可以在线修改数据库配置

internal/web/actions/default/settings/database/index.go

@@ -1,15 +1,87 @@
 package profile
 
-import "github.com/TeaOSLab/EdgeAdmin/internal/web/actions/actionutils"
+import (
+	"github.com/TeaOSLab/EdgeAdmin/internal/web/actions/actionutils"
+	"github.com/go-yaml/yaml"
+	"github.com/iwind/TeaGo/Tea"
+	"github.com/iwind/TeaGo/dbs"
+	"github.com/iwind/TeaGo/maps"
+	"io/ioutil"
+	"net/url"
+	"path/filepath"
+	"regexp"
+	"strings"
+)
 
 type IndexAction struct {
 	actionutils.ParentAction
 }
 
 func (this *IndexAction) Init() {
-	this.Nav("", "", "")
+	this.Nav("", "", "index")
 }
 
 func (this *IndexAction) RunGet(params struct{}) {
+	this.Data["error"] = ""
+
+	configFile := Tea.ConfigFile("api_db.yaml")
+	data, err := ioutil.ReadFile(configFile)
+	if err != nil {
+		this.Data["error"] = "read config file failed: api_db.yaml: " + err.Error()
+		this.Show()
+		return
+	}
+
+	config := &dbs.Config{}
+	err = yaml.Unmarshal(data, config)
+	if err != nil {
+		this.Data["error"] = "parse config file failed: api_db.yaml: " + err.Error()
+		this.Show()
+		return
+	}
+
+	if config.DBs == nil {
+		this.Data["error"] = "can not find valid database config: api_db.yaml"
+		this.Show()
+		return
+	}
+
+	dbConfig, ok := config.DBs[config.Default.DB]
+	if !ok {
+		this.Data["error"] = "can not find valid database config: api_db.yaml"
+		this.Show()
+		return
+	}
+	dsn := dbConfig.Dsn
+	dsn = regexp.MustCompile(`tcp\((.+)\)`).ReplaceAllString(dsn, "$1")
+	dsnURL, err := url.Parse("mysql://" + dsn)
+	if err != nil {
+		this.Data["error"] = "parse dsn failed: " + err.Error()
+		this.Show()
+		return
+	}
+
+	host := dsnURL.Host
+	port := "3306"
+	index := strings.LastIndex(dsnURL.Host, ":")
+	if index > 0 {
+		host = dsnURL.Host[:index]
+		port = dsnURL.Host[index+1:]
+	}
+
+	password, _ := dsnURL.User.Password()
+	if len(password) > 0 {
+		password = strings.Repeat("*", len(password))
+	}
+	this.Data["dbConfig"] = maps.Map{
+		"host":     host,
+		"port":     port,
+		"username": dsnURL.User.Username(),
+		"password": password,
+		"database": filepath.Base(dsnURL.Path),
+	}
+
+	// TODO 测试连接
+
 	this.Show()
 }