mirror of
https://github.com/go-vikunja/vikunja.git
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217a481162
All generic CRUD handlers now call events.DispatchPending(s) after s.Commit() and events.CleanupPending(s) on rollback paths. This is preparation for switching model methods from events.Dispatch to events.DispatchOnCommit. Refs #2315
101 lines
2.8 KiB
Go
101 lines
2.8 KiB
Go
// Vikunja is a to-do list application to facilitate your life.
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// Copyright 2018-present Vikunja and contributors. All rights reserved.
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//
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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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//
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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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//
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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 <https://www.gnu.org/licenses/>.
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package handler
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import (
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"errors"
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"fmt"
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"net/http"
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"strconv"
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"code.vikunja.io/api/pkg/db"
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"code.vikunja.io/api/pkg/events"
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"code.vikunja.io/api/pkg/log"
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"code.vikunja.io/api/pkg/models"
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"code.vikunja.io/api/pkg/modules/auth"
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"github.com/labstack/echo/v5"
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)
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// ReadOneWeb is the webhandler to get one object
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func (c *WebHandler) ReadOneWeb(ctx *echo.Context) error {
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// Get our model
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currentStruct := c.EmptyStruct()
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// Get the object & bind params to struct
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if err := ctx.Bind(currentStruct); err != nil {
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log.Debugf("Invalid model error. Internal error was: %s", err.Error())
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var he *echo.HTTPError
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if errors.As(err, &he) {
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return models.ErrInvalidModel{Message: fmt.Sprintf("%v", he.Message), Err: err}
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}
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return models.ErrInvalidModel{Err: err}
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}
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// Check permissions
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currentAuth, err := auth.GetAuthFromClaims(ctx)
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if err != nil {
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return echo.NewHTTPError(http.StatusInternalServerError, "Could not determine the current user.").Wrap(err)
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}
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// Create the db session
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s := db.NewSession()
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defer func() {
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err = s.Close()
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if err != nil {
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log.Errorf("Could not close session: %s", err)
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}
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}()
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canRead, maxPermission, err := currentStruct.CanRead(s, currentAuth)
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if err != nil {
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_ = s.Rollback()
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events.CleanupPending(s)
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return err
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}
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if !canRead {
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_ = s.Rollback()
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events.CleanupPending(s)
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log.Warningf("Tried to read while not having the permissions for it (User: %v)", currentAuth)
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return echo.NewHTTPError(http.StatusForbidden, "You don't have the permission to see this")
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}
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// Get our object
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err = currentStruct.ReadOne(s, currentAuth)
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if err != nil {
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_ = s.Rollback()
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events.CleanupPending(s)
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return err
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}
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// Set the headers
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if canRead {
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ctx.Response().Header().Set("x-max-permission", strconv.FormatInt(int64(maxPermission), 10))
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ctx.Response().Header().Set("Access-Control-Expose-Headers", "x-max-permission")
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}
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err = s.Commit()
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if err != nil {
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events.CleanupPending(s)
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return err
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}
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events.DispatchPending(s)
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return ctx.JSON(http.StatusOK, currentStruct)
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}
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