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[chore] update account statuses paging logic (#1814)

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tobi 2023-05-22 16:32:36 +02:00 committed by GitHub
parent ea1bbacf4b
commit c48abd8bc0
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5 changed files with 389 additions and 126 deletions
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120
internal/db/bundb/account.go
View file

@ -29,6 +29,7 @@
"github.com/superseriousbusiness/gotosocial/internal/gtscontext"
"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/state"
"github.com/superseriousbusiness/gotosocial/internal/util"
@ -475,48 +476,41 @@ func (a *accountDB) CountAccountPinned(ctx context.Context, accountID string) (i
}
func (a *accountDB) GetAccountStatuses(ctx context.Context, accountID string, limit int, excludeReplies bool, excludeReblogs bool, maxID string, minID string, mediaOnly bool, publicOnly bool) ([]*gtsmodel.Status, db.Error) {
statusIDs := []string{}
// Ensure reasonable
if limit < 0 {
limit = 0
}
// Make educated guess for slice size
var (
statusIDs = make([]string, 0, limit)
frontToBack = true
)
q := a.conn.
NewSelect().
TableExpr("? AS ?", bun.Ident("statuses"), bun.Ident("status")).
// Select only IDs from table
Column("status.id").
Order("status.id DESC")
if accountID != "" {
q = q.Where("? = ?", bun.Ident("status.account_id"), accountID)
}
if limit != 0 {
q = q.Limit(limit)
}
Where("? = ?", bun.Ident("status.account_id"), accountID)
if excludeReplies {
// include self-replies (threads)
whereGroup := func(*bun.SelectQuery) *bun.SelectQuery {
q = q.WhereGroup(" AND ", func(*bun.SelectQuery) *bun.SelectQuery {
return q.
WhereOr("? = ?", bun.Ident("status.in_reply_to_account_id"), accountID).
WhereGroup(" OR ", whereEmptyOrNull("status.in_reply_to_uri"))
}
q = q.WhereGroup(" AND ", whereGroup)
// Do include self replies (threads), but
// don't include replies to other people.
Where("? = ?", bun.Ident("status.in_reply_to_account_id"), accountID).
WhereOr("? IS NULL", bun.Ident("status.in_reply_to_uri"))
})
}
if excludeReblogs {
q = q.WhereGroup(" AND ", whereEmptyOrNull("status.boost_of_id"))
}
if maxID != "" {
q = q.Where("? < ?", bun.Ident("status.id"), maxID)
}
if minID != "" {
q = q.Where("? > ?", bun.Ident("status.id"), minID)
q = q.Where("? IS NULL", bun.Ident("status.boost_of_id"))
}
if mediaOnly {
// attachments are stored as a json object;
// this implementation differs between sqlite and postgres,
// Attachments are stored as a json object; this
// implementation differs between SQLite and Postgres,
// so we have to be thorough to cover all eventualities
q = q.WhereGroup(" AND ", func(q *bun.SelectQuery) *bun.SelectQuery {
switch a.conn.Dialect().Name() {
@ -542,10 +536,46 @@ func (a *accountDB) GetAccountStatuses(ctx context.Context, accountID string, li
q = q.Where("? = ?", bun.Ident("status.visibility"), gtsmodel.VisibilityPublic)
}
// return only statuses LOWER (ie., older) than maxID
if maxID == "" {
maxID = id.Highest
}
q = q.Where("? < ?", bun.Ident("status.id"), maxID)
if minID != "" {
// return only statuses HIGHER (ie., newer) than minID
q = q.Where("? > ?", bun.Ident("status.id"), minID)
// page up
frontToBack = false
}
if limit > 0 {
// limit amount of statuses returned
q = q.Limit(limit)
}
if frontToBack {
// Page down.
q = q.Order("status.id DESC")
} else {
// Page up.
q = q.Order("status.id ASC")
}
if err := q.Scan(ctx, &statusIDs); err != nil {
return nil, a.conn.ProcessError(err)
}
// If we're paging up, we still want statuses
// to be sorted by ID desc, so reverse ids slice.
