X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=db%2Fdb.go;h=7f87201a354abb1d7a64a0e1166972ea758fa83f;hb=4215df47c93c6ea26f21c74a9d52f78d1d103dde;hp=bc4b8b3f4e5a16d345849b3972e563b7e629f5ba;hpb=7a9e5112eaaea58d55f181d3e5296e4ff839921c;p=perso%2FImmae%2FProjets%2FCryptomonnaies%2FCryptoportfolio%2FFront.git

diff --git a/db/db.go b/db/db.go
index bc4b8b3..7f87201 100644
--- a/db/db.go
+++ b/db/db.go
@@ -1,9 +1,7 @@
 package db
 
 import (
-	"fmt"
-	"strings"
-
+	migrate "github.com/go-pg/migrations"
 	"github.com/go-pg/pg"
 	"github.com/go-pg/pg/orm"
 	"github.com/jloup/utils"
@@ -25,15 +23,60 @@ func Init(config DBConfig) {
 
 	DB = connect(config)
 
-	err = createSchema(DB)
+	err = migratedb()
 	if err != nil {
-		log.Errorf("cannot create schemas %v\n", err)
+		log.Fatalf("cannot migratedb '%v'\n", err)
 	}
+}
 
-	err = createIndexes(DB)
+func migratedb() error {
+	/* Remove after first MEP */
+	version, err := migrate.Version(DB)
 	if err != nil {
-		log.Errorf("cannot create indexes %v\n", err)
+		return err
+	}
+
+	if version == 0 {
+		return migrate.SetVersion(DB, 1)
 	}
+	/***/
+
+	mig := make([]migrate.Migration, 0)
+
+	for _, migration := range migrations {
+		mig = append(mig, migrate.Migration{
+			Version: migration.Version,
+			Up: func(db orm.DB) error {
+				for _, query := range migration.Up {
+					_, err := db.Exec(query)
+					if err != nil {
+						return err
+					}
+				}
+
+				return nil
+			},
+			Down: func(db orm.DB) error {
+				for _, query := range migration.Down {
+					_, err := db.Exec(query)
+					if err != nil {
+						return err
+					}
+				}
+
+				return nil
+			},
+		})
+	}
+
+	oldVersion, newVersion, err := migrate.RunMigrations(DB, mig, "up")
+
+	if oldVersion != newVersion {
+		log.Infof("Migrate DB: %v -> %v", oldVersion, newVersion)
+	} else {
+		log.Infof("DB up-to-date: version '%v'", newVersion)
+	}
+	return err
 }
 
 func connect(config DBConfig) *pg.DB {
@@ -44,32 +87,3 @@ func connect(config DBConfig) *pg.DB {
 		Addr:     config.Address,
 	})
 }
-
-func createSchema(db *pg.DB) error {
-	for _, model := range []interface{}{&User{}, &MarketConfig{}} {
-		err := db.CreateTable(model, &orm.CreateTableOptions{IfNotExists: true})
-		if err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-func createIndexes(db *pg.DB) error {
-	indexes := []struct {
-		TableName string
-		Name      string
-		Columns   []string
-	}{
-		{"market_configs", "market_name_user_id_idx", []string{"user_id", "market_name"}},
-	}
-
-	for _, index := range indexes {
-		_, err := db.Exec(fmt.Sprintf("CREATE UNIQUE INDEX IF NOT EXISTS %s ON %s (%s)", index.Name, index.TableName, strings.Join(index.Columns, ",")))
-		if err != nil {
-			return err
-		}
-	}
-
-	return nil
-}