github.com/pf-qiu/concourse/v6@v6.7.3-0.20201207032516-1f455d73275f/atc/api/resourceserver/get.go (about)

     1  package resourceserver
     2  
     3  import (
     4  	"encoding/json"
     5  	"net/http"
     6  
     7  	"code.cloudfoundry.org/lager"
     8  	"github.com/pf-qiu/concourse/v6/atc/api/present"
     9  	"github.com/pf-qiu/concourse/v6/atc/db"
    10  )
    11  
    12  func (s *Server) GetResource(pipeline db.Pipeline) http.Handler {
    13  	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
    14  		resourceName := r.FormValue(":resource_name")
    15  
    16  		logger := s.logger.Session("get-resource", lager.Data{
    17  			"resource": resourceName,
    18  		})
    19  
    20  		dbResource, found, err := pipeline.Resource(resourceName)
    21  		if err != nil {
    22  			logger.Error("failed-to-get-resource", err)
    23  			w.WriteHeader(http.StatusInternalServerError)
    24  			return
    25  		}
    26  
    27  		if !found {
    28  			logger.Info("resource-not-found")
    29  			w.WriteHeader(http.StatusNotFound)
    30  			return
    31  		}
    32  
    33  		resource := present.Resource(dbResource)
    34  
    35  		w.Header().Set("Content-Type", "application/json")
    36  		w.WriteHeader(http.StatusOK)
    37  
    38  		err = json.NewEncoder(w).Encode(resource)
    39  		if err != nil {
    40  			logger.Error("failed-to-encode-resource", err)
    41  			w.WriteHeader(http.StatusInternalServerError)
    42  		}
    43  	})
    44  }