// https://zchee.github.io/golang-wiki/SliceTricks/#reversing
if !frontToBack {
for l, r := 0, len(statusIDs)-1; l < r; l, r = l+1, r-1 {
statusIDs[l], statusIDs[r] = statusIDs[r], statusIDs[l]
}
}
return a.statusesFromIDs(ctx, statusIDs)
}
@ -568,23 +598,45 @@ func (a *accountDB) GetAccountPinnedStatuses(ctx context.Context, accountID stri
}
func (a *accountDB) GetAccountWebStatuses(ctx context.Context, accountID string, limit int, maxID string) ([]*gtsmodel.Status, db.Error) {
statusIDs := []string{}
// Ensure reasonable
if limit < 0 {
limit = 0
}
// Make educated guess for slice size
statusIDs := make([]string, 0, limit)
q := a.conn.
NewSelect().
TableExpr("? AS ?", bun.Ident("statuses"), bun.Ident("status")).
// Select only IDs from table
Column("status.id").
Where("? = ?", bun.Ident("status.account_id"), accountID).
WhereGroup(" AND ", whereEmptyOrNull("status.in_reply_to_uri")).
WhereGroup(" AND ", whereEmptyOrNull("status.boost_of_id")).
// Don't show replies or boosts.
Where("? IS NULL", bun.Ident("status.in_reply_to_uri")).
Where("? IS NULL", bun.Ident("status.boost_of_id")).
// Only Public statuses.
Where("? = ?", bun.Ident("status.visibility"), gtsmodel.VisibilityPublic).
// Don't show local-only statuses on the web view.
Where("? = ?", bun.Ident("status.federated"), true)
if maxID != "" {
q = q.Where("? < ?", bun.Ident("status.id"), maxID)
// return only statuses LOWER (ie., older) than maxID
if maxID == "" {
maxID = id.Highest
}
q = q.Where("? < ?", bun.Ident("status.id"), maxID)
if limit > 0 {
// limit amount of statuses returned
q = q.Limit(limit)
}
q = q.Limit(limit).Order("status.id DESC")
if limit > 0 {
// limit amount of statuses returned
q = q.Limit(limit)
}
q = q.Order("status.id DESC")
if err := q.Scan(ctx, &statusIDs); err != nil {
return nil, a.conn.ProcessError(err)

28
internal/db/bundb/account_test.go
View file

@ -45,6 +45,34 @@ func (suite *AccountTestSuite) TestGetAccountStatuses() {
suite.Len(statuses, 5)
}
func (suite *AccountTestSuite) TestGetAccountStatusesPageDown() {
// get the first page
statuses, err := suite.db.GetAccountStatuses(context.Background(), suite.testAccounts["local_account_1"].ID, 2, false, false, "", "", false, false)
if err != nil {
suite.FailNow(err.Error())
}
suite.Len(statuses, 2)
// get the second page
statuses, err = suite.db.GetAccountStatuses(context.Background(), suite.testAccounts["local_account_1"].ID, 2, false, false, statuses[len(statuses)-1].ID, "", false, false)
if err != nil {
suite.FailNow(err.Error())
}
suite.Len(statuses, 2)
// get the third page
statuses, err = suite.db.GetAccountStatuses(context.Background(), suite.testAccounts["local_account_1"].ID, 2, false, false, statuses[len(statuses)-1].ID, "", false, false)
if err != nil {
suite.FailNow(err.Error())
}
suite.Len(statuses, 1)
// try to get the last page (should be empty)
statuses, err = suite.db.GetAccountStatuses(context.Background(), suite.testAccounts["local_account_1"].ID, 2, false, false, statuses[len(statuses)-1].ID, "", false, false)
suite.ErrorIs(err, db.ErrNoEntries)
suite.Empty(statuses)
}
func (suite *AccountTestSuite) TestGetAccountStatusesExcludeRepliesAndReblogs() {
statuses, err := suite.db.GetAccountStatuses(context.Background(), suite.testAccounts["local_account_1"].ID, 20, true, true, "", "", false, false)
suite.NoError(err)

120
internal/processing/account/statuses.go
View file

@ -26,16 +26,32 @@
"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 given account, filtered by visibility for
// the account given in authed.
