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feat: one-to-many relation helper

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Allow one to specify that a field of a model is a foreign key.
It will generate a bunch of helper methods to query related entities
from one entity.
This commit is contained in:
Matthieu Bessat 2025-11-11 17:10:47 +01:00
parent cbe60d1bd2
commit 5e0ffe67c3
25 changed files with 764 additions and 140 deletions
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16
lib/sandbox/src/models/user.rs
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@ -2,7 +2,8 @@ use chrono::{DateTime, Utc};
use sqlx::types::Json;
use fully_pub::fully_pub;
use sqlxgentools_attrs::{sql_generator_model, SqlGeneratorDerive};
use sqlxgentools_attrs::{SqlGeneratorDerive, SqlGeneratorModelWithId, sql_generator_model};
use sqlxgentools_misc::{DatabaseLine, ForeignRef};
#[derive(sqlx::Type, Clone, Debug, PartialEq)]
#[fully_pub]
@ -13,7 +14,7 @@ enum UserStatus {
Archived
}
#[derive(SqlGeneratorDerive, sqlx::FromRow, Debug, Clone)]
#[derive(SqlGeneratorDerive, SqlGeneratorModelWithId, sqlx::FromRow, Debug, Clone)]
#[sql_generator_model(table_name="usersss")]
#[fully_pub]
struct User {
@ -26,20 +27,21 @@ struct User {
last_login_at: Option<DateTime<Utc>>,
status: UserStatus,
groups: Json<Vec<String>>,
avatar_bytes: Vec<u8>
avatar_bytes: Option<Vec<u8>>
}
#[derive(SqlGeneratorDerive, sqlx::FromRow, Debug, Clone)]
#[derive(SqlGeneratorDerive, SqlGeneratorModelWithId, sqlx::FromRow, Debug, Clone)]
#[sql_generator_model(table_name="user_tokens")]
#[fully_pub]
struct UserToken {
#[sql_generator_field(is_primary=true)]
id: String,
// #[sql_generator_field(foreign_key=Relation::BelongsTo(User))]
user_id: String,
secret: String,
last_use_time: Option<DateTime<Utc>>,
creation_time: DateTime<Utc>,
expiration_time: DateTime<Utc>
expiration_time: DateTime<Utc>,
#[sql_generator_field(reverse_relation_name="user_tokens")] // to generate get_user_tokens_of_user(&user_id)
user_id: ForeignRef<User>
}