Feat: migration DB support custom upgrade scripts

models/scripts/invoker/invoker.go

@@ -0,0 +1,37 @@
+package invoker
+
+import (
+	"context"
+	"fmt"
+	"github.com/cloudreve/Cloudreve/v3/pkg/util"
+)
+
+type DBScript interface {
+	Run(ctx context.Context)
+}
+
+var availableScripts = make(map[string]DBScript)
+
+func RunDBScript(name string, ctx context.Context) error {
+	if script, ok := availableScripts[name]; ok {
+		util.Log().Info("开始执行数据库脚本 [%s]", name)
+		script.Run(ctx)
+		return nil
+	}
+
+	return fmt.Errorf("数据库脚本 [%s] 不存在", name)
+}
+
+func Register(name string, script DBScript) {
+	availableScripts[name] = script
+}
+
+func ListPrefix(prefix string) []string {
+	var scripts []string
+	for name := range availableScripts {
+		if name[:len(prefix)] == prefix {
+			scripts = append(scripts, name)
+		}
+	}
+	return scripts
+}

models/scripts/invoker/invoker_test.go

@@ -0,0 +1,60 @@
+package invoker
+
+import (
+	"context"
+	"database/sql"
+	"github.com/DATA-DOG/go-sqlmock"
+	model "github.com/cloudreve/Cloudreve/v3/models"
+	"github.com/jinzhu/gorm"
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+var mock sqlmock.Sqlmock
+var mockDB *gorm.DB
+
+type TestScript int
+
+func (script TestScript) Run(ctx context.Context) {
+
+}
+
+// TestMain 初始化数据库Mock
+func TestMain(m *testing.M) {
+	var db *sql.DB
+	var err error
+	db, mock, err = sqlmock.New()
+	if err != nil {
+		panic("An error was not expected when opening a stub database connection")
+	}
+	model.DB, _ = gorm.Open("mysql", db)
+	mockDB = model.DB
+	defer db.Close()
+	m.Run()
+}
+
+func TestRunDBScript(t *testing.T) {
+	asserts := assert.New(t)
+	Register("test", TestScript(0))
+
+	// 不存在
+	{
+		asserts.Error(RunDBScript("else", context.Background()))
+	}
+
+	// 存在
+	{
+		asserts.NoError(RunDBScript("test", context.Background()))
+	}
+}
+
+func TestListPrefix(t *testing.T) {
+	asserts := assert.New(t)
+	Register("U1", TestScript(0))
+	Register("U2", TestScript(0))
+	Register("U3", TestScript(0))
+	Register("P1", TestScript(0))
+
+	res := ListPrefix("U")
+	asserts.Len(res, 3)
+}