/
post.go
76 lines (61 loc) · 1.47 KB
/
post.go
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package services
import (
"github.com/CrowderSoup/socialboat/models"
"github.com/jinzhu/gorm"
)
// PostService a service for getting, creating, and updating posts
type PostService struct {
DB *gorm.DB
}
// NewPostService builds a new PostService
func NewPostService(db *gorm.DB) *PostService {
return &PostService{
DB: db,
}
}
// Create creates a new post in the database
func (s *PostService) Create(post *models.Post) error {
if err := s.DB.Create(post).Error; err != nil {
return err
}
return nil
}
// Update saves the post
func (s *PostService) Update(post *models.Post) error {
if err := s.DB.Save(post).Error; err != nil {
return err
}
return nil
}
// Delete delete's a post
func (s *PostService) Delete(post *models.Post) error {
if err := s.DB.Delete(post).Error; err != nil {
return err
}
return nil
}
// GetList gets a list of posts
func (s *PostService) GetList(page, limit int) ([]models.Post, error) {
if limit == 0 {
limit = 10
}
offset := 0
if page > 1 {
offset = (page - 1) * limit
}
var posts []models.Post
result := s.DB.Limit(limit).Offset(offset).Order("created_at desc").Find(&posts)
if result.Error != nil {
return nil, result.Error
}
return posts, nil
}
// GetBySlug attempts to get a post by slug
func (s *PostService) GetBySlug(slug string) (*models.Post, error) {
var post models.Post
result := s.DB.Where(&models.Post{Slug: slug}).First(&post)
if result.Error != nil {
return nil, result.Error
}
return &post, nil
}