committtttt

backend/internal/models/knowledge.go

@@ -0,0 +1,85 @@
+package models
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+// KnowledgeBase represents a knowledge base entry (FAQ)
+type KnowledgeBase struct {
+	ID         uint           `json:"id" gorm:"primaryKey"`
+	Question   string         `json:"question" gorm:"not null"`
+	Answer     string         `json:"answer" gorm:"not null"`
+	Category   string         `json:"category" gorm:"not null"`
+	Tags       string         `json:"tags"`                      // Comma-separated tags
+	Priority   int            `json:"priority" gorm:"default:1"` // Higher number = higher priority
+	ViewCount  int            `json:"viewCount" gorm:"default:0"`
+	Helpful    int            `json:"helpful" gorm:"default:0"`    // Number of times marked as helpful
+	NotHelpful int            `json:"notHelpful" gorm:"default:0"` // Number of times marked as not helpful
+	Active     bool           `json:"active" gorm:"default:true"`
+	CreatedBy  uint           `json:"createdBy"`
+	UpdatedBy  uint           `json:"updatedBy"`
+	CreatedAt  time.Time      `json:"createdAt"`
+	UpdatedAt  time.Time      `json:"updatedAt"`
+	DeletedAt  gorm.DeletedAt `json:"-" gorm:"index"`
+
+	// Relationships
+	Creator User `json:"creator" gorm:"foreignKey:CreatedBy"`
+	Updater User `json:"updater" gorm:"foreignKey:UpdatedBy"`
+}
+
+// KnowledgeBaseFeedback represents user feedback on a knowledge base entry
+type KnowledgeBaseFeedback struct {
+	ID              uint      `json:"id" gorm:"primaryKey"`
+	KnowledgeBaseID uint      `json:"knowledgeBaseId" gorm:"not null"`
+	UserID          uint      `json:"userId" gorm:"not null"`
+	Helpful         bool      `json:"helpful"` // true if helpful, false if not helpful
+	Comment         string    `json:"comment"`
+	CreatedAt       time.Time `json:"createdAt"`
+
+	// Relationships
+	KnowledgeBase KnowledgeBase `json:"knowledgeBase" gorm:"foreignKey:KnowledgeBaseID"`
+	User          User          `json:"user" gorm:"foreignKey:UserID"`
+}
+
+
+// BeforeCreate is a GORM hook that validates the knowledge base entry before creation
+func (k *KnowledgeBase) BeforeCreate(tx *gorm.DB) error {
+	if k.Priority < 1 {
+		k.Priority = 1
+	}
+	return nil
+}
+
+// BeforeUpdate is a GORM hook that validates the knowledge base entry before update
+func (k *KnowledgeBase) BeforeUpdate(tx *gorm.DB) error {
+	if k.Priority < 1 {
+		k.Priority = 1
+	}
+	return nil
+}
+
+// IncrementViewCount increments the view count of a knowledge base entry
+func (k *KnowledgeBase) IncrementViewCount(tx *gorm.DB) error {
+	return tx.Model(k).UpdateColumn("view_count", gorm.Expr("view_count + ?", 1)).Error
+}
+
+// MarkHelpful marks a knowledge base entry as helpful
+func (k *KnowledgeBase) MarkHelpful(tx *gorm.DB) error {
+	return tx.Model(k).UpdateColumn("helpful", gorm.Expr("helpful + ?", 1)).Error
+}
+
+// MarkNotHelpful marks a knowledge base entry as not helpful
+func (k *KnowledgeBase) MarkNotHelpful(tx *gorm.DB) error {
+	return tx.Model(k).UpdateColumn("not_helpful", gorm.Expr("not_helpful + ?", 1)).Error
+}
+
+// GetHelpfulnessPercentage returns the helpfulness percentage
+func (k *KnowledgeBase) GetHelpfulnessPercentage() float64 {
+	total := k.Helpful + k.NotHelpful
+	if total == 0 {
+		return 0
+	}
+	return float64(k.Helpful) / float64(total) * 100
+}