[feature] add paging to account follows, followers and follow requests endpoints (#2186)

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kim 2023-09-12 14:00:35 +01:00 committed by GitHub
commit 7293d6029b
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51 changed files with 2281 additions and 641 deletions

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@ -22,6 +22,7 @@ import (
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/media"
"github.com/superseriousbusiness/gotosocial/internal/oauth"
"github.com/superseriousbusiness/gotosocial/internal/processing/common"
"github.com/superseriousbusiness/gotosocial/internal/state"
"github.com/superseriousbusiness/gotosocial/internal/text"
"github.com/superseriousbusiness/gotosocial/internal/typeutils"
@ -32,6 +33,9 @@ import (
//
// It also contains logic for actions towards accounts such as following, blocking, seeing follows, etc.
type Processor struct {
// common processor logic
c *common.Processor
state *state.State
tc typeutils.TypeConverter
mediaManager *media.Manager
@ -44,6 +48,7 @@ type Processor struct {
// New returns a new account processor.
func New(
common *common.Processor,
state *state.State,
tc typeutils.TypeConverter,
mediaManager *media.Manager,
@ -53,6 +58,7 @@ func New(
parseMention gtsmodel.ParseMentionFunc,
) Processor {
return Processor{
c: common,
state: state,
tc: tc,
mediaManager: mediaManager,

View file

@ -30,6 +30,7 @@ import (
"github.com/superseriousbusiness/gotosocial/internal/oauth"
"github.com/superseriousbusiness/gotosocial/internal/processing"
"github.com/superseriousbusiness/gotosocial/internal/processing/account"
"github.com/superseriousbusiness/gotosocial/internal/processing/common"
"github.com/superseriousbusiness/gotosocial/internal/state"
"github.com/superseriousbusiness/gotosocial/internal/storage"
"github.com/superseriousbusiness/gotosocial/internal/transport"
@ -113,7 +114,8 @@ func (suite *AccountStandardTestSuite) SetupTest() {
suite.emailSender = testrig.NewEmailSender("../../../web/template/", suite.sentEmails)
filter := visibility.NewFilter(&suite.state)
suite.accountProcessor = account.New(&suite.state, suite.tc, suite.mediaManager, suite.oauthServer, suite.federator, filter, processing.GetParseMentionFunc(suite.db, suite.federator))
common := common.New(&suite.state, suite.tc, suite.federator, filter)
suite.accountProcessor = account.New(&common, &suite.state, suite.tc, suite.mediaManager, suite.oauthServer, suite.federator, filter, processing.GetParseMentionFunc(suite.db, suite.federator))
testrig.StandardDBSetup(suite.db, nil)
testrig.StandardStorageSetup(suite.storage, "../../../testrig/media")
}

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@ -28,8 +28,11 @@ import (
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/id"
"github.com/superseriousbusiness/gotosocial/internal/log"
"github.com/superseriousbusiness/gotosocial/internal/messages"
"github.com/superseriousbusiness/gotosocial/internal/paging"
"github.com/superseriousbusiness/gotosocial/internal/uris"
"github.com/superseriousbusiness/gotosocial/internal/util"
)
// BlockCreate handles the creation of a block from requestingAccount to targetAccountID, either remote or local.
@ -128,6 +131,53 @@ func (p *Processor) BlockRemove(ctx context.Context, requestingAccount *gtsmodel
return p.RelationshipGet(ctx, requestingAccount, targetAccountID)
}
// BlocksGet ...
func (p *Processor) BlocksGet(
ctx context.Context,
requestingAccount *gtsmodel.Account,
page *paging.Page,
) (*apimodel.PageableResponse, gtserror.WithCode) {
blocks, err := p.state.DB.GetAccountBlocks(ctx,
requestingAccount.ID,
page,
)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
return nil, gtserror.NewErrorInternalError(err)
}
// Check for empty response.
