gtsocial-umbx

get.go (4886B)

---

 // 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 list
 
 import (
 	"context"
 	"errors"
 	"fmt"
 
 	apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
 	"github.com/superseriousbusiness/gotosocial/internal/db"
 	"github.com/superseriousbusiness/gotosocial/internal/gtscontext"
 	"github.com/superseriousbusiness/gotosocial/internal/gtserror"
 	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
 	"github.com/superseriousbusiness/gotosocial/internal/log"
 	"github.com/superseriousbusiness/gotosocial/internal/util"
 )
 
 // Get returns the api model of one list with the given ID.
 func (p *Processor) Get(ctx context.Context, account *gtsmodel.Account, id string) (*apimodel.List, gtserror.WithCode) {
 	list, errWithCode := p.getList(
 		// Use barebones ctx; no embedded
 		// structs necessary for this call.
 		gtscontext.SetBarebones(ctx),
 		account.ID,
 		id,
 	)
 	if errWithCode != nil {
 		return nil, errWithCode
 	}
 
 	return p.apiList(ctx, list)
 }
 
 // GetMultiple returns multiple lists created by the given account, sorted by list ID DESC (newest first).
 func (p *Processor) GetAll(ctx context.Context, account *gtsmodel.Account) ([]*apimodel.List, gtserror.WithCode) {
 	lists, err := p.state.DB.GetListsForAccountID(
 		// Use barebones ctx; no embedded
 		// structs necessary for simple GET.
 		gtscontext.SetBarebones(ctx),
 		account.ID,
 	)
 	if err != nil {
 		if errors.Is(err, db.ErrNoEntries) {
 			return nil, nil
 		}
 		return nil, gtserror.NewErrorInternalError(err)
 	}
 
 	apiLists := make([]*apimodel.List, 0, len(lists))
 	for _, list := range lists {
 		apiList, errWithCode := p.apiList(ctx, list)
 		if errWithCode != nil {
 			return nil, errWithCode
 		}
 
 		apiLists = append(apiLists, apiList)
 	}
 
 	return apiLists, nil
 }
 
 // GetListAccounts returns accounts that are in the given list, owned by the given account.
 // The additional parameters can be used for paging.
 func (p *Processor) GetListAccounts(
 	ctx context.Context,
 	account *gtsmodel.Account,
 	listID string,
 	maxID string,
 	sinceID string,
 	minID string,
 	limit int,
 ) (*apimodel.PageableResponse, gtserror.WithCode) {
 	// Ensure list exists + is owned by requesting account.
 	if _, errWithCode := p.getList(ctx, account.ID, listID); errWithCode != nil {
 		return nil, errWithCode
 	}
 
 	// To know which accounts are in the list,
 	// we need to first get requested list entries.
 	listEntries, err := p.state.DB.GetListEntries(ctx, listID, maxID, sinceID, minID, limit)
 	if err != nil && !errors.Is(err, db.ErrNoEntries) {
 		err = fmt.Errorf("GetListAccounts: error getting list entries: %w", err)
 		return nil, gtserror.NewErrorInternalError(err)
 	}
 
 	count := len(listEntries)
 	if count == 0 {
 		// No list entries means no accounts.
 		return util.EmptyPageableResponse(), nil
 	}
 
 	var (
 		items          = make([]interface{}, count)
 		nextMaxIDValue string
 		prevMinIDValue string
 	)
 
 	// For each list entry, we want the account it points to.
 	// To get this, we need to first get the follow that the
 	// list entry pertains to, then extract the target account
 	// from that follow.
 	//
 	// We do paging not by account ID, but by list entry ID.
 	for i, listEntry := range listEntries {
 		if i == count-1 {
 			nextMaxIDValue = listEntry.ID
 		}
 
 		if i == 0 {
 			prevMinIDValue = listEntry.ID
 		}
 
 		if err := p.state.DB.PopulateListEntry(ctx, listEntry); err != nil {
 			log.Debugf(ctx, "skipping list entry because of error populating it: %q", err)
 			continue
 		}
 
 		if err := p.state.DB.PopulateFollow(ctx, listEntry.Follow); err != nil {
 			log.Debugf(ctx, "skipping list entry because of error populating follow: %q", err)
 			continue
 		}
 
 		apiAccount, err := p.tc.AccountToAPIAccountPublic(ctx, listEntry.Follow.TargetAccount)
 		if err != nil {
 			log.Debugf(ctx, "skipping list entry because of error converting follow target account: %q", err)
 			continue
 		}
 
 		items[i] = apiAccount
 	}
 
 	return util.PackagePageableResponse(util.PageableResponseParams{
 		Items:          items,
 		Path:           "api/v1/lists/" + listID + "/accounts",
 		NextMaxIDValue: nextMaxIDValue,
 		PrevMinIDValue: prevMinIDValue,
 		Limit:          limit,
 	})
 }