Haystack/backend/models/locations.go

131 lines
3.5 KiB
Go

package models
import (
"context"
"database/sql"
"screenmark/screenmark/.gen/haystack/haystack/model"
. "screenmark/screenmark/.gen/haystack/haystack/table"
. "github.com/go-jet/jet/v2/postgres"
"github.com/go-jet/jet/v2/qrm"
"github.com/google/uuid"
)
type LocationModel struct {
dbPool *sql.DB
}
func (m LocationModel) List(ctx context.Context, userId uuid.UUID) ([]model.Locations, error) {
listLocationsStmt := SELECT(Locations.AllColumns).
FROM(
Locations.
INNER_JOIN(UserLocations, UserLocations.LocationID.EQ(Locations.ID)),
).
WHERE(UserLocations.UserID.EQ(UUID(userId)))
locations := []model.Locations{}
err := listLocationsStmt.QueryContext(ctx, m.dbPool, &locations)
return locations, err
}
func (m LocationModel) Get(ctx context.Context, locationId uuid.UUID) (model.Locations, error) {
getLocationStmt := Locations.
SELECT(Locations.AllColumns).
WHERE(Locations.ID.EQ(UUID(locationId)))
location := model.Locations{}
err := getLocationStmt.QueryContext(ctx, m.dbPool, &location)
return location, err
}
func (m LocationModel) Update(ctx context.Context, location model.Locations) (model.Locations, error) {
existingLocation, err := m.Get(ctx, location.ID)
if err != nil {
return model.Locations{}, err
}
existingLocation.Name = location.Name
if location.Description != nil {
existingLocation.Description = location.Description
}
if location.Address != nil {
existingLocation.Address = location.Address
}
updateLocationStmt := Locations.
UPDATE(Locations.MutableColumns).
MODEL(existingLocation).
WHERE(Locations.ID.EQ(UUID(location.ID))).
RETURNING(Locations.AllColumns)
updatedLocation := model.Locations{}
err = updateLocationStmt.QueryContext(ctx, m.dbPool, &updatedLocation)
return updatedLocation, err
}
func (m LocationModel) Save(ctx context.Context, userId uuid.UUID, location model.Locations) (model.Locations, error) {
if location.ID != uuid.Nil {
return m.Update(ctx, location)
}
insertLocationStmt := Locations.
INSERT(Locations.Name, Locations.Address, Locations.Description).
VALUES(location.Name, location.Address, location.Description).
RETURNING(Locations.AllColumns)
insertedLocation := model.Locations{}
err := insertLocationStmt.QueryContext(ctx, m.dbPool, &insertedLocation)
if err != nil {
return model.Locations{}, err
}
insertUserLocationStmt := UserLocations.
INSERT(UserLocations.UserID, UserLocations.LocationID).
VALUES(userId, insertedLocation.ID)
_, err = insertUserLocationStmt.ExecContext(ctx, m.dbPool)
return insertedLocation, err
}
func (m LocationModel) SaveToImage(ctx context.Context, imageId uuid.UUID, locationId uuid.UUID) (model.ImageLocations, error) {
imageLocation := model.ImageLocations{}
checkExistingStmt := ImageLocations.
SELECT(ImageLocations.AllColumns).
WHERE(
ImageLocations.ImageID.EQ(UUID(imageId)).
AND(ImageLocations.LocationID.EQ(UUID(locationId))),
)
err := checkExistingStmt.QueryContext(ctx, m.dbPool, &imageLocation)
if err != nil && err != qrm.ErrNoRows {
// A real error
return model.ImageLocations{}, err
}
if err == nil {
// Already exists.
return imageLocation, nil
}
insertImageLocationStmt := ImageLocations.
INSERT(ImageLocations.ImageID, ImageLocations.LocationID).
VALUES(imageId, locationId).
RETURNING(ImageLocations.AllColumns)
err = insertImageLocationStmt.QueryContext(ctx, m.dbPool, &imageLocation)
return imageLocation, err
}
func NewLocationModel(db *sql.DB) LocationModel {
return LocationModel{dbPool: db}
}