111 lines
3.9 KiB
Go
111 lines
3.9 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package account
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import (
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"fmt"
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apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
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"github.com/superseriousbusiness/gotosocial/internal/db"
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"github.com/superseriousbusiness/gotosocial/internal/gtserror"
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"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
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)
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func (p *processor) FollowRemove(requestingAccount *gtsmodel.Account, targetAccountID string) (*apimodel.Relationship, gtserror.WithCode) {
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// if there's a block between the accounts we shouldn't do anything
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blocked, err := p.db.Blocked(requestingAccount.ID, targetAccountID)
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if err != nil {
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return nil, gtserror.NewErrorInternalError(err)
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}
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if blocked {
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return nil, gtserror.NewErrorNotFound(fmt.Errorf("AccountFollowRemove: block exists between accounts"))
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}
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// make sure the target account actually exists in our db
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targetAcct := >smodel.Account{}
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if err := p.db.GetByID(targetAccountID, targetAcct); err != nil {
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if _, ok := err.(db.ErrNoEntries); ok {
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return nil, gtserror.NewErrorNotFound(fmt.Errorf("AccountFollowRemove: account %s not found in the db: %s", targetAccountID, err))
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}
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}
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// check if a follow request exists, and remove it if it does (storing the URI for later)
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var frChanged bool
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var frURI string
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fr := >smodel.FollowRequest{}
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if err := p.db.GetWhere([]db.Where{
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{Key: "account_id", Value: requestingAccount.ID},
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{Key: "target_account_id", Value: targetAccountID},
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}, fr); err == nil {
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frURI = fr.URI
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if err := p.db.DeleteByID(fr.ID, fr); err != nil {
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return nil, gtserror.NewErrorInternalError(fmt.Errorf("AccountFollowRemove: error removing follow request from db: %s", err))
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}
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frChanged = true
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}
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// now do the same thing for any existing follow
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var fChanged bool
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var fURI string
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f := >smodel.Follow{}
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if err := p.db.GetWhere([]db.Where{
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{Key: "account_id", Value: requestingAccount.ID},
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{Key: "target_account_id", Value: targetAccountID},
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}, f); err == nil {
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fURI = f.URI
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if err := p.db.DeleteByID(f.ID, f); err != nil {
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return nil, gtserror.NewErrorInternalError(fmt.Errorf("AccountFollowRemove: error removing follow from db: %s", err))
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}
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fChanged = true
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}
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// follow request status changed so send the UNDO activity to the channel for async processing
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if frChanged {
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p.fromClientAPI <- gtsmodel.FromClientAPI{
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APObjectType: gtsmodel.ActivityStreamsFollow,
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APActivityType: gtsmodel.ActivityStreamsUndo,
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GTSModel: >smodel.Follow{
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AccountID: requestingAccount.ID,
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TargetAccountID: targetAccountID,
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URI: frURI,
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},
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OriginAccount: requestingAccount,
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TargetAccount: targetAcct,
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}
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}
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// follow status changed so send the UNDO activity to the channel for async processing
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if fChanged {
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p.fromClientAPI <- gtsmodel.FromClientAPI{
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APObjectType: gtsmodel.ActivityStreamsFollow,
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APActivityType: gtsmodel.ActivityStreamsUndo,
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GTSModel: >smodel.Follow{
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AccountID: requestingAccount.ID,
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TargetAccountID: targetAccountID,
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URI: fURI,
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},
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OriginAccount: requestingAccount,
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TargetAccount: targetAcct,
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}
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}
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// return whatever relationship results from all this
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return p.RelationshipGet(requestingAccount, targetAccountID)
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}
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