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/*
GoToSocial
Copyright (C) 2021-2023 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 account
import (
"context"
"errors"
"fmt"
apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
)
// FollowersGet fetches a list of the target account's followers.
func (p *Processor) FollowersGet(ctx context.Context, requestingAccount *gtsmodel.Account, targetAccountID string) ([]apimodel.Account, gtserror.WithCode) {
if blocked, err := p.state.DB.IsBlocked(ctx, requestingAccount.ID, targetAccountID, true); err != nil {
return nil, gtserror.NewErrorInternalError(err)
} else if blocked {
return nil, gtserror.NewErrorNotFound(fmt.Errorf("block exists between accounts"))
}
accounts := []apimodel.Account{}
follows, err := p.state.DB.GetAccountFollowedBy(ctx, targetAccountID, false)
if err != nil {
if err == db.ErrNoEntries {
return accounts, nil
}
return nil, gtserror.NewErrorInternalError(err)
}
for _, f := range follows {
blocked, err := p.state.DB.IsBlocked(ctx, requestingAccount.ID, f.AccountID, true)
if err != nil {
return nil, gtserror.NewErrorInternalError(err)
}
if blocked {
continue
}
if f.Account == nil {
a, err := p.state.DB.GetAccountByID(ctx, f.AccountID)
if err != nil {
if err == db.ErrNoEntries {
continue
}
return nil, gtserror.NewErrorInternalError(err)
}
f.Account = a
}
account, err := p.tc.AccountToAPIAccountPublic(ctx, f.Account)
if err != nil {
return nil, gtserror.NewErrorInternalError(err)
}
accounts = append(accounts, *account)
}
return accounts, nil
}
// FollowingGet fetches a list of the accounts that target account is following.
func (p *Processor) FollowingGet(ctx context.Context, requestingAccount *gtsmodel.Account, targetAccountID string) ([]apimodel.Account, gtserror.WithCode) {
if blocked, err := p.state.DB.IsBlocked(ctx, requestingAccount.ID, targetAccountID, true); err != nil {
return nil, gtserror.NewErrorInternalError(err)
} else if blocked {
return nil, gtserror.NewErrorNotFound(fmt.Errorf("block exists between accounts"))
}
accounts := []apimodel.Account{}
follows, err := p.state.DB.GetAccountFollows(ctx, targetAccountID)
if err != nil {
if err == db.ErrNoEntries {
return accounts, nil
}
return nil, gtserror.NewErrorInternalError(err)
}
for _, f := range follows {
blocked, err := p.state.DB.IsBlocked(ctx, requestingAccount.ID, f.AccountID, true)
if err != nil {
return nil, gtserror.NewErrorInternalError(err)
}
if blocked {
continue
}
if f.TargetAccount == nil {
a, err := p.state.DB.GetAccountByID(ctx, f.TargetAccountID)
if err != nil {
if err == db.ErrNoEntries {
continue
}
return nil, gtserror.NewErrorInternalError(err)
}
f.TargetAccount = a
}
account, err := p.tc.AccountToAPIAccountPublic(ctx, f.TargetAccount)
if err != nil {
return nil, gtserror.NewErrorInternalError(err)
}
accounts = append(accounts, *account)
}
return accounts, nil
}
// RelationshipGet returns a relationship model describing the relationship of the targetAccount to the Authed account.
func (p *Processor) RelationshipGet(ctx context.Context, requestingAccount *gtsmodel.Account, targetAccountID string) (*apimodel.Relationship, gtserror.WithCode) {
if requestingAccount == nil {
return nil, gtserror.NewErrorForbidden(errors.New("not authed"))
}
gtsR, err := p.state.DB.GetRelationship(ctx, requestingAccount.ID, targetAccountID)
if err != nil {
return nil, gtserror.NewErrorInternalError(fmt.Errorf("error getting relationship: %s", err))
}
r, err := p.tc.RelationshipToAPIRelationship(ctx, gtsR)
if err != nil {
return nil, gtserror.NewErrorInternalError(fmt.Errorf("error converting relationship: %s", err))
}
return r, nil
}
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