gotosocial/internal/db/bundb/relationship.go

379 lines
12 KiB
Go

// 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 bundb
import (
"context"
"errors"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtscontext"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/paging"
"github.com/superseriousbusiness/gotosocial/internal/state"
"github.com/uptrace/bun"
)
type relationshipDB struct {
db *DB
state *state.State
}
func (r *relationshipDB) GetRelationship(ctx context.Context, requestingAccount string, targetAccount string) (*gtsmodel.Relationship, error) {
var rel gtsmodel.Relationship
rel.ID = targetAccount
// check if the requesting follows the target
follow, err := r.GetFollow(
gtscontext.SetBarebones(ctx),
requestingAccount,
targetAccount,
)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
return nil, gtserror.Newf("error fetching follow: %w", err)
}
if follow != nil {
// follow exists so we can fill these fields out...
rel.Following = true
rel.ShowingReblogs = *follow.ShowReblogs
rel.Notifying = *follow.Notify
}
// check if the target follows the requesting
rel.FollowedBy, err = r.IsFollowing(ctx,
targetAccount,
requestingAccount,
)
if err != nil {
return nil, gtserror.Newf("error checking followedBy: %w", err)
}
// check if requesting has follow requested target
rel.Requested, err = r.IsFollowRequested(ctx,
requestingAccount,
targetAccount,
)
if err != nil {
return nil, gtserror.Newf("error checking requested: %w", err)
}
// check if the requesting account is blocking the target account
rel.Blocking, err = r.IsBlocked(ctx, requestingAccount, targetAccount)
if err != nil {
return nil, gtserror.Newf("error checking blocking: %w", err)
}
// check if the requesting account is blocked by the target account
rel.BlockedBy, err = r.IsBlocked(ctx, targetAccount, requestingAccount)
if err != nil {
return nil, gtserror.Newf("error checking blockedBy: %w", err)
}
// retrieve a note by the requesting account on the target account, if there is one
note, err := r.GetNote(
gtscontext.SetBarebones(ctx),
requestingAccount,
targetAccount,
)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
return nil, gtserror.Newf("error fetching note: %w", err)
}
if note != nil {
rel.Note = note.Comment
}
return &rel, nil
}
func (r *relationshipDB) GetAccountFollows(ctx context.Context, accountID string) ([]*gtsmodel.Follow, error) {
followIDs, err := r.getAccountFollowIDs(ctx, accountID)
if err != nil {
return nil, err
}
return r.GetFollowsByIDs(ctx, followIDs)
}
func (r *relationshipDB) GetAccountLocalFollows(ctx context.Context, accountID string) ([]*gtsmodel.Follow, error) {
followIDs, err := r.getAccountLocalFollowIDs(ctx, accountID)
if err != nil {
return nil, err
}
return r.GetFollowsByIDs(ctx, followIDs)
}
func (r *relationshipDB) GetAccountFollowers(ctx context.Context, accountID string) ([]*gtsmodel.Follow, error) {
followerIDs, err := r.getAccountFollowerIDs(ctx, accountID)
if err != nil {
return nil, err
}
return r.GetFollowsByIDs(ctx, followerIDs)
}
func (r *relationshipDB) GetAccountLocalFollowers(ctx context.Context, accountID string) ([]*gtsmodel.Follow, error) {
followerIDs, err := r.getAccountLocalFollowerIDs(ctx, accountID)
if err != nil {
return nil, err
}
return r.GetFollowsByIDs(ctx, followerIDs)
}
func (r *relationshipDB) GetAccountFollowRequests(ctx context.Context, accountID string) ([]*gtsmodel.FollowRequest, error) {
followReqIDs, err := r.getAccountFollowRequestIDs(ctx, accountID)
if err != nil {
return nil, err
}
return r.GetFollowRequestsByIDs(ctx, followReqIDs)
}
func (r *relationshipDB) GetAccountFollowRequesting(ctx context.Context, accountID string) ([]*gtsmodel.FollowRequest, error) {
followReqIDs, err := r.getAccountFollowRequestingIDs(ctx, accountID)
if err != nil {
return nil, err
}
return r.GetFollowRequestsByIDs(ctx, followReqIDs)
}
func (r *relationshipDB) GetAccountBlocks(ctx context.Context, accountID string, page *paging.Page) ([]*gtsmodel.Block, error) {
// Load block IDs from cache with database loader callback.
blockIDs, err := r.state.Caches.GTS.BlockIDs().Load(accountID, func() ([]string, error) {
var blockIDs []string
// Block IDs not in cache, perform DB query!
q := newSelectBlocks(r.db, accountID)
if _, err := q.Exec(ctx, &blockIDs); err != nil {
return nil, err
}
return blockIDs, nil
})
if err != nil {
return nil, err
}
// Our cached / selected block IDs are
// ALWAYS stored in descending order.
