source: trunk/grails-app/domain/dbnp/studycapturing/Study.groovy @ 352

package dbnp.studycapturing

/**
 * Domain class describing the basic entity in the study capture part: the Study class.
 *
 * Revision information:
 * $Rev: 352 $
 * $Author: duh $
 * $Date: 2010-04-20 07:29:08 +0000 (di, 20 apr 2010) $
 */
class Study extends TemplateEntity implements Serializable {
        static searchable = true
        nimble.User owner
        String title
        Date dateCreated
        Date lastUpdated
        Date startDate

        // TODO: The following 4 fields should be moved into templates
        //String code
        //String researchQuestion
        //String description
        //String ecCode


        static hasMany = [
                editors: nimble.User,
                readers: nimble.User,
                subjects: Subject,
                events: Event,
                samplingEvents: SamplingEvent,
                eventGroups: EventGroup,
                samples: Sample,
                assays: Assay,
                persons: StudyPerson,
                publications: Publication
        ]

        static constraints = {
                owner(nullable: true, blank: true)
                title(nullable: false, blank: false)
                template(nullable: false, blank: false)
        }

        static mapping = {
                researchQuestion type: 'text'
                description type: 'text'
                autoTimestamp true
        }

        def String toString() {
                return title;
        }

        /**
         * Return the unique Subject templates that are used in this study
         */
        def Set<Template> giveSubjectTemplates() {
                TemplateEntity.giveTemplates(subjects);
        }


        /**
         * Returns the template of all subjects in the study
         * Throws an error if there are no or multiple subject templates
         */
        // outcommented, we shouldn't make it too easy for ourselves by introducing uncertain assumptions (1 distinct template)
        //def Template giveSubjectTemplate() {
        //      TemplateEntity.giveTemplate(subjects);
        //}

        /**
         * Returns the unique Sample templates that are used in the study
         */
        def Template giveSampleTemplates() {
                TemplateEntity.giveTemplates(samples);
        }
        /**
         * Returns the template of the study
         */
        def Template giveStudyTemplate() {
                return this.template;
        }
}