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package models |
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import ( |
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"gorm.io/gorm" |
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) |
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// Mem structure |
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type Mem struct { |
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gorm.Model |
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UserID uint `json:"user_id" example:"1"` |
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User User |
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CardID uint `json:"card_id" example:"1"` |
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Card Card |
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Quality MemQuality `json:"quality" example:"0"` // [0: Blackout - 1: Error with choices - 2: Error with hints - 3: Error - 4: Good with hints - 5: Perfect] |
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Repetition uint `json:"repetition" example:"0" ` |
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Efactor float32 `json:"e_factor" example:"2.5"` |
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Interval uint `json:"interval" example:"0"` |
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} |
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type MemQuality int64 |
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const ( |
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MemQualityBlackout MemQuality = iota |
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MemQualityErrorMCQ |
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MemQualityErrorHints |
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MemQualityError |
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MemQualityGoodMCQ |
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MemQualityPerfect |
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) |
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func (mem *Mem) FillDefaultValues(userID, cardID uint) { |
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mem.UserID = userID |
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mem.CardID = cardID |
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mem.Quality = MemQualityBlackout |
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mem.Repetition = 0 |
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mem.Efactor = 2.5 |
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mem.Interval = 0 |
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} |
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func (mem *Mem) ComputeEfactor(oldEfactor float32, quality MemQuality) { |
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eFactor := oldEfactor + (0.1 - (5.0-float32(quality))*(0.08+(5-float32(quality)))*0.02) |
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if eFactor < 1.3 { |
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mem.Efactor = 1.3 |
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} else { |
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mem.Efactor = eFactor |
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} |
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} |
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func (mem *Mem) ComputeTrainingEfactor(oldEfactor float32, quality MemQuality) { |
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eFactor := oldEfactor + (0.1 - (5.0-float32(quality))*(0.08+(5-float32(quality)))*0.02) |
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computedEfactor := (oldEfactor + eFactor) / 2 |
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if computedEfactor < 1.3 { |
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mem.Efactor = 1.3 |
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} else { |
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mem.Efactor = computedEfactor |
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} |
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} |
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func (mem *Mem) GetCardType() CardType { |
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if mem.Efactor <= 2 || mem.Repetition < 2 || (mem.Efactor <= 2.3 && mem.Repetition < 4) { |
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return CardMCQ |
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} |
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return mem.Card.Type |
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} |
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func (mem *Mem) ComputeInterval(oldInterval uint, eFactor float32, repetition uint) { |
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switch repetition { |
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case 0: |
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mem.Interval = 1 |
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case 1, 2: |
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mem.Interval = 2 |
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case 3: |
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mem.Interval = 3 |
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default: |
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mem.Interval = uint(float32(oldInterval)*eFactor*0.75) + 1 |
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} |
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} |
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func (mem *Mem) ComputeQualitySuccess() { |
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if mem.GetCardType() == CardMCQ { |
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mem.Quality = MemQualityError |
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} else { |
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if mem.Repetition > 3 { |
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mem.Quality = MemQualityPerfect |
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} |
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mem.Quality = MemQualityGoodMCQ |
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} |
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} |
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func (mem *Mem) ComputeQualityFail() { |
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if mem.GetCardType() == CardMCQ { |
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if mem.Repetition <= 3 { |
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mem.Quality = MemQualityBlackout |
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} |
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mem.Quality = MemQualityErrorMCQ |
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} |
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if mem.Repetition <= 4 { |
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mem.Quality = MemQualityErrorMCQ |
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} |
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mem.Quality = MemQualityErrorHints |
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} |
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func (mem *Mem) IsMCQ() bool { |
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return mem.Efactor <= 1.4 || mem.Quality <= MemQualityErrorMCQ || mem.Repetition < 2 |
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} |
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memnix /
memnix-rest