// Depending on the paging requested
// this may be an unexpected order.
if !page.GetOrder().Ascending() {
blockIDs = paging.Reverse(blockIDs)
}
// Page the resulting block IDs.
blockIDs = page.Page(blockIDs)
// Convert these IDs to full block objects.
return r.GetBlocksByIDs(ctx, blockIDs)
}
func (r *relationshipDB) CountAccountFollows(ctx context.Context, accountID string) (int, error) {
followIDs, err := r.getAccountFollowIDs(ctx, accountID)
return len(followIDs), err
}
func (r *relationshipDB) CountAccountLocalFollows(ctx context.Context, accountID string) (int, error) {
followIDs, err := r.getAccountLocalFollowIDs(ctx, accountID)
return len(followIDs), err
}
func (r *relationshipDB) CountAccountFollowers(ctx context.Context, accountID string) (int, error) {
followerIDs, err := r.getAccountFollowerIDs(ctx, accountID)
return len(followerIDs), err
}
func (r *relationshipDB) CountAccountLocalFollowers(ctx context.Context, accountID string) (int, error) {
followerIDs, err := r.getAccountLocalFollowerIDs(ctx, accountID)
return len(followerIDs), err
}
func (r *relationshipDB) CountAccountFollowRequests(ctx context.Context, accountID string) (int, error) {
followReqIDs, err := r.getAccountFollowRequestIDs(ctx, accountID)
return len(followReqIDs), err
}
func (r *relationshipDB) CountAccountFollowRequesting(ctx context.Context, accountID string) (int, error) {
followReqIDs, err := r.getAccountFollowRequestingIDs(ctx, accountID)
return len(followReqIDs), err
}
func (r *relationshipDB) getAccountFollowIDs(ctx context.Context, accountID string) ([]string, error) {
return r.state.Caches.GTS.FollowIDs().Load(">"+accountID, func() ([]string, error) {
var followIDs []string
// Follow IDs not in cache, perform DB query!
q := newSelectFollows(r.db, accountID)
if _, err := q.Exec(ctx, &followIDs); err != nil {
return nil, err
}
return followIDs, nil
})
}
func (r *relationshipDB) getAccountLocalFollowIDs(ctx context.Context, accountID string) ([]string, error) {
return r.state.Caches.GTS.FollowIDs().Load("l>"+accountID, func() ([]string, error) {
var followIDs []string
// Follow IDs not in cache, perform DB query!
q := newSelectLocalFollows(r.db, accountID)
if _, err := q.Exec(ctx, &followIDs); err != nil {
return nil, err
}
return followIDs, nil
})
}
func (r *relationshipDB) getAccountFollowerIDs(ctx context.Context, accountID string) ([]string, error) {
return r.state.Caches.GTS.FollowIDs().Load("<"+accountID, func() ([]string, error) {
var followIDs []string
// Follow IDs not in cache, perform DB query!
q := newSelectFollowers(r.db, accountID)
if _, err := q.Exec(ctx, &followIDs); err != nil {
return nil, err
}
return followIDs, nil
})
}
func (r *relationshipDB) getAccountLocalFollowerIDs(ctx context.Context, accountID string) ([]string, error) {
return r.state.Caches.GTS.FollowIDs().Load("l<"+accountID, func() ([]string, error) {
var followIDs []string
// Follow IDs not in cache, perform DB query!
q := newSelectLocalFollowers(r.db, accountID)
if _, err := q.Exec(ctx, &followIDs); err != nil {
return nil, err
}
return followIDs, nil
})
}
func (r *relationshipDB) getAccountFollowRequestIDs(ctx context.Context, accountID string) ([]string, error) {
return r.state.Caches.GTS.FollowRequestIDs().Load(">"+accountID, func() ([]string, error) {
var followReqIDs []string
// Follow request IDs not in cache, perform DB query!
