homebox/backend/internal/repo/repo_locations.go
2022-09-03 01:17:48 -08:00

100 lines
2.2 KiB
Go

package repo
import (
"context"
"github.com/google/uuid"
"github.com/hay-kot/content/backend/ent"
"github.com/hay-kot/content/backend/ent/location"
"github.com/hay-kot/content/backend/internal/types"
)
type EntLocationRepository struct {
db *ent.Client
}
type LocationWithCount struct {
*ent.Location
ItemCount int `json:"itemCount"`
}
// GetALlWithCount returns all locations with item count field populated
func (r *EntLocationRepository) GetAll(ctx context.Context, groupId uuid.UUID) ([]LocationWithCount, error) {
query := `
SELECT
id,
name,
description,
created_at,
updated_at,
(
SELECT
COUNT(*)
FROM
items
WHERE
items.location_items = locations.id
) as item_count
FROM
locations
WHERE
locations.group_locations = ?
`
rows, err := r.db.Sql().QueryContext(ctx, query, groupId)
if err != nil {
return nil, err
}
list := []LocationWithCount{}
for rows.Next() {
var loc ent.Location
var ct LocationWithCount
err := rows.Scan(&loc.ID, &loc.Name, &loc.Description, &loc.CreatedAt, &loc.UpdatedAt, &ct.ItemCount)
if err != nil {
return nil, err
}
ct.Location = &loc
list = append(list, ct)
}
return list, err
}
func (r *EntLocationRepository) Get(ctx context.Context, ID uuid.UUID) (*ent.Location, error) {
return r.db.Location.Query().
Where(location.ID(ID)).
WithGroup().
WithItems(func(iq *ent.ItemQuery) {
iq.WithLabel()
}).
Only(ctx)
}
func (r *EntLocationRepository) Create(ctx context.Context, groupdId uuid.UUID, data types.LocationCreate) (*ent.Location, error) {
location, err := r.db.Location.Create().
SetName(data.Name).
SetDescription(data.Description).
SetGroupID(groupdId).
Save(ctx)
location.Edges.Group = &ent.Group{ID: groupdId} // bootstrap group ID
return location, err
}
func (r *EntLocationRepository) Update(ctx context.Context, data types.LocationUpdate) (*ent.Location, error) {
_, err := r.db.Location.UpdateOneID(data.ID).
SetName(data.Name).
SetDescription(data.Description).
Save(ctx)
if err != nil {
return nil, err
}
return r.Get(ctx, data.ID)
}
func (r *EntLocationRepository) Delete(ctx context.Context, id uuid.UUID) error {
return r.db.Location.DeleteOneID(id).Exec(ctx)
}