82 lines
1.8 KiB
Go
82 lines
1.8 KiB
Go
package service
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// 根据投准率计算投准系数
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func (s *Service) voteRightRatio(vr float64) (vf float64) {
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switch {
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case vr >= 0.9:
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vf = float64(1.2)
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case vr >= 0.8 && vr < 0.9:
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vf = float64(1.1)
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case vr >= 0.7 && vr < 0.8:
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vf = float64(0.9)
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case vr >= 0.6 && vr < 0.7:
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vf = float64(0.6)
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case vr >= 0.5 && vr < 0.6:
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vf = float64(0.3)
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case vr >= 0.4 && vr < 0.5:
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vf = float64(0.1)
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default:
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vf = float64(0)
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}
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return
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}
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// 根据活跃天数计算活跃系数
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func (s *Service) activeDaysRatio(activeDays int64) (af float64) {
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switch {
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case activeDays >= 26:
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af = float64(1.3)
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case activeDays >= 21 && activeDays <= 25:
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af = float64(1.2)
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case activeDays >= 16 && activeDays <= 20:
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af = float64(1.1)
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case activeDays >= 11 && activeDays <= 15:
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af = float64(1.0)
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case activeDays >= 6 && activeDays <= 10:
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af = float64(0.9)
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case activeDays >= 1 && activeDays <= 5:
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af = float64(0.7)
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default:
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af = float64(0)
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}
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return
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}
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// 根据观点数量计算观点数量系数
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func (s *Service) opinionNumsRatio(opinionNums int64) (of float64) {
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switch {
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case opinionNums >= 31:
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of = 1.3
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case opinionNums >= 16 && opinionNums <= 30:
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of = 1.2
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case opinionNums >= 6 && opinionNums <= 15:
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of = 1.1
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case opinionNums >= 1 && opinionNums <= 5:
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of = 1
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default:
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of = 0.8
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}
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return
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}
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// 根据观点（赞-踩）数计算观点质量系数
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func (s *Service) opinionQualityRatio(opinionQuality int64) (oqf float64) {
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switch {
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case opinionQuality >= 16:
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oqf = 1.3
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case opinionQuality >= 6 && opinionQuality <= 15:
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oqf = 1.2
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case opinionQuality >= 1 && opinionQuality <= 5:
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oqf = 1.1
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case opinionQuality == 0:
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oqf = 1
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case opinionQuality >= -10 && opinionQuality <= -1:
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oqf = 0.8
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case opinionQuality >= -20 && opinionQuality <= -11:
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oqf = 0.7
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case opinionQuality <= -21:
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oqf = 0.5
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}
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return
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}
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