[add] language pack support for chart

chart/chart.go

@@ -6,6 +6,7 @@ import (
 
 	jsoniter "github.com/json-iterator/go"
 	"github.com/yaoapp/gou"
+	"github.com/yaoapp/gou/lang"
 	"github.com/yaoapp/kun/exception"
 	"github.com/yaoapp/kun/log"
 	"github.com/yaoapp/yao/config"
@@ -75,6 +76,12 @@ func LoadChart(source []byte, name string) (*Chart, error) {
 	chart.Prepare()
 	chart.SetupAPIs()
 	Charts[name] = chart
+
+	// Apply a language pack
+	if lang.Default != nil {
+		lang.Default.Apply(Charts[name])
+	}
+
 	return chart, nil
 }
 

chart/chart_test.go

@@ -1,16 +1,22 @@
 package chart
 
 import (
+	"os"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
 	"github.com/yaoapp/yao/config"
+	"github.com/yaoapp/yao/lang"
 	"github.com/yaoapp/yao/model"
 	"github.com/yaoapp/yao/query"
 	"github.com/yaoapp/yao/share"
 )
 
 func TestLoad(t *testing.T) {
+
+	os.Setenv("YAO_LANG", "zh-hk")
+	lang.Load(config.Conf)
+
 	share.DBConnect(config.Conf.DB)
 	model.Load(config.Conf)
 	query.Load(config.Conf)
@@ -25,5 +31,13 @@ func check(t *testing.T) {
 	for key := range Charts {
 		keys = append(keys, key)
 	}
-	assert.Equal(t, 2, len(keys))
+	assert.Equal(t, 3, len(keys))
+
+	lang := Charts["lang"]
+	output := lang.Output.(map[string]interface{})
+	assert.Equal(t, "{{$in}}", output["參數"])
+
+	filters := lang.Page.Layout["filters"].([]interface{})
+	begin := filters[0].(map[string]interface{})
+	assert.Equal(t, "開始時間", begin["name"])
 }

chart/lang.go

@@ -0,0 +1,112 @@
+package chart
+
+// Lang for applying a language pack
+func (chart *Chart) Lang(trans func(widget string, inst string, value *string) bool) {
+	inst := chart.Flow.Name
+	widget := "chart"
+
+	trans(widget, inst, &chart.Name)
+	trans(widget, inst, &chart.Label)
+	trans(widget, inst, &chart.Description)
+	trans(widget, inst, &chart.Page.Primary)
+	transMap(widget, inst, chart.Page.Layout, trans)
+	chart.Output = transAny(widget, inst, chart.Output, trans)
+}
+
+func transAny(widget string, inst string, input interface{}, trans func(widget string, inst string, value *string) bool) interface{} {
+	switch input.(type) {
+	case []interface{}:
+		values := input.([]interface{})
+		transArr(widget, inst, values, trans)
+		input = values
+		break
+
+	case map[string]interface{}:
+		values := input.(map[string]interface{})
+		for name, value := range values {
+			new := name
+			newValue := value
+
+			switch value.(type) {
+			case string:
+				val := value.(string)
+				trans(widget, inst, &val)
+				newValue = val
+				break
+
+			case []interface{}:
+				vals := value.([]interface{})
+				transArr(widget, inst, vals, trans)
+				newValue = vals
+				break
+
+			case map[string]interface{}:
+				vals := value.(map[string]interface{})
+				transMap(widget, inst, vals, trans)
+				newValue = vals
+				break
+			}
+
+			trans(widget, inst, &new)
+			delete(values, name)
+			values[new] = newValue
+		}
+		input = values
+		break
+	}
+
+	return input
+}
+
+func transMap(widget string, inst string, values map[string]interface{}, trans func(widget string, inst string, value *string) bool) {
+	for key, value := range values {
+
+		switch value.(type) {
+
+		case string:
+			v := value.(string)
+			trans(widget, inst, &v)
+			values[key] = v
+			break
+
+		case []interface{}:
+			v := value.([]interface{})
+			transArr(widget, inst, v, trans)
+			values[key] = v
+			break
+
+		case map[string]interface{}:
+			v := value.(map[string]interface{})
+			transMap(widget, inst, v, trans)
+			values[key] = v
+			break
+		}
+
+	}
+}
+
+func transArr(widget string, inst string, values []interface{}, trans func(widget string, inst string, value *string) bool) {
+	for key, value := range values {
+		switch value.(type) {
+
+		case string:
+			v := value.(string)
+			trans(widget, inst, &v)
+			values[key] = v
+			break
+
+		case []interface{}:
+			v := value.([]interface{})
+			transArr(widget, inst, v, trans)
+			values[key] = v
+			break
+
+		case map[string]interface{}:
+			v := value.(map[string]interface{})
+			transMap(widget, inst, v, trans)
+			values[key] = v
+			break
+		}
+
+	}
+}

