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Make items optional in a collection

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asonix 2020-07-25 21:22:18 -05:00
parent 30af390078
commit bbbae3d951
4 changed files with 126 additions and 95 deletions
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2
Cargo.toml
View file

@ -1,7 +1,7 @@
[package]
name = "activitystreams"
description = "A set of core types and traits for activitystreams data"
version = "0.7.0-alpha.0"
version = "0.7.0-alpha.1"
license = "GPL-3.0"
authors = ["asonix <asonix@asonix.dog>"]
repository = "https://git.asonix.dog/Aardwolf/activitystreams"

5
examples/de.rs
View file

@ -47,10 +47,9 @@ fn main() -> Result<(), Error> {
println!("{:#?}", collection);
let v: Vec<ApObject<Page>> = collection
.items()
.clone()
.many()
.take_items()
.into_iter()
.map(|o| o.many().into_iter().flatten())
.flatten()
.filter_map(|any_base| any_base.take_base())
.map(|base| base.solidify().and_then(|o| o.extend()))

212
src/collection.rs
View file

@ -9,11 +9,10 @@
//! uri,
//! };
//!
//! let mut collection = OrderedCollection::new(vec![
//! uri!("https://example.com/notes/1234").into(),
//! ]);
//! let mut collection = OrderedCollection::new();
//!
//! collection
//! .set_items(uri!("https://example.com/notes/1234"))
//! .set_total_items(1u64)
//! .set_current(uri!("https://example.com/notes/1234"))
//! .set_first(uri!("https://example.com/notes/1234"))
@ -83,19 +82,19 @@ pub trait CollectionExt<Kind>: AsCollection<Kind> {
/// Fetch the items for the current activity
///
/// ```rust
/// # use activitystreams::{context, collection::UnorderedCollection};
/// # let mut collection = UnorderedCollection::new(vec![context().into()]);
/// # use activitystreams::{collection::UnorderedCollection};
/// # let mut collection = UnorderedCollection::new();
/// #
/// use activitystreams::prelude::*;
///
/// let items_ref = collection.items();
/// println!("{:?}", items_ref);
/// ```
fn items<'a>(&'a self) -> &'a OneOrMany<AnyBase>
fn items<'a>(&'a self) -> Option<&'a OneOrMany<AnyBase>>
where
Kind: 'a,
{
&self.collection_ref().items
self.collection_ref().items.as_ref()
}
/// Set the items for the current activity
@ -105,8 +104,8 @@ pub trait CollectionExt<Kind>: AsCollection<Kind> {
/// ```rust
/// # fn main() -> Result<(), anyhow::Error> {
/// use activitystreams::prelude::*;
/// # use activitystreams::{context, collection::UnorderedCollection, uri};
/// # let mut collection = UnorderedCollection::new(vec![context().into()]);
/// # use activitystreams::{collection::UnorderedCollection, uri};
/// # let mut collection = UnorderedCollection::new();
///
/// collection.set_items(uri!("https://example.com"));
/// # Ok(())
@ -116,7 +115,7 @@ pub trait CollectionExt<Kind>: AsCollection<Kind> {
where
T: Into<AnyBase>,
{
self.collection_mut().items = item.into().into();
self.collection_mut().items = Some(item.into().into());
self
}
@ -127,8 +126,8 @@ pub trait CollectionExt<Kind>: AsCollection<Kind> {
/// ```rust
/// # fn main() -> Result<(), anyhow::Error> {
/// use activitystreams::prelude::*;
/// # use activitystreams::{context, collection::UnorderedCollection, uri};
/// # let mut collection = UnorderedCollection::new(vec![context().into()]);
/// # use activitystreams::{collection::UnorderedCollection, uri};
/// # let mut collection = UnorderedCollection::new();
///
/// collection.set_many_items(vec![
/// uri!("https://example.com/one"),
@ -143,7 +142,7 @@ pub trait CollectionExt<Kind>: AsCollection<Kind> {
T: Into<AnyBase>,
{
let v: Vec<_> = items.into_iter().map(Into::into).collect();
self.collection_mut().items = v.into();
self.collection_mut().items = Some(v.into());
self
}