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) {
// 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 {
if blocked, err := p.state.DB.IsEitherBlocked(ctx, requestingAccount.ID, targetAccountID); err != nil {
blocked, err := p.state.DB.IsEitherBlocked(ctx, requestingAccount.ID, targetAccountID)
if err != nil {
return nil, gtserror.NewErrorInternalError(err)
} else if blocked {
}
if blocked {
err := errors.New("block exists between accounts")
return nil, gtserror.NewErrorNotFound(err)
}
@ -45,6 +61,7 @@ func (p *Processor) StatusesGet(ctx context.Context, requestingAccount *gtsmodel
statuses []*gtsmodel.Status
err error
)
if pinned {
// Get *ONLY* pinned statuses.
statuses, err = p.state.DB.GetAccountPinnedStatuses(ctx, targetAccountID)
@ -52,14 +69,17 @@ func (p *Processor) StatusesGet(ctx context.Context, requestingAccount *gtsmodel
// 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 {
if err == db.ErrNoEntries {
return util.EmptyPageableResponse(), nil
}
if err != nil && !errors.Is(err, db.ErrNoEntries) {
return nil, gtserror.NewErrorInternalError(err)
}
// Filtering + serialization process is the same for either pinned status queries or 'normal' ones.
if len(statuses) == 0 {
return util.EmptyPageableResponse(), nil
}
// 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)
@ -67,24 +87,32 @@ func (p *Processor) StatusesGet(ctx context.Context, requestingAccount *gtsmodel
count := len(filtered)
if count == 0 {
// After filtering there were
// no statuses left to serve.
return util.EmptyPageableResponse(), nil
}
items := make([]interface{}, 0, count)
nextMaxIDValue := ""
prevMinIDValue := ""
for i, s := range filtered {
item, err := p.tc.StatusToAPIStatus(ctx, s, requestingAccount)
if err != nil {
return nil, gtserror.NewErrorInternalError(fmt.Errorf("error converting status to api: %s", err))
}
var (
items = make([]interface{}, 0, count)
nextMaxIDValue string
prevMinIDValue string
)
for i, s := range filtered {
// Set next + prev values before filtering and API
// converting, so caller can still page properly.
if i == count-1 {
nextMaxIDValue = item.GetID()
nextMaxIDValue = s.ID
}
if i == 0 {
prevMinIDValue = item.GetID()
prevMinIDValue = s.ID
}
item, err := p.tc.StatusToAPIStatus(ctx, s, requestingAccount)
if err != nil {
log.Debugf(ctx, "skipping status %s because it couldn't be converted to its api representation: %s", s.ID, err)
continue
}
items = append(items, item)
@ -100,7 +128,7 @@ func (p *Processor) StatusesGet(ctx context.Context, requestingAccount *gtsmodel
return util.PackagePageableResponse(util.PageableResponseParams{
Items: items,
Path: fmt.Sprintf("/api/v1/accounts/%s/statuses", targetAccountID),
Path: "/api/v1/accounts/" + targetAccountID + "/statuses",
NextMaxIDValue: nextMaxIDValue,
PrevMinIDValue: prevMinIDValue,
Limit: limit,
@ -114,62 +142,58 @@ func (p *Processor) StatusesGet(ctx context.Context, requestingAccount *gtsmodel
})
}
// 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.
