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                package core  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                import (  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	"github.com/memnix/memnixrest/app/models"  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	"github.com/memnix/memnixrest/pkg/database"  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	"strings"  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                )  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                // UpdateMemSelfEvaluated computes self evaluated mem  | 
            
            
                                                                        
                            
            
                                    
            
            
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                func UpdateMemSelfEvaluated(r *models.Mem, training bool, quality uint) { | 
            
            
                                                                        
                            
            
                                    
            
            
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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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                	mem.Quality = models.MemQualityNone  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	r.Quality = models.MemQuality(quality)  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	if training { | 
            
            
                                                                        
                            
            
                                    
            
            
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                		mem.ComputeTrainingEfactor(r.Efactor, r.Quality)  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	} else { | 
            
            
                                                                        
                            
            
                                    
            
            
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                		mem.ComputeEfactor(r.Efactor, r.Quality)  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	mem.Interval, mem.Repetition = r.Interval, r.Repetition  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	db.Save(r)  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	db.Create(mem)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                // UpdateMemDate computes NextDate and set it  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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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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                	//TODO: Error handling  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	memDate.ComputeNextDate(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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                // UpdateMemTraining computes and set mem values  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                func UpdateMemTraining(r *models.Mem, validation bool) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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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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                	if validation { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		r.ComputeQualitySuccess()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	} else { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		r.ComputeQualityFail()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	mem.Quality = models.MemQualityNone  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	mem.ComputeTrainingEfactor(r.Efactor, r.Quality)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	mem.Interval, mem.Repetition = r.Interval, r.Repetition  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	db.Save(r)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	db.Create(mem)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                // UpdateMem computes and set mem values  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                func UpdateMem(r *models.Mem, validation bool) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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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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                	if validation { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		mem.ComputeInterval(r.Interval, r.Efactor, r.Repetition)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		mem.Repetition = r.Repetition + 1  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		mem.ComputeLearningStage()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		r.ComputeQualitySuccess()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	} else { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		mem.Repetition = 0  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		mem.Interval = 0  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		mem.LearningStage = models.StageToLearn  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		r.ComputeQualityFail()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	mem.Quality = models.MemQualityNone  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	mem.ComputeEfactor(r.Efactor, r.Quality)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	db.Save(r)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	db.Create(mem)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	UpdateMemDate(mem)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                func ValidateAnswer(response string, card *models.Card) bool { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	var respString, answerString string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	if card.Spaces { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		respString = strings.Join(strings.Fields(response), " ")  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		answerString = strings.Join(strings.Fields(card.Answer), " ")  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	} else { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		respString = strings.ReplaceAll(response, " ", "")  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		answerString = strings.ReplaceAll(card.Answer, " ", "")  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	if card.Case { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return strings.Compare(respString, answerString) == 0  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	return strings.EqualFold(respString, answerString)  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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