优化载入逻辑: Step 3/5

engine/load.go

@@ -13,18 +13,22 @@ import (
 	"github.com/yaoapp/xiang/app"
 	"github.com/yaoapp/xiang/config"
 	"github.com/yaoapp/xiang/flow"
+	"github.com/yaoapp/xiang/model"
 	"github.com/yaoapp/xiang/share"
 	"github.com/yaoapp/xiang/table"
-	"github.com/yaoapp/xun/capsule"
 )
 
 // Load 根据配置加载 API, FLow, Model, Plugin
 func Load(cfg config.Config) {
+
+	share.DBConnect(cfg.Database) // 创建数据库连接
+
 	app.Load(cfg) // 加载应用信息
-	DBConnect(cfg.Database)
+
 	LoadEngine(cfg.Path)
-	api.Load(cfg)  // 加载API
-	flow.Load(cfg) // 加载Flow
+	model.Load(cfg) // 加载数据模型
+	api.Load(cfg)   // 加载API
+	flow.Load(cfg)  // 加载Flow
 	LoadApp(share.AppRoot{
 		APIs:    cfg.RootAPI,
 		Flows:   cfg.RootFLow,
@@ -50,22 +54,22 @@ func Reload(cfg config.Config) {
 	Load(cfg)
 }
 
-// DBConnect 建立数据库连接
-func DBConnect(dbconfig config.DatabaseConfig) {
+// // DBConnect 建立数据库连接
+// func DBConnect(dbconfig config.DatabaseConfig) {
 
-	// 连接主库
-	for i, dsn := range dbconfig.Primary {
-		db := capsule.AddConn("primary", dbconfig.Driver, dsn)
-		if i == 0 {
-			db.SetAsGlobal()
-		}
-	}
+// 	// 连接主库
+// 	for i, dsn := range dbconfig.Primary {
+// 		db := capsule.AddConn("primary", dbconfig.Driver, dsn)
+// 		if i == 0 {
+// 			db.SetAsGlobal()
+// 		}
+// 	}
 
-	// 连接从库
-	for _, dsn := range dbconfig.Secondary {
-		capsule.AddReadConn("secondary", dbconfig.Driver, dsn)
-	}
-}
+// 	// 连接从库
+// 	for _, dsn := range dbconfig.Secondary {
+// 		capsule.AddReadConn("secondary", dbconfig.Driver, dsn)
+// 	}
+// }
 
 // LoadEngine 加载引擎的 API, Flow, Model 配置
 func LoadEngine(from string) {
@@ -155,14 +159,14 @@ func LoadApp(app share.AppRoot) {
 	// 	}
 	// }
 
-	// 加载Model
-	if strings.HasPrefix(app.Models, "fs://") || !strings.Contains(app.Models, "://") {
-		root := strings.TrimPrefix(app.Models, "fs://")
-		scripts := share.GetAppFilesFS(root, ".json")
-		for _, script := range scripts {
-			gou.LoadModel(string(script.Content), script.Name)
-		}
-	}
+	// // 加载Model
+	// if strings.HasPrefix(app.Models, "fs://") || !strings.Contains(app.Models, "://") {
+	// 	root := strings.TrimPrefix(app.Models, "fs://")
+	// 	scripts := share.GetAppFilesFS(root, ".json")
+	// 	for _, script := range scripts {
+	// 		gou.LoadModel(string(script.Content), script.Name)
+	// 	}
+	// }
 
 	// 加载Plugin
 	if strings.HasPrefix(app.Plugins, "fs://") || !strings.Contains(app.Plugins, "://") {

flow/flow.go

@@ -1,16 +1,13 @@
 package flow
 
 import (
-	"fmt"
-
 	"github.com/yaoapp/gou"
 	"github.com/yaoapp/xiang/config"
 	"github.com/yaoapp/xiang/share"
 )
 
-// Load 加载API
+// Load 加载业务逻辑编排
 func Load(cfg config.Config) {
-	fmt.Println(cfg.RootFLow)
 	LoadFrom(cfg.RootFLow, "")
 }
 

flow/flow_test.go

@@ -3,7 +3,7 @@ package flow
 import (
 	"testing"
 