// 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) {
acct, err := p.state.DB.GetAccountByID(ctx, targetAccountID)
account, err := p.state.DB.GetAccountByID(ctx, targetAccountID)
if err != nil {
if err == db.ErrNoEntries {
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 acct.Domain != "" {
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 {
if err == db.ErrNoEntries {
return util.EmptyPageableResponse(), nil
}
if err != nil && !errors.Is(err, db.ErrNoEntries) {
return nil, gtserror.NewErrorInternalError(err)
}
count := len(statuses)
if count == 0 {
return util.EmptyPageableResponse(), nil
}
items := []interface{}{}
nextMaxIDValue := ""
prevMinIDValue := ""
var (
items = make([]interface{}, 0, count)
nextMaxIDValue string
)
for i, s := range statuses {
// Set next value before API converting,
// so caller can still page properly.
if i == count-1 {
nextMaxIDValue = s.ID
}
item, err := p.tc.StatusToAPIStatus(ctx, s, nil)
if err != nil {
return nil, gtserror.NewErrorInternalError(fmt.Errorf("error converting status to api: %s", err))
}
if i == count-1 {
nextMaxIDValue = item.GetID()
}
if i == 0 {
prevMinIDValue = item.GetID()
log.Debugf(ctx, "skipping status %s because it couldn't be converted to its api representation: %s", s.ID, err)
continue
}
items = append(items, item)
}
return util.PackagePageableResponse(util.PageableResponseParams{
Items: items,
Path: "/@" + acct.Username,
NextMaxIDValue: nextMaxIDValue,
PrevMinIDValue: prevMinIDValue,
ExtraQueryParams: []string{},
Items: items,
Path: "/@" + account.Username,
NextMaxIDValue: nextMaxIDValue,
})
}

108
internal/util/paging.go
View file

@ -20,6 +20,7 @@
import (
"fmt"
"net/url"
"strings"
apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
"github.com/superseriousbusiness/gotosocial/internal/config"
@ -47,6 +48,13 @@ type PageableResponseParams struct {
// a bunch of pageable items (notifications, statuses, etc), as well
// as a Link header to inform callers of where to find next/prev items.
func PackagePageableResponse(params PageableResponseParams) (*apimodel.PageableResponse, gtserror.WithCode) {
if len(params.Items) == 0 {
// No items to page through.
return EmptyPageableResponse(), nil
}
// Set default paging values, if
// they weren't set by the caller.
if params.NextMaxIDKey == "" {
params.NextMaxIDKey = "max_id"
}
@ -55,58 +63,70 @@ func PackagePageableResponse(params PageableResponseParams) (*apimodel.PageableR
params.PrevMinIDKey = "min_id"
}
pageableResponse := EmptyPageableResponse()
var (
protocol = config.GetProtocol()
host = config.GetHost()
nextLink string
prevLink string
linkHeaderParts = make([]string, 0, 2)
)
if len(params.Items) == 0 {
return pageableResponse, nil
// Parse next link.
if params.NextMaxIDValue != "" {
nextRaw := params.NextMaxIDKey + "=" + params.NextMaxIDValue
if params.Limit != 0 {
nextRaw = fmt.Sprintf("limit=%d&", params.Limit) + nextRaw
}
for _, p := range params.ExtraQueryParams {
nextRaw += "&" + p
}
nextLink = func() string {
u := &url.URL{
Scheme: protocol,
Host: host,
Path: params.Path,
RawQuery: nextRaw,
}
return u.String()
}()
linkHeaderParts = append(linkHeaderParts, `<`+nextLink+`>; rel="next"`)
}
// items
pageableResponse.Items = params.Items
// Parse prev link.