@ -154,8 +153,8 @@ pub trait CollectionExt<Kind>: AsCollection<Kind> {
/// ```rust
/// # fn main() -> Result<(), anyhow::Error> {
/// use activitystreams::prelude::*;
/// # use activitystreams::{context, collection::UnorderedCollection, uri};
/// # let mut collection = UnorderedCollection::new(vec![context().into()]);
/// # use activitystreams::{collection::UnorderedCollection, uri};
/// # let mut collection = UnorderedCollection::new();
///
/// collection
/// .add_items(uri!("https://example.com/one"))
@ -167,15 +166,53 @@ pub trait CollectionExt<Kind>: AsCollection<Kind> {
where
T: Into<AnyBase>,
{
self.collection_mut().items.add(item.into());
match self.collection_mut().items {
Some(ref mut items) => {
items.add(item.into());
}
None => self.collection_mut().items = Some(item.into().into()),
}
self
}
/// Take the items of the current object, leaving nothing
///
/// ```rust
/// # use activitystreams::{collection::UnorderedCollection};
/// # let mut collection = UnorderedCollection::new();
/// use activitystreams::prelude::*;
///
/// if let Some(items) = collection.take_items() {
/// println!("{:?}", items);
/// }
/// ```
fn take_items(&mut self) -> Option<OneOrMany<AnyBase>> {
self.collection_mut().items.take()
}
/// Delete the items from the current object
///
/// ```rust
/// # use activitystreams::{context, collection::UnorderedCollection};
/// # let mut collection = UnorderedCollection::new();
/// # collection.set_items(context());
/// use activitystreams::prelude::*;
///
/// assert!(collection.items().is_some());
/// collection.delete_items();
/// assert!(collection.items().is_none());
/// ```
fn delete_items(&mut self) -> &mut Self {
self.collection_mut().items = None;
self
}
/// Fetch the total_items of the current object
///
/// ```rust
/// # use activitystreams::{context, collection::UnorderedCollection};
/// # let mut collection = UnorderedCollection::new(vec![context().into()]);
/// # use activitystreams::{collection::UnorderedCollection};
/// # let mut collection = UnorderedCollection::new();
/// use activitystreams::prelude::*;
///
/// if let Some(total_items) = collection.total_items() {
@ -194,8 +231,8 @@ pub trait CollectionExt<Kind>: AsCollection<Kind> {
/// This overwrites the contents of total_items
///
/// ```rust
/// # use activitystreams::{context, collection::UnorderedCollection};
/// # let mut collection = UnorderedCollection::new(vec![context().into()]);
/// # use activitystreams::{collection::UnorderedCollection};
/// # let mut collection = UnorderedCollection::new();
/// use activitystreams::prelude::*;
///
/// collection.set_total_items(5u64);
@ -211,11 +248,11 @@ pub trait CollectionExt<Kind>: AsCollection<Kind> {
/// Take the total_items of the current object, leaving nothing
///
/// ```rust
/// # use activitystreams::{context, collection::UnorderedCollection};
/// # let mut collection = UnorderedCollection::new(vec![context().into()]);
/// # use activitystreams::{collection::UnorderedCollection};
/// # let mut collection = UnorderedCollection::new();
/// use activitystreams::prelude::*;
///
/// if let Some(total_items) = collection.total_items() {
/// if let Some(total_items) = collection.take_total_items() {
/// println!("{:?}", total_items);
/// }
/// ```
@ -226,8 +263,8 @@ pub trait CollectionExt<Kind>: AsCollection<Kind> {
/// Delete the total_items from the current object
///
/// ```rust
/// # use activitystreams::{context, collection::UnorderedCollection};
/// # let mut collection = UnorderedCollection::new(vec![context().into()]);
/// # use activitystreams::{collection::UnorderedCollection};
/// # let mut collection = UnorderedCollection::new();
/// # collection.set_total_items(5u64);
/// use activitystreams::prelude::*;
///
