Ejemplo n.º 1
0
func runDigitalObjectCmd(api *cait.ArchivesSpaceAPI, cmd *command) (string, error) {
	if err := api.Login(); err != nil {
		return "", err
	}
	obj := new(cait.DigitalObject)
	if cmd.Payload != "" {
		err := json.Unmarshal([]byte(cmd.Payload), &obj)
		if err != nil {
			return "", fmt.Errorf("Could not decode %s, error: %s", cmd.Payload, err)
		}
	}
	objID := cait.URIToID(obj.URI)
	repoID := cait.URIToRepoID(obj.URI)
	if repoID == 0 {
		return "", fmt.Errorf(`Can't determine repository ID from uri, e.g. {"uri":"/repositories/2/digital_objects"} or {"uri":"/repositories/2/digital_objects/3"}`)
	}
	switch cmd.Action {
	case "create":
		response, err := api.CreateDigitalObject(repoID, obj)
		if err != nil {
			return "", fmt.Errorf("Create digital_object fialed %s, %s", obj.URI, err)
		}
		if response.Status != "Created" {
			return "", fmt.Errorf("Create digital_object status %s, %s", obj.URI, response)
		}
		src, err := json.Marshal(response)
		if err != nil {
			return "", fmt.Errorf("Create digital object response %s, %s", obj.URI, err)
		}
		return string(src), nil
	case "list":
		if objID == 0 {
			objs, err := api.ListDigitalObjects(repoID)
			if err != nil {
				return "", fmt.Errorf(`{"error": %q, "uri": "/repositories/%d/digital_objects"}`, err, repoID)
			}
			src, err := json.Marshal(objs)
			if err != nil {
				return "", fmt.Errorf(`{"error": "Cannot JSON encode %s %s"}`, cmd.Payload, err)
			}
			return string(src), nil
		}
		obj, err := api.GetDigitalObject(repoID, objID)
		if err != nil {
			return "", fmt.Errorf(`{"error": %q}`, err)
		}
		src, err := json.Marshal(obj)
		if err != nil {
			return "", fmt.Errorf(`{"error": "Cannot find %s %s"}`, cmd.Payload, err)
		}
		return string(src), nil
	case "update":
		responseMsg, err := api.UpdateDigitalObject(obj)
		if err != nil {
			return "", err
		}
		src, err := json.Marshal(responseMsg)
		return string(src), err
	case "delete":
		obj, err := api.GetDigitalObject(repoID, objID)
		if err != nil {
			return "", err
		}
		responseMsg, err := api.DeleteDigitalObject(obj)
		if err != nil {
			return "", err
		}
		src, err := json.Marshal(responseMsg)
		return string(src), err
	case "export":
		err := api.ExportDigitalObjects(repoID)
		if err != nil {
			return "", fmt.Errorf("Exporting repositories/%d/digital_objects, %s", repoID, err)
		}
		return `{"status": "ok"}`, nil
	}
	return "", fmt.Errorf("runDigitalObjectCmd() action %s not implemented for %s", cmd.Action, cmd.Subject)
}