209 lines
8.2 KiB
Go
209 lines
8.2 KiB
Go
// GoToSocial
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// Copyright (C) GoToSocial Authors admin@gotosocial.org
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// SPDX-License-Identifier: AGPL-3.0-or-later
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//
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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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//
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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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//
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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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package status
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import (
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"context"
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"errors"
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"fmt"
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"github.com/superseriousbusiness/gotosocial/internal/ap"
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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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"github.com/superseriousbusiness/gotosocial/internal/id"
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"github.com/superseriousbusiness/gotosocial/internal/messages"
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"github.com/superseriousbusiness/gotosocial/internal/uris"
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)
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// FaveCreate processes the faving of a given status, returning the updated status if the fave goes through.
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func (p *Processor) FaveCreate(ctx context.Context, requestingAccount *gtsmodel.Account, targetStatusID string) (*apimodel.Status, gtserror.WithCode) {
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targetStatus, err := p.state.DB.GetStatusByID(ctx, targetStatusID)
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if err != nil {
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return nil, gtserror.NewErrorNotFound(fmt.Errorf("error fetching status %s: %s", targetStatusID, err))
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}
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if targetStatus.Account == nil {
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return nil, gtserror.NewErrorNotFound(fmt.Errorf("no status owner for status %s", targetStatusID))
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}
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visible, err := p.filter.StatusVisible(ctx, targetStatus, requestingAccount)
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if err != nil {
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return nil, gtserror.NewErrorNotFound(fmt.Errorf("error seeing if status %s is visible: %s", targetStatus.ID, err))
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}
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if !visible {
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return nil, gtserror.NewErrorNotFound(errors.New("status is not visible"))
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}
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if !*targetStatus.Likeable {
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return nil, gtserror.NewErrorForbidden(errors.New("status is not faveable"))
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}
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// first check if the status is already faved, if so we don't need to do anything
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newFave := true
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gtsFave := >smodel.StatusFave{}
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if err := p.state.DB.GetWhere(ctx, []db.Where{{Key: "status_id", Value: targetStatus.ID}, {Key: "account_id", Value: requestingAccount.ID}}, gtsFave); err == nil {
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// we already have a fave for this status
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newFave = false
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}
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if newFave {
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thisFaveID := id.NewULID()
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// we need to create a new fave in the database
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gtsFave := >smodel.StatusFave{
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ID: thisFaveID,
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AccountID: requestingAccount.ID,
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Account: requestingAccount,
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TargetAccountID: targetStatus.AccountID,
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TargetAccount: targetStatus.Account,
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StatusID: targetStatus.ID,
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Status: targetStatus,
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URI: uris.GenerateURIForLike(requestingAccount.Username, thisFaveID),
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}
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if err := p.state.DB.Put(ctx, gtsFave); err != nil {
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return nil, gtserror.NewErrorInternalError(fmt.Errorf("error putting fave in database: %s", err))
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}
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// send it back to the processor for async processing
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p.state.Workers.EnqueueClientAPI(ctx, messages.FromClientAPI{
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APObjectType: ap.ActivityLike,
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APActivityType: ap.ActivityCreate,
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GTSModel: gtsFave,
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OriginAccount: requestingAccount,
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TargetAccount: targetStatus.Account,
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})
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}
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// return the apidon representation of the target status
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apiStatus, err := p.tc.StatusToAPIStatus(ctx, targetStatus, requestingAccount)
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if err != nil {
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return nil, gtserror.NewErrorInternalError(fmt.Errorf("error converting status %s to frontend representation: %s", targetStatus.ID, err))
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}
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return apiStatus, nil
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}
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// FaveRemove processes the unfaving of a given status, returning the updated status if the fave goes through.
