coder/coderd/httpmw/templateversionparam.go

67 lines
2.0 KiB
Go

package httpmw
import (
"context"
"database/sql"
"net/http"
"github.com/go-chi/chi/v5"
"golang.org/x/xerrors"
"github.com/coder/coder/v2/coderd/database"
"github.com/coder/coder/v2/coderd/httpapi"
"github.com/coder/coder/v2/codersdk"
)
type templateVersionParamContextKey struct{}
// TemplateVersionParam returns the template version from the ExtractTemplateVersionParam handler.
func TemplateVersionParam(r *http.Request) database.TemplateVersion {
templateVersion, ok := r.Context().Value(templateVersionParamContextKey{}).(database.TemplateVersion)
if !ok {
panic("developer error: template version param middleware not provided")
}
return templateVersion
}
// ExtractTemplateVersionParam grabs template version from the "templateversion" URL parameter.
func ExtractTemplateVersionParam(db database.Store) func(http.Handler) http.Handler {
return func(next http.Handler) http.Handler {
return http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
ctx := r.Context()
templateVersionID, parsed := ParseUUIDParam(rw, r, "templateversion")
if !parsed {
return
}
templateVersion, err := db.GetTemplateVersionByID(ctx, templateVersionID)
if httpapi.Is404Error(err) {
httpapi.ResourceNotFound(rw)
return
}
if err != nil {
httpapi.Write(ctx, rw, http.StatusInternalServerError, codersdk.Response{
Message: "Internal error fetching template version.",
Detail: err.Error(),
})
return
}
template, err := db.GetTemplateByID(r.Context(), templateVersion.TemplateID.UUID)
if err != nil && !xerrors.Is(err, sql.ErrNoRows) {
httpapi.Write(ctx, rw, http.StatusInternalServerError, codersdk.Response{
Message: "Internal error fetching template.",
Detail: err.Error(),
})
return
}
ctx = context.WithValue(ctx, templateVersionParamContextKey{}, templateVersion)
chi.RouteContext(ctx).URLParams.Add("organization", templateVersion.OrganizationID.String())
ctx = context.WithValue(ctx, templateParamContextKey{}, template)
next.ServeHTTP(rw, r.WithContext(ctx))
})
}
}