fix postgresql issues

config.go

@@ -7,7 +7,49 @@ import (
 )
 
 func ReadConfig() (*viper.Viper, error) {
+
+	defaults := map[string]any{
+		"name":    "COOPGO Carpool Incentives",
+		"dev_env": false,
+		"storage": map[string]any{
+			"db": map[string]any{
+				"type": "psql",
+				"mongodb": map[string]any{
+					"host":    "localhost",
+					"port":    27017,
+					"db_name": "coopgo_platform",
+					"collections": map[string]string{
+						"incentive_subscriptions": "carpool_incentive_subscriptions",
+						"proofs":                  "carpool_proofs",
+					},
+				},
+				"psql": map[string]any{
+					"host":     "localhost",
+					"port":     5432,
+					"user":     "postgres",
+					"password": "postgres",
+					"dbname":   "coopgo_platform",
+					"schema":   "carpool_incentives",
+					"sslmode":  "disable",
+					"tables": map[string]string{
+						"incentive_subscriptions": "incentive_subscriptions",
+						"proofs":                  "proofs",
+					},
+				},
+			},
+		},
+		"services": map[string]any{
+			"grpc": map[string]any{
+				"enable": true,
+				"port":   8080,
+			},
+		},
+	}
+
 	v := viper.New()
+	for key, value := range defaults {
+		v.SetDefault(key, value)
+	}
 	v.SetConfigName("config")
 	v.AddConfigPath(".")
 	v.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))

handlers/incentives/incentives.go

@@ -6,6 +6,7 @@ import (
 
 	"git.coopgo.io/coopgo-platform/carpool-incentives/storage"
 	"github.com/google/uuid"
+	"github.com/rs/zerolog/log"
 	"github.com/spf13/viper"
 )
 
@@ -62,6 +63,7 @@ func (h *IncentivesHandler) GetAvailableIncentives(userid string) ([]storage.Inc
 
 	incentiveSubscriptions, err := h.Storage.GetUserSubscriptions(userid)
 	if err != nil {
+		log.Error().Err(err).Msg("error retrieving subscriptions")
 		return nil, err
 	}
 

storage/mongodb.go

@@ -87,6 +87,6 @@ func (s MongoDBStorage) SubscribeIncentive(incentive_subscription IncentiveSubsc
 	return nil
 }
 
-func (psql MongoDBStorage) Migrate() error {
+func (s MongoDBStorage) Migrate() error {
 	return nil
 }

storage/postgresql.go

@@ -57,10 +57,10 @@ func NewPostgresqlStorage(cfg *viper.Viper) (PostgresqlStorage, error) {
 func (s PostgresqlStorage) GetUserSubscriptions(userid string) ([]IncentiveSubscription, error) {
 
 	req := fmt.Sprintf(`SELECT id, incentive_id, user_id, identity_verification_ids, data, declined, subscription_datetime
-	FROM %s
-	WHERE user_id=$1`, s.Tables["incentive_subscriptions"])
+	FROM %s WHERE user_id = $1`, s.Tables["incentive_subscriptions"])
 	rows, err := s.DbConnection.Query(req, userid)
 	if err != nil {
+		log.Error().Str("request", req).Err(err).Msg("GetUserSubscriptions query error")
 		return nil, err
 	}
 	defer rows.Close()

storage/postgresql/schema.hcl

@@ -15,6 +15,7 @@ table "incentive_subscriptions" {
   column "identity_verification_ids" {
     null = true
     type = sql("text[]")
+    default = sql("array[]::text[]")
   }
   column "data" {
     null = false
@@ -27,6 +28,7 @@ table "incentive_subscriptions" {
   column "subscription_datetime" {
     null = true
     type = timestamptz
+    default = sql("now()")
   }
   primary_key {
     columns = [column.id]

storage/storage.go

@@ -22,6 +22,9 @@ func NewStorage(cfg *viper.Viper) (Storage, error) {
 	case "mongodb":
 		s, err := NewMongoDBStorage(cfg)
 		return s, err
+	case "psql":
+		s, err := NewPostgresqlStorage(cfg)
+		return s, err
 	default:
 		return nil, fmt.Errorf("storage type %v is not supported", storage_type)
 	}