refactor:

- source 初始化数据 new 实现
- service mysql 与 pgsql 分开实现
- 代码备注优化

server/service/system/sys_initdb_pgsql.go

@@ -0,0 +1,105 @@
+package system
+
+import (
+	"context"
+	"github.com/flipped-aurora/gin-vue-admin/server/config"
+	"github.com/flipped-aurora/gin-vue-admin/server/global"
+	model "github.com/flipped-aurora/gin-vue-admin/server/model/system"
+	"github.com/flipped-aurora/gin-vue-admin/server/model/system/request"
+	"github.com/flipped-aurora/gin-vue-admin/server/source/example"
+	"github.com/flipped-aurora/gin-vue-admin/server/source/system"
+	"github.com/flipped-aurora/gin-vue-admin/server/utils"
+	"github.com/jackc/pgx/v4"
+	uuid "github.com/satori/go.uuid"
+	"gorm.io/driver/postgres"
+	"gorm.io/gorm"
+	"path/filepath"
+)
+
+// writePgsqlConfig pgsql 回写配置
+// Author [SliverHorn](https://github.com/SliverHorn)
+func (initDBService *InitDBService) writePgsqlConfig(pgsql config.Pgsql) error {
+	global.GVA_CONFIG.Pgsql = pgsql
+	cs := utils.StructToMap(global.GVA_CONFIG)
+	for k, v := range cs {
+		global.GVA_VP.Set(k, v)
+	}
+	global.GVA_VP.Set("jwt.signing-key", uuid.NewV4())
+	return global.GVA_VP.WriteConfig()
+}
+
+// createPgsqlDatabase 根据页面传递的数据库名 创建数据库
+// Author [SliverHorn](https://github.com/SliverHorn)
+func (initDBService *InitDBService) createPgsqlDatabase(dsn string, dbName string) error {
+	ctx := context.Background()
+	_sql := "CREATE DATABASE " + dbName
+	db, err := pgx.Connect(ctx, dsn)
+	if err != nil {
+		return err
+	}
+	defer func() {
+		_ = db.Close(ctx)
+	}()
+	if err = db.Ping(ctx); err != nil {
+		return err
+	}
+	_, err = db.Exec(ctx, _sql)
+	return err
+}
+func (initDBService *InitDBService) initPgsqlDB(conf request.InitDB) error {
+	dsn := conf.PgsqlEmptyDsn()
+	if err := initDBService.createPgsqlDatabase(dsn, conf.DBName); err != nil {
+		return err
+	} // 创建数据库
+
+	pgsqlConfig := conf.ToPgsqlConfig()
+	if pgsqlConfig.Dbname == "" {
+		return nil
+	} // 如果没有数据库名, 则跳出初始化数据
+
+	if db, err := gorm.Open(postgres.New(postgres.Config{
+		DSN:                  pgsqlConfig.Dsn(), // DSN data source name
+		PreferSimpleProtocol: false,
+	}), &gorm.Config{DisableForeignKeyConstraintWhenMigrating: true}); err != nil {
+		return nil
+	} else {
+		global.GVA_DB = db
+	}
+
+	if err := initDBService.initTables(); err != nil {
+		global.GVA_DB = nil
+		return err
+	}
+
+	if err := initDBService.initPgsqlData(); err != nil {
+		global.GVA_DB = nil
+		return err
+	}
+
+	if err := initDBService.writePgsqlConfig(pgsqlConfig); err != nil {
+		return err
+	}
+
+	global.GVA_CONFIG.AutoCode.Root, _ = filepath.Abs("..")
+	return nil
+}
+
+// initPgsqlData pgsql 初始化数据
+// Author [SliverHorn](https://github.com/SliverHorn)
+func (initDBService *InitDBService) initPgsqlData() error {
+	return model.MysqlDataInitialize(
+		system.Api,
+		system.User,
+		system.Casbin,
+		system.BaseMenu,
+		system.Authority,
+		system.Dictionary,
+		system.UserAuthority,
+		system.DataAuthorities,
+		system.AuthoritiesMenus,
+		system.DictionaryDetail,
+		system.ViewAuthorityMenuPostgres,
+
+		example.File,
+	)
+}