优化载入逻辑: Step 2/5

engine/load.go

@@ -12,6 +12,7 @@ import (
 	"github.com/yaoapp/xiang/api"
 	"github.com/yaoapp/xiang/app"
 	"github.com/yaoapp/xiang/config"
+	"github.com/yaoapp/xiang/flow"
 	"github.com/yaoapp/xiang/share"
 	"github.com/yaoapp/xiang/table"
 	"github.com/yaoapp/xun/capsule"
@@ -22,7 +23,8 @@ func Load(cfg config.Config) {
 	app.Load(cfg) // 加载应用信息
 	DBConnect(cfg.Database)
 	LoadEngine(cfg.Path)
-	api.Load(cfg) // 加载API
+	api.Load(cfg)  // 加载API
+	flow.Load(cfg) // 加载Flow
 	LoadApp(share.AppRoot{
 		APIs:    cfg.RootAPI,
 		Flows:   cfg.RootFLow,
@@ -144,14 +146,14 @@ func LoadApp(app share.AppRoot) {
 	// 	}
 	// }
 
-	// 加载Flow
-	if strings.HasPrefix(app.Flows, "fs://") || !strings.Contains(app.Flows, "://") {
-		root := strings.TrimPrefix(app.Flows, "fs://")
-		scripts := share.GetAppFilesFS(root, ".json")
-		for _, script := range scripts {
-			gou.LoadFlow(string(script.Content), script.Name)
-		}
-	}
+	// // 加载Flow
+	// if strings.HasPrefix(app.Flows, "fs://") || !strings.Contains(app.Flows, "://") {
+	// 	root := strings.TrimPrefix(app.Flows, "fs://")
+	// 	scripts := share.GetAppFilesFS(root, ".json")
+	// 	for _, script := range scripts {
+	// 		gou.LoadFlow(string(script.Content), script.Name)
+	// 	}
+	// }
 
 	// 加载Model
 	if strings.HasPrefix(app.Models, "fs://") || !strings.Contains(app.Models, "://") {

flow/flow.go

@@ -1,4 +1,29 @@
 package flow
 
-// Load 加载业务逻辑编排
-func Load(filepath string) {}
+import (
+	"fmt"
+
+	"github.com/yaoapp/gou"
+	"github.com/yaoapp/xiang/config"
+	"github.com/yaoapp/xiang/share"
+)
+
+// Load 加载API
+func Load(cfg config.Config) {
+	fmt.Println(cfg.RootFLow)
+	LoadFrom(cfg.RootFLow, "")
+}
+
+// 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.LoadFlow(string(content), prefix+name)
+	})
+}

flow/flow_test.go

@@ -0,0 +1,24 @@
+package flow
+
+import (
+	"testing"
+
+	"github.com/go-playground/assert/v2"
+	"github.com/yaoapp/gou"
+	"github.com/yaoapp/xiang/config"
+)
+
+func TestLoad(t *testing.T) {
+	gou.Flows = make(map[string]*gou.Flow)
+	Load(config.Conf)
+	LoadFrom("not a path", "404.")
+	check(t)
+}
+
+func check(t *testing.T) {
+	keys := []string{}
+	for key := range gou.Flows {
+		keys = append(keys, key)
+	}
+	assert.Equal(t, 2, len(keys))
+}

tests/flows/foo/bar.flow.json

@@ -0,0 +1,19 @@
+{
+  "label": "最新信息",
+  "version": "1.0.0",
+  "description": "最新信息",
+  "nodes": [
+    {
+      "name": "user",
+      "engine": "xiang",
+      "query": {
+        "select": ["id", "name"],
+        "from": "$user",
+        "first": true
+      }
+    }
+  ],
+  "output": {
+    "params": "{{$in}}"
+  }
+}