woodpecker/server/handler/context.go

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package handler
import (
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"net/http"
"strconv"
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"github.com/drone/drone/shared/model"
"github.com/zenazn/goji/web"
)
// ToUser returns the User from the current
// request context. If the User does not exist
// a nil value is returned.
func ToUser(c web.C) *model.User {
var v = c.Env["user"]
if v == nil {
return nil
}
u, ok := v.(*model.User)
if !ok {
return nil
}
return u
}
// ToRepo returns the Repo from the current
// request context. If the Repo does not exist
// a nil value is returned.
func ToRepo(c web.C) *model.Repo {
var v = c.Env["repo"]
if v == nil {
return nil
}
r, ok := v.(*model.Repo)
if !ok {
return nil
}
return r
}
// ToRole returns the Role from the current
// request context. If the Role does not exist
// a nil value is returned.
func ToRole(c web.C) *model.Perm {
var v = c.Env["role"]
if v == nil {
return nil
}
p, ok := v.(*model.Perm)
if !ok {
return nil
}
return p
}
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// ToLimit returns the Limit from current request
// query if limit doesn't present set default offset
// equal to 20, maximum limit equal 100
func ToLimit(r *http.Request) int {
if len(r.FormValue("limit")) == 0 {
return 20
}
limit, err := strconv.Atoi(r.FormValue("limit"))
if err != nil {
return 20
}
if limit > 100 {
return 100
}
return limit
}
// ToOffset returns the Offset from current request
// query if offset doesn't present set default offset
// equal to 0
func ToOffset(r *http.Request) int {
if len(r.FormValue("offset")) == 0 {
return 0
}
offset, err := strconv.Atoi(r.FormValue("offset"))
if err != nil {
return 0
}
return offset
}