solidarity-service/storage/postgresql.go

559 lines
19 KiB
Go

package storage
import (
"database/sql"
"encoding/json"
"errors"
"fmt"
"github.com/google/uuid"
_ "github.com/lib/pq"
"github.com/paulmach/orb"
"github.com/paulmach/orb/geojson"
"github.com/rs/zerolog/log"
"github.com/spf13/viper"
"solidarity-service/internal"
"solidarity-service/utils"
"strconv"
"strings"
"time"
)
type PostgresqlStorage struct {
DbConnection *sql.DB
Schema string
Tables map[string]string
}
func NewPostgresqlStorage(cfg *viper.Viper) (PostgresqlStorage, error) {
var (
host = cfg.GetString("storage.db.psql.host")
port = cfg.GetString("storage.db.psql.port")
user = cfg.GetString("storage.db.psql.user")
password = cfg.GetString("storage.db.psql.password")
dbname = cfg.GetString("storage.db.psql.dbname")
sslmode = cfg.GetString("storage.db.psql.sslmode")
pg_schema = cfg.GetString("storage.db.psql.schema")
pgtables_drivers = cfg.GetString("storage.db.psql.tables.drivers")
pgtables_passengers = cfg.GetString("storage.db.psql.tables.passengers")
pgtables_bookings = cfg.GetString("storage.db.psql.tables.bookings")
)
portInt, _ := strconv.Atoi(port)
psqlconn := fmt.Sprintf("host=%s port=%d user=%s password=%s dbname=%s sslmode=%s", host, portInt, user, password, dbname, sslmode)
db, err := sql.Open("postgres", psqlconn)
if err != nil {
log.Error().Err(err).Msg("opening connection to postgresql failed")
return PostgresqlStorage{}, fmt.Errorf("connection to postgresql failed")
}
err = db.Ping()
if err != nil {
log.Error().Err(err).Msg("ping to postgresql failed")
return PostgresqlStorage{}, fmt.Errorf("connection to postgresql database failed")
}
return PostgresqlStorage{
DbConnection: db,
Schema: pg_schema,
Tables: map[string]string{
"drivers": fmt.Sprintf("%s.%s", pg_schema, pgtables_drivers),
"bookings": fmt.Sprintf("%s.%s", pg_schema, pgtables_bookings),
"passengers": fmt.Sprintf("%s.%s", pg_schema, pgtables_passengers),
},
}, nil
}
func (s PostgresqlStorage) CreatePassenger(passenger internal.Passenger) (err error) {
_, err = uuid.Parse(passenger.Passenger.ID)
if err != nil {
log.Error().Err(err).Msg("Postgresql Storage CreatePassenger invalid ID")
return err
}
if passenger.Passenger_pickup_date == 0 {
errMsg := "Postgresql Storage CreatePassenger empty UNIX pickup Date timestamp"
log.Error().Err(err).Msg(errMsg)
return errors.New(errMsg)
}
if passenger.Passenger.Alias == "" || passenger.Passenger.Operator == "" {
errMsg := "Postgresql Storage CreatePassenger empty alias or operator FQDN."
log.Error().Msg(errMsg)
return errors.New(errMsg)
}
preferencesJSON, err := json.Marshal(passenger.Preferences)
if err != nil {
errMsg := "Postgresql Storage CreatePassenger Error encoding Preferences to JSON"
log.Error().Err(err).Msg(errMsg)
return errors.New(errMsg)
}
departureJSON, err := json.Marshal(passenger.Passenger_departure_address)
if err != nil {
errMsg := "Postgresql Storage CreatePassenger Error encoding departure Feature to JSON"
log.Error().Err(err).Msg(errMsg)
return errors.New(errMsg)
}
destinationJSON, err := json.Marshal(passenger.Passenger_destination_address)
if err != nil {
errMsg := "Postgresql Storage CreatePassenger Error converting destination Feature to JSON"
log.Error().Err(err).Msg(errMsg)
return errors.New(errMsg)
}
_, err = s.DbConnection.Exec(fmt.Sprintf("INSERT INTO %s (passenger_id, passenger_departure_route, passenger_destination_route, alias, last_name, first_name, grade, picture, verified_identity, operator, preferences, passenger_pickup_date) VALUES ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11,$12)", s.Tables["passengers"]),
passenger.Passenger.ID,
departureJSON,
destinationJSON,
passenger.Passenger.Alias,
passenger.Passenger.LastName,
passenger.Passenger.FirstName,
passenger.Passenger.Grade,
passenger.Passenger.Picture,
passenger.Passenger.VerifiedIdentity,
passenger.Passenger.Operator,
preferencesJSON,
passenger.Passenger_pickup_date)
if err != nil {
errMsg := "Postgresql Storage CreatePassenger Error inserting data into the database"
log.Error().Err(err).Msg(errMsg)
return errors.New(errMsg)
}
return nil
}
func (s PostgresqlStorage) GetPassenger(passengerID string) (passenger internal.Passenger, err error) {
var preferencesJSON []byte
var departure_address []byte
var destination_address []byte
err = s.DbConnection.QueryRow(fmt.Sprintf("SELECT passenger_departure_route, passenger_destination_route, alias, last_name, first_name, grade, picture, verified_identity, operator, preferences, passenger_pickup_date , passenger_id FROM %s WHERE passenger_id = $1", s.Tables["passengers"]), passengerID).
