Struct PreferenceProvider 

pub struct PreferenceProvider<E>
where
    E: Error + Debug + From<Error> + From<Error> + Send + Sync + 'static,
{ /* private fields */ }

Available on crate feature preferences only.

Store preferences in a database table.

Implementations

impl<E> PreferenceProvider<E>

where E: Error + Debug + From<Error> + From<Error> + Send + Sync + 'static,

pub fn new(client: Client) -> Self

Create a new preferences database provider.

Trait Implementations

impl<E> PreferencesStorage for PreferenceProvider<E>

where E: Error + Debug + From<Error> + From<Error> + Send + Sync + 'static,

type Error = E

Error type.

fn load_preferences<'life0, 'life1, 'async_trait>( &'life0 self, account_id: Option<&'life1 AccountId>, ) -> Pin<Box<dyn Future<Output = Result<PreferenceMap, Self::Error>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Load preferences from storage.

fn insert_preference<'life0, 'life1, 'life2, 'life3, 'async_trait>( &'life0 self, account_id: Option<&'life1 AccountId>, key: &'life2 str, pref: &'life3 Preference, ) -> Pin<Box<dyn Future<Output = Result<(), Self::Error>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait, 'life3: 'async_trait,

Insert preference into storage.

fn remove_preference<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, account_id: Option<&'life1 AccountId>, key: &'life2 str, ) -> Pin<Box<dyn Future<Output = Result<(), Self::Error>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

Remove preference from storage.

fn clear_preferences<'life0, 'life1, 'async_trait>( &'life0 self, account_id: Option<&'life1 AccountId>, ) -> Pin<Box<dyn Future<Output = Result<(), Self::Error>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Remove all preferences from storage.