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Add context.FindClosest(n) to find closest paths - useful for 404 pages to suggest valid pages

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Former-commit-id: 90ff7c9da5369df5bd99fbbecf9955a8c555fea5
This commit is contained in:
Gerasimos (Makis) Maropoulos
2019-12-16 02:00:42 +02:00
parent 4efe9004fa
commit a3f944b884
11 changed files with 137 additions and 30 deletions
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21
core/router/route.go
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@@ -161,7 +161,7 @@ func (r *Route) BuildHandlers() {
}
// String returns the form of METHOD, SUBDOMAIN, TMPL PATH.
func (r Route) String() string {
func (r *Route) String() string {
return fmt.Sprintf("%s %s%s",
r.Method, r.Subdomain, r.Tmpl().Src)
}
@@ -214,13 +214,13 @@ func (r *Route) SetPriority(prio float32) *Route {
// Developer can get his registered path
// via Tmpl().Src, Route.Path is the path
// converted to match the underline router's specs.
func (r Route) Tmpl() macro.Template {
func (r *Route) Tmpl() macro.Template {
return r.tmpl
}
// RegisteredHandlersLen returns the end-developer's registered handlers, all except the macro evaluator handler
// if was required by the build process.
func (r Route) RegisteredHandlersLen() int {
func (r *Route) RegisteredHandlersLen() int {
n := len(r.Handlers)
if handler.CanMakeHandler(r.tmpl) {
n--
@@ -230,7 +230,7 @@ func (r Route) RegisteredHandlersLen() int {
}
// IsOnline returns true if the route is marked as "online" (state).
func (r Route) IsOnline() bool {
func (r *Route) IsOnline() bool {
return r.Method != MethodNone
}
@@ -270,11 +270,18 @@ func formatPath(path string) string {
return path
}
// IsStatic reports whether this route is a static route.
// Does not contain dynamic path parameters,
// is online and registered on GET HTTP Method.
func (r *Route) IsStatic() bool {
return r.IsOnline() && len(r.Tmpl().Params) == 0 && r.Method == "GET"
}
// StaticPath returns the static part of the original, registered route path.
// if /user/{id} it will return /user
// if /user/{id}/friend/{friendid:uint64} it will return /user too
// if /assets/{filepath:path} it will return /assets.
func (r Route) StaticPath() string {
func (r *Route) StaticPath() string {
src := r.tmpl.Src
bidx := strings.IndexByte(src, '{')
if bidx == -1 || len(src) <= bidx {
@@ -289,7 +296,7 @@ func (r Route) StaticPath() string {
}
// ResolvePath returns the formatted path's %v replaced with the args.
func (r Route) ResolvePath(args ...string) string {
func (r *Route) ResolvePath(args ...string) string {
rpath, formattedPath := r.Path, r.FormattedPath
if rpath == formattedPath {
// static, no need to pass args
@@ -310,7 +317,7 @@ func (r Route) ResolvePath(args ...string) string {
// Trace returns some debug infos as a string sentence.
// Should be called after Build.
func (r Route) Trace() string {
func (r *Route) Trace() string {
printfmt := fmt.Sprintf("[%s:%d] %s:", r.SourceFileName, r.SourceLineNumber, r.Method)
if r.Subdomain != "" {
printfmt += fmt.Sprintf(" %s", r.Subdomain)