fistinc-auth 0.1.0

Paging types for Fist Inc bank
Documentation 
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use std::sync::Arc;

use async_trait::async_trait;
use diesel::{OptionalExtension, QueryDsl, RunQueryDsl};
use diesel::prelude::*;
use email_address::EmailAddress;
use fistinc_diesel_utils::async_pool;
use fistinc_diesel_utils::database_pool::DBConnectionPool;
use fistinc_errors::RepositoryResult;
use fistinc_paging::{Paging, QueryParams};
use phonenumber::PhoneNumber;
use uuid::Uuid;

use crate::domain::entity::User;
use crate::domain::UserRepository;
use crate::infrastructure::models::UserDiesel;

pub struct UserRepositoryImpl {
    pool: Arc<DBConnectionPool>,
}

impl UserRepositoryImpl {
    pub fn new(pool: Arc<DBConnectionPool>) -> Self {
        Self {
            pool
        }
    }

    async fn total(&self) -> RepositoryResult<i64> {
        use crate::infrastructure::schema::users::dsl::users;
        async_pool::run(self.pool.clone(), move |conn| {
            users.count().get_result::<i64>(&conn)
        }).await
    }

    async fn fetch(&self, query: &dyn QueryParams) -> RepositoryResult<Vec<User>> {
        use crate::infrastructure::schema::users::dsl::users;
        let builder = users
            .limit(query.limit())
            .offset(query.offset());
        let result: Vec<_> =
            async_pool::run(self.pool.clone(), move |conn| {
                builder.load::<UserDiesel>(&conn)
            }).await?;
        Ok(result.into_iter().map(|v| -> User { v.into() }).collect())
    }

    fn map_option_user(value: Option<UserDiesel>) -> Option<User> {
        value.map(|v| -> User { v.into() })
    }
}

#[async_trait]
impl UserRepository for UserRepositoryImpl {
    async fn find_all(&self, params: &dyn QueryParams) -> RepositoryResult<Paging<User>> {
        let total = self.total();
        let users = self.fetch(params);
        Ok(Paging {
            total: total.await?,
            items: users.await?,
        })
    }

    async fn find(&self, user_id: Uuid) -> RepositoryResult<Option<User>> {
        use crate::infrastructure::schema::users::dsl::{id, users};
        let id_filter = user_id.to_string();
        async_pool::run(self.pool.clone(), move |conn| {
            users
                .filter(id.eq(id_filter))
                .first::<UserDiesel>(&conn)
                .optional()
        }).await
            .map(Self::map_option_user)
    }

    async fn find_by_email(&self, user_email: &EmailAddress) -> RepositoryResult<Option<User>> {
        use crate::infrastructure::schema::users::dsl::{email, users};
        let email_filter = user_email.to_string();
        async_pool::run(self.pool.clone(), move |conn| {
            users
                .filter(email.eq(email_filter))
                .first::<UserDiesel>(&conn)
                .optional()
        }).await
            .map(Self::map_option_user)
    }

    async fn find_by_phone(&self, user_phone: &PhoneNumber) -> RepositoryResult<Option<User>> {
        use crate::infrastructure::schema::users::dsl::{phone, users};
        let phone_filter = user_phone.to_string();
        async_pool::run(self.pool.clone(), move |conn| {
            users
                .filter(phone.eq(phone_filter))
                .first::<UserDiesel>(&conn)
                .optional()
        }).await
            .map(Self::map_option_user)
    }

    async fn create(&self, user: &User) -> RepositoryResult<()> {
        use crate::infrastructure::schema::users::dsl::users;
        let user_diesel = UserDiesel::from(user.clone());
        async_pool::run(self.pool.clone(), move |conn| {
            diesel::insert_into(users)
                .values(user_diesel)
                .execute(&conn)
        }).await?;
        Ok(())
    }

    async fn update(&self, user: &User) -> RepositoryResult<()> {
        use crate::infrastructure::schema::users::dsl::{id, users};
        let id_filter = user.id.to_string();
        let user_diesel = UserDiesel::from(user.clone());
        async_pool::run(self.pool.clone(), move |conn| {
            diesel::update(users)
                .filter(id.eq(id_filter))
                .set(user_diesel)
                .execute(&conn)
        }).await?;
        Ok(())
    }

    async fn delete(&self, user_id: Uuid) -> RepositoryResult<()> {
        use crate::infrastructure::schema::users::dsl::{id, users};
        let id_filter = user_id.to_string();
        async_pool::run(self.pool.clone(), move |conn| {
            diesel::delete(users)
                .filter(id.eq(id_filter))
                .execute(&conn)
        }).await?;
        Ok(())
    }
}