Files
backend/database/article.go
2021-12-16 10:08:34 +01:00

95 lines
2.2 KiB
Go

package database
import (
"TheAdversary/schema"
"database/sql"
"fmt"
)
type ArticleQueryOptions struct {
Name bool
Title bool
Summary bool
From int64
To int64
Limit int
}
func (db *Database) GetArticleByName(name string) (*schema.Article, error) {
article := &schema.Article{}
err := db.gormDB.Table("article").Where("name = ?", name).Scan(article).Error
if article.Added == 0 {
return nil, sql.ErrNoRows
}
return article, err
}
func (db *Database) GetArticles(query string, options ArticleQueryOptions) ([]*schema.Article, error) {
request := db.gormDB.Table("article")
var where bool
if options.Name {
if where {
request.Or("name LIKE ?", fmt.Sprintf("%%%s%%", query))
} else {
request.Where("name LIKE ?", fmt.Sprintf("%%%s%%", query))
where = true
}
}
if options.Title {
if where {
request.Or("title LIKE ?", fmt.Sprintf("%%%s%%", query))
} else {
request.Where("title LIKE ?", fmt.Sprintf("%%%s%%", query))
where = true
}
}
if options.Summary {
if where {
request.Or("summary LIKE ?", fmt.Sprintf("%%%s%%", query))
} else {
request.Where("summary LIKE ?", fmt.Sprintf("%%%s%%", query))
where = true
}
}
if !(options.From == 0 || options.To == 0) {
var from, to int64
if options.From != 0 {
from = options.From
}
if options.To != 0 {
to = options.To
}
request.Where("added BETWEEN ? AND ?", from, to)
}
if options.Limit > 0 {
request.Limit(options.Limit)
}
rows, err := request.Rows()
if err != nil {
return nil, err
}
var articles []*schema.Article
for rows.Next() {
article := &schema.Article{}
if err = db.gormDB.ScanRows(rows, article); err != nil {
return nil, err
}
articles = append(articles, article)
}
return articles, nil
}
func (db *Database) AddArticle(article *schema.Article) error {
return db.gormDB.Table("article").Create(article).Error
}
func (db *Database) UpdateArticle(name string, article *schema.Article) error {
return db.gormDB.Table("article").Where("name = ?", name).Save(article).Error
}
func (db *Database) DeleteArticlesByNames(names ...string) error {
return db.gormDB.Table("article").Where("name IN (?)", names).Delete("*").Error
}