Scan(
&departure_address,
&destination_address,
&passenger.Passenger.Alias,
&passenger.Passenger.LastName,
&passenger.Passenger.FirstName,
&passenger.Passenger.Grade,
&passenger.Passenger.Picture,
&passenger.Passenger.VerifiedIdentity,
&passenger.Passenger.Operator,
&preferencesJSON,
&passenger.Passenger_pickup_date,
&passenger.Passenger.ID,
)
if err != nil {
fmt.Println(err)
errMsg := "Postgresql Storage GetPassenger Error querying data from the database"
log.Error().Err(err).Msg(errMsg)
return passenger, errors.New(errMsg)
}
err = json.Unmarshal(preferencesJSON, &passenger.Preferences)
if err != nil {
errMsg := "Postgresql Storage GetPassenger Error decoding Preferences from JSON"
log.Error().Err(err).Msg(errMsg)
return passenger, errors.New(errMsg)
}
passenger.Passenger_destination_address, err = geojson.UnmarshalFeature(destination_address)
if err != nil {
errMsg := "Postgresql Storage GetPassenger Error decoding Passenger destination route into GeoJSON"
log.Error().Err(err).Msg(errMsg)
return passenger, errors.New(errMsg)
}
passenger.Passenger_departure_address, err = geojson.UnmarshalFeature(departure_address)
if err != nil {
errMsg := "Postgresql Storage GetPassenger Error decoding Passenger departure route into GeoJSON"
log.Error().Err(err).Msg(errMsg)
return passenger, errors.New(errMsg)
}
return passenger, nil
}
func (s PostgresqlStorage) CreateDriver(driver internal.Driver) (err error) {
var availabilities []byte
_, err = uuid.Parse(driver.Driver.ID)
if err != nil {
log.Error().Err(err).Msg("Postgresql Storage CreateDriver invalid ID")
return err
}
departureJSON, err := json.Marshal(driver.Driver_departure_address)
if err != nil {
errMsg := "Postgresql Storage CreateDriver Error encoding departure Feature to JSON"
log.Error().Err(err).Msg(errMsg)
return errors.New(errMsg)
}
preferencesJSON, err := json.Marshal(driver.Preferences)
if err != nil {
errMsg := "Postgresql Storage CreateDriver Error encoding Preferences to JSON"
log.Error().Err(err).Msg(errMsg)
return errors.New(errMsg)
}
carJSON, err := json.Marshal(driver.Car)
if err != nil {
errMsg := "Postgresql Storage CreateDriver Error encoding Car to JSON"
log.Error().Err(err).Msg(errMsg)
return errors.New(errMsg)
}
if driver.Driver.Alias == "" || driver.Driver.Operator == "" {
errMsg := "Postgresql Storage CreateDriver empty alias or operator FQDN."
