107 lines
2.3 KiB
Go
107 lines
2.3 KiB
Go
package repository
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import (
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"context"
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"github.com/tribalwarshelp/dcbot/models"
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"github.com/tribalwarshelp/dcbot/observation"
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"github.com/go-pg/pg/v10"
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"github.com/go-pg/pg/v10/orm"
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"github.com/pkg/errors"
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)
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type pgRepo struct {
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*pg.DB
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}
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func NewPgRepo(db *pg.DB) (observation.Repository, error) {
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if err := db.CreateTable((*models.Observation)(nil), &orm.CreateTableOptions{
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IfNotExists: true,
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FKConstraints: true,
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}); err != nil {
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return nil, errors.Wrap(err, "Cannot create 'observations' table")
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}
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return &pgRepo{db}, nil
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}
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func (repo *pgRepo) Store(ctx context.Context, observation *models.Observation) error {
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if _, err := repo.Model(observation).Returning("*").Context(ctx).Insert(); err != nil {
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return err
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}
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return nil
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}
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func (repo *pgRepo) StoreMany(ctx context.Context, observations []*models.Observation) error {
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if _, err := repo.Model(&observations).Returning("*").Context(ctx).Insert(); err != nil {
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return err
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}
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return nil
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}
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func (repo *pgRepo) Update(ctx context.Context, observation *models.Observation) error {
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if _, err := repo.
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Model(observation).
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WherePK().
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Returning("*").
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Context(ctx).
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UpdateNotZero(); err != nil {
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return err
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}
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return nil
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}
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func (repo *pgRepo) Fetch(ctx context.Context, f *models.ObservationFilter) ([]*models.Observation, int, error) {
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var err error
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data := []*models.Observation{}
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query := repo.Model(&data).Context(ctx)
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if f != nil {
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query = query.
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WhereStruct(f).
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Limit(f.Limit).
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Offset(f.Offset)
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if len(f.Order) > 0 {
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query = query.Order(f.Order...)
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}
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}
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total, err := query.SelectAndCount()
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if err != nil && err != pg.ErrNoRows {
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return nil, 0, err
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}
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return data, total, nil
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}
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func (repo *pgRepo) FetchServers(ctx context.Context) ([]string, error) {
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data := []*models.Observation{}
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res := []string{}
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err := repo.
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Model(&data).
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Column("server").
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Context(ctx).
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Group("server").
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Order("server ASC").
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Select(&res)
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return res, err
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}
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func (repo *pgRepo) Delete(ctx context.Context, f *models.ObservationFilter) ([]*models.Observation, error) {
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data := []*models.Observation{}
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query := repo.Model(&data).Context(ctx)
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if f != nil {
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query = query.WhereStruct(f)
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}
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_, err := query.
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Returning("*").
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Delete()
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if err != nil && err != pg.ErrNoRows {
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return nil, err
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}
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return data, nil
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}
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