gotosocial/internal/processing/account/statuses.go
tobi 2b6b9cdf83
[bugfix] Fix paging for empty items (#2236)
* use minID properly for public timeline

* return paged response properly even when 0 items

* use gtserror

* page more consistently (for now)

* test

* aaa
2023-09-29 15:31:10 +02:00

190 lines
6.1 KiB
Go

// 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 account
import (
"context"
"errors"
"fmt"
apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/log"
"github.com/superseriousbusiness/gotosocial/internal/util"
)
// StatusesGet fetches a number of statuses (in time descending order) from the
// target account, filtered by visibility according to the requesting account.
func (p *Processor) StatusesGet(
ctx context.Context,
requestingAccount *gtsmodel.Account,
targetAccountID string,
limit int,
excludeReplies bool,
excludeReblogs bool,
maxID string,
minID string,
pinned bool,
mediaOnly bool,
publicOnly bool,
) (*apimodel.PageableResponse, gtserror.WithCode) {
if requestingAccount != nil {
blocked, err := p.state.DB.IsEitherBlocked(ctx, requestingAccount.ID, targetAccountID)
if err != nil {
return nil, gtserror.NewErrorInternalError(err)
}
if blocked {
err := errors.New("block exists between accounts")
return nil, gtserror.NewErrorNotFound(err)
}
}
var (
statuses []*gtsmodel.Status
err error
)
if pinned {
// Get *ONLY* pinned statuses.
statuses, err = p.state.DB.GetAccountPinnedStatuses(ctx, targetAccountID)
} else {
// Get account statuses which *may* include pinned ones.
statuses, err = p.state.DB.GetAccountStatuses(ctx, targetAccountID, limit, excludeReplies, excludeReblogs, maxID, minID, mediaOnly, publicOnly)
}
if err != nil && !errors.Is(err, db.ErrNoEntries) {
return nil, gtserror.NewErrorInternalError(err)
}
count := len(statuses)
if count == 0 {
return util.EmptyPageableResponse(), nil
}
var (
items = make([]interface{}, 0, count)
// Set next + prev values before filtering and API
// converting, so caller can still page properly.
nextMaxIDValue = statuses[count-1].ID
prevMinIDValue = statuses[0].ID
)
// Filtering + serialization process is the same for
// both pinned status queries and 'normal' ones.
filtered, err := p.filter.StatusesVisible(ctx, requestingAccount, statuses)
if err != nil {
return nil, gtserror.NewErrorInternalError(err)
}
for _, s := range filtered {
// Convert filtered statuses to API statuses.
item, err := p.converter.StatusToAPIStatus(ctx, s, requestingAccount)
if err != nil {
log.Errorf(ctx, "error convering to api status: %v", err)
continue
}
items = append(items, item)
}
if pinned {
// We don't page on pinned status responses,
// so we can save some work + just return items.
return &apimodel.PageableResponse{
Items: items,
}, nil
}
return util.PackagePageableResponse(util.PageableResponseParams{
Items: items,
Path: "/api/v1/accounts/" + targetAccountID + "/statuses",
NextMaxIDValue: nextMaxIDValue,
PrevMinIDValue: prevMinIDValue,
Limit: limit,
ExtraQueryParams: []string{
fmt.Sprintf("exclude_replies=%t", excludeReplies),
fmt.Sprintf("exclude_reblogs=%t", excludeReblogs),
fmt.Sprintf("pinned=%t", pinned),
fmt.Sprintf("only_media=%t", mediaOnly),
fmt.Sprintf("only_public=%t", publicOnly),
},
})
}
// WebStatusesGet fetches a number of statuses (in descending order)
// from the given account. It selects only statuses which are suitable
// for showing on the public web profile of an account.
func (p *Processor) WebStatusesGet(ctx context.Context, targetAccountID string, maxID string) (*apimodel.PageableResponse, gtserror.WithCode) {
account, err := p.state.DB.GetAccountByID(ctx, targetAccountID)
if err != nil {
if errors.Is(err, db.ErrNoEntries) {
err := fmt.Errorf("account %s not found in the db, not getting web statuses for it", targetAccountID)
return nil, gtserror.NewErrorNotFound(err)
}
return nil, gtserror.NewErrorInternalError(err)
}
if account.Domain != "" {
err := fmt.Errorf("account %s was not a local account, not getting web statuses for it", targetAccountID)
return nil, gtserror.NewErrorNotFound(err)
}
statuses, err := p.state.DB.GetAccountWebStatuses(ctx, targetAccountID, 10, maxID)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
return nil, gtserror.NewErrorInternalError(err)
}
count := len(statuses)
if count == 0 {
return util.EmptyPageableResponse(), nil
}
var (
items = make([]interface{}, 0, count)
// Set next value before API converting,
// so caller can still page properly.
nextMaxIDValue = statuses[count-1].ID
)
for _, s := range statuses {
// Convert fetched statuses to API statuses.
item, err := p.converter.StatusToAPIStatus(ctx, s, nil)
if err != nil {
log.Errorf(ctx, "error convering to api status: %v", err)
continue
}
items = append(items, item)
}
return util.PackagePageableResponse(util.PageableResponseParams{
Items: items,
Path: "/@" + account.Username,
NextMaxIDValue: nextMaxIDValue,
})
}
// PinnedStatusesGet is a shortcut for getting just an account's pinned statuses.
// Under the hood, it just calls StatusesGet using mostly default parameters.
func (p *Processor) PinnedStatusesGet(ctx context.Context, requestingAccount *gtsmodel.Account, targetAccountID string) (*apimodel.PageableResponse, gtserror.WithCode) {
return p.StatusesGet(ctx, requestingAccount, targetAccountID, 0, false, false, "", "", true, false, false)
}