log.Error().Msg(errMsg)
return errors.New(errMsg)
}
if driver.AvailabilitiesType != internal.Punctual && driver.AvailabilitiesType != internal.Regular {
errMsg := "Postgresql Storage CreateDriver invalid Availabilities Type"
log.Error().Msg(errMsg)
return errors.New(errMsg)
}
if driver.Radius == 0 {
errMsg := "Postgresql Storage CreateDriver Radius has to be defined"
log.Error().Msg(errMsg)
return errors.New(errMsg)
}
switch driver.AvailabilitiesType {
case internal.Punctual:
availabilities, err = json.Marshal(driver.PunctualAvailabilities)
if err != nil {
errMsg := "Postgresql Storage CreateDriver error converting Punctual availabilities"
log.Error().Msg(errMsg)
return errors.New(errMsg)
}
case internal.Regular:
availabilities, err = json.Marshal(driver.RegularAvailabilities)
if err != nil {
errMsg := "Postgresql Storage CreateDriver error converting Regular availabilities"
log.Error().Msg(errMsg)
return errors.New(errMsg)
}
}
_, err = s.DbConnection.Exec(fmt.Sprintf("INSERT INTO %s (driver_id,driver_departure_route,driver_radius,last_name,first_name,grade,alias,picture,verified_identity,preferences,availabilities_type,availabilities,operator , car) VALUES ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11,$12,$13,$14)", s.Tables["drivers"]),
driver.Driver.ID,
departureJSON,
driver.Radius,
driver.Driver.LastName,
driver.Driver.FirstName,
driver.Driver.Grade,
driver.Driver.Alias,
driver.Driver.Picture,
driver.Driver.VerifiedIdentity,
preferencesJSON,
driver.AvailabilitiesType,
string(availabilities),
driver.Driver.Operator,
carJSON,
)
if err != nil {
fmt.Println(err)
errMsg := "Postgresql Storage CreateDriver Error inserting data into the database"
log.Error().Err(err).Msg(errMsg)
return errors.New(errMsg)
}
return nil
}
func (s PostgresqlStorage) GetDriver(driverID string) (driver internal.Driver, err error) {
var preferencesJSON []byte
var departureAddress []byte
var availabilitiesJSON []byte
var carJSON []byte
err = s.DbConnection.QueryRow(fmt.Sprintf("SELECT driver_departure_route, driver_radius, last_name, first_name, grade, alias, picture, verified_identity, preferences, availabilities_type, availabilities, operator , driver_id , car FROM %s WHERE driver_id = $1", s.Tables["drivers"]), driverID).
Scan(
&departureAddress,
&driver.Radius,
&driver.Driver.LastName,
&driver.Driver.FirstName,
&driver.Driver.Grade,
&driver.Driver.Alias,
&driver.Driver.Picture,
&driver.Driver.VerifiedIdentity,
&preferencesJSON,
&driver.AvailabilitiesType,
&availabilitiesJSON,
&driver.Driver.Operator,
&driver.Driver.ID,
&carJSON,
)
if err != nil {
errMsg := "Postgresql Storage GetDriver Error querying data from the database"
log.Error().Err(err).Msg(errMsg)
return driver, errors.New(errMsg)
}
err = json.Unmarshal(preferencesJSON, &driver.Preferences)
if err != nil {
errMsg := "Postgresql Storage GetDriver Error decoding Preferences from JSON"
log.Error().Err(err).Msg(errMsg)
return driver, errors.New(errMsg)
}
err = json.Unmarshal(carJSON, &driver.Car)
if err != nil {
errMsg := "Postgresql Storage GetDriver Error decoding Car from JSON"
log.Error().Err(err).Msg(errMsg)
return driver, errors.New(errMsg)
}
driver.Driver_departure_address, err = geojson.UnmarshalFeature(departureAddress)
if err != nil {
errMsg := "Postgresql Storage GetDriver Error decoding Driver departure route into GeoJSON"
log.Error().Err(err).Msg(errMsg)
return driver, errors.New(errMsg)
}
switch driver.AvailabilitiesType {
case internal.Regular:
err = json.Unmarshal(availabilitiesJSON, &driver.RegularAvailabilities)
if err != nil {
errMsg := "Postgresql Storage GetDriver Error decoding Regular Availabilities from JSON"
log.Error().Err(err).Msg(errMsg)
return driver, errors.New(errMsg)
}
case internal.Punctual:
err = json.Unmarshal(availabilitiesJSON, &driver.PunctualAvailabilities)
if err != nil {
errMsg := "Postgresql Storage GetDriver Error decoding Punctual Availabilities from JSON"
log.Error().Err(err).Msg(errMsg)