count := len(blocks)
if len(blocks) == 0 {
return util.EmptyPageableResponse(), nil
}
items := make([]interface{}, 0, count)
for _, block := range blocks {
// Convert target account to frontend API model. (target will never be nil)
account, err := p.tc.AccountToAPIAccountBlocked(ctx, block.TargetAccount)
if err != nil {
log.Errorf(ctx, "error converting account to public api account: %v", err)
continue
}
// Append target to return items.
items = append(items, account)
}
// Get the lowest and highest
// ID values, used for paging.
lo := blocks[count-1].ID
hi := blocks[0].ID
return paging.PackageResponse(paging.ResponseParams{
Items: items,
Path: "/api/v1/blocks",
Next: page.Next(lo, hi),
Prev: page.Prev(lo, hi),
}), nil
}
func (p *Processor) getBlockTarget(ctx context.Context, requestingAccount *gtsmodel.Account, targetAccountID string) (*gtsmodel.Account, *gtsmodel.Block, gtserror.WithCode) {
// Account should not block or unblock itself.
if requestingAccount.ID == targetAccountID {

View file

@ -160,7 +160,7 @@ func (p *Processor) deleteUserAndTokensForAccount(ctx context.Context, account *
// - Follow requests created by account.
func (p *Processor) deleteAccountFollows(ctx context.Context, account *gtsmodel.Account) error {
// Delete follows targeting this account.
followedBy, err := p.state.DB.GetAccountFollowers(ctx, account.ID)
followedBy, err := p.state.DB.GetAccountFollowers(ctx, account.ID, nil)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
return gtserror.Newf("db error getting follows targeting account %s: %w", account.ID, err)
}
@ -172,7 +172,7 @@ func (p *Processor) deleteAccountFollows(ctx context.Context, account *gtsmodel.
}
// Delete follow requests targeting this account.
followRequestedBy, err := p.state.DB.GetAccountFollowRequests(ctx, account.ID)
followRequestedBy, err := p.state.DB.GetAccountFollowRequests(ctx, account.ID, nil)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
return gtserror.Newf("db error getting follow requests targeting account %s: %w", account.ID, err)
}
@ -193,7 +193,7 @@ func (p *Processor) deleteAccountFollows(ctx context.Context, account *gtsmodel.
)
// Delete follows originating from this account.
following, err := p.state.DB.GetAccountFollows(ctx, account.ID)
following, err := p.state.DB.GetAccountFollows(ctx, account.ID, nil)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
return gtserror.Newf("db error getting follows owned by account %s: %w", account.ID, err)
}
@ -211,7 +211,7 @@ func (p *Processor) deleteAccountFollows(ctx context.Context, account *gtsmodel.
}
// Delete follow requests originating from this account.
followRequesting, err := p.state.DB.GetAccountFollowRequesting(ctx, account.ID)
followRequesting, err := p.state.DB.GetAccountFollowRequesting(ctx, account.ID, nil)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
return gtserror.Newf("db error getting follow requests owned by account %s: %w", account.ID, err)
}

View file

@ -20,7 +20,6 @@ package account
import (
"context"
"errors"
"fmt"
"github.com/superseriousbusiness/gotosocial/internal/ap"
apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
@ -35,7 +34,7 @@ import (
// FollowCreate handles a follow request to an account, either remote or local.
func (p *Processor) FollowCreate(ctx context.Context, requestingAccount *gtsmodel.Account, form *apimodel.AccountFollowRequest) (*apimodel.Relationship, gtserror.WithCode) {
targetAccount, errWithCode := p.getFollowTarget(ctx, requestingAccount.ID, form.ID)
targetAccount, errWithCode := p.getFollowTarget(ctx, requestingAccount, form.ID)
if errWithCode != nil {
return nil, errWithCode
}
@ -46,7 +45,7 @@ func (p *Processor) FollowCreate(ctx context.Context, requestingAccount *gtsmode
requestingAccount.ID,
targetAccount.ID,
); err != nil && !errors.Is(err, db.ErrNoEntries) {
err = fmt.Errorf("FollowCreate: db error checking existing follow: %w", err)
err = gtserror.Newf("db error checking existing follow: %w", err)
return nil, gtserror.NewErrorInternalError(err)
} else if follow != nil {
// Already follows, update if necessary + return relationship.