q := newSelectFollowRequests(r.db, accountID)
if _, err := q.Exec(ctx, &followReqIDs); err != nil {
return nil, err
}
return followReqIDs, nil
})
}
func (r *relationshipDB) getAccountFollowRequestingIDs(ctx context.Context, accountID string) ([]string, error) {
return r.state.Caches.GTS.FollowRequestIDs().Load("<"+accountID, func() ([]string, error) {
var followReqIDs []string
// Follow request IDs not in cache, perform DB query!
q := newSelectFollowRequesting(r.db, accountID)
if _, err := q.Exec(ctx, &followReqIDs); err != nil {
return nil, err
}
return followReqIDs, nil
})
}
// newSelectFollowRequests returns a new select query for all rows in the follow_requests table with target_account_id = accountID.
func newSelectFollowRequests(db *DB, accountID string) *bun.SelectQuery {
return db.NewSelect().
TableExpr("?", bun.Ident("follow_requests")).
ColumnExpr("?", bun.Ident("id")).
Where("? = ?", bun.Ident("target_account_id"), accountID).
OrderExpr("? DESC", bun.Ident("updated_at"))
}
// newSelectFollowRequesting returns a new select query for all rows in the follow_requests table with account_id = accountID.
func newSelectFollowRequesting(db *DB, accountID string) *bun.SelectQuery {
return db.NewSelect().
TableExpr("?", bun.Ident("follow_requests")).
ColumnExpr("?", bun.Ident("id")).
Where("? = ?", bun.Ident("target_account_id"), accountID).
OrderExpr("? DESC", bun.Ident("updated_at"))
}
// newSelectFollows returns a new select query for all rows in the follows table with account_id = accountID.
func newSelectFollows(db *DB, accountID string) *bun.SelectQuery {
return db.NewSelect().
Table("follows").
Column("id").
Where("? = ?", bun.Ident("account_id"), accountID).
OrderExpr("? DESC", bun.Ident("updated_at"))
}
// newSelectLocalFollows returns a new select query for all rows in the follows table with
// account_id = accountID where the corresponding account ID has a NULL domain (i.e. is local).
func newSelectLocalFollows(db *DB, accountID string) *bun.SelectQuery {
return db.NewSelect().
Table("follows").
Column("id").
Where("? = ? AND ? IN (?)",
bun.Ident("account_id"),
accountID,
bun.Ident("target_account_id"),
db.NewSelect().
Table("accounts").
Column("id").
Where("? IS NULL", bun.Ident("domain")),
).
OrderExpr("? DESC", bun.Ident("updated_at"))
}
// newSelectFollowers returns a new select query for all rows in the follows table with target_account_id = accountID.
func newSelectFollowers(db *DB, accountID string) *bun.SelectQuery {
return db.NewSelect().
Table("follows").
Column("id").
Where("? = ?", bun.Ident("target_account_id"), accountID).
OrderExpr("? DESC", bun.Ident("updated_at"))
}
// newSelectLocalFollowers returns a new select query for all rows in the follows table with
// target_account_id = accountID where the corresponding account ID has a NULL domain (i.e. is local).
func newSelectLocalFollowers(db *DB, accountID string) *bun.SelectQuery {
return db.NewSelect().
Table("follows").
Column("id").
Where("? = ? AND ? IN (?)",
bun.Ident("target_account_id"),
accountID,
bun.Ident("account_id"),
db.NewSelect().
Table("accounts").
Column("id").
Where("? IS NULL", bun.Ident("domain")),
).
OrderExpr("? DESC", bun.Ident("updated_at"))
}
// newSelectBlocks returns a new select query for all rows in the blocks table with account_id = accountID.
func newSelectBlocks(db *DB, accountID string) *bun.SelectQuery {
return db.NewSelect().
TableExpr("?", bun.Ident("blocks")).
ColumnExpr("?", bun.Ident("?")).
Where("? = ?", bun.Ident("account_id"), accountID).
OrderExpr("? DESC", bun.Ident("updated_at"))
}