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workspaceresourceparam.go
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80 lines (72 loc) · 2.5 KB
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package httpmw
import (
"context"
"database/sql"
"errors"
"net/http"
"github.com/go-chi/chi/v5"
"github.com/coder/coder/v2/coderd/database"
"github.com/coder/coder/v2/coderd/httpapi"
"github.com/coder/coder/v2/codersdk"
)
type workspaceResourceParamContextKey struct{}
// ProvisionerJobParam returns the template from the ExtractTemplateParam handler.
func WorkspaceResourceParam(r *http.Request) database.WorkspaceResource {
resource, ok := r.Context().Value(workspaceResourceParamContextKey{}).(database.WorkspaceResource)
if !ok {
panic("developer error: workspace resource param middleware not provided")
}
return resource
}
// ExtractWorkspaceResourceParam grabs a workspace resource from the "provisionerjob" URL parameter.
func ExtractWorkspaceResourceParam(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()
resourceUUID, parsed := ParseUUIDParam(rw, r, "workspaceresource")
if !parsed {
return
}
resource, err := db.GetWorkspaceResourceByID(ctx, resourceUUID)
if errors.Is(err, sql.ErrNoRows) {
httpapi.Write(ctx, rw, http.StatusNotFound, codersdk.Response{
Message: "Resource doesn't exist with that id.",
})
return
}
if err != nil {
httpapi.Write(ctx, rw, http.StatusInternalServerError, codersdk.Response{
Message: "Internal error fetching provisioner resource.",
Detail: err.Error(),
})
return
}
job, err := db.GetProvisionerJobByID(ctx, resource.JobID)
if err != nil {
httpapi.Write(ctx, rw, http.StatusInternalServerError, codersdk.Response{
Message: "Internal error provisioner job.",
Detail: err.Error(),
})
return
}
if job.Type != database.ProvisionerJobTypeWorkspaceBuild {
httpapi.Write(ctx, rw, http.StatusBadRequest, codersdk.Response{
Message: "Workspace resources can only be fetched for builds.",
})
return
}
build, err := db.GetWorkspaceBuildByJobID(ctx, job.ID)
if err != nil {
httpapi.Write(ctx, rw, http.StatusInternalServerError, codersdk.Response{
Message: "Internal error workspace build.",
Detail: err.Error(),
})
return
}
ctx = context.WithValue(ctx, workspaceResourceParamContextKey{}, resource)
ctx = context.WithValue(ctx, workspaceBuildParamContextKey{}, build)
chi.RouteContext(ctx).URLParams.Add("workspace", build.WorkspaceID.String())
next.ServeHTTP(rw, r.WithContext(ctx))
})
}
}