add cages and hamsters dao

2020-05-17 00:06:59 +02:00
parent f6195e0638
commit 9e171382f0
5 changed files with 354 additions and 0 deletions
--- a/storage/dao/postgresql/database_postgresql_hamsters.go
+++ b/storage/dao/postgresql/database_postgresql_hamsters.go
@@ -1 +1,120 @@
 package postgresql
+
+import (
+	"database/sql"
+	"github.com/lib/pq"
+	"hamster-tycoon/storage/dao"
+	"hamster-tycoon/storage/model"
+)
+
+func (db *DatabasePostgreSQL) GetAllHamsters() ([]*model.Hamster, error) {
+	q := `
+		SELECT id, created_at, updated_at, name, number, sexe, age, father_id, mother_id, hunger_level, thirst_level, weight, height, alive, sold, gestation, gestation_period, gestation_cooldown, gestation_father_id
+		FROM public.Hamster h
+	`
+	rows, err := db.session.Query(q)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	hamsters := make([]*model.Hamster, 0)
+	for rows.Next() {
+		hamster := model.Hamster{
+			Mother:          &model.Hamster{},
+			Father:          &model.Hamster{},
+			GestationFather: &model.Hamster{},
+		}
+		err := rows.Scan(&hamster.ID, &hamster.CreatedAt,
+			&hamster.UpdatedAt, &hamster.Name,
+			&hamster.Number, &hamster.Sexe,
+			&hamster.Age, &hamster.Father.ID,
+			&hamster.Mother.ID, &hamster.HungerLevel,
+			&hamster.ThirstLevel, &hamster.Weight,
+			&hamster.Height, &hamster.Alive,
+			&hamster.Sold, &hamster.Gestation,
+			&hamster.GestationPeriod, &hamster.GestationCooldown,
+			&hamster.GestationFather.ID)
+		if err != nil {
+			return nil, err
+		}
+		hamsters = append(hamsters, &hamster)
+	}
+	return hamsters, nil
+}
+
+func (db *DatabasePostgreSQL) GetHamsterById(id string) (*model.Hamster, error) {
+	q := `
+		SELECT id, created_at, updated_at, name, number, sexe, age, father_id, mother_id, hunger_level, thirst_level, weight, height, alive, sold, gestation, gestation_period, gestation_cooldown, gestation_father_id
+		FROM public.Hamster h
+		WHERE c.id = $1
+	`
+	row := db.session.QueryRow(q, id)
+
+	hamster := model.Hamster{
+		Mother:          &model.Hamster{},
+		Father:          &model.Hamster{},
+		GestationFather: &model.Hamster{},
+	}
+	err := row.Scan(&hamster.ID, &hamster.CreatedAt,
+		&hamster.UpdatedAt, &hamster.Name,
+		&hamster.Number, &hamster.Sexe,
+		&hamster.Age, &hamster.Father.ID,
+		&hamster.Mother.ID, &hamster.HungerLevel,
+		&hamster.ThirstLevel, &hamster.Weight,
+		&hamster.Height, &hamster.Alive,
+		&hamster.Sold, &hamster.Gestation,
+		&hamster.GestationPeriod, &hamster.GestationCooldown,
+		&hamster.GestationFather.ID)
+
+	if errPq, ok := err.(*pq.Error); ok {
+		return nil, handlePgError(errPq)
+	}
+	if err == sql.ErrNoRows {
+		return nil, dao.NewDAOError(dao.ErrTypeNotFound, err)
+	}
+	return &hamster, err
+}
+
+func (db *DatabasePostgreSQL) CreateHamster(hamster *model.Hamster) error {
+	q := `
+		INSERT INTO public.Hamster
+			(name, number, sexe, age, father_id, mother_id, hunger_level, thirst_level, weight, height, alive, sold, gestation, gestation_period, gestation_cooldown, gestation_father_id)
+		VALUES
+			($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14, $15, $16)
+		RETURNING id, created_at
+	`
+
+	err := db.session.
+		QueryRow(q, &hamster.Name,
+			&hamster.Number, &hamster.Sexe,
+			&hamster.Age, &hamster.Father.ID,
+			&hamster.Mother.ID, &hamster.HungerLevel,
+			&hamster.ThirstLevel, &hamster.Weight,
+			&hamster.Height, &hamster.Alive,
+			&hamster.Sold, &hamster.Gestation,
+			&hamster.GestationPeriod, &hamster.GestationCooldown,
+			&hamster.GestationFather.ID).
+		Scan(&hamster.ID, &hamster.CreatedAt)
+	if errPq, ok := err.(*pq.Error); ok {
+		return handlePgError(errPq)
+	}
+	return err
+}
+
+func (db *DatabasePostgreSQL) DeleteHamster(id string) error {
+	q := `
+		DELETE FROM public.Hamster
+		WHERE id = $1
+	`
+
+	_, err := db.session.Exec(q, id)
+	if errPq, ok := err.(*pq.Error); ok {
+		return handlePgError(errPq)
+	}
+	return err
+}
+
+func (db *DatabasePostgreSQL) UpdateHamster(hamster *model.Hamster) error {
+	return nil
+}