Timeline manager (#40)

* start messing about with timeline manager

* i have no idea what i'm doing

* i continue to not know what i'm doing

* it's coming along

* bit more progress

* update timeline with new posts as they come in

* lint and fmt

* Select accounts where empty string

* restructure a bunch, get unfaves working

* moving stuff around

* federate status deletes properly

* mention regex better but not 100% there

* fix regex

* some more hacking away at the timeline code phew

* fix up some little things

* i can't even

* more timeline stuff

* move to ulid

* fiddley

* some lil fixes for kibou compatibility

* timelines working pretty alright!

* tidy + lint

1 files changed, 52 insertions, 0 deletions

diff --git a/internal/processing/synchronous/status/status.go b/internal/processing/synchronous/status/status.go
new file mode 100644
index 000000000..5dd26a2f0
--- /dev/null
+++ b/internal/processing/synchronous/status/status.go
@@ -0,0 +1,52 @@
+package status
+
+import (
+	"github.com/sirupsen/logrus"
+	apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
+	"github.com/superseriousbusiness/gotosocial/internal/config"
+	"github.com/superseriousbusiness/gotosocial/internal/db"
+	"github.com/superseriousbusiness/gotosocial/internal/gtserror"
+	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+	"github.com/superseriousbusiness/gotosocial/internal/typeutils"
+)
+
+// Processor wraps a bunch of functions for processing statuses.
+type Processor interface {
+	// Create processes the given form to create a new status, returning the api model representation of that status if it's OK.
+	Create(account *gtsmodel.Account, application *gtsmodel.Application, form *apimodel.AdvancedStatusCreateForm) (*apimodel.Status, gtserror.WithCode)
+	// Delete processes the delete of a given status, returning the deleted status if the delete goes through.
+	Delete(account *gtsmodel.Account, targetStatusID string) (*apimodel.Status, gtserror.WithCode)
+	// Fave processes the faving of a given status, returning the updated status if the fave goes through.
+	Fave(account *gtsmodel.Account, targetStatusID string) (*apimodel.Status, gtserror.WithCode)
+	// Boost processes the boost/reblog of a given status, returning the newly-created boost if all is well.
+	Boost(account *gtsmodel.Account, application *gtsmodel.Application, targetStatusID string) (*apimodel.Status, gtserror.WithCode)
+	// BoostedBy returns a slice of accounts that have boosted the given status, filtered according to privacy settings.
+	BoostedBy(account *gtsmodel.Account, targetStatusID string) ([]*apimodel.Account, gtserror.WithCode)
+	// FavedBy returns a slice of accounts that have liked the given status, filtered according to privacy settings.
+	FavedBy(account *gtsmodel.Account, targetStatusID string) ([]*apimodel.Account, gtserror.WithCode)
+	// Get gets the given status, taking account of privacy settings and blocks etc.
+	Get(account *gtsmodel.Account, targetStatusID string) (*apimodel.Status, gtserror.WithCode)
+	// Unfave processes the unfaving of a given status, returning the updated status if the fave goes through.
+	Unfave(account *gtsmodel.Account, targetStatusID string) (*apimodel.Status, gtserror.WithCode)
+	// Context returns the context (previous and following posts) from the given status ID
+	Context(account *gtsmodel.Account, targetStatusID string) (*apimodel.Context, gtserror.WithCode)
+}
+
+type processor struct {
+	tc            typeutils.TypeConverter
+	config        *config.Config
+	db            db.DB
+	fromClientAPI chan gtsmodel.FromClientAPI
+	log           *logrus.Logger
+}
+
+// New returns a new status processor.
+func New(db db.DB, tc typeutils.TypeConverter, config *config.Config, fromClientAPI chan gtsmodel.FromClientAPI, log *logrus.Logger) Processor {
+	return &processor{
+		tc:            tc,
+		config:        config,
+		db:            db,
+		fromClientAPI: fromClientAPI,
+		log:           log,
+	}
+}