source: trunk/grails-app/services/SectionService.groovy @ 967

Last change on this file since 967 was 360, checked in by gav, 10 years ago

Configure cascade deletion of Site -> Section -> Asset -> SubItems.

File size: 1.7 KB
Line 
1class SectionService {
2
3    boolean transactional = false
4
5    def assetSubItemService
6    def assetService
7
8    def delete(params) {
9        Section.withTransaction { status ->
10            def result = [:]
11
12            def fail = { Map m ->
13                status.setRollbackOnly()
14                if(result.sectionInstance && m.field)
15                    result.sectionInstance.errors.rejectValue(m.field, m.code)
16                result.error = [ code: m.code, args: ["Section", params.id] ]
17                return result
18            }
19
20            result.sectionInstance = Section.get(params.id)
21
22            if(!result.sectionInstance)
23                return fail(code:"default.not.found")
24
25            if(result.sectionInstance.maintenanceActions)
26                return fail(code:"maintenanceActions.still.associated")
27
28            // Delete assets which in turn delete orphan assetSubItems.
29            def assets = new ArrayList(result.sectionInstance.assets) // avoid ConcurrentModificationException.
30            def r
31            for(asset in assets) {
32                result.sectionInstance.removeFromAssets(asset)
33                r = assetService.delete(id: asset.id)
34                if(r.error) {
35                    log.debug r.error
36                    fail(code:"section.asset.delete.failure")
37                    break
38                }
39            }
40
41            if(result.error)
42                return result
43
44            try {
45                result.sectionInstance.delete(flush:true)
46                return result //Success.
47            }
48            catch(org.springframework.dao.DataIntegrityViolationException e) {
49                return fail(code:"default.delete.failure")
50            }
51
52        } // end withTransaction
53    } // end delete()
54
55} // end class
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