server: allow NULL for display_name

Fixes #387.
This commit is contained in:
Valentin Tolmer 2023-02-10 11:07:14 +01:00 committed by nitnelave
parent 648848c816
commit 8f2c5b397c
2 changed files with 114 additions and 17 deletions

View File

@ -2,10 +2,12 @@ use crate::domain::{
sql_tables::{DbConnection, SchemaVersion},
types::{GroupId, UserId, Uuid},
};
use sea_orm::{ConnectionTrait, FromQueryResult, Statement};
use sea_orm::{ConnectionTrait, FromQueryResult, Statement, TransactionTrait};
use sea_query::{ColumnDef, Expr, ForeignKey, ForeignKeyAction, Iden, Query, Table, Value};
use serde::{Deserialize, Serialize};
use tracing::{instrument, warn};
use tracing::{info, instrument, warn};
use super::sql_tables::LAST_SCHEMA_VERSION;
#[derive(Iden, PartialEq, Eq, Debug, Serialize, Deserialize, Clone)]
pub enum Users {
@ -331,11 +333,87 @@ pub async fn upgrade_to_v1(pool: &DbConnection) -> std::result::Result<(), sea_o
}
pub async fn migrate_from_version(
_pool: &DbConnection,
pool: &DbConnection,
version: SchemaVersion,
) -> anyhow::Result<()> {
if version.0 > 1 {
if version > LAST_SCHEMA_VERSION {
anyhow::bail!("DB version downgrading is not supported");
} else if version == LAST_SCHEMA_VERSION {
return Ok(());
}
info!(
"Upgrading DB schema from {} to {}",
version.0, LAST_SCHEMA_VERSION.0
);
let builder = pool.get_database_backend();
if version < SchemaVersion(2) {
// Drop the not_null constraint on display_name. Due to Sqlite, this is more complicated:
// - rename the display_name column to a temporary name
// - create the display_name column without the constraint
// - copy the data from the temp column to the new one
// - update the new one to replace empty strings with null
// - drop the old one
pool.transaction::<_, (), sea_orm::DbErr>(|transaction| {
Box::pin(async move {
#[derive(Iden)]
enum TempUsers {
TempDisplayName,
}
transaction
.execute(
builder.build(
Table::alter()
.table(Users::Table)
.rename_column(Users::DisplayName, TempUsers::TempDisplayName),
),
)
.await?;
transaction
.execute(
builder.build(
Table::alter()
.table(Users::Table)
.add_column(ColumnDef::new(Users::DisplayName).string_len(255)),
),
)
.await?;
transaction
.execute(builder.build(Query::update().table(Users::Table).value(
Users::DisplayName,
Expr::col((Users::Table, TempUsers::TempDisplayName)),
)))
.await?;
transaction
.execute(
builder.build(
Query::update()
.table(Users::Table)
.value(Users::DisplayName, Option::<String>::None)
.cond_where(Expr::col(Users::DisplayName).eq("")),
),
)
.await?;
transaction
.execute(
builder.build(
Table::alter()
.table(Users::Table)
.drop_column(TempUsers::TempDisplayName),
),
)
.await?;
Ok(())
})
})
.await?;
}
pool.execute(
builder.build(
Query::update()
.table(Metadata::Table)
.value(Metadata::Version, Value::from(LAST_SCHEMA_VERSION)),
),
)
.await?;
Ok(())
}

View File

@ -3,7 +3,7 @@ use sea_orm::Value;
pub type DbConnection = sea_orm::DatabaseConnection;
#[derive(Copy, PartialEq, Eq, Debug, Clone)]
#[derive(Copy, PartialEq, Eq, Debug, Clone, PartialOrd, Ord)]
pub struct SchemaVersion(pub i16);
impl sea_orm::TryGetable for SchemaVersion {
@ -22,6 +22,8 @@ impl From<SchemaVersion> for Value {
}
}
pub const LAST_SCHEMA_VERSION: SchemaVersion = SchemaVersion(2);
pub async fn init_table(pool: &DbConnection) -> anyhow::Result<()> {
let version = {
if let Some(version) = get_schema_version(pool).await {
@ -99,14 +101,21 @@ mod tests {
let sql_pool = get_in_memory_db().await;
sql_pool
.execute(raw_statement(
r#"CREATE TABLE users ( user_id TEXT , creation_date TEXT);"#,
r#"CREATE TABLE users ( user_id TEXT, display_name TEXT, creation_date TEXT);"#,
))
.await
.unwrap();
sql_pool
.execute(raw_statement(
r#"INSERT INTO users (user_id, creation_date)
VALUES ("bôb", "1970-01-01 00:00:00")"#,
r#"INSERT INTO users (user_id, display_name, creation_date)
VALUES ("bôb", "", "1970-01-01 00:00:00")"#,
))
.await
.unwrap();
sql_pool
.execute(raw_statement(
r#"INSERT INTO users (user_id, display_name, creation_date)
VALUES ("john", "John Doe", "1971-01-01 00:00:00")"#,
))
.await
.unwrap();
@ -132,17 +141,27 @@ mod tests {
.await
.unwrap();
#[derive(FromQueryResult, PartialEq, Eq, Debug)]
struct JustUuid {
struct SimpleUser {
display_name: Option<String>,
uuid: Uuid,
}
assert_eq!(
JustUuid::find_by_statement(raw_statement(r#"SELECT uuid FROM users"#))
.all(&sql_pool)
.await
.unwrap(),
vec![JustUuid {
uuid: crate::uuid!("a02eaf13-48a7-30f6-a3d4-040ff7c52b04")
}]
SimpleUser::find_by_statement(raw_statement(
r#"SELECT display_name, uuid FROM users ORDER BY display_name"#
))
.all(&sql_pool)
.await
.unwrap(),
vec![
SimpleUser {
display_name: None,
uuid: crate::uuid!("a02eaf13-48a7-30f6-a3d4-040ff7c52b04")
},
SimpleUser {
display_name: Some("John Doe".to_owned()),
uuid: crate::uuid!("986765a5-3f03-389e-b47b-536b2d6e1bec")
}
]
);
#[derive(FromQueryResult, PartialEq, Eq, Debug)]
struct ShortGroupDetails {
@ -180,7 +199,7 @@ mod tests {
.unwrap()
.unwrap(),
sql_migrations::JustSchemaVersion {
version: SchemaVersion(1)
version: LAST_SCHEMA_VERSION
}
);
}