-	"github.com/go-playground/assert/v2"
+	"github.com/stretchr/testify/assert"
 	"github.com/yaoapp/gou"
 	"github.com/yaoapp/xiang/config"
 )

model/init_test.go

@@ -0,0 +1,22 @@
+package model
+
+import (
+	"os"
+	"testing"
+
+	"github.com/yaoapp/gou"
+	"github.com/yaoapp/xiang/config"
+)
+
+var cfg config.Config
+
+func TestMain(m *testing.M) {
+
+	// Run test suites
+	exitVal := m.Run()
+
+	// we can do clean up code here
+	gou.KillPlugins()
+
+	os.Exit(exitVal)
+}

model/model.go

@@ -1,4 +1,26 @@
 package model
 
+import (
+	"github.com/yaoapp/gou"
+	"github.com/yaoapp/xiang/config"
+	"github.com/yaoapp/xiang/share"
+)
+
 // Load 加载数据模型
-func Load(filepath string) {}
+func Load(cfg config.Config) {
+	LoadFrom(cfg.RootModel, "")
+}
+
+// LoadFrom 从特定目录加载
+func LoadFrom(dir string, prefix string) {
+
+	if share.DirNotExists(dir) {
+		return
+	}
+
+	share.Walk(dir, ".json", func(root, filename string) {
+		name := share.SpecName(root, filename)
+		content := share.ReadFile(filename)
+		gou.LoadModel(string(content), prefix+name)
+	})
+}

model/model_test.go

@@ -0,0 +1,27 @@
+package model
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/yaoapp/gou"
+	"github.com/yaoapp/xiang/config"
+	"github.com/yaoapp/xiang/share"
+)
+
+func TestLoad(t *testing.T) {
+	share.DBConnect(config.Conf.Database)
+	gou.Models = make(map[string]*gou.Model)
+	Load(config.Conf)
+	LoadFrom("not a path", "404.")
+	check(t)
+}
+
+func check(t *testing.T) {
+	keys := []string{}
+	for key := range gou.Models {
+		keys = append(keys, key)
+	}
+	assert.Equal(t, 9, len(keys))
+}

share/db.go

@@ -0,0 +1,23 @@
+package share
+
+import (
+	"github.com/yaoapp/xiang/config"
+	"github.com/yaoapp/xun/capsule"
+)
+
+// DBConnect 建立数据库连接
+func DBConnect(dbconfig config.DatabaseConfig) {
+
+	// 连接主库
+	for i, dsn := range dbconfig.Primary {
+		db := capsule.AddConn("primary", dbconfig.Driver, dsn)
+		if i == 0 {
+			db.SetAsGlobal()
+		}
+	}
+
+	// 连接从库
+	for _, dsn := range dbconfig.Secondary {
+		capsule.AddReadConn("secondary", dbconfig.Driver, dsn)
+	}
+}

tests/models/foo/bar.mod.json

@@ -0,0 +1,43 @@
+{
+  "name": "用户角色",
+  "table": {
+    "name": "foo_bar",
+    "comment": "用户角色关系表",
+    "engine": "InnoDB"
+  },
+  "columns": [
+    { "name": "id", "type": "ID" },
+    {
+      "label": "用户ID",
+      "name": "user_id",
+      "type": "bigInteger",
+      "comment": "所属用户",
+      "index": true
+    },
+    {
+      "label": "角色ID",
+      "name": "role_id",
+      "type": "bigInteger",
+      "comment": "角色ID",
+      "index": true
+    },
+    {
+      "label": "状态",
+      "name": "status",
+      "type": "enum",
+      "default": "enabled",
+      "option": ["enabled", "disabled"],
+      "comment": "状态 enabled 开启, disabled 关闭",
+      "index": true
+    }
+  ],
+  "relations": {},
+  "option": { "timestamps": true, "soft_deletes": true },
+  "values": [
+    { "user_id": 1, "role_id": 1 },
+    { "user_id": 1, "role_id": 2 },
+    { "user_id": 2, "role_id": 3 },
+    { "user_id": 2, "role_id": 4 },
+    { "user_id": 3, "role_id": 1 }
+  ]
+}