first commit

server/db/migrations.go

@@ -0,0 +1,43 @@
+package db
+
+import (
+	"errors"
+	"fmt"
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type localMigration struct {
+	Name  string
+	Query string
+}
+
+var migrations = []localMigration{
+	// {
+	// 	Name:  "2020_11_03_04_42_SetDefaultDownloadStatus",
+	// 	Query: "update podcast_items set download_status=2 where download_path!='' and download_status=0",
+	// },
+}
+
+func RunMigrations() {
+	for _, mig := range migrations {
+		ExecuteAndSaveMigration(mig.Name, mig.Query)
+	}
+}
+func ExecuteAndSaveMigration(name string, query string) error {
+	var migration Migration
+	result := DB.Where("name=?", name).First(&migration)
+	if errors.Is(result.Error, gorm.ErrRecordNotFound) {
+		fmt.Println(query)
+		result = DB.Debug().Exec(query)
+		if result.Error == nil {
+			DB.Save(&Migration{
+				Date: time.Now(),
+				Name: name,
+			})
+		}
+		return result.Error
+	}
+	return nil
+}