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Flags

autumn_web::feature_flags

Struct Flags 

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pub struct Flags { /* private fields */ }
Expand description

Request extractor that resolves the current user’s flag service handle.

Extracts FeatureFlagService from the AppState extension slot. If no service is registered the extraction fails with 500 Internal Server Error.

ⓘ
use autumn_web::prelude::*;
use autumn_web::feature_flags::Flags;

#[get("/dashboard")]
async fn dashboard(flags: Flags) -> Markup {
    html! {
        @if flags.enabled("beta_inbox") {
            (render_beta_inbox())
        }
    }
}

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impl Flags

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pub fn enabled(&self, flag_key: &str) -> bool

Return true if flag_key is enabled for the current actor.

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pub const fn service(&self) -> &FeatureFlagService

Return the underlying service for direct mutation from handlers.

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impl FromRequestParts<AppState> for Flags

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type Rejection = AutumnError

If the extractor fails it’ll use this “rejection” type. A rejection is a kind of error that can be converted into a response.
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async fn from_request_parts( parts: &mut Parts, state: &AppState, ) -> Result<Self, Self::Rejection>

Perform the extraction.

Auto Trait Implementations§

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impl !RefUnwindSafe for Flags

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impl !UnwindSafe for Flags

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impl Freeze for Flags

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impl Send for Flags

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impl Sync for Flags

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impl Unpin for Flags

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impl UnsafeUnpin for Flags

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impl<T> AggregateExpressionMethods for T

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fn aggregate_distinct(self) -> Self::Output
where Self: DistinctDsl,

DISTINCT modifier for aggregate functions Read more
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fn aggregate_all(self) -> Self::Output
where Self: AllDsl,

ALL modifier for aggregate functions Read more
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fn aggregate_filter<P>(self, f: P) -> Self::Output
where P: AsExpression<Bool>, Self: FilterDsl<<P as AsExpression<Bool>>::Expression>,

Add an aggregate function filter Read more
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fn aggregate_order<O>(self, o: O) -> Self::Output
where Self: OrderAggregateDsl<O>,

Add an aggregate function order Read more
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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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impl<T> Downcast for T
where T: Any,

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fn into_any(self: Box<T>) -> Box<dyn Any>

Converts Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>, which can then be downcast into Box<dyn ConcreteType> where ConcreteType implements Trait.
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fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

Converts Rc<Trait> (where Trait: Downcast) to Rc<Any>, which can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.
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fn as_any(&self) -> &(dyn Any + 'static)

Converts &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Converts &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.
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where T: Any + Send,

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fn into_any_send(self: Box<T>) -> Box<dyn Any + Send>

Converts Box<Trait> (where Trait: DowncastSend) to Box<dyn Any + Send>, which can then be downcast into Box<ConcreteType> where ConcreteType implements Trait.
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impl<T> DowncastSync for T
where T: Any + Send + Sync,

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fn into_any_sync(self: Box<T>) -> Box<dyn Any + Send + Sync>

Converts Box<Trait> (where Trait: DowncastSync) to Box<dyn Any + Send + Sync>, which can then be downcast into Box<ConcreteType> where ConcreteType implements Trait.
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fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Send + Sync> ⓘ

Converts Arc<Trait> (where Trait: DowncastSync) to Arc<Any>, which can then be downcast into Arc<ConcreteType> where ConcreteType implements Trait.
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<S, T> FromRequest<S, ViaParts> for T
where S: Send + Sync, T: FromRequestParts<S>,

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type Rejection = <T as FromRequestParts<S>>::Rejection

If the extractor fails it’ll use this “rejection” type. A rejection is a kind of error that can be converted into a response.
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fn from_request( req: Request<Body>, state: &S, ) -> impl Future<Output = Result<T, <T as FromRequest<S, ViaParts>>::Rejection>>

Perform the extraction.
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impl<A, B, T> HttpServerConnExec<A, B> for T
where B: Body,

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoSql for T

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fn into_sql<T>(self) -> Self::Expression
where Self: Sized + AsExpression<T>, T: SqlType + TypedExpressionType,

Convert self to an expression for Diesel’s query builder. Read more
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fn as_sql<'a, T>(&'a self) -> <&'a Self as AsExpression<T>>::Expression
where &'a Self: AsExpression<T>, T: SqlType + TypedExpressionType,

Convert &self to an expression for Diesel’s query builder. Read more
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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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Dereferences the given pointer. Read more
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Mutably dereferences the given pointer. Read more
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Drops the object pointed to by the given pointer. Read more
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impl<T> PolicyExt for T
where T: ?Sized,

