64 lines
1.5 KiB
Go
64 lines
1.5 KiB
Go
package repository
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import (
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"context"
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"encoding/json"
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"github.com/pkg/errors"
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"github.com/titpetric/factory"
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)
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type (
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settings struct {
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*repository
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// sql table reference
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settings string
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}
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Settings interface {
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With(ctx context.Context, db *factory.DB) Settings
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Get(name string, value interface{}) (bool, error)
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Set(name string, value interface{}) error
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}
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)
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func NewSettings(ctx context.Context, db *factory.DB) Settings {
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return (&settings{}).With(ctx, db)
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}
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func (r *settings) With(ctx context.Context, db *factory.DB) Settings {
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return &settings{
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repository: r.repository.With(ctx, db),
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settings: "settings",
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}
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}
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func (r *settings) Set(name string, value interface{}) error {
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if jsonValue, err := json.Marshal(value); err != nil {
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return errors.Wrap(err, "Error marshaling settings value")
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} else {
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return r.db().Replace(r.settings, struct {
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Key string `db:"name"`
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Val json.RawMessage `db:"value"`
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}{name, jsonValue})
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}
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}
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func (r *settings) Get(name string, value interface{}) (bool, error) {
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sql := "SELECT value FROM " + r.settings + " WHERE name = ?"
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var stored json.RawMessage
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if err := r.db().Get(&stored, sql, name); err != nil {
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return false, errors.Wrap(err, "Error reading settings from the database")
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} else if stored == nil {
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return false, nil
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} else if err := json.Unmarshal(stored, value); err != nil {
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return false, errors.Wrap(err, "Error unmarshaling settings value")
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}
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return true, nil
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}
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