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pub(crate) mod sql_db;
use async_trait::async_trait;
use sqlx::{Postgres, Sqlite};
use std::sync::Arc;
use uuid::Uuid;
use crate::{
Address, AddressType, AddressValidation, Credential, CredentialId, CredentialType, Identity,
IdentityId,
};
use self::sql_db::SqlClient;
#[derive(Debug, thiserror::Error, derive_more::Display)]
pub enum StoreError {
SqlClientError(#[from] sqlx::Error),
SerdeError(#[from] serde_json::Error),
ParseError(#[from] strum::ParseError),
StoreValueCannotBeParsedInvariant,
IdempotentCheckAlreadyExists,
}
#[async_trait]
pub trait Store: Send + Sync {
fn get_type(&self) -> StoreType;
}
pub enum StoreType {
Postgres { c: Arc<SqlClient<Postgres>> },
Sqlite { c: Arc<SqlClient<Sqlite>> },
}
#[async_trait]
pub(crate) trait Storable<'a> {
type Item;
type Lens;
async fn write(&self, store: Arc<dyn Store>) -> Result<(), StoreError>;
async fn find(
store: Arc<dyn Store>,
lens: &'a Self::Lens,
) -> Result<Vec<Self::Item>, StoreError>;
}
pub(crate) trait Lens {}
pub(crate) struct AddressLens<'a> {
pub id: Option<&'a Uuid>,
pub t: Option<&'a AddressType>,
}
impl<'a> Lens for AddressLens<'a> {}
pub(crate) struct AddressValidationLens<'a> {
pub id: Option<&'a Uuid>,
}
impl<'a> Lens for AddressValidationLens<'a> {}
pub(crate) struct IdentityLens<'a> {
pub id: Option<&'a Uuid>,
pub address_type: Option<&'a AddressType>,
pub validated_address: Option<bool>,
}
impl<'a> Lens for IdentityLens<'a> {}
pub(crate) struct CredentialLens<'a> {
pub id: Option<CredentialId>,
pub identity_id: Option<IdentityId>,
pub t: Option<&'a CredentialType>,
}
impl<'a> Lens for CredentialLens<'a> {}
#[async_trait]
impl<'a> Storable<'a> for Address {
type Item = Address;
type Lens = AddressLens<'a>;
async fn write(&self, store: Arc<dyn Store>) -> Result<(), StoreError> {
match store.get_type() {
StoreType::Postgres { c } => c.write_address(self).await?,
StoreType::Sqlite { c } => c.write_address(self).await?,
}
Ok(())
}
async fn find(
store: Arc<dyn Store>,
lens: &'a Self::Lens,
) -> Result<Vec<Self::Item>, StoreError> {
let typ = lens.t.map(|at| at.to_string());
let typ = typ.as_deref();
let val = lens.t.and_then(|at| at.get_value());
let val = val.as_deref();
Ok(match store.get_type() {
StoreType::Postgres { c } => c.find_address(lens.id, typ, val).await?,
StoreType::Sqlite { c } => c.find_address(lens.id, typ, val).await?,
})
}
}
#[async_trait]
impl<'a> Storable<'a> for AddressValidation {
type Item = AddressValidation;
type Lens = AddressValidationLens<'a>;
async fn write(&self, store: Arc<dyn Store>) -> Result<(), StoreError> {
match store.get_type() {
StoreType::Sqlite { c } => c.write_address_validation(self).await?,
StoreType::Postgres { c } => c.write_address_validation(self).await?,
}
Ok(())
}
async fn find(
store: Arc<dyn Store>,
lens: &'a Self::Lens,
) -> Result<Vec<Self::Item>, StoreError> {
Ok(match store.get_type() {
StoreType::Postgres { c } => c.find_address_validation(lens.id).await?,
StoreType::Sqlite { c } => c.find_address_validation(lens.id).await?,
})
}
}
#[async_trait]
impl<'a> Storable<'a> for Identity {
type Item = Identity;
type Lens = IdentityLens<'a>;
async fn write(&self, store: Arc<dyn Store>) -> Result<(), StoreError> {
match store.get_type() {
StoreType::Postgres { c } => c.write_identity(self).await?,
StoreType::Sqlite { c } => c.write_identity(self).await?,
}
Ok(())
}
async fn find(
store: Arc<dyn Store>,
lens: &'a Self::Lens,
) -> Result<Vec<Self::Item>, StoreError> {
let val = lens.address_type.and_then(|at| at.get_value());
let val = val.as_deref();
Ok(match store.get_type() {
StoreType::Postgres { c } => {
c.find_identity(lens.id, val, lens.validated_address)
.await?
}
StoreType::Sqlite { c } => {
c.find_identity(lens.id, val, lens.validated_address)
.await?
}
})
}
}
#[async_trait]
impl<'a> Storable<'a> for Credential {
type Item = Credential;
type Lens = CredentialLens<'a>;
async fn write(&self, store: Arc<dyn Store>) -> Result<(), StoreError> {
match store.get_type() {
StoreType::Postgres { c } => c.write_credential(self).await?,
StoreType::Sqlite { c } => c.write_credential(self).await?,
}
Ok(())
}
async fn find(
store: Arc<dyn Store>,
lens: &'a Self::Lens,
) -> Result<Vec<Self::Item>, StoreError> {
Ok(match store.get_type() {
StoreType::Postgres { c } => {
c.find_credential(lens.id, lens.identity_id, lens.t).await?
}
StoreType::Sqlite { c } => c.find_credential(lens.id, lens.identity_id, lens.t).await?,
})
}
}
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