// HandleShow displays a single story
func HandleShow(context router.Context) error {
// Find the story
story, err := stories.Find(context.ParamInt("id"))
if err != nil {
return router.InternalError(err)
}
// Find the comments for this story
// Fetch the comments
q := comments.Where("story_id=?", story.Id).Order(comments.RankOrder)
rootComments, err := comments.FindAll(q)
if err != nil {
return router.InternalError(err)
}
// Render the template
view := view.New(context)
view.AddKey("story", story)
view.AddKey("meta_title", story.Name)
view.AddKey("meta_desc", story.Summary)
view.AddKey("meta_keywords", story.Name)
view.AddKey("comments", rootComments)
view.AddKey("authenticity_token", authorise.CreateAuthenticityToken(context))
return view.Render()
}
// HandleHome displays a list of stories using gravity to order them
// used for the home page for gravity rank see votes.go
func HandleHome(context router.Context) error {
// Build a query
q := stories.Query().Limit(listLimit)
// Select only above 0 points, Order by rank, then points, then name
q.Where("points > 0").Order("rank desc, points desc, id desc")
// Fetch the stories
results, err := stories.FindAll(q)
if err != nil {
return router.InternalError(err)
}
// Render the template
view := view.New(context)
view.AddKey("stories", results)
view.AddKey("meta_title", "Golang News")
view.AddKey("meta_desc", "News for Go Hackers, in the style of Hacker News. A curated selection of the latest links about the Go programming language.")
view.AddKey("meta_keywords", "golang news, blog, links, go developers, go web apps, web applications, fragmenta")
view.AddKey("authenticity_token", authorise.CreateAuthenticityToken(context))
view.Template("stories/views/index.html.got")
return view.Render()
}
// HandleCreateShow handles GET users/create
func HandleCreateShow(context router.Context) error {
// No auth as anyone can create users in this app
// Setup
view := view.New(context)
user := users.New()
view.AddKey("user", user)
view.AddKey("authenticity_token", authorise.CreateAuthenticityToken(context))
// Serve
return view.Render()
}
// HandleShow displays a single comment
func HandleShow(context router.Context) error {
// Find the comment
comment, err := comments.Find(context.ParamInt("id"))
if err != nil {
return router.InternalError(err)
}
// No auth as all are public - if we restricted by status we might need to authorise here
// Render the template
view := view.New(context)
view.AddKey("comment", comment)
view.AddKey("authenticity_token", authorise.CreateAuthenticityToken(context))
return view.Render()
}
// HandleCreateShow serves the create form via GET for stories
func HandleCreateShow(context router.Context) error {
// Authorise
err := authorise.Path(context)
if err != nil {
return router.NotAuthorizedError(err)
}
// Render the template
view := view.New(context)
story := stories.New()
view.AddKey("story", story)
view.AddKey("meta_title", "Go Hacker News Submit")
view.AddKey("authenticity_token", authorise.CreateAuthenticityToken(context))
return view.Render()
}
// HandleCreateShow serves the create form via GET for comments
func HandleCreateShow(context router.Context) error {
// Authorise
err := authorise.Path(context)
if err != nil {
return router.NotAuthorizedError(err)
}
// Render the template
view := view.New(context)
comment := comments.New()
view.AddKey("comment", comment)
// TODO: May have to validate parent_id or story_id
view.AddKey("story_id", context.ParamInt("story_id"))
view.AddKey("parent_id", context.ParamInt("parent_id"))
view.AddKey("authenticity_token", authorise.CreateAuthenticityToken(context))
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)
view.AddKey("authenticity_token", authorise.CreateAuthenticityToken(context))
return view.Render()
}
// 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)
view.AddKey("authenticity_token", authorise.CreateAuthenticityToken(context))
return view.Render()
}
// HandleIndex displays a list of stories at /stories
func HandleIndex(context router.Context) error {
// Build a query
q := stories.Query().Limit(listLimit)
// Order by date by default
q.Where("points > -6").Order("created_at desc")
// Filter if necessary - this assumes name and summary cols
filter := context.Param("filter")
if len(filter) > 0 {
context.Logf("FILTER %s", filter)
// Replace special characters with escaped sequence
filter = strings.Replace(filter, "_", "\\_", -1)
filter = strings.Replace(filter, "%", "\\%", -1)
// initially very simple, do ilike query for filter with wildcards
q.Where("stories.name ILIKE ?", "%"+filter+"%")
// If filtering, order by rank, not by date
q.Order("rank desc, points desc, id desc")
}
// Fetch the stories
results, err := stories.FindAll(q)
if err != nil {
return router.InternalError(err)
}
// Render the template
view := view.New(context)
view.AddKey("filter", filter)
view.AddKey("stories", results)
view.AddKey("meta_title", "Go Hacker News Links")
view.AddKey("authenticity_token", authorise.CreateAuthenticityToken(context))
return view.Render()
}
// HandleIndex displays a list of comments
func HandleIndex(context router.Context) error {
// No auth this is public
// Build a query to fetch latest 100 comments
q := comments.Query().Limit(100).Order("created_at desc")
// Filter on user id - we only show the actual user's comments
// so not a nested view as in HN
userID := context.ParamInt("u")
if userID > 0 {
q.Where("user_id=?", userID)
}
// Filter if necessary - this assumes name and summary cols
filter := context.Param("filter")
if len(filter) > 0 {
filter = strings.Replace(filter, "&", "", -1)
filter = strings.Replace(filter, " ", "", -1)
filter = strings.Replace(filter, " ", " & ", -1)
q.Where("(to_tsvector(text) @@ to_tsquery(?) )", filter)
}
// Fetch the comments
results, err := comments.FindAll(q)
if err != nil {
return router.InternalError(err)
}
// Render the template
view := view.New(context)
view.AddKey("filter", filter)
view.AddKey("comments", results)
view.AddKey("meta_title", "Comments")
view.AddKey("authenticity_token", authorise.CreateAuthenticityToken(context))
return view.Render()
}