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func (p *Processor) FaveRemove(ctx context.Context, requestingAccount *gtsmodel.Account, targetStatusID string) (*apimodel.Status, gtserror.WithCode) {
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targetStatus, err := p.state.DB.GetStatusByID(ctx, targetStatusID)
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if err != nil {
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return nil, gtserror.NewErrorNotFound(fmt.Errorf("error fetching status %s: %s", targetStatusID, err))
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}
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if targetStatus.Account == nil {
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return nil, gtserror.NewErrorNotFound(fmt.Errorf("no status owner for status %s", targetStatusID))
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}
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visible, err := p.filter.StatusVisible(ctx, targetStatus, requestingAccount)
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if err != nil {
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return nil, gtserror.NewErrorNotFound(fmt.Errorf("error seeing if status %s is visible: %s", targetStatus.ID, err))
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}
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if !visible {
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return nil, gtserror.NewErrorNotFound(errors.New("status is not visible"))
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}
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// check if we actually have a fave for this status
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var toUnfave bool
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gtsFave := >smodel.StatusFave{}
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err = p.state.DB.GetWhere(ctx, []db.Where{{Key: "status_id", Value: targetStatus.ID}, {Key: "account_id", Value: requestingAccount.ID}}, gtsFave)
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if err == nil {
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// we have a fave
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toUnfave = true
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}
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if err != nil {
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// something went wrong in the db finding the fave
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if err != db.ErrNoEntries {
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return nil, gtserror.NewErrorInternalError(fmt.Errorf("error fetching existing fave from database: %s", err))
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}
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// we just don't have a fave
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toUnfave = false
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}
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if toUnfave {
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// we had a fave, so take some action to get rid of it
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if err := p.state.DB.DeleteWhere(ctx, []db.Where{{Key: "status_id", Value: targetStatus.ID}, {Key: "account_id", Value: requestingAccount.ID}}, gtsFave); err != nil {
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return nil, gtserror.NewErrorInternalError(fmt.Errorf("error unfaveing status: %s", err))
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}
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// send it back to the processor for async processing
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p.state.Workers.EnqueueClientAPI(ctx, messages.FromClientAPI{
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APObjectType: ap.ActivityLike,
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APActivityType: ap.ActivityUndo,
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GTSModel: gtsFave,
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OriginAccount: requestingAccount,
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TargetAccount: targetStatus.Account,
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})
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}
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apiStatus, err := p.tc.StatusToAPIStatus(ctx, targetStatus, requestingAccount)
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if err != nil {
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return nil, gtserror.NewErrorInternalError(fmt.Errorf("error converting status %s to frontend representation: %s", targetStatus.ID, err))
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}
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return apiStatus, nil
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}
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// FavedBy returns a slice of accounts that have liked the given status, filtered according to privacy settings.
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func (p *Processor) FavedBy(ctx context.Context, requestingAccount *gtsmodel.Account, targetStatusID string) ([]*apimodel.Account, gtserror.WithCode) {
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targetStatus, err := p.state.DB.GetStatusByID(ctx, targetStatusID)
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if err != nil {
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return nil, gtserror.NewErrorNotFound(fmt.Errorf("error fetching status %s: %s", targetStatusID, err))
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}
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if targetStatus.Account == nil {
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return nil, gtserror.NewErrorNotFound(fmt.Errorf("no status owner for status %s", targetStatusID))
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}
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visible, err := p.filter.StatusVisible(ctx, targetStatus, requestingAccount)
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if err != nil {
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return nil, gtserror.NewErrorNotFound(fmt.Errorf("error seeing if status %s is visible: %s", targetStatus.ID, err))
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}
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if !visible {
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return nil, gtserror.NewErrorNotFound(errors.New("status is not visible"))
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}
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statusFaves, err := p.state.DB.GetStatusFaves(ctx, targetStatus)
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if err != nil {
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return nil, gtserror.NewErrorNotFound(fmt.Errorf("error seeing who faved status: %s", err))
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}
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// filter the list so the user doesn't see accounts they blocked or which blocked them
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filteredAccounts := []*gtsmodel.Account{}
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for _, fave := range statusFaves {
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blocked, err := p.state.DB.IsBlocked(ctx, requestingAccount.ID, fave.AccountID, true)
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if err != nil {
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return nil, gtserror.NewErrorInternalError(fmt.Errorf("error checking blocks: %s", err))
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}
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if !blocked {
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filteredAccounts = append(filteredAccounts, fave.Account)
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}
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}
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// now we can return the api representation of those accounts
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apiAccounts := []*apimodel.Account{}
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for _, acc := range filteredAccounts {
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apiAccount, err := p.tc.AccountToAPIAccountPublic(ctx, acc)
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if err != nil {
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return nil, gtserror.NewErrorInternalError(fmt.Errorf("error converting status %s to frontend representation: %s", targetStatus.ID, err))
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}
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apiAccounts = append(apiAccounts, apiAccount)
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}
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return apiAccounts, nil
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}
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