@ -66,7 +65,7 @@ func (p *Processor) FollowCreate(ctx context.Context, requestingAccount *gtsmode
requestingAccount.ID,
targetAccount.ID,
); err != nil && !errors.Is(err, db.ErrNoEntries) {
err = fmt.Errorf("FollowCreate: db error checking existing follow request: %w", err)
err = gtserror.Newf("db error checking existing follow request: %w", err)
return nil, gtserror.NewErrorInternalError(err)
} else if followRequest != nil {
// Already requested, update if necessary + return relationship.
@ -100,7 +99,7 @@ func (p *Processor) FollowCreate(ctx context.Context, requestingAccount *gtsmode
}
if err := p.state.DB.PutFollowRequest(ctx, fr); err != nil {
err = fmt.Errorf("FollowCreate: error creating follow request in db: %s", err)
err = gtserror.Newf("error creating follow request in db: %s", err)
return nil, gtserror.NewErrorInternalError(err)
}
@ -112,7 +111,7 @@ func (p *Processor) FollowCreate(ctx context.Context, requestingAccount *gtsmode
// Because we know the requestingAccount is also
// local, we don't need to federate the accept out.
if _, err := p.state.DB.AcceptFollowRequest(ctx, requestingAccount.ID, form.ID); err != nil {
err = fmt.Errorf("FollowCreate: error accepting follow request for local unlocked account: %w", err)
err = gtserror.Newf("error accepting follow request for local unlocked account: %w", err)
return nil, gtserror.NewErrorInternalError(err)
}
} else if targetAccount.IsRemote() {
@ -132,7 +131,7 @@ func (p *Processor) FollowCreate(ctx context.Context, requestingAccount *gtsmode
// FollowRemove handles the removal of a follow/follow request to an account, either remote or local.
func (p *Processor) FollowRemove(ctx context.Context, requestingAccount *gtsmodel.Account, targetAccountID string) (*apimodel.Relationship, gtserror.WithCode) {
targetAccount, errWithCode := p.getFollowTarget(ctx, requestingAccount.ID, targetAccountID)
targetAccount, errWithCode := p.getFollowTarget(ctx, requestingAccount, targetAccountID)
if errWithCode != nil {
return nil, errWithCode
}
@ -140,7 +139,7 @@ func (p *Processor) FollowRemove(ctx context.Context, requestingAccount *gtsmode
// Unfollow and deal with side effects.
msgs, err := p.unfollow(ctx, requestingAccount, targetAccount)
if err != nil {
return nil, gtserror.NewErrorNotFound(fmt.Errorf("FollowRemove: account %s not found in the db: %s", targetAccountID, err))
return nil, gtserror.NewErrorNotFound(gtserror.Newf("account %s not found in the db: %s", targetAccountID, err))
}
// Batch queue accreted client api messages.
@ -166,7 +165,6 @@ func (p *Processor) updateFollow(
currentNotify *bool,
update func(...string) error,
) (*apimodel.Relationship, gtserror.WithCode) {
if form.Reblogs == nil && form.Notify == nil {
// There's nothing to update.
return p.RelationshipGet(ctx, requestingAccount, form.ID)
@ -192,7 +190,7 @@ func (p *Processor) updateFollow(
}
if err := update(columns...); err != nil {
err = fmt.Errorf("updateFollow: error updating existing follow (request): %w", err)
err = gtserror.Newf("error updating existing follow (request): %w", err)
return nil, gtserror.NewErrorInternalError(err)
}
@ -201,38 +199,23 @@ func (p *Processor) updateFollow(
// getFollowTarget is a convenience function which:
// - Checks if account is trying to follow/unfollow itself.
// - Returns not found if there's a block in place between accounts.
// - Returns not found if target should not be visible to requester.
