65 lines
2.1 KiB
Go
65 lines
2.1 KiB
Go
package goodcalc
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// Theme is the basic element of the matrix.
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// No defines the id of the excel balance.
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// A1 for Human dignity in the supply chain
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type Theme struct {
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No string `json:"no"`
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Weight float32 `json:"weight"`
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Aspects []Aspect `json:"aspects"`
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NegativeAspects []NegativeAspect `json:"negative_aspects"`
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NegPointsFactor int `json:"neg_points_factor"`
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Calc *ThemeCalc `json:"calculation"`
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}
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func (t *Theme) calcNrPosAspects() {
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t.Calc.NrPositiveAspects = len(t.Aspects)
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}
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func (t *Theme) calcValPoints() {
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t.Calc.ValuationPoints = 0
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for _, a := range t.Aspects {
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t.Calc.ValuationPoints += a.ValuationPoints * int(a.Weight)
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}
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for _, na := range t.NegativeAspects {
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t.Calc.NegativeValuationPoints +=
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na.ValuationPoints * int(na.Weight)
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}
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}
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func (t *Theme) calcEstPercentage() {
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t.Calc.EstPercentage = 0
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if t.Calc.MaxValuationPoints != 0 {
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t.Calc.EstPercentage =
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float32(t.Calc.ValuationPoints / t.Calc.MaxValuationPoints)
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}
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}
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func (t *Theme) calcBalancePoints() {
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t.Calc.BalancePoints =
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t.Calc.EstPercentage * t.Calc.MaxBalancePoints
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t.Calc.NegativeBlancePoints =
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float32(t.Calc.NegativeValuationPoints) * t.Calc.MaxBalancePoints / float32(t.NegPointsFactor)
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}
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// ThemeCalc contains the different calculation
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// steps.
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type ThemeCalc struct {
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CalcWeight float32 `json:"calc_weight"`
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WeightFactor float32 `json:"weight_factor"`
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MaxBalancePoints float32 `json:"max_points"`
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NrPositiveAspects int `json:"nr_positive_aspects"`
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ValuationPoints int `json:"valuation_points"`
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MaxValuationPoints int `json:"max_valuation_points"`
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EstPercentage float32 `json:"est_percentage"`
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BalancePoints float32 `json:"balance_points"`
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NegativeValuationPoints int `json:"negative_valuation_points"`
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NegativeBlancePoints float32 `json:"negative_blance_points"`
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}
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// calcMaxPoints
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// Stakeholder.calcWeight needs to run first
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func (c *ThemeCalc) calcMaxPoints() {
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c.MaxBalancePoints = c.CalcWeight * c.WeightFactor
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}
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