@ -243,8 +280,8 @@ pub trait CollectionExt<Kind>: AsCollection<Kind> {
/// Fetch the current field for the current object
///
/// ```rust
/// # use activitystreams::{context, collection::UnorderedCollection};
/// # let mut collection = UnorderedCollection::new(vec![context().into()]);
/// # use activitystreams::{collection::UnorderedCollection};
/// # let mut collection = UnorderedCollection::new();
/// #
/// use activitystreams::prelude::*;
///
@ -265,8 +302,8 @@ pub trait CollectionExt<Kind>: AsCollection<Kind> {
///
/// ```rust
/// # fn main() -> Result<(), anyhow::Error> {
/// # use activitystreams::{context, collection::UnorderedCollection, uri};
/// # let mut collection = UnorderedCollection::new(vec![context().into()]);
/// # use activitystreams::{collection::UnorderedCollection, uri};
/// # let mut collection = UnorderedCollection::new();
/// #
/// use activitystreams::prelude::*;
///
@ -285,8 +322,8 @@ pub trait CollectionExt<Kind>: AsCollection<Kind> {
/// Take the current field from the current object, leaving nothing
///
/// ```rust
/// # use activitystreams::{context, collection::UnorderedCollection};
/// # let mut collection = UnorderedCollection::new(vec![context().into()]);
/// # use activitystreams::{collection::UnorderedCollection};
/// # let mut collection = UnorderedCollection::new();
/// #
/// use activitystreams::prelude::*;
///
@ -302,7 +339,7 @@ pub trait CollectionExt<Kind>: AsCollection<Kind> {
///
/// ```rust
/// # use activitystreams::{context, collection::UnorderedCollection};
/// # let mut collection = UnorderedCollection::new(vec![context().into()]);
/// # let mut collection = UnorderedCollection::new();
/// # collection.set_current(context());
/// #
/// use activitystreams::prelude::*;
@ -319,8 +356,8 @@ pub trait CollectionExt<Kind>: AsCollection<Kind> {
/// Fetch the first field for the current object
///
/// ```rust
/// # use activitystreams::{context, collection::UnorderedCollection};
/// # let mut collection = UnorderedCollection::new(vec![context().into()]);
/// # use activitystreams::{collection::UnorderedCollection};
/// # let mut collection = UnorderedCollection::new();
/// #
/// use activitystreams::prelude::*;
///
@ -341,8 +378,8 @@ pub trait CollectionExt<Kind>: AsCollection<Kind> {
///
/// ```rust
/// # fn main() -> Result<(), anyhow::Error> {
/// # use activitystreams::{context, collection::UnorderedCollection};
/// # let mut collection = UnorderedCollection::new(vec![context().into()]);
/// # use activitystreams::{collection::UnorderedCollection};
/// # let mut collection = UnorderedCollection::new();
/// #
/// use activitystreams::{prelude::*, uri};
///
@ -361,8 +398,8 @@ pub trait CollectionExt<Kind>: AsCollection<Kind> {
/// Take the first field from the current object, leaving nothing
///
/// ```rust
/// # use activitystreams::{context, collection::UnorderedCollection};
/// # let mut collection = UnorderedCollection::new(vec![context().into()]);
/// # use activitystreams::{collection::UnorderedCollection};
/// # let mut collection = UnorderedCollection::new();
/// #
/// use activitystreams::prelude::*;
///
@ -378,7 +415,7 @@ pub trait CollectionExt<Kind>: AsCollection<Kind> {
///
/// ```rust
/// # use activitystreams::{context, collection::UnorderedCollection};
/// # let mut collection = UnorderedCollection::new(vec![context().into()]);
/// # let mut collection = UnorderedCollection::new();
/// # collection.set_first(context());
/// #
/// use activitystreams::prelude::*;
@ -395,8 +432,8 @@ pub trait CollectionExt<Kind>: AsCollection<Kind> {
/// Fetch the last field for the current object
///
/// ```rust
/// # use activitystreams::{context, collection::UnorderedCollection};
