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query_parse.go
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query_parse.go
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// SPDX-License-Identifier: AGPL-3.0-only
//
// 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, version 3.
//
// 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 <https://www.gnu.org/licenses/>
package handler
import (
"net/http"
"strconv"
"github.com/gofiber/fiber/v2"
"github.com/bangumi/server/internal/model"
"github.com/bangumi/server/internal/strparse"
"github.com/bangumi/server/internal/web/res/code"
)
// these errors result in to 400 http response.
var errMissingCharacterID = fiber.NewError(code.BadRequest, "character ID is required")
var errMissingSubjectID = fiber.NewError(code.BadRequest, "subject ID is required")
var errMissingPersonID = fiber.NewError(code.BadRequest, "person ID is required")
var errMissingEpisodeID = fiber.NewError(code.BadRequest, "episode ID is required")
var errMissingIndexID = fiber.NewError(code.BadRequest, "index ID is required")
func parseSubjectType(s string) (uint8, error) {
if s == "" {
return 0, nil
}
t, err := strparse.Uint8(s)
if err != nil {
return 0, fiber.NewError(http.StatusBadRequest, "bad subject type: "+strconv.Quote(s))
}
switch t {
case model.SubjectAnime, model.SubjectBook,
model.SubjectMusic, model.SubjectReal, model.SubjectGame:
return t, nil
}
return 0, fiber.NewError(http.StatusBadRequest, strconv.Quote(s)+" is not a valid subject type")
}
func parseSubjectID(s string) (model.SubjectIDType, error) {
if s == "" {
return 0, errMissingSubjectID
}
v, err := strparse.SubjectID(s)
if err != nil {
return 0, fiber.NewError(code.BadRequest, strconv.Quote(s)+" is not valid subject ID")
}
return v, nil
}
func parseCharacterID(s string) (model.CharacterIDType, error) {
if s == "" {
return 0, errMissingCharacterID
}
v, err := strparse.CharacterID(s)
if err != nil {
return 0, fiber.NewError(code.BadRequest, strconv.Quote(s)+" is not valid character ID")
}
return v, nil
}
func parsePersonID(s string) (model.PersonIDType, error) {
if s == "" {
return 0, errMissingPersonID
}
v, err := strparse.PersonID(s)
if err != nil {
return 0, fiber.NewError(code.BadRequest, strconv.Quote(s)+" is not valid person ID")
}
return v, nil
}
func parseEpisodeID(s string) (model.EpisodeIDType, error) {
if s == "" {
return 0, errMissingEpisodeID
}
v, err := strparse.EpisodeID(s)
if err != nil {
return 0, fiber.NewError(code.BadRequest, strconv.Quote(s)+" is not a valid episode ID")
}
return v, nil
}
func parseIndexID(s string) (model.IndexIDType, error) {
if s == "" {
return 0, errMissingIndexID
}
v, err := strparse.IndexID(s)
if err != nil {
return 0, fiber.NewError(code.BadRequest, strconv.Quote(s)+" is not a valid index ID")
}
return v, nil
}