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fn and<P, B, E>(self, other: P) -> And<T, P>
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Create a new Policy that returns Action::Follow only if self and other return Action::Follow. Read more
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fn or<P, B, E>(self, other: P) -> Or<T, P>
where T: Sized + Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow if either self or other returns Action::Follow. Read more
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impl<T> Read<Exclusive, BecauseExclusive> for T
where T: ?Sized,

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impl<T, Conn> RunQueryDsl<Conn> for T

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fn execute<'conn, 'query>( self, conn: &'conn mut Conn, ) -> <Conn as AsyncConnectionCore>::ExecuteFuture<'conn, 'query>
where Conn: AsyncConnectionCore + Send, Self: ExecuteDsl<Conn> + 'query,

Executes the given command, returning the number of rows affected. Read more
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fn load<'query, 'conn, U>( self, conn: &'conn mut Conn, ) -> AndThen<Self::LoadFuture<'conn>, TryCollect<Self::Stream<'conn>, Vec<U>>>
where U: Send, Conn: AsyncConnectionCore, Self: LoadQuery<'query, Conn, U> + 'query,

Executes the given query, returning a Vec with the returned rows. Read more
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fn load_stream<'conn, 'query, U>( self, conn: &'conn mut Conn, ) -> Self::LoadFuture<'conn>
where Conn: AsyncConnectionCore, U: 'conn, Self: LoadQuery<'query, Conn, U> + 'query,

Executes the given query, returning a [Stream] with the returned rows. Read more
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fn get_result<'query, 'conn, U>( self, conn: &'conn mut Conn, ) -> AndThen<Self::LoadFuture<'conn>, LoadNext<Pin<Box<Self::Stream<'conn>>>>>
where U: Send + 'conn, Conn: AsyncConnectionCore, Self: LoadQuery<'query, Conn, U> + 'query,

Runs the command, and returns the affected row. Read more
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fn get_results<'query, 'conn, U>( self, conn: &'conn mut Conn, ) -> AndThen<Self::LoadFuture<'conn>, TryCollect<Self::Stream<'conn>, Vec<U>>>
where U: Send, Conn: AsyncConnectionCore, Self: LoadQuery<'query, Conn, U> + 'query,

Runs the command, returning an Vec with the affected rows. Read more
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fn first<'query, 'conn, U>( self, conn: &'conn mut Conn, ) -> AndThen<<Self::Output as LoadQuery<'query, Conn, U>>::LoadFuture<'conn>, LoadNext<Pin<Box<<Self::Output as LoadQuery<'query, Conn, U>>::Stream<'conn>>>>>
where U: Send + 'conn, Conn: AsyncConnectionCore, Self: LimitDsl, Self::Output: LoadQuery<'query, Conn, U> + Send + 'query,

Attempts to load a single record. Read more
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> Scoped for T
where T: Send + Sync + 'static,

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fn scope(ctx: &PolicyContext) -> ScopeQuery<'_, Self>

Open a deferred ScopeQuery for this type. Resolves the registered scope at .load() time, not here.
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impl<T> TaskExtractor for T
where T: FromRequestParts<AppState> + Send, <T as FromRequestParts<AppState>>::Rejection: Into<AutumnError> + Send,

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fn from_task_parts<'a>( parts: &'a mut Parts, state: &'a AppState, ) -> Pin<Box<dyn Future<Output = Result<T, AutumnError>> + Send + 'a>>

Resolve an argument from task request parts and app state.
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impl<T, U> TryFrom<U> for T
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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
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fn vzip(self) -> V

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impl<T> WindowExpressionMethods for T

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fn over(self) -> Self::Output
where Self: OverDsl,

Turn a function call into a window function call Read more
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fn window_filter<P>(self, f: P) -> Self::Output
where P: AsExpression<Bool>, Self: FilterDsl<<P as AsExpression<Bool>>::Expression>,

Add a filter to the current window function Read more
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fn partition_by<E>(self, expr: E) -> Self::Output
where Self: PartitionByDsl<E>,

Add a partition clause to the current window function Read more
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fn window_order<E>(self, expr: E) -> Self::Output
where Self: OrderWindowDsl<E>,

Add a order clause to the current window function Read more
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fn frame_by<E>(self, expr: E) -> Self::Output
where Self: FrameDsl<E>,

Add a frame clause to the current window function Read more
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where S: Into<Dispatch>,

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