gotosocial/internal/api/client/polls/polls_vote.go

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// 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 polls
import (
"fmt"
"net/http"
"strconv"
"github.com/gin-gonic/gin"
apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
apiutil "github.com/superseriousbusiness/gotosocial/internal/api/util"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
"github.com/superseriousbusiness/gotosocial/internal/oauth"
)
// PollVotePOSTHandler swagger:operation POST /api/v1/polls/{id}/votes pollVote
//
// Vote with choices in the given poll.
//
// ---
// tags:
// - polls
//
// produces:
// - application/json
//
// parameters:
// -
// name: id
// type: string
// description: Target poll ID.
// in: path
// required: true
// -
// name: choices
// type: array
// items:
// type: integer
// description: Poll choice indices on which to vote.
// in: formData
// required: true
//
// security:
// - OAuth2 Bearer:
// - write:statuses
//
// responses:
// '200':
// description: "The updated poll with user vote choices."
// schema:
// "$ref": "#/definitions/poll"
// '400':
// description: bad request
// '401':
// description: unauthorized
// '403':
// description: forbidden
// '404':
// description: not found
// '406':
// description: not acceptable
// '422':
// description: unprocessable entity
// '500':
// description: internal server error
func (m *Module) PollVotePOSTHandler(c *gin.Context) {
authed, err := oauth.Authed(c, true, true, true, true)
if err != nil {
errWithCode := gtserror.NewErrorUnauthorized(err, err.Error())
apiutil.ErrorHandler(c, errWithCode, m.processor.InstanceGetV1)
return
}
if authed.Account.IsMoving() {
apiutil.ForbiddenAfterMove(c)
return
}
if _, err := apiutil.NegotiateAccept(c, apiutil.JSONAcceptHeaders...); err != nil {
errWithCode := gtserror.NewErrorNotAcceptable(err, err.Error())
apiutil.ErrorHandler(c, errWithCode, m.processor.InstanceGetV1)
return
}
pollID, errWithCode := apiutil.ParseID(c.Param(IDKey))
if errWithCode != nil {
apiutil.ErrorHandler(c, errWithCode, m.processor.InstanceGetV1)
return
}
choices, err := bindChoices(c)
if err != nil {
errWithCode := gtserror.NewErrorBadRequest(err, err.Error())
apiutil.ErrorHandler(c, errWithCode, m.processor.InstanceGetV1)
return
}
poll, errWithCode := m.processor.Polls().PollVote(
c.Request.Context(),
authed.Account,
pollID,
choices,
)
if errWithCode != nil {
apiutil.ErrorHandler(c, errWithCode, m.processor.InstanceGetV1)
return
}
apiutil.JSON(c, http.StatusOK, poll)
}
func bindChoices(c *gin.Context) ([]int, error) {
var form apimodel.PollVoteRequest
if err := c.ShouldBind(&form); err != nil {
return nil, err
}
if form.Choices != nil {
// Easiest option: we parsed
// from a form successfully.
return form.Choices, nil
}
// More difficult option: we
// parsed choices from json.
//
// Convert submitted choices
// into the ints we need.
choices := make([]int, 0, len(form.ChoicesI))
for _, choiceI := range form.ChoicesI {
switch i := choiceI.(type) {
// JSON numbers normally
// parse into float64.
//
// This is the most likely
// option so try it first.
case float64:
choices = append(choices, int(i))
// Fallback option for funky
// clients (pinafore, semaphore).
case string:
choice, err := strconv.Atoi(i)
if err != nil {
return nil, err
}
choices = append(choices, choice)
default:
// Nothing else will do.
return nil, fmt.Errorf("could not parse json poll choice %T to integer", choiceI)
}
}
return choices, nil
}