-
Notifications
You must be signed in to change notification settings - Fork 11
/
event_filter.go
111 lines (96 loc) · 2.35 KB
/
event_filter.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
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
package eventio
import (
"fmt"
"time"
)
type EventFilter struct {
RangeStart string
RangeStop string
OrgGUIDs []string
}
func (filter *EventFilter) SplitByMonth() ([]EventFilter, error) {
dateFormat := "2006-01-02"
start, err := time.Parse(dateFormat, filter.RangeStart)
if err != nil {
return nil, err
}
end, err := time.Parse(dateFormat, filter.RangeStop)
if err != nil {
return nil, err
}
return filter.recursiveSplitByMonth(start, end), nil
}
func (filter *EventFilter) recursiveSplitByMonth(t1, t2 time.Time) []EventFilter {
dateFormat := "2006-01-02"
if !t1.Before(t2) {
return []EventFilter{}
} else {
next := truncateMonth(t1.AddDate(0, 1, 0))
return append(
[]EventFilter{
{
RangeStart: t1.Format(dateFormat),
RangeStop: minDate(t2, next).Format(dateFormat),
OrgGUIDs: filter.OrgGUIDs,
},
},
filter.recursiveSplitByMonth(next, t2)...,
)
}
}
func truncateMonth(t time.Time) time.Time {
return time.Date(t.Year(), t.Month(), 1, 0, 0, 0, 0, t.Location())
}
func minDate(t1 time.Time, t2 time.Time) time.Time {
if t1.Before(t2) {
return t1
} else {
return t2
}
}
func (filter *EventFilter) TruncateMonth() (EventFilter, error) {
start, err := time.Parse("2006-01-02", filter.RangeStart)
if err != nil {
return *filter, err
}
stop, err := time.Parse("2006-01-02", filter.RangeStop)
if err != nil {
return *filter, err
}
return EventFilter{
RangeStart: truncateMonth(start).Format("2006-01-02"),
RangeStop: truncateMonth(stop).Format("2006-01-02"),
OrgGUIDs: filter.OrgGUIDs,
}, nil
}
func (filter *EventFilter) Validate() error {
if err := validateDateString("start", filter.RangeStart); err != nil {
return err
}
if err := validateDateString("end", filter.RangeStop); err != nil {
return err
}
return nil
}
type TimeRangeFilter struct {
RangeStart string
RangeStop string
}
func (filter *TimeRangeFilter) Validate() error {
if err := validateDateString("start", filter.RangeStart); err != nil {
return err
}
if err := validateDateString("end", filter.RangeStop); err != nil {
return err
}
return nil
}
func validateDateString(name string, value string) error {
if _, err := time.Parse("2006-01-02", value); err != nil {
return fmt.Errorf(
`a valid range %s filter value is required - expected format 2006-01-02 - got %s`,
name, value,
)
}
return nil
}