harness-drone/pkg/handler/badges.go

70 lines
2 KiB
Go

package handler
import (
"fmt"
"net/http"
"github.com/drone/drone/pkg/database"
)
const (
badgeSuccess = "https://img.shields.io/badge/build-success-brightgreen.png"
badgeFailure = "https://img.shields.io/badge/build-failure-red.png"
badgeUnknown = "https://img.shields.io/badge/build-unknown-lightgray.png"
)
// Display a static badge (png format) for a specific
// repository and an optional branch.
// TODO this needs to implement basic caching
func Badge(w http.ResponseWriter, r *http.Request) error {
successParam := r.FormValue("success")
failureParam := r.FormValue("failure")
branchParam := r.FormValue("branch")
hostParam := r.FormValue(":host")
ownerParam := r.FormValue(":owner")
nameParam := r.FormValue(":name")
repoSlug := fmt.Sprintf("%s/%s/%s", hostParam, ownerParam, nameParam)
// get the repo from the database
repo, err := database.GetRepoSlug(repoSlug)
if err != nil {
http.NotFound(w, r)
return nil
}
// get the default branch for the repository
// if no branch is provided.
if len(branchParam) == 0 {
branchParam = repo.DefaultBranch()
}
var badge string
// get the latest commit from the database
// for the requested branch
commit, err := database.GetBranch(repo.ID, branchParam)
if err == nil {
switch {
case commit.Status == "Success" && len(successParam) == 0:
// if no success image is provided, we serve a
// badge using the shields.io service
badge = badgeSuccess
case commit.Status == "Success" && len(successParam) != 0:
// otherwise we serve the user defined success badge
badge = successParam
case commit.Status == "Failure" && len(failureParam) == 0:
// if no failure image is provided, we serve a
// badge using the shields.io service
badge = badgeFailure
case commit.Status == "Failure" && len(failureParam) != 0:
// otherwise we serve the user defined failure badge
badge = failureParam
default:
// otherwise load unknown image
badge = badgeUnknown
}
}
http.Redirect(w, r, badge, http.StatusSeeOther)
return nil
}