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package core |
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import ( |
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"memnixrest/app/database" |
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"memnixrest/app/models" |
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"time" |
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"github.com/gofiber/fiber/v2" |
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) |
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// ComputeInterval function |
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func ComputeInterval(r *models.Mem) uint { |
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switch r.Repetition { |
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case 0: |
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return 1 |
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case 1, 2: |
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return 2 |
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case 3: |
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return 3 |
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default: |
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return uint(float32(r.Interval)*r.Efactor*0.75) + 1 |
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} |
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} |
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func ComputeQualitySuccess(memType int, repetition uint) uint { |
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if memType == 2 { |
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return 3 |
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} else { |
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if repetition > 3 { |
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return 5 |
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} |
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return 4 |
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} |
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} |
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func ComputeQualityFailed(memType int, repetition uint) uint { |
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if memType == 2 { |
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if repetition <= 3 { |
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return 0 |
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} |
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return 1 |
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} |
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if repetition <= 4 { |
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return 1 |
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} |
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return 2 |
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} |
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func ComputeEfactor(r *models.Mem) float32 { |
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eFactor := r.Efactor + (0.1 - (5.0-float32(r.Quality))*(0.08+(5-float32(r.Quality)))*0.02) |
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if eFactor < 1.3 { |
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return 1.3 |
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} |
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return eFactor |
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} |
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func UpdateMemDate(mem *models.Mem) { |
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db := database.DBConn |
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memDate := new(models.MemDate) |
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_ = db.Joins("Card").Joins("User").Joins("Deck").Where("mem_dates.user_id = ? AND mem_dates.card_id = ?", |
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mem.UserID, mem.CardID).First(&memDate).Error |
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memDate.NextDate = time.Now().AddDate(0, 0, int(mem.Interval)) |
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db.Save(memDate) |
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//TODO: Return error |
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} |
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// UpdateMem function |
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func UpdateMem(_ *fiber.Ctx, r *models.Mem, validation models.CardResponseValidation) { |
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//TODO: Rewrite functions |
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db := database.DBConn |
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mem := new(models.Mem) |
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mem.UserID, mem.CardID = r.UserID, r.CardID |
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var memType int |
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if r.Efactor <= 2 || r.Repetition < 2 || (r.Efactor <= 2.3 && r.Repetition < 4) { |
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memType = 2 |
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} |
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if validation.Validate { |
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mem.Interval = ComputeInterval(r) |
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mem.Repetition = r.Repetition + 1 |
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r.Quality = ComputeQualitySuccess(memType, r.Repetition) |
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} else { |
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mem.Repetition = 0 |
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mem.Interval = 0 |
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r.Quality = ComputeQualityFailed(memType, r.Repetition) |
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} |
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mem.Efactor = ComputeEfactor(r) |
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db.Save(r) |
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db.Create(mem) |
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108
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UpdateMemDate(mem) |
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} |
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memnix /
memnix-rest
