[feature] Add List functionality (#1802)

* 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

1 files changed, 67 insertions, 0 deletions

diff --git a/internal/db/list.go b/internal/db/list.go
new file mode 100644
index 000000000..4472589dc
--- /dev/null
+++ b/internal/db/list.go
@@ -0,0 +1,67 @@
+// GoToSocial
+// Copyright (C) GoToSocial Authors admin@gotosocial.org
+// SPDX-License-Identifier: AGPL-3.0-or-later
+//
+// 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 (
+	"context"
+
+	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+)
+
+type List interface {
+	// GetListByID gets one list with the given id.
+	GetListByID(ctx context.Context, id string) (*gtsmodel.List, error)
+
+	// GetListsForAccountID gets all lists owned by the given accountID.
+	GetListsForAccountID(ctx context.Context, accountID string) ([]*gtsmodel.List, error)
+
+	// PopulateList ensures that the list's struct fields are populated.
+	PopulateList(ctx context.Context, list *gtsmodel.List) error
+
+	// PutList puts a new list in the database.
+	PutList(ctx context.Context, list *gtsmodel.List) error
+
+	// UpdateList updates the given list.
+	// Columns is optional, if not specified all will be updated.
+	UpdateList(ctx context.Context, list *gtsmodel.List, columns ...string) error
+
+	// DeleteListByID deletes one list with the given ID.
+	DeleteListByID(ctx context.Context, id string) error
+
+	// GetListEntryByID gets one list entry with the given ID.
+	GetListEntryByID(ctx context.Context, id string) (*gtsmodel.ListEntry, error)
+
+	// GetListEntries gets list entries from the given listID, using the given parameters.
+	GetListEntries(ctx context.Context, listID string, maxID string, sinceID string, minID string, limit int) ([]*gtsmodel.ListEntry, error)
+
+	// GetListEntriesForFollowID returns all listEntries that pertain to the given followID.
+	GetListEntriesForFollowID(ctx context.Context, followID string) ([]*gtsmodel.ListEntry, error)
+
+	// PopulateListEntry ensures that the listEntry's struct fields are populated.
+	PopulateListEntry(ctx context.Context, listEntry *gtsmodel.ListEntry) error
+
+	// PutListEntries inserts a slice of listEntries into the database.
+	// It uses a transaction to ensure no partial updates.
+	PutListEntries(ctx context.Context, listEntries []*gtsmodel.ListEntry) error
+
+	// DeleteListEntry deletes one list entry with the given id.
+	DeleteListEntry(ctx context.Context, id string) error
+
+	// DeleteListEntryForFollowID deletes all list entries with the given followID.
+	DeleteListEntriesForFollowID(ctx context.Context, followID string) error
+}