// HandleDownvote handles POST to /stories/123/downvote
func HandleDownvote(context router.Context) error {
// Prevent CSRF
err := authorise.AuthenticityToken(context)
if err != nil {
return router.NotAuthorizedError(err, "Vote Failed", "CSRF failure")
}
// Find the story
story, err := stories.Find(context.ParamInt("id"))
if err != nil {
return router.NotFoundError(err)
}
user := authorise.CurrentUser(context)
ip := getUserIP(context)
if !user.Admin() {
// Check we have no votes already from this user, if we do fail
if storyHasUserVote(story, user) {
return router.NotAuthorizedError(err, "Vote Failed", "Sorry you are not allowed to vote twice, nice try!")
}
}
// Authorise upvote on story for this user - our rules are:
if !user.CanDownvote() {
return router.NotAuthorizedError(err, "Vote Failed", "Sorry, you can't downvote yet")
}
err = authorise.Resource(context, story)
if err != nil {
return router.NotAuthorizedError(err, "Vote Failed", "Sorry you are not allowed to vote")
}
err = adjustUserPoints(user, -1)
if err != nil {
return err
}
// Adjust points on story and add to the vote table
err = addStoryVote(story, user, ip, -1)
if err != nil {
return err
}
return updateStoriesRank()
}
// HandleFlag handles POST to /stories/123/flag
func HandleFlag(context router.Context) error {
// Protect against CSRF
err := authorise.AuthenticityToken(context)
if err != nil {
return router.NotAuthorizedError(err, "Flag Failed", "CSRF failure")
}
// Find the story
story, err := stories.Find(context.ParamInt("id"))
if err != nil {
return router.NotFoundError(err)
}
user := authorise.CurrentUser(context)
ip := getUserIP(context)
// Check we have no votes already from this user, if we do fail
if storyHasUserFlag(story, user) {
return router.NotAuthorizedError(err, "Flag Failed", "Sorry you are not allowed to flag twice, nice try!")
}
// Authorise upvote on story for this user
if !user.CanFlag() {
return router.NotAuthorizedError(err, "Flag Failed", "Sorry, you can't flag yet")
}
err = authorise.Resource(context, story)
if err != nil {
return router.NotAuthorizedError(err, "Flag Failed", "Sorry you are not allowed to flag")
}
err = adjustUserPoints(user, -1)
if err != nil {
return err
}
err = addStoryVote(story, user, ip, -5)
if err != nil {
return err
}
return updateStoriesRank()
}
// HandleUpdateShow serves a get request at /users/1/update (show form to update)
func HandleUpdateShow(context router.Context) error {
// Setup context for template
view := view.New(context)
user, err := users.Find(context.ParamInt("id"))
if err != nil {
context.Logf("#error Error finding user %s", err)
return router.NotFoundError(err)
}
// Authorise
err = authorise.Resource(context, user)
if err != nil {
return router.NotAuthorizedError(err)
}
view.AddKey("user", user)
return view.Render()
}
// HandleUpdateShow renders the form to update a story
func HandleUpdateShow(context router.Context) error {
// Find the story
story, err := stories.Find(context.ParamInt("id"))
if err != nil {
return router.NotFoundError(err)
}
// Authorise update story
err = authorise.Resource(context, story)
if err != nil {
return router.NotAuthorizedError(err)
}
// Render the template
view := view.New(context)
view.AddKey("story", story)
return view.Render()
}
// HandleDestroy handles a DESTROY request for stories
func HandleDestroy(context router.Context) error {
// Find the story
story, err := stories.Find(context.ParamInt("id"))
if err != nil {
return router.NotFoundError(err)
}
// Authorise destroy story
err = authorise.Resource(context, story)
if err != nil {
return router.NotAuthorizedError(err)
}
// Destroy the story
story.Destroy()
// Redirect to stories root
return router.Redirect(context, story.URLIndex())
}
// HandleUpdateShow responds to GET /comments/update with the form to update a comment
func HandleUpdateShow(context router.Context) error {
// Find the comment
comment, err := comments.Find(context.ParamInt("id"))
if err != nil {
return router.NotFoundError(err)
}
// Authorise update comment
err = authorise.Resource(context, comment)
if err != nil {
return router.NotAuthorizedError(err)
}
// Render the template
view := view.New(context)
view.AddKey("comment", comment)
return view.Render()
}
// HandleDestroy handles a DESTROY request for comments
func HandleDestroy(context router.Context) error {
// Find the comment
comment, err := comments.Find(context.ParamInt("id"))
if err != nil {
return router.NotFoundError(err)
}
// Authorise destroy comment
err = authorise.Resource(context, comment)
if err != nil {
return router.NotAuthorizedError(err)
}
// Destroy the comment
comment.Destroy()
// Redirect to comments root
return router.Redirect(context, comment.URLIndex())
}