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🎨 Add Rollup column to database table view https://github.com/siyuan-note/siyuan/issues/9958

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Daniel 2023-12-30 23:34:53 +08:00
parent 454d3d0b93
commit 59599472ba
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GPG key ID: 86211BA83DF03017
2 changed files with 147 additions and 131 deletions
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130
kernel/av/value.go
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@ -19,6 +19,7 @@ package av
import (
"fmt"
"math"
"sort"
"strconv"
"strings"
"time"
@ -469,3 +470,132 @@ type ValueRelation struct {
type ValueRollup struct {
Contents []string `json:"contents"`
}
func (r *ValueRollup) RenderContents(calc *RollupCalc) {
if nil == calc {
return
}
switch calc.Operator {
case CalcOperatorNone:
case CalcOperatorCountAll:
r.Contents = []string{strconv.Itoa(len(r.Contents))}
case CalcOperatorCountValues:
r.Contents = []string{strconv.Itoa(len(r.Contents))}
case CalcOperatorCountUniqueValues:
countUniqueValues := 0
uniqueValues := map[string]bool{}
for _, v := range r.Contents {
if !uniqueValues[v] {
uniqueValues[v] = true
countUniqueValues++
}
}
r.Contents = []string{strconv.Itoa(countUniqueValues)}
case CalcOperatorCountEmpty:
countEmpty := 0
for _, v := range r.Contents {
if "" == v {
countEmpty++
}
}
r.Contents = []string{strconv.Itoa(countEmpty)}
case CalcOperatorCountNotEmpty:
countNonEmpty := 0
for _, v := range r.Contents {
if "" != v {
countNonEmpty++
}
}
r.Contents = []string{strconv.Itoa(countNonEmpty)}
case CalcOperatorPercentEmpty:
countEmpty := 0
for _, v := range r.Contents {
if "" == v {
countEmpty++
}
}
r.Contents = []string{strconv.Itoa(countEmpty*100/len(r.Contents)) + "%"}
case CalcOperatorPercentNotEmpty:
countNonEmpty := 0
for _, v := range r.Contents {
if "" != v {
countNonEmpty++
}
}
r.Contents = []string{strconv.Itoa(countNonEmpty*100/len(r.Contents)) + "%"}
case CalcOperatorSum:
sum := 0.0
for _, v := range r.Contents {
if "" != v {
n, _ := strconv.ParseFloat(v, 64)
sum += n
}
}
r.Contents = []string{strconv.FormatFloat(sum, 'f', -1, 64)}
case CalcOperatorAverage:
sum := 0.0
count := 0
for _, v := range r.Contents {
if "" != v {
n, _ := strconv.ParseFloat(v, 64)
sum += n
count++
}
}
r.Contents = []string{strconv.FormatFloat(sum/float64(count), 'f', -1, 64)}
case CalcOperatorMedian:
numbers := []float64{}
for _, v := range r.Contents {
if "" != v {
n, _ := strconv.ParseFloat(v, 64)
numbers = append(numbers, n)
}
}
sort.Float64s(numbers)
if 0 < len(numbers) {
if 0 == len(numbers)%2 {
r.Contents = []string{strconv.FormatFloat((numbers[len(numbers)/2-1]+numbers[len(numbers)/2])/2, 'f', -1, 64)}
} else {
r.Contents = []string{strconv.FormatFloat(numbers[len(numbers)/2], 'f', -1, 64)}
}
}
case CalcOperatorMin:
min := math.MaxFloat64
for _, v := range r.Contents {
if "" != v {
n, _ := strconv.ParseFloat(v, 64)
if n < min {
min = n
}
}
}
r.Contents = []string{strconv.FormatFloat(min, 'f', -1, 64)}
case CalcOperatorMax:
max := -math.MaxFloat64
for _, v := range r.Contents {
if "" != v {
n, _ := strconv.ParseFloat(v, 64)
if n > max {
max = n
}
}
}
r.Contents = []string{strconv.FormatFloat(max, 'f', -1, 64)}
case CalcOperatorRange:
min := math.MaxFloat64
max := -math.MaxFloat64
for _, v := range r.Contents {
if "" != v {
n, _ := strconv.ParseFloat(v, 64)
if n < min {
min = n
}
if n > max {
max = n
}
}
}
r.Contents = []string{strconv.FormatFloat(max-min, 'f', -1, 64)}
}
}