// - Returns target account according to its id.
func (p *Processor) getFollowTarget(ctx context.Context, requestingAccountID string, targetAccountID string) (*gtsmodel.Account, gtserror.WithCode) {
func (p *Processor) getFollowTarget(ctx context.Context, requester *gtsmodel.Account, targetID string) (*gtsmodel.Account, gtserror.WithCode) {
// Check for requester.
if requester == nil {
err := errors.New("no authorized user")
return nil, gtserror.NewErrorUnauthorized(err)
}
// Account can't follow or unfollow itself.
if requestingAccountID == targetAccountID {
if requester.ID == targetID {
err := errors.New("account can't follow or unfollow itself")
return nil, gtserror.NewErrorNotAcceptable(err)
}
// Do nothing if a block exists in either direction between accounts.
if blocked, err := p.state.DB.IsEitherBlocked(ctx, requestingAccountID, targetAccountID); err != nil {
err = fmt.Errorf("db error checking block between accounts: %w", err)
return nil, gtserror.NewErrorInternalError(err)
} else if blocked {
err = errors.New("block exists between accounts")
return nil, gtserror.NewErrorNotFound(err)
}
// Ensure target account retrievable.
targetAccount, err := p.state.DB.GetAccountByID(ctx, targetAccountID)
if err != nil {
if !errors.Is(err, db.ErrNoEntries) {
// Real db error.
err = fmt.Errorf("db error looking for target account %s: %w", targetAccountID, err)
return nil, gtserror.NewErrorInternalError(err)
}
// Account not found.
err = fmt.Errorf("target account %s not found in the db", targetAccountID)
return nil, gtserror.NewErrorNotFound(err, err.Error())
}
return targetAccount, nil
// Fetch the target account for requesting user account.
return p.c.GetVisibleTargetAccount(ctx, requester, targetID)
}
// unfollow is a convenience function for having requesting account
@ -248,7 +231,7 @@ func (p *Processor) unfollow(ctx context.Context, requestingAccount *gtsmodel.Ac
// Get follow from requesting account to target account.
follow, err := p.state.DB.GetFollow(ctx, requestingAccount.ID, targetAccount.ID)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
err = fmt.Errorf("unfollow: error getting follow from %s targeting %s: %w", requestingAccount.ID, targetAccount.ID, err)
err = gtserror.Newf("error getting follow from %s targeting %s: %w", requestingAccount.ID, targetAccount.ID, err)
return nil, err
}
@ -257,7 +240,7 @@ func (p *Processor) unfollow(ctx context.Context, requestingAccount *gtsmodel.Ac
err = p.state.DB.DeleteFollowByID(ctx, follow.ID)
if err != nil {
if !errors.Is(err, db.ErrNoEntries) {
err = fmt.Errorf("unfollow: error deleting request from %s targeting %s: %w", requestingAccount.ID, targetAccount.ID, err)
err = gtserror.Newf("error deleting request from %s targeting %s: %w", requestingAccount.ID, targetAccount.ID, err)
return nil, err
}
@ -284,7 +267,7 @@ func (p *Processor) unfollow(ctx context.Context, requestingAccount *gtsmodel.Ac
// Get follow request from requesting account to target account.
followReq, err := p.state.DB.GetFollowRequest(ctx, requestingAccount.ID, targetAccount.ID)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
err = fmt.Errorf("unfollow: error getting follow request from %s targeting %s: %w", requestingAccount.ID, targetAccount.ID, err)
err = gtserror.Newf("error getting follow request from %s targeting %s: %w", requestingAccount.ID, targetAccount.ID, err)
return nil, err
}
@ -293,7 +276,7 @@ func (p *Processor) unfollow(ctx context.Context, requestingAccount *gtsmodel.Ac
err = p.state.DB.DeleteFollowRequestByID(ctx, followReq.ID)
if err != nil {
if !errors.Is(err, db.ErrNoEntries) {
err = fmt.Errorf("unfollow: error deleting follow request from %s targeting %s: %w", requestingAccount.ID, targetAccount.ID, err)
err = gtserror.Newf("error deleting follow request from %s targeting %s: %w", requestingAccount.ID, targetAccount.ID, err)
return nil, err
}

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@ -0,0 +1,119 @@
// 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"
"github.com/superseriousbusiness/gotosocial/internal/ap"
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/messages"
"github.com/superseriousbusiness/gotosocial/internal/paging"
)
// FollowRequestAccept handles the accepting of a follow request from the sourceAccountID to the requestingAccount (the currently authorized account).