tests/charts/lang.chart.json

@@ -0,0 +1,100 @@
+{
+  "label": "::Demo",
+  "version": "1.0.0",
+  "description": "::Demo",
+  "nodes": [
+    {
+      "name": "行业",
+      "engine": "xiang",
+      "query": {
+        "select": [
+          "city",
+          ":COUNT(id) as 数量",
+          "industries[*](string 50) as industry"
+        ],
+        "from": "$service",
+        "wheres": [
+          { "field": "created_at", ">": "?:$from.0" },
+          { "field": "created_at", "<": "?:$to" }
+        ],
+        "orders": "数量 desc",
+        "limit": 100
+      }
+    },
+    {
+      "name": "计费",
+      "engine": "xiang",
+      "query": {
+        "select": ["city", ":COUNT(id) as 数量", "price_options[*] as option"],
+        "from": "$service",
+        "wheres": [
+          { "field": "created_at", ">": "?:$from.0" },
+          { "field": "created_at", "<": "?:$to" }
+        ],
+        "orders": "数量 desc",
+        "limit": 100
+      }
+    },
+    {
+      "name": "合并结果",
+      "process": "xiang.helper.ArrayPluck",
+      "args": [
+        ["城市", "行业", "计费"],
+        {
+          "行业": { "key": "city", "value": "数量", "items": "{{$res.行业}}" },
+          "计费": { "key": "city", "value": "数量", "items": "{{$res.计费}}" }
+        }
+      ]
+    }
+  ],
+  "output": {
+    "::Merge": "{{$res.合并结果}}",
+    "::Billing": "{{$res.计费}}",
+    "::Industry": "{{$res.行业}}",
+    "::Parameter": "{{$in}}"
+  },
+  "apis": {
+    "data": {
+      "disable": false,
+      "guard": "-",
+      "default": [{ "from": "1980-01-02", "to": "2050-12-31" }]
+    },
+    "setting": { "disable": false, "guard": "-" }
+  },
+  "filters": {
+    "::Start": {
+      "label": "::Start",
+      "bind": "from",
+      "input": {
+        "type": "date",
+        "props": {
+          "placeholder": "::Please select a start time"
+        }
+      }
+    },
+    "::End": {
+      "label": "::End",
+      "bind": "to",
+      "input": {
+        "type": "date",
+        "props": {
+          "placeholder": "::Please select an end time"
+        }
+      }
+    }
+  },
+  "page": {
+    "primary": "::City",
+    "layout": {
+      "filters": [
+        { "name": "::Start", "width": 6 },
+        { "name": "::End", "width": 6 }
+      ],
+      "charts": [
+        { "type": "line", "props": {} },
+        { "type": "bar", "props": {} }
+      ]
+    },
+    "actions": {}
+  }
+}

tests/charts/service/compare.chart.json

@@ -7,7 +7,7 @@
       "name": "行业",
       "engine": "xiang",
       "query": {
-        "debug": true,
+        "debug": false,
         "select": [
           "city",
           ":COUNT(id) as 数量",

tests/langs/zh-hk/charts/lang.yml

@@ -0,0 +1,10 @@
+Start: 開始時間
+End: 結束時間
+City: 城市
+Please select a start time: 請選擇開始時間
+Please select an end time: 請選擇結束時間
+Industry: 行業
+Billing: 計費
+Merge Reulst: 合併結果
+Parameter: 參數
+Merge: 合併