jap_learn/src/data_provider/word_groups.rs

use crate::data::entities::WordGroup;
use crate::data::repositories::{DataRepository, DataRepositoryInner};
use crate::data_provider::{SqliteDbLayer, TableAccessQuerySet};
use rusqlite::{Error, Params, Row};

pub type WordGroupRepository = DataRepository<WordGroup, WordGroupDataLayer>;
pub type WordGroupRepositoryInner = DataRepositoryInner<WordGroup, WordGroupDataLayer>;
pub type WordGroupDataLayer = SqliteDbLayer<WordGroup, WordGroupQuerySet>;

#[derive(Clone)]
pub struct WordGroupQuerySet;
impl TableAccessQuerySet<WordGroup> for WordGroupQuerySet {
    fn load() -> &'static str {
        "SELECT id, name FROM word_groups"
    }

    fn save() -> &'static str {
        "UPDATE word_groups SET name = ?1 WHERE id = ?2"
    }

    fn add() -> &'static str {
        "INSERT INTO word_groups (name) VALUES (?1) RETURNING id"
    }

    fn name() -> &'static str {
        "word_groups"
    }

    fn from_sql(row: &Row) -> Result<WordGroup, Error> {
        Ok(WordGroup {
            id: row.get(0)?,
            name: row.get(1)?,
        })
    }

    fn insert_params(entity: &WordGroup) -> impl Params {
        (&entity.name,)
    }

    fn update_params(entity: &WordGroup) -> impl Params {
        (&entity.name, entity.id)
    }
}