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meal_menu.go
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meal_menu.go
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package pg
import (
"database/sql"
"fmt"
"github.com/Digital-Voting-Team/menu-service/internal/data"
"gitlab.com/distributed_lab/kit/pgdb"
sq "github.com/Masterminds/squirrel"
"github.com/fatih/structs"
)
const mealMenusTableName = "public.meal_menus"
func NewMealMenusQ(db *pgdb.DB) data.MealMenusQ {
return &mealMenusQ{
db: db.Clone(),
sql: sq.Select("meal_menus.*").From(mealMenusTableName),
sqlUpdate: sq.Update(mealMenusTableName).Suffix("returning *"),
}
}
type mealMenusQ struct {
db *pgdb.DB
sql sq.SelectBuilder
sqlUpdate sq.UpdateBuilder
}
func (q *mealMenusQ) New() data.MealMenusQ {
return NewMealMenusQ(q.db)
}
func (q *mealMenusQ) Get() (*data.MealMenu, error) {
var result data.MealMenu
err := q.db.Get(&result, q.sql)
if err == sql.ErrNoRows {
return nil, nil
}
return &result, err
}
func (q *mealMenusQ) Select() ([]data.MealMenu, error) {
var result []data.MealMenu
err := q.db.Select(&result, q.sql)
return result, err
}
func (q *mealMenusQ) Update(mealMenu data.MealMenu) (data.MealMenu, error) {
var result data.MealMenu
clauses := structs.Map(mealMenu)
clauses["meal_id"] = mealMenu.MealId
clauses["menu_id"] = mealMenu.MenuId
err := q.db.Get(&result, q.sqlUpdate.SetMap(clauses))
return result, err
}
func (q *mealMenusQ) Transaction(fn func(q data.MealMenusQ) error) error {
return q.db.Transaction(func() error {
return fn(q)
})
}
func (q *mealMenusQ) Insert(mealMenu data.MealMenu) (data.MealMenu, error) {
clauses := structs.Map(mealMenu)
clauses["meal_id"] = mealMenu.MealId
clauses["menu_id"] = mealMenu.MenuId
var result data.MealMenu
stmt := sq.Insert(mealMenusTableName).SetMap(clauses).Suffix("returning *")
err := q.db.Get(&result, stmt)
return result, err
}
func (q *mealMenusQ) Delete(id int64) error {
stmt := sq.Delete(mealMenusTableName).Where(sq.Eq{"id": id})
err := q.db.Exec(stmt)
return err
}
func (q *mealMenusQ) Page(pageParams pgdb.OffsetPageParams) data.MealMenusQ {
q.sql = pageParams.ApplyTo(q.sql, "id")
return q
}
func (q *mealMenusQ) FilterById(ids ...int64) data.MealMenusQ {
q.sql = q.sql.Where(sq.Eq{"id": ids})
q.sqlUpdate = q.sqlUpdate.Where(sq.Eq{"id": ids})
return q
}
func (q *mealMenusQ) FilterByMealId(ids ...int64) data.MealMenusQ {
q.sql = q.sql.Where(sq.Eq{"meal_id": ids})
return q
}
func (q *mealMenusQ) FilterByMenuId(ids ...int64) data.MealMenusQ {
q.sql = q.sql.Where(sq.Eq{"menu_id": ids})
return q
}
func (q *mealMenusQ) JoinMeal() data.MealMenusQ {
stmt := fmt.Sprintf("%s as meal_menus on public.meals.id = meal_menus.meal_id",
mealMenusTableName)
q.sql = q.sql.Join(stmt)
return q
}
func (q *mealMenusQ) JoinMenu() data.MealMenusQ {
stmt := fmt.Sprintf("%s as meal_menus on public.menus.id = meal_menus.menu_id",
mealMenusTableName)
q.sql = q.sql.Join(stmt)
return q
}