forked from mirrors/gotosocial
6f6e89e271
* test link headers * page get account statuses properly * page get notifications * add util func for packaging timeline responses * return timelined stuff from accountstatusesget * rename timeline response * use new convenience function * go fmt
105 lines
3.9 KiB
Go
105 lines
3.9 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
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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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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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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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*/
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package util
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import (
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"fmt"
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"net/url"
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apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
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"github.com/superseriousbusiness/gotosocial/internal/config"
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"github.com/superseriousbusiness/gotosocial/internal/gtserror"
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"github.com/superseriousbusiness/gotosocial/internal/timeline"
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)
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// TimelineableResponseParams models the parameters to pass to PackageTimelineableResponse.
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//
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// The given items will be provided in the timeline response.
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//
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// The other values are all used to create the Link header so that callers know
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// which endpoint to query next and previously in order to do paging.
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type TimelineableResponseParams struct {
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Items []timeline.Timelineable // Sorted slice of Timelineables (statuses, notifications, etc)
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Path string // path to use for next/prev queries in the link header
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NextMaxIDKey string // key to use for the next max id query param in the link header, defaults to 'max_id'
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NextMaxIDValue string // value to use for next max id
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PrevMinIDKey string // key to use for the prev min id query param in the link header, defaults to 'min_id'
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PrevMinIDValue string // value to use for prev min id
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Limit int // limit number of entries to return
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ExtraQueryParams []string // any extra query parameters to provide in the link header, should be in the format 'example=value'
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}
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// PackageTimelineableResponse is a convenience function for returning
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// a bunch of timelineable items (notifications, statuses, etc), as well
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// as a Link header to inform callers of where to find next/prev items.
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func PackageTimelineableResponse(params TimelineableResponseParams) (*apimodel.TimelineResponse, gtserror.WithCode) {
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if params.NextMaxIDKey == "" {
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params.NextMaxIDKey = "max_id"
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}
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if params.PrevMinIDKey == "" {
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params.PrevMinIDKey = "min_id"
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}
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timelineResponse := &apimodel.TimelineResponse{
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Items: params.Items,
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}
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// prepare the next and previous links
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if len(params.Items) != 0 {
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protocol := config.GetProtocol()
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host := config.GetHost()
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nextRaw := fmt.Sprintf("limit=%d&%s=%s", params.Limit, params.NextMaxIDKey, params.NextMaxIDValue)
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for _, p := range params.ExtraQueryParams {
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nextRaw = nextRaw + "&" + p
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}
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nextLink := &url.URL{
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Scheme: protocol,
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Host: host,
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Path: params.Path,
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RawQuery: nextRaw,
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}
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next := fmt.Sprintf("<%s>; rel=\"next\"", nextLink.String())
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prevRaw := fmt.Sprintf("limit=%d&%s=%s", params.Limit, params.PrevMinIDKey, params.PrevMinIDValue)
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for _, p := range params.ExtraQueryParams {
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prevRaw = prevRaw + "&" + p
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}
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prevLink := &url.URL{
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Scheme: protocol,
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Host: host,
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Path: params.Path,
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RawQuery: prevRaw,
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}
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prev := fmt.Sprintf("<%s>; rel=\"prev\"", prevLink.String())
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timelineResponse.LinkHeader = next + ", " + prev
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}
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return timelineResponse, nil
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}
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// EmptyTimelineResponse just returns an empty
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// TimelineResponse with no link header or items.
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func EmptyTimelineResponse() *apimodel.TimelineResponse {
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return &apimodel.TimelineResponse{
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Items: []timeline.Timelineable{},
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}
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}
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