/// # let mut collection = UnorderedCollection::new(vec![context().into()]);
/// # use activitystreams::{collection::UnorderedCollection};
/// # let mut collection = UnorderedCollection::new();
/// #
/// use activitystreams::prelude::*;
///
@ -417,8 +454,8 @@ pub trait CollectionExt<Kind>: AsCollection<Kind> {
///
/// ```rust
/// # fn main() -> Result<(), anyhow::Error> {
/// # use activitystreams::{context, collection::UnorderedCollection};
/// # let mut collection = UnorderedCollection::new(vec![context().into()]);
/// # use activitystreams::{collection::UnorderedCollection};
/// # let mut collection = UnorderedCollection::new();
/// #
/// use activitystreams::{prelude::*, uri};
///
@ -437,8 +474,8 @@ pub trait CollectionExt<Kind>: AsCollection<Kind> {
/// Take the last field from the current object, leaving nothing
///
/// ```rust
/// # use activitystreams::{context, collection::UnorderedCollection};
/// # let mut collection = UnorderedCollection::new(vec![context().into()]);
/// # use activitystreams::{collection::UnorderedCollection};
/// # let mut collection = UnorderedCollection::new();
/// #
/// use activitystreams::prelude::*;
///
@ -454,7 +491,7 @@ pub trait CollectionExt<Kind>: AsCollection<Kind> {
///
/// ```rust
/// # use activitystreams::{context, collection::UnorderedCollection};
/// # let mut collection = UnorderedCollection::new(vec![context().into()]);
/// # let mut collection = UnorderedCollection::new();
/// # collection.set_last(context());
/// #
/// use activitystreams::prelude::*;
@ -479,8 +516,8 @@ pub trait CollectionPageExt<Kind>: AsCollectionPage<Kind> {
/// Fetch the part_of field for the current object
///
/// ```rust
/// # use activitystreams::{context, collection::UnorderedCollectionPage};
/// # let mut collection = UnorderedCollectionPage::new(vec![context().into()]);
/// # use activitystreams::{collection::UnorderedCollectionPage};
/// # let mut collection = UnorderedCollectionPage::new();
/// #
/// use activitystreams::prelude::*;
///
@ -501,8 +538,8 @@ pub trait CollectionPageExt<Kind>: AsCollectionPage<Kind> {
///
/// ```rust
/// # fn main() -> Result<(), anyhow::Error> {
/// # use activitystreams::{context, collection::UnorderedCollectionPage};
/// # let mut collection = UnorderedCollectionPage::new(vec![context().into()]);
/// # use activitystreams::{collection::UnorderedCollectionPage};
/// # let mut collection = UnorderedCollectionPage::new();
/// #
/// use activitystreams::{prelude::*, uri};
///
@ -521,8 +558,8 @@ pub trait CollectionPageExt<Kind>: AsCollectionPage<Kind> {
/// Take the part_of field from the current object, leaving nothing
///
/// ```rust
/// # use activitystreams::{context, collection::UnorderedCollectionPage};
/// # let mut collection = UnorderedCollectionPage::new(vec![context().into()]);
/// # use activitystreams::{collection::UnorderedCollectionPage};
/// # let mut collection = UnorderedCollectionPage::new();
/// #
/// use activitystreams::prelude::*;
///
@ -538,7 +575,7 @@ pub trait CollectionPageExt<Kind>: AsCollectionPage<Kind> {
///
/// ```rust
/// # use activitystreams::{context, collection::UnorderedCollectionPage};
/// # let mut collection = UnorderedCollectionPage::new(vec![context().into()]);
/// # let mut collection = UnorderedCollectionPage::new();
/// # collection.set_part_of(context());
/// #
/// use activitystreams::prelude::*;
@ -555,8 +592,8 @@ pub trait CollectionPageExt<Kind>: AsCollectionPage<Kind> {
/// Fetch the next field for the current object
///
/// ```rust
/// # use activitystreams::{context, collection::UnorderedCollectionPage};
/// # let mut collection = UnorderedCollectionPage::new(vec![context().into()]);
/// # use activitystreams::{collection::UnorderedCollectionPage};
