-
Notifications
You must be signed in to change notification settings - Fork 12
/
sort_builder.go
90 lines (77 loc) · 2.52 KB
/
sort_builder.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
package service
import (
"github.com/openline-ai/openline-customer-os/packages/server/customer-os-api/graph/model"
"github.com/openline-ai/openline-customer-os/packages/server/customer-os-common-module/utils"
"github.com/pkg/errors"
"reflect"
"strings"
)
func buildSort(sortBy []*model.SortBy, T reflect.Type) (*utils.CypherSort, error) {
transformedSorting := new(utils.CypherSort)
if sortBy != nil {
for _, v := range sortBy {
orderBy := transformedSorting.NewSortRule(v.By, v.Direction.String(), utils.IfNotNilBool(v.CaseSensitive), T)
if !orderBy.IsValid() {
return nil, errors.New("Invalid sorting rule")
}
}
}
return transformedSorting, nil
}
type SortMultipleEntitiesDefinition struct {
EntityPrefix string
EntityMapping reflect.Type
EntityAlias string
EntityDefaults []SortMultipleEntitiesDefinitionDefault
}
type SortMultipleEntitiesDefinitionDefault struct {
PropertyName string
AscDefault string
DescDefault string
}
func buildSortMultipleEntities(sortBy []*model.SortBy, mapping []SortMultipleEntitiesDefinition) (*utils.Cypher, error) {
transformedSorting := new(utils.CypherSort)
if sortBy != nil {
for _, v := range sortBy {
entity, sort, found := strings.Cut(v.By, "_")
if !found {
continue
}
var mappingFound *SortMultipleEntitiesDefinition
for _, mapping := range mapping {
if entity == mapping.EntityPrefix {
mappingFound = &mapping
break
}
}
if mappingFound == nil {
return nil, errors.New("Entity not found in mapping")
}
orderBy := transformedSorting.NewSortRule(sort, v.Direction.String(), utils.IfNotNilBool(v.CaseSensitive), mappingFound.EntityMapping)
if !orderBy.IsValid() {
return nil, errors.New("Invalid sorting rule")
}
var defaultIfNil string
for _, value := range mappingFound.EntityDefaults {
if value.PropertyName == sort {
if v.Direction.String() == "ASC" {
defaultIfNil = value.AscDefault
} else {
defaultIfNil = value.DescDefault
}
break
}
}
var aliases []string
for _, v := range mapping {
aliases = append(aliases, v.EntityAlias)
}
//generating cypher frangment like below
//WITH c, i ORDER BY i.status DESC
//WITH c, i WITH c, i , CASE WHEN c.endedAt IS NULL THEN date('2100-01-01') ELSE c.endedAt END AS endedAt_FOR_SORTING ORDER BY endedAt_FOR_SORTING
fragment := transformedSorting.SortingCypherFragmentWithDefaultIfNil(strings.Join(aliases, ", "), mappingFound.EntityAlias, defaultIfNil)
return &fragment, nil
}
}
return nil, nil
}