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util.go
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util.go
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// 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 search
import (
"context"
apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/log"
)
// return true if given queryType should include accounts.
func includeAccounts(queryType string) bool {
return queryType == queryTypeAny || queryType == queryTypeAccounts
}
// return true if given queryType should include statuses.
func includeStatuses(queryType string) bool {
return queryType == queryTypeAny || queryType == queryTypeStatuses
}
// return true if given queryType should include hashtags.
func includeHashtags(queryType string) bool {
return queryType == queryTypeAny || queryType == queryTypeHashtags
}
// packageAccounts is a util function that just
// converts the given accounts into an apimodel
// account slice, or errors appropriately.
func (p *Processor) packageAccounts(
ctx context.Context,
requestingAccount *gtsmodel.Account,
accounts []*gtsmodel.Account,
includeInstanceAccounts bool,
includeBlockedAccounts bool,
) ([]*apimodel.Account, gtserror.WithCode) {
apiAccounts := make([]*apimodel.Account, 0, len(accounts))
for _, account := range accounts {
if !includeInstanceAccounts && account.IsInstance() {
// No need to show instance accounts.
continue
}
// Check if block exists between searcher and searchee.
blocked, err := p.state.DB.IsEitherBlocked(ctx, requestingAccount.ID, account.ID)
if err != nil {
err = gtserror.Newf("error checking block between searching account %s and searched account %s: %w", requestingAccount.ID, account.ID, err)
return nil, gtserror.NewErrorInternalError(err)
}
if blocked && !includeBlockedAccounts {
// Don't include
// this result.
continue
}
var apiAccount *apimodel.Account
if blocked {
apiAccount, err = p.converter.AccountToAPIAccountBlocked(ctx, account)
} else {
apiAccount, err = p.converter.AccountToAPIAccountPublic(ctx, account)
}
if err != nil {
log.Debugf(ctx, "skipping account %s because it couldn't be converted to its api representation: %s", account.ID, err)
continue
}
apiAccounts = append(apiAccounts, apiAccount)
}
return apiAccounts, nil
}
// packageStatuses is a util function that just
// converts the given statuses into an apimodel
// status slice, or errors appropriately.
func (p *Processor) packageStatuses(
ctx context.Context,
requestingAccount *gtsmodel.Account,
statuses []*gtsmodel.Status,
) ([]*apimodel.Status, gtserror.WithCode) {
apiStatuses := make([]*apimodel.Status, 0, len(statuses))
for _, status := range statuses {
// Ensure requester can see result status.
visible, err := p.filter.StatusVisible(ctx, requestingAccount, status)
if err != nil {
err = gtserror.Newf("error checking visibility of status %s for account %s: %w", status.ID, requestingAccount.ID, err)
return nil, gtserror.NewErrorInternalError(err)
}
if !visible {
log.Debugf(ctx, "status %s is not visible to account %s, skipping this result", status.ID, requestingAccount.ID)
continue
}
apiStatus, err := p.converter.StatusToAPIStatus(ctx, status, requestingAccount)
if err != nil {
log.Debugf(ctx, "skipping status %s because it couldn't be converted to its api representation: %s", status.ID, err)
continue
}
apiStatuses = append(apiStatuses, apiStatus)
}
return apiStatuses, nil
}
// packageHashtags is a util function that just
// converts the given hashtags into an apimodel
// hashtag slice, or errors appropriately.
func (p *Processor) packageHashtags(
ctx context.Context,
requestingAccount *gtsmodel.Account,
tags []*gtsmodel.Tag,
v1 bool,
) ([]any, gtserror.WithCode) {
apiTags := make([]any, 0, len(tags))
var rangeF func(*gtsmodel.Tag)
if v1 {
// If API version 1, just provide slice of tag names.
rangeF = func(tag *gtsmodel.Tag) {
apiTags = append(apiTags, tag.Name)
}
} else {
// If API not version 1, provide slice of full tags.
rangeF = func(tag *gtsmodel.Tag) {
apiTag, err := p.converter.TagToAPITag(ctx, tag, true)
if err != nil {
log.Debugf(
ctx,
"skipping tag %s because it couldn't be converted to its api representation: %s",
tag.Name, err,
)
return
}
apiTags = append(apiTags, &apiTag)
}
}
for _, tag := range tags {
rangeF(tag)
}
return apiTags, nil
}
// packageSearchResult wraps up the given accounts
// and statuses into an apimodel SearchResult that
// can be serialized to an API caller as JSON.
//
// Set v1 to 'true' if the search is using v1 of the API.
func (p *Processor) packageSearchResult(
ctx context.Context,
requestingAccount *gtsmodel.Account,
accounts []*gtsmodel.Account,
statuses []*gtsmodel.Status,
tags []*gtsmodel.Tag,
v1 bool,
includeInstanceAccounts bool,
includeBlockedAccounts bool,
) (*apimodel.SearchResult, gtserror.WithCode) {
apiAccounts, errWithCode := p.packageAccounts(
ctx,
requestingAccount,
accounts,
includeInstanceAccounts,
includeBlockedAccounts,
)
if errWithCode != nil {
return nil, errWithCode
}
apiStatuses, errWithCode := p.packageStatuses(ctx, requestingAccount, statuses)
if errWithCode != nil {
return nil, errWithCode
}
apiTags, errWithCode := p.packageHashtags(ctx, requestingAccount, tags, v1)
if errWithCode != nil {
return nil, errWithCode
}
return &apimodel.SearchResult{
Accounts: apiAccounts,
Statuses: apiStatuses,
Hashtags: apiTags,
}, nil
}