[feature] Store admin actions in the db, prevent conflicting actions (#2167)

3 files changed, 217 insertions, 0 deletions

diff --git a/internal/db/admin.go b/internal/db/admin.go
index 717ac4b94..fcae928f6 100644
--- a/internal/db/admin.go
+++ b/internal/db/admin.go
@@ -49,4 +49,23 @@ type Admin interface {
 	// Ie., if the instance is hosted at 'example.org' the instance will have a domain of 'example.org'.
 	// This is needed for things like serving instance information through /api/v1/instance
 	CreateInstanceInstance(ctx context.Context) error
+
+	/*
+		ACTION FUNCS
+	*/
+
+	// GetAdminAction returns the admin action with the given ID.
+	GetAdminAction(ctx context.Context, id string) (*gtsmodel.AdminAction, error)
+
+	// GetAdminActions gets all admin actions from the database.
+	GetAdminActions(ctx context.Context) ([]*gtsmodel.AdminAction, error)
+
+	// PutAdminAction puts one admin action in the database.
+	PutAdminAction(ctx context.Context, action *gtsmodel.AdminAction) error
+
+	// UpdateAdminAction updates one admin action by its ID.
+	UpdateAdminAction(ctx context.Context, action *gtsmodel.AdminAction, columns ...string) error
+
+	// DeleteAdminAction deletes admin action with the given ID.
+	DeleteAdminAction(ctx context.Context, id string) error
 }
diff --git a/internal/db/bundb/admin.go b/internal/db/bundb/admin.go
index 8af08973c..e189c508e 100644
--- a/internal/db/bundb/admin.go
+++ b/internal/db/bundb/admin.go
@@ -320,3 +320,69 @@ func (a *adminDB) CreateInstanceInstance(ctx context.Context) error {
 	log.Infof(ctx, "created instance instance %s with id %s", host, i.ID)
 	return nil
 }
+
+/*
+	ACTION FUNCS
+*/
+
+func (a *adminDB) GetAdminAction(ctx context.Context, id string) (*gtsmodel.AdminAction, error) {
+	action := new(gtsmodel.AdminAction)
+
+	if err := a.db.
+		NewSelect().
+		Model(action).
+		Scan(ctx); err != nil {
+		return nil, err
+	}
+
+	return action, nil
+}
+
+func (a *adminDB) GetAdminActions(ctx context.Context) ([]*gtsmodel.AdminAction, error) {
+	actions := make([]*gtsmodel.AdminAction, 0)
+
+	if err := a.db.
+		NewSelect().
+		Model(&actions).
+		Scan(ctx); err != nil {
+		return nil, err
+	}
+
+	return actions, nil
+}
+
+func (a *adminDB) PutAdminAction(ctx context.Context, action *gtsmodel.AdminAction) error {
+	_, err := a.db.
+		NewInsert().
+		Model(action).
+		Exec(ctx)
+
+	return err
+}
+
+func (a *adminDB) UpdateAdminAction(ctx context.Context, action *gtsmodel.AdminAction, columns ...string) error {
+	// Update the action's last-updated
+	action.UpdatedAt = time.Now()
+	if len(columns) != 0 {
+		columns = append(columns, "updated_at")
+	}
+
+	_, err := a.db.
+		NewUpdate().
+		Model(action).
+		Where("? = ?", bun.Ident("admin_action.id"), action.ID).
+		Column(columns...).
+		Exec(ctx)
+
+	return err
+}
+
+func (a *adminDB) DeleteAdminAction(ctx context.Context, id string) error {
+	_, err := a.db.
+		NewDelete().
+		TableExpr("? AS ?", bun.Ident("admin_actions"), bun.Ident("admin_action")).
+		Where("? = ?", bun.Ident("admin_action"), id).
+		Exec(ctx)
+
+	return err
+}
diff --git a/internal/db/bundb/migrations/20230828101322_admin_action_locking.go b/internal/db/bundb/migrations/20230828101322_admin_action_locking.go
new file mode 100644
index 000000000..b72976cc9
--- /dev/null
+++ b/internal/db/bundb/migrations/20230828101322_admin_action_locking.go
@@ -0,0 +1,132 @@
+// 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 migrations
+
+import (
+	"context"
+
+	"github.com/uptrace/bun"
+
+	oldmodel "github.com/superseriousbusiness/gotosocial/internal/db/bundb/migrations/20220315160814_admin_account_actions"
+	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+	"github.com/superseriousbusiness/gotosocial/internal/util"
+)
+
+func init() {
+	up := func(ctx context.Context, db *bun.DB) error {
+		return db.RunInTx(ctx, nil, func(ctx context.Context, tx bun.Tx) error {
+			// Select all old actions.
+			var adminAccountActions []*oldmodel.AdminAccountAction
+			if err := tx.
+				NewSelect().
+				Model(&adminAccountActions).
+				Scan(ctx); err != nil {
+				return err
+			}
+
+			// Create the new table.
+			if _, err := tx.
+				NewCreateTable().
+				Model(&gtsmodel.AdminAction{}).
+				Exec(ctx); err != nil {
+				return err
+			}
+
+			// Index new table properly.
+			for index, columns := range map[string][]string{
+				"account_actions_id_idx": {"id"},
+				// Eg., select all actions of given category.
+				"account_actions_target_category_idx": {"target_category"},
+				// Eg., select all actions targeting given id.
+				"account_actions_target_id_idx": {"target_id"},
+				// Eg., select all actions of given type.
+				"account_actions_type_idx": {"type"},
+				// Eg., select all actions by given account id.
+				"account_actions_account_id_idx": {"account_id"},
+			} {
+				if _, err := tx.
+					NewCreateIndex().
+					Table("admin_actions").
+					Index(index).
+					Column(columns...).
+					Exec(ctx); err != nil {
+					return err
+				}
+			}
+
+			// Insert old format entries into new table.
+			for _, oldAction := range adminAccountActions {
+				newAction := &gtsmodel.AdminAction{
+					ID:             oldAction.ID,
+					CreatedAt:      oldAction.CreatedAt,
+					UpdatedAt:      oldAction.UpdatedAt,
+					TargetCategory: gtsmodel.AdminActionCategoryAccount,
+					TargetID:       oldAction.TargetAccountID,
+					Type:           gtsmodel.NewAdminActionType(string(oldAction.Type)),
+					AccountID:      oldAction.AccountID,
+					Text:           oldAction.Text,
+					SendEmail:      util.Ptr(oldAction.SendEmail),
+					ReportIDs:      []string{oldAction.ReportID},
+				}
+
+				if _, err := tx.
+					NewInsert().
+					Model(newAction).
+					Exec(ctx); err != nil {
+					return err
+				}
+			}
+
+			// Drop the old table.
+			if _, err := tx.
+				NewDropTable().
+				Table("admin_account_actions").
+				Exec(ctx); err != nil {
+				return err
+			}
+
+			// Drop any remaining old indexes.
+			for _, idxName := range []string{
+				"admin_account_actions_pkey",
+				"admin_account_actions_account_id_idx",
+				"admin_account_actions_target_account_id_idx",
+				"admin_account_actions_type_idx",
+			} {
+				if _, err := tx.
+					NewDropIndex().
+					Index(idxName).
+					IfExists().
+					Exec(ctx); err != nil {
+					return err
+				}
+			}
+
+			return nil
+		})
+	}
+
+	down := func(ctx context.Context, db *bun.DB) error {
+		return db.RunInTx(ctx, nil, func(ctx context.Context, tx bun.Tx) error {
+			return nil
+		})
+	}
+
+	if err := Migrations.Register(up, down); err != nil {
+		panic(err)
+	}
+}