imports -> Importer

importer/column.go

@@ -1,4 +1,4 @@
-package imports
+package importer
 
 import (
 	"fmt"

importer/column_test.go

@@ -1,4 +1,4 @@
-package imports
+package importer
 
 import (
 	"testing"

importer/csv/csv.go

@@ -0,0 +1 @@
+package csv

importer/from/source.go

@@ -0,0 +1,20 @@
+package from
+
+// Source 导入文件接口
+type Source interface {
+	Data(page int, size int) []map[string]interface{}
+	Columns() []Column
+	Bind(mapping Mapping)
+}
+
+// Column 源数据列
+type Column struct {
+	Name string
+	Type string
+	Col  int
+	Row  int
+	Pos  string
+}
+
+// Mapping 数值映射表
+type Mapping struct{}

importer/importer.go

@@ -0,0 +1,92 @@
+package importer
+
+import (
+	"crypto/sha256"
+	"fmt"
+	"path/filepath"
+	"sort"
+	"strings"
+
+	jsoniter "github.com/json-iterator/go"
+	"github.com/yaoapp/kun/exception"
+	"github.com/yaoapp/xiang/config"
+	"github.com/yaoapp/xiang/importer/from"
+	"github.com/yaoapp/xiang/share"
+)
+
+// Importers 导入器
+var Importers = map[string]*Importer{}
+
+// Load 加载导入器
+func Load(cfg config.Config) {
+	LoadFrom(filepath.Join(cfg.Root, "imports"), "")
+}
+
+// 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) {
+		var importer Importer
+		name := prefix + share.SpecName(root, filename)
+		content := share.ReadFile(filename)
+		err := jsoniter.Unmarshal(content, &importer)
+		if err != nil {
+			exception.New("%s 导入配置错误. %s", 400, name, err.Error()).Ctx(filename).Throw()
+		}
+		Importers[name] = &importer
+	})
+}
+
+// Select 选择已加载导入器
+func Select(name string) *Importer {
+	im, has := Importers[name]
+	if !has {
+		exception.New("导入配置: %s 尚未加载", 400, name).Throw()
+	}
+	return im
+}
+
+// AutoMapping 根据文件信息获取字段映射表
+func (imp *Importer) AutoMapping(src from.Source) *from.Mapping {
+	return nil
+}
+
+// Preview 预览数据
+func (imp *Importer) Preview(src from.Source, page int, size int) []map[string]interface{} {
+	return nil
+}
+
+// DataSetting 预览数据表格配置
+func (imp *Importer) DataSetting(src from.Source) []map[string]interface{} {
+	return nil
+}
+
+// MappingSetting 预览映射数据表格配置
+func (imp *Importer) MappingSetting(src from.Source) []map[string]interface{} {
+	return nil
+}
+
+// Fingerprint 导入文件指纹
+func (imp *Importer) Fingerprint(src from.Source) string {
+	keys := []string{}
+	columns := src.Columns()
+	for _, col := range columns {
+		keys = append(keys, fmt.Sprintf("%s|%s", col.Name, col.Type))
+	}
+	sort.Strings(keys)
+	hash := sha256.New()
+	hash.Write([]byte(strings.Join(keys, "")))
+	return fmt.Sprintf("%x", hash.Sum(nil))
+}
+
+// SaveAsTemplate 保存为映射模板
+func (imp *Importer) SaveAsTemplate(src from.Source) {
+}
+
+// Run 运行导入
+func (imp *Importer) Run() {}
+
+// Start 运行导入(异步)
+func (imp *Importer) Start() {}

importer/importer_test.go

@@ -0,0 +1,20 @@
+package importer
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/yaoapp/xiang/importer/xlsx"
+)
+
+func TestLoad(t *testing.T) {
+	LoadFrom("not a path", "404.")
+	assert.IsType(t, &Importer{}, Select("manu"))
+}
+func TestFingerprint(t *testing.T) {
+	file := xlsx.Open()
+	imp := Select("manu")
+	fp := imp.Fingerprint(file)
+	fmt.Println(fp)
+}

importer/init_test.go

@@ -0,0 +1,20 @@
+package importer
+
+import (
+	"os"
+	"testing"
+
+	"github.com/yaoapp/xiang/config"
+	"github.com/yaoapp/xiang/model"
+	"github.com/yaoapp/xiang/query"
+	"github.com/yaoapp/xiang/share"
+)
+
+func TestMain(m *testing.M) {
+	share.DBConnect(config.Conf.Database)
+	model.Load(config.Conf)
+	query.Load(config.Conf)
+	Load(config.Conf)
+	code := m.Run()
+	os.Exit(code)
+}

importer/option.go

@@ -1,4 +1,4 @@
-package imports
+package importer
 
 import (
 	jsoniter "github.com/json-iterator/go"

importer/option_test.go

@@ -1,4 +1,4 @@
-package imports
+package importer
 
 import (
 	"testing"

importer/types.go

@@ -1,4 +1,4 @@
-package imports
+package importer
 
 // PreviewAuto 一直显示
 const PreviewAuto = "auto"
@@ -9,8 +9,8 @@ const PreviewAlways = "always"
 // PreviewNever 从不显示
 const PreviewNever = "never"
 
-// Imports 数据导入
-type Imports struct {
+// Importer 数据导入器
+type Importer struct {
 	Title   string   `json:"title,omitempty"`  // 导入名称
 	Process string   `json:"process"`          // 处理器名称
 	Columns []Column `json:"columns"`          // 字段列表

importer/xlsx/xlsx.go

@@ -0,0 +1,23 @@
+package xlsx
+
+import "github.com/yaoapp/xiang/importer/from"
+
+// Xlsx xlsx file
+type Xlsx struct{}
+
+// Open 打开 Xlsx 文件
+func Open() *Xlsx {
+	return &Xlsx{}
+}
+
+// Data 读取数据
+func (xlsx *Xlsx) Data(page int, size int) []map[string]interface{} {
+	return nil
+}
+
+// Columns 读取列
+func (xlsx *Xlsx) Columns() []from.Column { return nil }
+
+// Bind 绑定映射表
+func (xlsx *Xlsx) Bind(mapping from.Mapping) {
+}

imports/imports.go

@@ -1 +0,0 @@
-package imports