/// # let mut collection = UnorderedCollectionPage::new();
/// #
/// use activitystreams::prelude::*;
///
@ -577,8 +614,8 @@ pub trait CollectionPageExt<Kind>: AsCollectionPage<Kind> {
///
/// ```rust
/// # fn main() -> Result<(), anyhow::Error> {
/// # use activitystreams::{context, collection::UnorderedCollectionPage};
/// # let mut collection = UnorderedCollectionPage::new(vec![context().into()]);
/// # use activitystreams::{collection::UnorderedCollectionPage};
/// # let mut collection = UnorderedCollectionPage::new();
/// #
/// use activitystreams::{prelude::*, uri};
///
@ -597,8 +634,8 @@ pub trait CollectionPageExt<Kind>: AsCollectionPage<Kind> {
/// Take the next field from the current object, leaving nothing
///
/// ```rust
/// # use activitystreams::{context, collection::UnorderedCollectionPage};
/// # let mut collection = UnorderedCollectionPage::new(vec![context().into()]);
/// # use activitystreams::{collection::UnorderedCollectionPage};
/// # let mut collection = UnorderedCollectionPage::new();
/// #
/// use activitystreams::prelude::*;
///
@ -614,7 +651,7 @@ pub trait CollectionPageExt<Kind>: AsCollectionPage<Kind> {
///
/// ```rust
/// # use activitystreams::{context, collection::UnorderedCollectionPage};
/// # let mut collection = UnorderedCollectionPage::new(vec![context().into()]);
/// # let mut collection = UnorderedCollectionPage::new();
/// # collection.set_next(context());
/// #
/// use activitystreams::prelude::*;
@ -631,8 +668,8 @@ pub trait CollectionPageExt<Kind>: AsCollectionPage<Kind> {
/// Fetch the prev field for the current object
///
/// ```rust
/// # use activitystreams::{context, collection::UnorderedCollectionPage};
/// # let mut collection = UnorderedCollectionPage::new(vec![context().into()]);
/// # use activitystreams::{collection::UnorderedCollectionPage};
/// # let mut collection = UnorderedCollectionPage::new();
/// #
/// use activitystreams::prelude::*;
///
@ -653,8 +690,8 @@ pub trait CollectionPageExt<Kind>: AsCollectionPage<Kind> {
///
/// ```rust
/// # fn main() -> Result<(), anyhow::Error> {
/// # use activitystreams::{context, collection::UnorderedCollectionPage};
/// # let mut collection = UnorderedCollectionPage::new(vec![context().into()]);
/// # use activitystreams::{collection::UnorderedCollectionPage};
/// # let mut collection = UnorderedCollectionPage::new();
/// #
/// use activitystreams::{prelude::*, uri};
///
@ -673,8 +710,8 @@ pub trait CollectionPageExt<Kind>: AsCollectionPage<Kind> {
/// Take the prev field from the current object, leaving nothing
///
/// ```rust
/// # use activitystreams::{context, collection::UnorderedCollectionPage};
/// # let mut collection = UnorderedCollectionPage::new(vec![context().into()]);
/// # use activitystreams::{collection::UnorderedCollectionPage};
/// # let mut collection = UnorderedCollectionPage::new();
/// #
/// use activitystreams::prelude::*;
///
@ -690,7 +727,7 @@ pub trait CollectionPageExt<Kind>: AsCollectionPage<Kind> {
///
/// ```rust
/// # use activitystreams::{context, collection::UnorderedCollectionPage};
/// # let mut collection = UnorderedCollectionPage::new(vec![context().into()]);
/// # let mut collection = UnorderedCollectionPage::new();
/// # collection.set_prev(context());
/// #
/// use activitystreams::prelude::*;
@ -709,8 +746,8 @@ pub trait OrderedCollectionPageExt: AsOrderedCollectionPage {
/// Fetch the start_index of the current object
///
/// ```rust
/// # use activitystreams::{context, collection::OrderedCollectionPage};
/// # let mut collection = OrderedCollectionPage::new(vec![context().into()]);
/// # use activitystreams::{collection::OrderedCollectionPage};
/// # let mut collection = OrderedCollectionPage::new();
