## Library: books, members and loans
<enumset name="LoanState">
<enum value="out">On loan</enum>
<enum value="returned">Returned</enum>
</enumset>

Author @Catalog order="lastName"
   firstName d / lastName d r
   country Country

Book @Catalog order="title"
   <filter name="search" label="Title or ISBN" display="primary">
   <or>
   <condition field="title" like="concat('%', search, '%')" />
   <condition field="isbn" like="concat('%', search, '%')" />
   </or>
   </filter>
   <filter name="author" property="author" display="primary" />
   title d r
   isbn ds r "ISBN"
   author Author ds r
   publishedYear integer
   copies integer r default="1"
   cover image

Member @Members order="lastName"
   firstName d r / lastName d r
   email r
   phone
   memberSince date default="now"
   <embeddedlisting name="loans" entity="Loan" subset="forMember" subsetparams="." defaultset="newForMember" defaultsetparams="." />

Loan @Loans order="loanDate desc" defaultlisting="main"
   <subset name="forMember" order="loanDate desc">
   <param name="member" entity="Member" />
   <condition field="member" value="member" />
   </subset>
   <subset name="out" order="dueDate">
   <condition field="state" value="'out'" />
   </subset>
   <defaultset name="newForMember">
   <param name="member" entity="Member" />
   <default name="member" value="member" />
   </defaultset>
   <listing name="main">
   <tab name="out" label="On loan" subset="out" displayactions="returnBook" />
   <tab name="all" label="All" />
   </listing>
   <action name="returnBook" label="Return" type="relatedentity" entity="ReturnBook" location="local" defaultset="forLoan" />
   book Book d r
   member Member d r
   loanDate date ds r default="now"
   dueDate date ds r
   state enum enumset="LoanState" default="out" fixed

ReturnBook @ transient
   <defaultset name="forLoan">
   <param name="loan" entity="Loan" />
   <default name="loan" value="loan" />
   </defaultset>
   loan Loan fixed
   returnedOn date r default="now"
   damaged boolean
   notes text displayif="damaged = 'true'"

Country @Configuration order="name"
   name d r