first commit

internal/services/knowledge_service.go

@@ -0,0 +1,95 @@
+package services
+
+import (
+	"errors"
+
+	"gauth-central/internal/database"
+	"gauth-central/internal/models"
+
+	"github.com/google/uuid"
+	"gorm.io/gorm"
+)
+
+type KnowledgeService struct{}
+
+func NewKnowledgeService() *KnowledgeService {
+	return &KnowledgeService{}
+}
+
+func (s *KnowledgeService) GetAllKnowledges(resumeID *string, onlyActive bool) ([]models.Knowledge, error) {
+	var items []models.Knowledge
+	query := database.DB.Order("created_at desc")
+
+	if resumeID != nil {
+		query = query.Where("resume_id = ?", *resumeID)
+	}
+
+	if onlyActive {
+		query = query.Where("is_active = ?", true)
+	}
+
+	if err := query.Find(&items).Error; err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+func (s *KnowledgeService) GetKnowledgeByID(id string) (*models.Knowledge, error) {
+	var item models.Knowledge
+	if err := database.DB.Where("id = ?", id).First(&item).Error; err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return nil, errors.New("knowledge not found")
+		}
+		return nil, err
+	}
+	return &item, nil
+}
+
+func (s *KnowledgeService) CreateKnowledge(title string, resumeID *uuid.UUID, isActive bool) (*models.Knowledge, error) {
+	item := models.Knowledge{
+		Title:    title,
+		ResumeID: resumeID,
+		IsActive: isActive,
+	}
+
+	if err := database.DB.Create(&item).Error; err != nil {
+		return nil, err
+	}
+	return &item, nil
+}
+
+func (s *KnowledgeService) UpdateKnowledge(id string, title *string, resumeID *uuid.UUID, isActive *bool) (*models.Knowledge, error) {
+	item, err := s.GetKnowledgeByID(id)
+	if err != nil {
+		return nil, err
+	}
+
+	updates := map[string]interface{}{}
+	if title != nil {
+		updates["title"] = *title
+	}
+	if resumeID != nil {
+		updates["resume_id"] = *resumeID
+	}
+	if isActive != nil {
+		updates["is_active"] = *isActive
+	}
+
+	if len(updates) > 0 {
+		if err := database.DB.Model(item).Updates(updates).Error; err != nil {
+			return nil, err
+		}
+	}
+	return s.GetKnowledgeByID(id)
+}
+
+func (s *KnowledgeService) DeleteKnowledge(id string) error {
+	result := database.DB.Delete(&models.Knowledge{}, "id = ?", id)
+	if result.Error != nil {
+		return result.Error
+	}
+	if result.RowsAffected == 0 {
+		return errors.New("knowledge not found")
+	}
+	return nil
+}