if params.PrevMinIDValue != "" {
prevRaw := params.PrevMinIDKey + "=" + params.PrevMinIDValue
protocol := config.GetProtocol()
host := config.GetHost()
if params.Limit != 0 {
prevRaw = fmt.Sprintf("limit=%d&", params.Limit) + prevRaw
}
// next
nextRaw := params.NextMaxIDKey + "=" + params.NextMaxIDValue
if params.Limit != 0 {
nextRaw = fmt.Sprintf("limit=%d&", params.Limit) + nextRaw
}
for _, p := range params.ExtraQueryParams {
nextRaw = nextRaw + "&" + p
}
nextLink := &url.URL{
Scheme: protocol,
Host: host,
Path: params.Path,
RawQuery: nextRaw,
}
nextLinkString := nextLink.String()
pageableResponse.NextLink = nextLinkString
for _, p := range params.ExtraQueryParams {
prevRaw = prevRaw + "&" + p
}
// prev
prevRaw := params.PrevMinIDKey + "=" + params.PrevMinIDValue
if params.Limit != 0 {
prevRaw = fmt.Sprintf("limit=%d&", params.Limit) + prevRaw
}
for _, p := range params.ExtraQueryParams {
prevRaw = prevRaw + "&" + p
}
prevLink := &url.URL{
Scheme: protocol,
Host: host,
Path: params.Path,
RawQuery: prevRaw,
}
prevLinkString := prevLink.String()
pageableResponse.PrevLink = prevLinkString
prevLink = func() string {
u := &url.URL{
Scheme: protocol,
Host: host,
Path: params.Path,
RawQuery: prevRaw,
}
return u.String()
}()
// link header
next := fmt.Sprintf("<%s>; rel=\"next\"", nextLinkString)
prev := fmt.Sprintf("<%s>; rel=\"prev\"", prevLinkString)
pageableResponse.LinkHeader = next + ", " + prev
linkHeaderParts = append(linkHeaderParts, `<`+prevLink+`>; rel="prev"`)
}
return pageableResponse, nil
return &apimodel.PageableResponse{
Items: params.Items,
LinkHeader: strings.Join(linkHeaderParts, ", "),
NextLink: nextLink,
PrevLink: prevLink,
}, nil
}
// EmptyPageableResponse just returns an empty

139
internal/util/paging_test.go Normal file
View file

@ -0,0 +1,139 @@
// 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 util_test
import (
"testing"
"github.com/stretchr/testify/suite"
"github.com/superseriousbusiness/gotosocial/internal/config"
"github.com/superseriousbusiness/gotosocial/internal/util"
)
type PagingSuite struct {
suite.Suite
}
func (suite *PagingSuite) TestPagingStandard() {
config.SetHost("example.org")
params := util.PageableResponseParams{
Items: make([]interface{}, 10, 10),
Path: "/api/v1/accounts/01H11KA68PM4NNYJEG0FJQ90R3/statuses",
NextMaxIDValue: "01H11KA1DM2VH3747YDE7FV5HN",
PrevMinIDValue: "01H11KBBVRRDYYC5KEPME1NP5R",
Limit: 10,
}
resp, errWithCode := util.PackagePageableResponse(params)
if errWithCode != nil {
suite.FailNow(errWithCode.Error())
}
suite.Equal(make([]interface{}, 10, 10), resp.Items)
suite.Equal(`<https://example.org/api/v1/accounts/01H11KA68PM4NNYJEG0FJQ90R3/statuses?limit=10&max_id=01H11KA1DM2VH3747YDE7FV5HN>; rel="next", <https://example.org/api/v1/accounts/01H11KA68PM4NNYJEG0FJQ90R3/statuses?limit=10&min_id=01H11KBBVRRDYYC5KEPME1NP5R>; rel="prev"`, resp.LinkHeader)
suite.Equal(`https://example.org/api/v1/accounts/01H11KA68PM4NNYJEG0FJQ90R3/statuses?limit=10&max_id=01H11KA1DM2VH3747YDE7FV5HN`, resp.NextLink)
suite.Equal(`https://example.org/api/v1/accounts/01H11KA68PM4NNYJEG0FJQ90R3/statuses?limit=10&min_id=01H11KBBVRRDYYC5KEPME1NP5R`, resp.PrevLink)
