models/owner.rs
View File

@ -62,18 +62,31 @@ impl Model for Owner {
async fn list(db: &PgPool, list_params: ListParams) -> Result<Vec<Self>> {
let timer = std::time::Instant::now();
let result = sqlx::query_as!(
let result = if let Some(order_by) = list_params.get_order_by() {
sqlx::query_as!(
Self,
"SELECT * FROM owners
ORDER BY $1
LIMIT $2
OFFSET $3",
list_params.get_order_by(),
order_by,
list_params.limit.unwrap_or(10),
list_params.offset.unwrap_or(0),
)
.fetch_all(db)
.await?;
.await?
} else {
sqlx::query_as!(
Self,
"SELECT * FROM owners
LIMIT $1
OFFSET $2",
list_params.limit.unwrap_or(10),
list_params.offset.unwrap_or(0),
)
.fetch_all(db)
.await?
};
let elapsed = timer.elapsed();
debug!("SELECT * FROM owners ... {:.3?}", elapsed);
Ok(result)

19
src/models/shop.rs
View File

@ -67,18 +67,31 @@ impl Model for Shop {
async fn list(db: &PgPool, list_params: ListParams) -> Result<Vec<Self>> {
let timer = std::time::Instant::now();
let result = sqlx::query_as!(
let result = if let Some(order_by) = list_params.get_order_by() {
sqlx::query_as!(
Self,
"SELECT * FROM shops
ORDER BY $1
LIMIT $2
OFFSET $3",
list_params.get_order_by(),
order_by,
list_params.limit.unwrap_or(10),
list_params.offset.unwrap_or(0),
)
.fetch_all(db)
.await?;
.await?
} else {
sqlx::query_as!(
Self,
"SELECT * FROM shops
LIMIT $1
OFFSET $2",
list_params.limit.unwrap_or(10),
list_params.offset.unwrap_or(0),
)
.fetch_all(db)
.await?
};
let elapsed = timer.elapsed();
debug!("SELECT * FROM shops ... {:.3?}", elapsed);
Ok(result)