return driver, errors.New(errMsg)
}
default:
errMsg := "Postgresql Storage GetDriver Invalid Availabilities Type"
log.Error().Msg(errMsg)
return driver, errors.New(errMsg)
}
return driver, nil
}
func (s PostgresqlStorage) CreateBooking(booking internal.BookingRequest) (err error) {
_, err = uuid.Parse(booking.Driver_id)
if err != nil {
log.Error().Err(err).Msg("Postgresql Storage CreateBooking invalid Driver ID")
return err
}
_, err = uuid.Parse(booking.Passenger_id)
if err != nil {
log.Error().Err(err).Msg("Postgresql Storage CreateBooking invalid Passenger ID")
return err
}
_, err = uuid.Parse(booking.ID)
if err != nil {
log.Error().Err(err).Msg("Postgresql Storage CreateBooking invalid Booking ID")
return err
}
if booking.Operator == "" {
log.Error().Err(err).Msg("Postgresql Storage CreateBooking empty operator")
return err
}
_, err = s.DbConnection.Exec(fmt.Sprintf("INSERT INTO %s (booking_id , passenger_id , driver_id , operator, booking_status) VALUES ($1,$2,$3,$4,$5)", s.Tables["bookings"]),
booking.ID,
booking.Passenger_id,
booking.Driver_id,
booking.Operator,
booking.Status,
)
if err != nil {
errMsg := "Postgresql Storage CreateBooking Error inserting data into the database"
log.Error().Err(err).Msg(errMsg)
return errors.New(errMsg)
}
return nil
}
func (s PostgresqlStorage) GetBooking(id string) (booking internal.Booking, err error) {
err = s.DbConnection.QueryRow(fmt.Sprintf("SELECT booking_id , passenger_id , driver_id , booking_status FROM %s WHERE booking_id = $1", s.Tables["bookings"]), id).
Scan(
&booking.ID,
&booking.Passenger.ID,
&booking.Driver.ID,
&booking.Status,
)
fmt.Println(err)
if err != nil {
errMsg := "Postgresql Storage GetBooking Error getting booking"
log.Error().Err(err).Msg(errMsg)
return booking, errors.New(errMsg + err.Error())
}
passenger, err := s.GetPassenger(booking.Passenger.ID)
if err != nil {
errMsg := "Postgresql Storage GetBooking Error getting passenger"
log.Error().Err(err).Msg(errMsg)
return booking, errors.New(errMsg + err.Error())
}
booking.Passenger = passenger.Passenger
booking.PassengerPickupAddress = passenger.Passenger_departure_address
booking.PassengerDropAddress = passenger.Passenger_destination_address
driver, err := s.GetDriver(booking.Driver.ID)
if err != nil {
errMsg := "Postgresql Storage GetBooking Error getting driver"
log.Error().Err(err).Msg(errMsg)
return booking, errors.New(errMsg + err.Error())
}
booking.Driver = driver.Driver
return booking, nil
}
func (s PostgresqlStorage) UpdateBookingStatus(id string, status internal.BookingStatus) (err error) {
_, err = uuid.Parse(id)
if err != nil {
log.Error().Err(err).Msg("Postgresql Storage UpdateBookingStatus invalid Booking ID")
return err
}
_, err = s.GetBooking(id)
if err != nil {
return errors.New(err.Error())
}
query := fmt.Sprintf("UPDATE %s SET booking_status = $1 WHERE booking_id = $2", s.Tables["bookings"])
_, err = s.DbConnection.Exec(query, status, id)
if err != nil {
errMsg := "Postgresql Storage UpdateBookingStatus Error updating booking status"
log.Error().Err(err).Msg(errMsg)
return errors.New(errMsg)
}
return nil
}
func (s PostgresqlStorage) FilterUserBookingsByStatus(user_type string, status internal.BookingStatus, user_id string) (bookings []internal.Booking, err error) {
_, err = uuid.Parse(user_id)
if err != nil {
return nil, errors.New("invalid uuid")
}
if user_type != "driver" && user_type != "passenger" {
return nil, errors.New("invalid user type")
}
switch user_type {
case "driver":
rows, err := s.DbConnection.Query(fmt.Sprintf("SELECT booking_id, passenger_id, driver_id, booking_status FROM %s WHERE driver_id = $1 AND booking_status = $2", s.Tables["bookings"]),
user_id, status)
if err != nil {
return nil, err
}
defer rows.Close()
for rows.Next() {
var booking internal.Booking
if err := rows.Scan(&booking.ID, &booking.Passenger.ID, &booking.Driver.ID, &booking.Status); err != nil {
return nil, err
}
