+ 数据图表载入逻辑

chart/REAME.md

@@ -0,0 +1 @@
+# 数据图表

chart/chart.go

@@ -0,0 +1,49 @@
+package chart
+
+import (
+	jsoniter "github.com/json-iterator/go"
+	"github.com/yaoapp/kun/exception"
+	"github.com/yaoapp/xiang/config"
+	"github.com/yaoapp/xiang/share"
+	"github.com/yaoapp/xiang/xlog"
+)
+
+// Charts 已载入图表
+var Charts = map[string]*Chart{}
+
+// Load 加载数据表格
+func Load(cfg config.Config) {
+	LoadFrom(cfg.RootChart, "")
+}
+
+// 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)
+		chart, err := LoadChart(content, name)
+		if err != nil {
+			exception.New("%s 图表格式错误", 400, name).Ctx(filename).Throw()
+		}
+		Charts[name] = chart
+	})
+}
+
+// LoadChart 载入数据表格
+func LoadChart(source []byte, name string) (*Chart, error) {
+	chart := Chart{}
+	err := jsoniter.Unmarshal(source, &chart)
+	if err != nil {
+		xlog.Println(name)
+		xlog.Println(err.Error())
+		xlog.Println(string(source))
+		return nil, err
+	}
+	chart.Prepare()
+	return &chart, nil
+}

chart/chart_test.go

@@ -0,0 +1,29 @@
+package chart
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/yaoapp/xiang/config"
+	"github.com/yaoapp/xiang/model"
+	"github.com/yaoapp/xiang/query"
+	"github.com/yaoapp/xiang/share"
+)
+
+func TestLoad(t *testing.T) {
+	share.DBConnect(config.Conf.Database)
+	model.Load(config.Conf)
+	query.Load(config.Conf)
+
+	Load(config.Conf)
+	LoadFrom("not a path", "404.")
+	check(t)
+}
+
+func check(t *testing.T) {
+	keys := []string{}
+	for key := range Charts {
+		keys = append(keys, key)
+	}
+	assert.Equal(t, 1, len(keys))
+}

chart/types.go

@@ -0,0 +1,21 @@
+package chart
+
+import (
+	"github.com/yaoapp/gou"
+	"github.com/yaoapp/xiang/share"
+)
+
+// Chart 图表格式
+type Chart struct {
+	gou.Flow
+	APIs    map[string]API          `json:"apis,omitempty"`
+	Filters map[string]share.Filter `json:"filters,omitempty"`
+	Page    share.Page              `json:"page,omitempty"`
+}
+
+// API 图表 API
+type API struct {
+	Disable bool        `json:"disable,omitempty"`
+	Guard   string      `json:"guard,omitempty"`
+	Default interface{} `json:"default,omitempty"`
+}

query/README.md

@@ -0,0 +1 @@
+# 数据分析查询引擎

query/query.go

@@ -0,0 +1,29 @@
+package query
+
+import (
+	"github.com/yaoapp/gou"
+	dsl "github.com/yaoapp/gou/query/gou"
+	"github.com/yaoapp/kun/exception"
+	"github.com/yaoapp/xiang/config"
+	"github.com/yaoapp/xun/capsule"
+)
+
+// Load 加载查询引擎
+func Load(cfg config.Config) {
+	XiangQuery()
+}
+
+// XiangQuery 注册应用引擎象 xiang
+func XiangQuery() {
+	gou.RegisterEngine("xiang", &dsl.Query{
+		Query: capsule.Query(),
+		GetTableName: func(s string) string {
+			if mod, has := gou.Models[s]; has {
+				return mod.MetaData.Table.Name
+			}
+			exception.New("%s 数据模型尚未加载", 404).Throw()
+			return s
+		},
+		AESKey: config.Conf.Database.AESKey,
+	})
+}

tests/charts/service/compare.json

@@ -1,35 +1,37 @@
 {
   "engine": "gou",
-  "name": "指标对比",
+  "label": "指标对比",
   "version": "1.0.0",
   "decription": "指标对比",
   "nodes": [
     {
       "name": "行业分布",
-      "process": "models.service.get",
+      "engine": "xiang",
       "query": {
-        "select": ["city", ":COUNT(id) as cnt", "@industries.$ as industry"],
+        "select": ["city", ":COUNT(id) as cnt", "industries[*] as industry"],
+        "from": "$service",
         "wheres": [
-          { "column": "created_at", "value": "{{$query.from}}", "op": "ge" },
-          { "column": "created_at", "value": "{{$query.to}}", "op": "le" }
+          { "field": "created_at", ">": "?:$in.from" },
+          { "field": "created_at", "<": "?:$in.to" }
         ],
-        "order": ["cnt.desc"],
+        "order": "cnt desc",
         "limit": 100,
-        "group": ["@industries.$", "city"]
+        "group": ["industries[*]", "city"]
       }
     },
     {
       "name": "计费方式",
-      "process": "models.service.get",
+      "engine": "xiang",
       "query": {
-        "select": ["city", ":COUNT(id) as cnt", "@price_options.$ as option"],
+        "select": ["city", ":COUNT(id) as cnt", "price_options[*] as option"],
+        "from": "$service",
         "wheres": [
-          { "column": "created_at", "value": "{{$query.from}}", "op": "ge" },
-          { "column": "created_at", "value": "{{$query.to}}", "op": "le" }
+          { "field": "created_at", ">": "?:$in.from" },
+          { "field": "created_at", "<": "?:$in.to" }
         ],
-        "order": ["cnt.desc"],
+        "order": "cnt desc",
         "limit": 100,
-        "group": ["@price_options.$", "city"]
+        "group": ["price_options[*]", "city"]
       }
     },
     {
@@ -44,7 +46,7 @@
       ]
     }
   ],
-  "data": "{{$res.合并结果}}",
+  "output": "{{$res.合并结果}}",
   "filters": {},
   "page": {
     "primary": "城市",