func (p *Processor) FollowRequestAccept(ctx context.Context, requestingAccount *gtsmodel.Account, sourceAccountID string) (*apimodel.Relationship, gtserror.WithCode) {
follow, err := p.state.DB.AcceptFollowRequest(ctx, sourceAccountID, requestingAccount.ID)
if err != nil {
return nil, gtserror.NewErrorNotFound(err)
}
if follow.Account != nil {
// Only enqueue work in the case we have a request creating account stored.
// NOTE: due to how AcceptFollowRequest works, the inverse shouldn't be possible.
p.state.Workers.EnqueueClientAPI(ctx, messages.FromClientAPI{
APObjectType: ap.ActivityFollow,
APActivityType: ap.ActivityAccept,
GTSModel: follow,
OriginAccount: follow.Account,
TargetAccount: follow.TargetAccount,
})
}
return p.RelationshipGet(ctx, requestingAccount, sourceAccountID)
}
// FollowRequestReject handles the rejection of a follow request from the sourceAccountID to the requestingAccount (the currently authorized account).
func (p *Processor) FollowRequestReject(ctx context.Context, requestingAccount *gtsmodel.Account, sourceAccountID string) (*apimodel.Relationship, gtserror.WithCode) {
followRequest, err := p.state.DB.GetFollowRequest(ctx, sourceAccountID, requestingAccount.ID)
if err != nil {
return nil, gtserror.NewErrorNotFound(err)
}
err = p.state.DB.RejectFollowRequest(ctx, sourceAccountID, requestingAccount.ID)
if err != nil {
return nil, gtserror.NewErrorNotFound(err)
}
if followRequest.Account != nil {
// Only enqueue work in the case we have a request creating account stored.
// NOTE: due to how GetFollowRequest works, the inverse shouldn't be possible.
p.state.Workers.EnqueueClientAPI(ctx, messages.FromClientAPI{
APObjectType: ap.ActivityFollow,
APActivityType: ap.ActivityReject,
GTSModel: followRequest,
OriginAccount: followRequest.Account,
TargetAccount: followRequest.TargetAccount,
})
}
return p.RelationshipGet(ctx, requestingAccount, sourceAccountID)
}
// FollowRequestsGet fetches a list of the accounts that are follow requesting the given requestingAccount (the currently authorized account).
func (p *Processor) FollowRequestsGet(ctx context.Context, requestingAccount *gtsmodel.Account, page *paging.Page) (*apimodel.PageableResponse, gtserror.WithCode) {
// Fetch follow requests targeting the given requesting account model.
followRequests, err := p.state.DB.GetAccountFollowRequests(ctx, requestingAccount.ID, page)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
return nil, gtserror.NewErrorInternalError(err)
}
// Check for empty response.
count := len(followRequests)
if count == 0 {
return paging.EmptyResponse(), nil
}
// Get the lowest and highest
// ID values, used for paging.
lo := followRequests[count-1].ID
hi := followRequests[0].ID
// Func to fetch follow source at index.
getIdx := func(i int) *gtsmodel.Account {
return followRequests[i].Account
}
// Get a filtered slice of public API account models.
items := p.c.GetVisibleAPIAccountsPaged(ctx,
requestingAccount,
getIdx,
count,
)
return paging.PackageResponse(paging.ResponseParams{
Items: items,
Path: "/api/v1/follow_requests",
Next: page.Next(lo, hi),
Prev: page.Prev(lo, hi),
}), nil
}

View file

@ -20,128 +20,120 @@ 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/paging"
)
// FollowersGet fetches a list of the target account's followers.