/// use activitystreams::prelude::*;
///
/// if let Some(start_index) = collection.start_index() {
@ -726,8 +763,8 @@ pub trait OrderedCollectionPageExt: AsOrderedCollectionPage {
/// This overwrites the contents of start_index
///
/// ```rust
/// # use activitystreams::{context, collection::OrderedCollectionPage};
/// # let mut collection = OrderedCollectionPage::new(vec![context().into()]);
/// # use activitystreams::{collection::OrderedCollectionPage};
/// # let mut collection = OrderedCollectionPage::new();
/// use activitystreams::prelude::*;
///
/// collection.set_start_index(5u64);
@ -743,8 +780,8 @@ pub trait OrderedCollectionPageExt: AsOrderedCollectionPage {
/// Take the start_index of the current object, leaving nothing
///
/// ```rust
/// # use activitystreams::{context, collection::OrderedCollectionPage};
/// # let mut collection = OrderedCollectionPage::new(vec![context().into()]);
/// # use activitystreams::{collection::OrderedCollectionPage};
/// # let mut collection = OrderedCollectionPage::new();
/// use activitystreams::prelude::*;
///
/// if let Some(start_index) = collection.start_index() {
@ -758,8 +795,8 @@ pub trait OrderedCollectionPageExt: AsOrderedCollectionPage {
/// Delete the start_index from the current object
///
/// ```rust
/// # use activitystreams::{context, collection::OrderedCollectionPage};
/// # let mut collection = OrderedCollectionPage::new(vec![context().into()]);
/// # use activitystreams::{collection::OrderedCollectionPage};
/// # let mut collection = OrderedCollectionPage::new();
/// # collection.set_start_index(5u64);
/// use activitystreams::prelude::*;
///
@ -806,7 +843,7 @@ pub struct Collection<Kind> {
///
/// - Range: Object | Link | Ordered List of [ Object | Link ]
/// - Functional: false
items: OneOrMany<AnyBase>,
items: Option<OneOrMany<AnyBase>>,
/// A non-negative integer specifying the total number of objects contained by the logical view
/// of the collection.
@ -903,15 +940,14 @@ impl<Kind> Collection<Kind> {
/// ```rust
/// use activitystreams::collection::Collection;
///
/// let collection = Collection::<String>::new(vec![]);
/// let collection = Collection::<String>::new();
/// ```
pub fn new<T>(items: T) -> Self
pub fn new() -> Self
where
T: Into<OneOrMany<AnyBase>>,
Kind: Default,
{
Collection {
items: items.into(),
items: None,
total_items: None,
current: None,
first: None,
@ -964,18 +1000,17 @@ impl<Kind> CollectionPage<Kind> {
/// ```rust
/// use activitystreams::collection::CollectionPage;
///
/// let collection = CollectionPage::<String>::new(vec![]);
/// let collection = CollectionPage::<String>::new();
/// ```
pub fn new<T>(items: T) -> Self
pub fn new() -> Self
where
T: Into<OneOrMany<AnyBase>>,
Kind: Default,
{
CollectionPage {
part_of: None,
next: None,
prev: None,
inner: Collection::new(items),
inner: Collection::new(),
}
}
@ -1017,15 +1052,12 @@ impl OrderedCollectionPage {
/// ```rust
/// use activitystreams::collection::OrderedCollectionPage;
///
/// let collection = OrderedCollectionPage::new(vec![]);
/// let collection = OrderedCollectionPage::new();
/// ```
pub fn new<T>(items: T) -> Self
where
T: Into<OneOrMany<AnyBase>>,
{
pub fn new() -> Self {
OrderedCollectionPage {
start_index: None,
inner: CollectionPage::new(items),
inner: CollectionPage::new(),
}
}

2
src/lib.rs
View file

@ -293,7 +293,7 @@
//!
//! You should have received a copy of the GNU General Public License along with ActivityStreams. If not, see [http://www.gnu.org/licenses/](http://www.gnu.org/licenses/).
#![doc(html_root_url = "https://docs.rs/activitystreams/0.7.0-alpha.0/activitystreams")]
#![doc(html_root_url = "https://docs.rs/activitystreams/0.7.0-alpha.1/activitystreams")]
pub mod activity;
pub mod actor;