}
func (suite *PagingSuite) TestPagingNoLimit() {
config.SetHost("example.org")
params := util.PageableResponseParams{
Items: make([]interface{}, 10, 10),
Path: "/api/v1/accounts/01H11KA68PM4NNYJEG0FJQ90R3/statuses",
NextMaxIDValue: "01H11KA1DM2VH3747YDE7FV5HN",
PrevMinIDValue: "01H11KBBVRRDYYC5KEPME1NP5R",
}
resp, errWithCode := util.PackagePageableResponse(params)
if errWithCode != nil {
suite.FailNow(errWithCode.Error())
}
suite.Equal(make([]interface{}, 10, 10), resp.Items)
suite.Equal(`<https://example.org/api/v1/accounts/01H11KA68PM4NNYJEG0FJQ90R3/statuses?max_id=01H11KA1DM2VH3747YDE7FV5HN>; rel="next", <https://example.org/api/v1/accounts/01H11KA68PM4NNYJEG0FJQ90R3/statuses?min_id=01H11KBBVRRDYYC5KEPME1NP5R>; rel="prev"`, resp.LinkHeader)
suite.Equal(`https://example.org/api/v1/accounts/01H11KA68PM4NNYJEG0FJQ90R3/statuses?max_id=01H11KA1DM2VH3747YDE7FV5HN`, resp.NextLink)
suite.Equal(`https://example.org/api/v1/accounts/01H11KA68PM4NNYJEG0FJQ90R3/statuses?min_id=01H11KBBVRRDYYC5KEPME1NP5R`, resp.PrevLink)
}
func (suite *PagingSuite) TestPagingNoNextID() {
config.SetHost("example.org")
params := util.PageableResponseParams{
Items: make([]interface{}, 10, 10),
Path: "/api/v1/accounts/01H11KA68PM4NNYJEG0FJQ90R3/statuses",
PrevMinIDValue: "01H11KBBVRRDYYC5KEPME1NP5R",
Limit: 10,
}
resp, errWithCode := util.PackagePageableResponse(params)
if errWithCode != nil {
suite.FailNow(errWithCode.Error())
}
suite.Equal(make([]interface{}, 10, 10), resp.Items)
suite.Equal(`<https://example.org/api/v1/accounts/01H11KA68PM4NNYJEG0FJQ90R3/statuses?limit=10&min_id=01H11KBBVRRDYYC5KEPME1NP5R>; rel="prev"`, resp.LinkHeader)
suite.Equal(``, resp.NextLink)
suite.Equal(`https://example.org/api/v1/accounts/01H11KA68PM4NNYJEG0FJQ90R3/statuses?limit=10&min_id=01H11KBBVRRDYYC5KEPME1NP5R`, resp.PrevLink)
}
func (suite *PagingSuite) TestPagingNoPrevID() {
config.SetHost("example.org")
params := util.PageableResponseParams{
Items: make([]interface{}, 10, 10),
Path: "/api/v1/accounts/01H11KA68PM4NNYJEG0FJQ90R3/statuses",
NextMaxIDValue: "01H11KA1DM2VH3747YDE7FV5HN",
Limit: 10,
}
resp, errWithCode := util.PackagePageableResponse(params)
if errWithCode != nil {
suite.FailNow(errWithCode.Error())
}
suite.Equal(make([]interface{}, 10, 10), resp.Items)
suite.Equal(`<https://example.org/api/v1/accounts/01H11KA68PM4NNYJEG0FJQ90R3/statuses?limit=10&max_id=01H11KA1DM2VH3747YDE7FV5HN>; rel="next"`, resp.LinkHeader)
suite.Equal(`https://example.org/api/v1/accounts/01H11KA68PM4NNYJEG0FJQ90R3/statuses?limit=10&max_id=01H11KA1DM2VH3747YDE7FV5HN`, resp.NextLink)
suite.Equal(``, resp.PrevLink)
}
func (suite *PagingSuite) TestPagingNoItems() {
config.SetHost("example.org")
params := util.PageableResponseParams{
NextMaxIDValue: "01H11KA1DM2VH3747YDE7FV5HN",
PrevMinIDValue: "01H11KBBVRRDYYC5KEPME1NP5R",
Limit: 10,
}
resp, errWithCode := util.PackagePageableResponse(params)
if errWithCode != nil {
suite.FailNow(errWithCode.Error())
}
suite.Empty(resp.Items)
suite.Empty(resp.LinkHeader)
suite.Empty(resp.NextLink)
suite.Empty(resp.PrevLink)
}
func TestPagingSuite(t *testing.T) {
suite.Run(t, &PagingSuite{})
}