forked from mirrors/gotosocial
128 lines
3.8 KiB
Go
128 lines
3.8 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 search
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import (
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"context"
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"errors"
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"strings"
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"codeberg.org/gruf/go-kv"
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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/log"
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)
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// Accounts does a partial search for accounts that
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// match the given query. It expects input that looks
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// like a namestring, and will normalize plaintext to look
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// more like a namestring. For queries that include domain,
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// it will only return one match at most. For namestrings
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// that exclude domain, multiple matches may be returned.
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//
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// This behavior aligns more or less with Mastodon's API.
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// See https://docs.joinmastodon.org/methods/accounts/#search.
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func (p *Processor) Accounts(
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ctx context.Context,
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requestingAccount *gtsmodel.Account,
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query string,
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limit int,
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offset int,
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resolve bool,
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following bool,
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) ([]*apimodel.Account, gtserror.WithCode) {
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// Don't include instance accounts in this search.
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//
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// We don't want someone to start typing '@mastodon'
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// and then get a million instance service accounts
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// in their search results.
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const includeInstanceAccounts = false
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var (
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foundAccounts = make([]*gtsmodel.Account, 0, limit)
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appendAccount = func(foundAccount *gtsmodel.Account) { foundAccounts = append(foundAccounts, foundAccount) }
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)
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// Validate query.
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query = strings.TrimSpace(query)
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if query == "" {
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err := gtserror.New("search query was empty string after trimming space")
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return nil, gtserror.NewErrorBadRequest(err, err.Error())
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}
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// Be nice and normalize query by prepending '@'.
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// This will make it easier for accountsByNamestring
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// to pick this up as a valid namestring.
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if query[0] != '@' {
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query = "@" + query
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}
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log.
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WithContext(ctx).
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WithFields(kv.Fields{
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{"limit", limit},
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{"offset", offset},
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{"query", query},
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{"resolve", resolve},
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{"following", following},
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}...).
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Debugf("beginning search")
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// todo: Currently we don't support offset for paging;
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// if caller supplied an offset greater than 0, return
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// nothing as though there were no additional results.
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if offset > 0 {
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return p.packageAccounts(
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ctx,
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requestingAccount,
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foundAccounts,
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includeInstanceAccounts,
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)
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}
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// Return all accounts we can find that match the
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// provided query. If it's not a namestring, this
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// won't return an error, it'll just return 0 results.
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if _, err := p.accountsByNamestring(
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ctx,
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requestingAccount,
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id.Highest,
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id.Lowest,
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limit,
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offset,
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query,
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resolve,
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following,
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appendAccount,
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); err != nil && !errors.Is(err, db.ErrNoEntries) {
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err = gtserror.Newf("error searching by namestring: %w", err)
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return nil, gtserror.NewErrorInternalError(err)
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}
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// Return whatever we got (if anything).
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return p.packageAccounts(
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ctx,
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requestingAccount,
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foundAccounts,
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includeInstanceAccounts,
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)
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}
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