新增功能-api生成数据库并初始化回写配置

修改gva initdb 判断是否已经创建的一些小问题
新增api生成数据库并初始化回写配置
修改文件：
server/cmd/gva/initdb.go
server/cmd/information/data_authorities.go
server/cmd/information/workflow.go
server/initialize/gorm
server/main.go

新增文件：
server/api/v1/sys.initdb.go
server/middleware/init.go
server/model/sys_init.go
server/service/sys_initdb.go
servcer/utils/init_db.go

迁移文件
server/cmd/gva/mysql.go->server/utils/mysql.go

server/cmd/information/system/workflow.go

@@ -3,9 +3,10 @@ package information
 import (
 	"gin-vue-admin/global"
 	"gin-vue-admin/model"
+	"time"
+
 	"github.com/gookit/color"
 	"gorm.io/gorm"
-	"time"
 )
 
 var Workflow = new(workflow)
@@ -43,19 +44,33 @@ var WorkflowEndPoint = []model.WorkflowEndPoint{
 //@description: 工作流相关 表数据初始化
 func (w *workflow) Init() error {
 	return global.GVA_DB.Transaction(func(tx *gorm.DB) error {
-		if err := tx.Create(&WorkflowProcess).Error; err != nil { // 遇到错误时回滚事务
+		if tx.Where("id IN ?", []string{"leaveFlow"}).Find(&[]model.WorkflowProcess{}).RowsAffected == 1 {
+			// continue
+		} else if err := tx.Create(&WorkflowProcess).Error; err != nil { // 遇到错误时回滚事务
 			return err
 		}
-		if err := tx.Create(&WorkflowNodes).Error; err != nil { // 遇到错误时回滚事务
+
+		if tx.Where("id IN ?", []string{"end1603681358043", "end1603681360882", "start1603681292875", "userTask1603681299962"}).Find(&[]model.WorkflowNode{}).RowsAffected == 4 {
+			// continue
+		} else if err := tx.Create(&WorkflowNodes).Error; err != nil { // 遇到错误时回滚事务
 			return err
 		}
-		if err := tx.Create(&WorkflowEdge).Error; err != nil { // 遇到错误时回滚事务
+
+		if tx.Where("id IN ?", []string{"flow1604985849039", "flow1604985879574", "flow1604985881207"}).Find(&[]model.WorkflowEdge{}).RowsAffected == 3 {
+
+		} else if err := tx.Create(&WorkflowEdge).Error; err != nil { // 遇到错误时回滚事务
 			return err
 		}
-		if err := tx.Create(&WorkflowStartPoint).Error; err != nil { // 遇到错误时回滚事务
+
+		if tx.Where("workflow_edge_id IN ?", []string{"flow1604985849039", "flow1604985879574", "flow1604985881207"}).Find(&[]model.WorkflowStartPoint{}).RowsAffected == 3 {
+
+		} else if err := tx.Create(&WorkflowStartPoint).Error; err != nil { // 遇到错误时回滚事务
 			return err
 		}
-		if err := tx.Create(&WorkflowEndPoint).Error; err != nil { // 遇到错误时回滚事务
+
+		if tx.Where("workflow_edge_id IN ?", []string{"flow1604985849039", "flow1604985879574", "flow1604985881207"}).Find(&[]model.WorkflowEndPoint{}).RowsAffected == 3 {
+
+		} else if err := tx.Create(&WorkflowEndPoint).Error; err != nil { // 遇到错误时回滚事务
 			return err
 		}
 		color.Info.Println("\n[Mysql] --> 工作流相关 表初始数据成功!")