bookings = append(bookings, booking)
}
if err := rows.Err(); err != nil {
return nil, err
}
case "passenger":
rows, err := s.DbConnection.Query(fmt.Sprintf("SELECT booking_id, passenger_id, driver_id, booking_status FROM %s WHERE passenger_id = $1 AND booking_status = $2", s.Tables["bookings"]),
user_id, status)
if err != nil {
return nil, err
}
defer rows.Close()
for rows.Next() {
var booking internal.Booking
if err := rows.Scan(&booking.ID, &booking.Passenger.ID, &booking.Driver.ID, &booking.Status); err != nil {
return nil, err
}
bookings = append(bookings, booking)
}
if err := rows.Err(); err != nil {
return nil, err
}
}
return bookings, nil
}
func (s PostgresqlStorage) GetAllDrivers(date int64) (drivers []internal.Driver, err error) {
rows, err := s.DbConnection.Query(fmt.Sprintf("SELECT driver_id, driver_departure_route, driver_radius, last_name, first_name, grade, alias, picture, verified_identity, preferences, availabilities_type, availabilities, operator, car FROM %s", s.Tables["drivers"]))
if err != nil {
return nil, err
}
defer rows.Close()
for rows.Next() {
var driver internal.Driver
var departureRoute []byte
var preferencesJSON []byte
var availabilitiesJSON []byte
var carJSON []byte
if err := rows.Scan(
&driver.Driver.ID,
&departureRoute,
&driver.Radius,
&driver.Driver.LastName,
&driver.Driver.FirstName,
&driver.Driver.Grade,
&driver.Driver.Alias,
&driver.Driver.Picture,
&driver.Driver.VerifiedIdentity,
&preferencesJSON,
&driver.AvailabilitiesType,
&availabilitiesJSON,
&driver.Driver.Operator,
&carJSON,
); err != nil {
return nil, err
}
if err := json.Unmarshal(departureRoute, &driver.Driver_departure_address); err != nil {
return nil, err
}
if err := json.Unmarshal(preferencesJSON, &driver.Preferences); err != nil {
return nil, err
}
if err := json.Unmarshal(carJSON, &driver.Car); err != nil {
return nil, err
}
// Filter drivers based on date matching punctual or regular availabilities.
if driver.AvailabilitiesType == internal.Punctual {
if err := json.Unmarshal(availabilitiesJSON, &driver.PunctualAvailabilities); err != nil {
return nil, err
}
// Convert the date to the day of the week and make it lowercase.
dayOfWeek := strings.ToLower(time.Unix(date, 0).UTC().Format("Mon"))
for _, avail := range driver.PunctualAvailabilities {
// Extract the day part of the punctual driver's date and compare.
availDate := time.Unix(avail.Date, 0)
if strings.ToLower(availDate.Format("Mon")) == dayOfWeek {
drivers = append(drivers, driver)
break
}
}
} else if driver.AvailabilitiesType == internal.Regular {
if err := json.Unmarshal(availabilitiesJSON, &driver.RegularAvailabilities); err != nil {
return nil, err
}
// Convert the date to the day of the week and make it lowercase.
dayOfWeek := strings.ToLower(time.Unix(date, 0).UTC().Format("Mon"))
for _, avail := range driver.RegularAvailabilities {
if strings.ToLower(avail.DayOfWeek) == dayOfWeek {
drivers = append(drivers, driver)
break
}
}
}
}
if err := rows.Err(); err != nil {
return nil, err
}
return drivers, nil
}
func (s PostgresqlStorage) DriverJourneys(departure_route *geojson.Feature, departure_date int64) (drivers []internal.Driver, err error) {
allDrivers, err := s.GetAllDrivers(departure_date)
if err != nil {
return nil, err
}
for _, driver := range allDrivers {
// Check if the departure route is the same as the driver's departure route.
if departure_route.Point().Y() == driver.Driver_departure_address.Point().Y() && departure_route.Point().X() == driver.Driver_departure_address.Point().X() {
drivers = append(drivers, driver)
} else {
// Calculate the distance between the departure point and the driver's departure route.
coords1 := departure_route.Geometry.(orb.Point)
coords2 := driver.Driver_departure_address.Geometry.(orb.Point)
distance := utils.Haversine(coords1[1], coords1[0], coords2[1], coords2[0])
if int64(distance) <= int64(driver.Radius) {
drivers = append(drivers, driver)
}
}
}
return drivers, nil
}