Database updates (#144)

* start moving some database stuff around

* continue moving db stuff around

* more fiddling

* more updates

* and some more

* and yet more

* i broke SOMETHING but what, it's a mystery

* tidy up

* vendor ttlcache

* use ttlcache

* fix up some tests

* rename some stuff

* little reminder

* some more updates

1 files changed, 75 insertions, 0 deletions

diff --git a/internal/db/status.go b/internal/db/status.go
new file mode 100644
index 000000000..9d206c198
--- /dev/null
+++ b/internal/db/status.go
@@ -0,0 +1,75 @@
+/*
+   GoToSocial
+   Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Affero General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Affero General Public License for more details.
+
+   You should have received a copy of the GNU Affero General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package db
+
+import "github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+
+// Status contains functions for getting statuses, creating statuses, and checking various other fields on statuses.
+type Status interface {
+	// GetStatusByID returns one status from the database, with all rel fields populated (if possible).
+	GetStatusByID(id string) (*gtsmodel.Status, Error)
+
+	// GetStatusByURI returns one status from the database, with all rel fields populated (if possible).
+	GetStatusByURI(uri string) (*gtsmodel.Status, Error)
+
+	// GetStatusByURL returns one status from the database, with all rel fields populated (if possible).
+	GetStatusByURL(uri string) (*gtsmodel.Status, Error)
+
+	// PutStatus stores one status in the database.
+	PutStatus(status *gtsmodel.Status) Error
+
+	// CountStatusReplies returns the amount of replies recorded for a status, or an error if something goes wrong
+	CountStatusReplies(status *gtsmodel.Status) (int, Error)
+
+	// CountStatusReblogs returns the amount of reblogs/boosts recorded for a status, or an error if something goes wrong
+	CountStatusReblogs(status *gtsmodel.Status) (int, Error)
+
+	// CountStatusFaves returns the amount of faves/likes recorded for a status, or an error if something goes wrong
+	CountStatusFaves(status *gtsmodel.Status) (int, Error)
+
+	// GetStatusParents gets the parent statuses of a given status.
+	//
+	// If onlyDirect is true, only the immediate parent will be returned.
+	GetStatusParents(status *gtsmodel.Status, onlyDirect bool) ([]*gtsmodel.Status, Error)
+
+	// GetStatusChildren gets the child statuses of a given status.
+	//
+	// If onlyDirect is true, only the immediate children will be returned.
+	GetStatusChildren(status *gtsmodel.Status, onlyDirect bool, minID string) ([]*gtsmodel.Status, Error)
+
+	// IsStatusFavedBy checks if a given status has been faved by a given account ID
+	IsStatusFavedBy(status *gtsmodel.Status, accountID string) (bool, Error)
+
+	// IsStatusRebloggedBy checks if a given status has been reblogged/boosted by a given account ID
+	IsStatusRebloggedBy(status *gtsmodel.Status, accountID string) (bool, Error)
+
+	// IsStatusMutedBy checks if a given status has been muted by a given account ID
+	IsStatusMutedBy(status *gtsmodel.Status, accountID string) (bool, Error)
+
+	// IsStatusBookmarkedBy checks if a given status has been bookmarked by a given account ID
+	IsStatusBookmarkedBy(status *gtsmodel.Status, accountID string) (bool, Error)
+
+	// GetStatusFaves returns a slice of faves/likes of the given status.
+	// This slice will be unfiltered, not taking account of blocks and whatnot, so filter it before serving it back to a user.
+	GetStatusFaves(status *gtsmodel.Status) ([]*gtsmodel.StatusFave, Error)
+
+	// GetStatusReblogs returns a slice of statuses that are a boost/reblog of the given status.
+	// This slice will be unfiltered, not taking account of blocks and whatnot, so filter it before serving it back to a user.
+	GetStatusReblogs(status *gtsmodel.Status) ([]*gtsmodel.Status, Error)
+}