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[feature] Add List functionality (#1802)

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* start working on lists

* further list work

* test list db functions nicely

* more work on lists

* peepoopeepoo

* poke

* start list timeline func

* we're getting there lads

* couldn't be me working on stuff... could it?

* hook up handlers

* fiddling

* weeee

* woah

* screaming, pissing

* fix streaming being a whiny baby

* lint, small test fix, swagger

* tidying up, testing

* fucked! by the linter

* move timelines to state like a boss

* add timeline start to tests using state

* invalidate lists
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tobi 2023-05-25 10:37:38 +02:00 • committed by GitHub
commit f5c004d67d
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123 changed files with 5654 additions and 970 deletions
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33
internal/timeline/timeline.go
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@ -28,24 +28,24 @@ import (
// It should be provided to NewTimeline when the caller is creating a timeline
// (of statuses, notifications, etc).
//
// timelineAccountID: the owner of the timeline
// maxID: the maximum item ID desired.
// sinceID: the minimum item ID desired.
// minID: see sinceID
// limit: the maximum amount of items to be returned
// - timelineID: ID of the timeline.
// - maxID: the maximum item ID desired.
// - sinceID: the minimum item ID desired.
// - minID: see sinceID
// - limit: the maximum amount of items to be returned
//
// If an error is returned, the timeline will stop processing whatever request called GrabFunction,
// and return the error. If no error is returned, but stop = true, this indicates to the caller of GrabFunction
// that there are no more items to return, and processing should continue with the items already grabbed.
type GrabFunction func(ctx context.Context, timelineAccountID string, maxID string, sinceID string, minID string, limit int) (items []Timelineable, stop bool, err error)
type GrabFunction func(ctx context.Context, timelineID string, maxID string, sinceID string, minID string, limit int) (items []Timelineable, stop bool, err error)
// FilterFunction is used by a Timeline to filter whether or not a grabbed item should be indexed.
type FilterFunction func(ctx context.Context, timelineAccountID string, item Timelineable) (shouldIndex bool, err error)
type FilterFunction func(ctx context.Context, timelineID string, item Timelineable) (shouldIndex bool, err error)
// PrepareFunction converts a Timelineable into a Preparable.
//
// For example, this might result in the converstion of a *gtsmodel.Status with the given itemID into a serializable *apimodel.Status.
type PrepareFunction func(ctx context.Context, timelineAccountID string, itemID string) (Preparable, error)
type PrepareFunction func(ctx context.Context, timelineID string, itemID string) (Preparable, error)
// SkipInsertFunction indicates whether a new item about to be inserted in the prepared list should be skipped,
// based on the item itself, the next item in the timeline, and the depth at which nextItem has been found in the list.
@ -88,8 +88,8 @@ type Timeline interface {
INFO FUNCTIONS
*/
// AccountID returns the id of the account this timeline belongs to.
AccountID() string
// TimelineID returns the id of this timeline.
TimelineID() string
// Len returns the length of the item index at this point in time.
Len() int
@ -130,19 +130,20 @@ type timeline struct {
grabFunction GrabFunction
filterFunction FilterFunction
prepareFunction PrepareFunction
accountID string
timelineID string
lastGot time.Time
sync.Mutex
}
func (t *timeline) AccountID() string {
return t.accountID
func (t *timeline) TimelineID() string {
return t.timelineID
}
// NewTimeline returns a new Timeline for the given account ID
// NewTimeline returns a new Timeline with
// the given ID, using the given functions.
func NewTimeline(
ctx context.Context,
timelineAccountID string,
timelineID string,
grabFunction GrabFunction,
filterFunction FilterFunction,
prepareFunction PrepareFunction,
@ -155,7 +156,7 @@ func NewTimeline(
grabFunction: grabFunction,
filterFunction: filterFunction,
prepareFunction: prepareFunction,
accountID: timelineAccountID,
timelineID: timelineID,
lastGot: time.Time{},
}
}