func (p *Processor) FollowersGet(ctx context.Context, requestingAccount *gtsmodel.Account, targetAccountID string) ([]apimodel.Account, gtserror.WithCode) {
if blocked, err := p.state.DB.IsEitherBlocked(ctx, requestingAccount.ID, targetAccountID); err != nil {
err = fmt.Errorf("FollowersGet: db error checking block: %w", err)
func (p *Processor) FollowersGet(ctx context.Context, requestingAccount *gtsmodel.Account, targetAccountID string, page *paging.Page) (*apimodel.PageableResponse, gtserror.WithCode) {
// Fetch target account to check it exists, and visibility of requester->target.
_, errWithCode := p.c.GetVisibleTargetAccount(ctx, requestingAccount, targetAccountID)
if errWithCode != nil {
return nil, errWithCode
}
follows, err := p.state.DB.GetAccountFollowers(ctx, targetAccountID, page)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
err = gtserror.Newf("db error getting followers: %w", err)
return nil, gtserror.NewErrorInternalError(err)
} else if blocked {
err = errors.New("FollowersGet: block exists between accounts")
return nil, gtserror.NewErrorNotFound(err)
}
follows, err := p.state.DB.GetAccountFollowers(ctx, targetAccountID)
if err != nil {
if !errors.Is(err, db.ErrNoEntries) {
err = fmt.Errorf("FollowersGet: db error getting followers: %w", err)
return nil, gtserror.NewErrorInternalError(err)
}
return []apimodel.Account{}, nil
// Check for empty response.
count := len(follows)
if count == 0 {
return paging.EmptyResponse(), nil
}
return p.accountsFromFollows(ctx, follows, requestingAccount.ID)
// Get the lowest and highest
// ID values, used for paging.
lo := follows[count-1].ID
hi := follows[0].ID
// Func to fetch follow source at index.
getIdx := func(i int) *gtsmodel.Account {
return follows[i].Account
}
// Get a filtered slice of public API account models.
items := p.c.GetVisibleAPIAccountsPaged(ctx,
requestingAccount,
getIdx,
len(follows),
)
return paging.PackageResponse(paging.ResponseParams{
Items: items,
Path: "/api/v1/accounts/" + targetAccountID + "/followers",
Next: page.Next(lo, hi),
Prev: page.Prev(lo, hi),
}), nil
}
// FollowingGet fetches a list of the accounts that target account is following.
func (p *Processor) FollowingGet(ctx context.Context, requestingAccount *gtsmodel.Account, targetAccountID string) ([]apimodel.Account, gtserror.WithCode) {
if blocked, err := p.state.DB.IsEitherBlocked(ctx, requestingAccount.ID, targetAccountID); err != nil {
err = fmt.Errorf("FollowingGet: db error checking block: %w", err)
func (p *Processor) FollowingGet(ctx context.Context, requestingAccount *gtsmodel.Account, targetAccountID string, page *paging.Page) (*apimodel.PageableResponse, gtserror.WithCode) {
// Fetch target account to check it exists, and visibility of requester->target.
_, errWithCode := p.c.GetVisibleTargetAccount(ctx, requestingAccount, targetAccountID)
if errWithCode != nil {
return nil, errWithCode
}
// Fetch known accounts that follow given target account ID.
follows, err := p.state.DB.GetAccountFollows(ctx, targetAccountID, page)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
err = gtserror.Newf("db error getting followers: %w", err)
return nil, gtserror.NewErrorInternalError(err)
} else if blocked {
err = errors.New("FollowingGet: block exists between accounts")
return nil, gtserror.NewErrorNotFound(err)
}
follows, err := p.state.DB.GetAccountFollows(ctx, targetAccountID)
if err != nil {
if !errors.Is(err, db.ErrNoEntries) {
err = fmt.Errorf("FollowingGet: db error getting followers: %w", err)
return nil, gtserror.NewErrorInternalError(err)
}
return []apimodel.Account{}, nil
// Check for empty response.
