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package growel
import (
"strings"
)
/* constructor */
// Engine.Group creates a Group
// pass the Group as a parameter to the callback function
// used to create route groups
func (e *Engine) Group(prefix string, fn func(*Group)) {
g := &Group{
prefix: prefix,
engine: e,
}
fn(g)
}
// Group.Group creates a nested Group
// joining all prefixes of parent groups
func (g *Group) Group(prefix string, fn func(*Group)) {
nested := &Group{
prefix: joinPath(g.prefix, prefix),
engine: g.engine,
}
fn(nested)
}
/* Inherit Engine methods */
func (g *Group) GET(path string, handler Handler) {
full := joinPath(g.prefix, path)
g.engine.GET(full, handler)
}
func (g *Group) POST(path string, handler Handler) {
full := joinPath(g.prefix, path)
g.engine.POST(full, handler)
}
func (g *Group) DELETE(path string, handler Handler) {
full := joinPath(g.prefix, path)
g.engine.DELETE(full, handler)
}
func (g *Group) PUT(path string, handler Handler) {
full := joinPath(g.prefix, path)
g.engine.PUT(full, handler)
}
/* utils */
func joinPath(a, b string) string {
if a == "/" {
return a + strings.TrimPrefix(b, "/")
}
return strings.TrimSuffix(a, "/") + "/" + strings.TrimPrefix(b, "/")
}
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