count := len(follows)
if count == 0 {
return paging.EmptyResponse(), nil
}
return p.targetAccountsFromFollows(ctx, follows, requestingAccount.ID)
// Get the lowest and highest
// ID values, used for paging.
lo := follows[count-1].ID
hi := follows[0].ID
// Func to fetch follow source at index.
getIdx := func(i int) *gtsmodel.Account {
return follows[i].TargetAccount
}
// Get a filtered slice of public API account models.
items := p.c.GetVisibleAPIAccountsPaged(ctx,
requestingAccount,
getIdx,
len(follows),
)
return paging.PackageResponse(paging.ResponseParams{
Items: items,
Path: "/api/v1/accounts/" + targetAccountID + "/following",
Next: page.Next(lo, hi),
Prev: page.Prev(lo, hi),
}), nil
}
// RelationshipGet returns a relationship model describing the relationship of the targetAccount to the Authed account.
func (p *Processor) RelationshipGet(ctx context.Context, requestingAccount *gtsmodel.Account, targetAccountID string) (*apimodel.Relationship, gtserror.WithCode) {
if requestingAccount == nil {
return nil, gtserror.NewErrorForbidden(errors.New("not authed"))
return nil, gtserror.NewErrorForbidden(gtserror.New("not authed"))
}
gtsR, err := p.state.DB.GetRelationship(ctx, requestingAccount.ID, targetAccountID)
if err != nil {
return nil, gtserror.NewErrorInternalError(fmt.Errorf("error getting relationship: %s", err))
return nil, gtserror.NewErrorInternalError(gtserror.Newf("error getting relationship: %s", err))
}
r, err := p.tc.RelationshipToAPIRelationship(ctx, gtsR)
if err != nil {
return nil, gtserror.NewErrorInternalError(fmt.Errorf("error converting relationship: %s", err))
return nil, gtserror.NewErrorInternalError(gtserror.Newf("error converting relationship: %s", err))
}
return r, nil
}
func (p *Processor) accountsFromFollows(ctx context.Context, follows []*gtsmodel.Follow, requestingAccountID string) ([]apimodel.Account, gtserror.WithCode) {
accounts := make([]apimodel.Account, 0, len(follows))
for _, follow := range follows {
if follow.Account == nil {
// No account set for some reason; just skip.
log.WithContext(ctx).WithField("follow", follow).Warn("follow had no associated account")
continue
}
if blocked, err := p.state.DB.IsEitherBlocked(ctx, requestingAccountID, follow.AccountID); err != nil {
err = fmt.Errorf("accountsFromFollows: db error checking block: %w", err)
return nil, gtserror.NewErrorInternalError(err)
} else if blocked {
continue
}
account, err := p.tc.AccountToAPIAccountPublic(ctx, follow.Account)
if err != nil {
err = fmt.Errorf("accountsFromFollows: error converting account to api account: %w", err)
return nil, gtserror.NewErrorInternalError(err)
}
accounts = append(accounts, *account)
}
return accounts, nil
}
func (p *Processor) targetAccountsFromFollows(ctx context.Context, follows []*gtsmodel.Follow, requestingAccountID string) ([]apimodel.Account, gtserror.WithCode) {
accounts := make([]apimodel.Account, 0, len(follows))
for _, follow := range follows {
if follow.TargetAccount == nil {
// No account set for some reason; just skip.
log.WithContext(ctx).WithField("follow", follow).Warn("follow had no associated target account")
continue
}
if blocked, err := p.state.DB.IsEitherBlocked(ctx, requestingAccountID, follow.TargetAccountID); err != nil {
err = fmt.Errorf("targetAccountsFromFollows: db error checking block: %w", err)
return nil, gtserror.NewErrorInternalError(err)
} else if blocked {
continue
}
account, err := p.tc.AccountToAPIAccountPublic(ctx, follow.TargetAccount)
if err != nil {
err = fmt.Errorf("targetAccountsFromFollows: error converting account to api account: %w", err)
return nil, gtserror.NewErrorInternalError(err)
}
accounts = append(accounts, *account)
}
return accounts, nil
}