code refactor

pkg/api/server_settings.go

@@ -0,0 +1,169 @@
+package api
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/errs"
+	"github.com/mayswind/ezbookkeeping/pkg/settings"
+)
+
+const ezbookkeepingServerSettingsGlobalVariableName = "EZBOOKKEEPING_SERVER_SETTINGS"
+const ezbookkeepingServerSettingsGlobalVariableFullName = "window." + ezbookkeepingServerSettingsGlobalVariableName
+const ezbookkeepingServerSettingsJavascriptFileHeader = ezbookkeepingServerSettingsGlobalVariableFullName +
+	"=" + ezbookkeepingServerSettingsGlobalVariableFullName + "||{};\n"
+
+// ServerSettingsApi represents server settings api
+type ServerSettingsApi struct {
+	ApiUsingConfig
+}
+
+// Initialize a server settings api singleton instance
+var (
+	ServerSettings = &ServerSettingsApi{
+		ApiUsingConfig: ApiUsingConfig{
+			container: settings.Container,
+		},
+	}
+)
+
+// ServerSettingsJavascriptHandler returns the javascript contains server settings
+func (a *ServerSettingsApi) ServerSettingsJavascriptHandler(c *core.WebContext) ([]byte, string, *errs.Error) {
+	config := a.CurrentConfig()
+	builder := &strings.Builder{}
+	builder.WriteString(ezbookkeepingServerSettingsJavascriptFileHeader)
+
+	a.appendBooleanSetting(builder, "r", config.EnableUserRegister)
+	a.appendBooleanSetting(builder, "f", config.EnableUserForgetPassword)
+	a.appendBooleanSetting(builder, "v", config.EnableUserVerifyEmail)
+	a.appendBooleanSetting(builder, "p", config.EnableTransactionPictures)
+	a.appendBooleanSetting(builder, "s", config.EnableScheduledTransaction)
+	a.appendBooleanSetting(builder, "e", config.EnableDataExport)
+	a.appendBooleanSetting(builder, "i", config.EnableDataImport)
+	a.appendStringSetting(builder, "m", config.MapProvider)
+
+	if config.EnableMapDataFetchProxy &&
+		(config.MapProvider == settings.OpenStreetMapProvider ||
+			config.MapProvider == settings.OpenStreetMapHumanitarianStyleProvider ||
+			config.MapProvider == settings.OpenTopoMapProvider ||
+			config.MapProvider == settings.OPNVKarteMapProvider ||
+			config.MapProvider == settings.CyclOSMMapProvider ||
+			config.MapProvider == settings.CartoDBMapProvider ||
+			config.MapProvider == settings.TomTomMapProvider ||
+			config.MapProvider == settings.TianDiTuProvider ||
+			config.MapProvider == settings.CustomProvider) {
+		a.appendBooleanSetting(builder, "mp", config.EnableMapDataFetchProxy)
+	}
+
+	if config.MapProvider == settings.CustomProvider {
+		a.appendStringSetting(builder, "cmzl", fmt.Sprintf("%d-%d-%d", config.CustomMapTileServerMinZoomLevel, config.CustomMapTileServerMaxZoomLevel, config.CustomMapTileServerDefaultZoomLevel))
+
+		if !config.EnableMapDataFetchProxy {
+			a.appendStringSetting(builder, "cmsu", config.CustomMapTileServerTileLayerUrl)
+
+			if config.CustomMapTileServerAnnotationLayerUrl != "" {
+				a.appendStringSetting(builder, "cmau", config.CustomMapTileServerAnnotationLayerUrl)
+			}
+		} else {
+			if config.CustomMapTileServerAnnotationLayerUrl != "" {
+				a.appendBooleanSetting(builder, "cmap", config.EnableMapDataFetchProxy)
+			}
+		}
+	}
+
+	if config.MapProvider == settings.TomTomMapProvider && config.TomTomMapAPIKey != "" && !config.EnableMapDataFetchProxy {
+		a.appendStringSetting(builder, "tmak", config.TomTomMapAPIKey)
+	}
+
+	if config.MapProvider == settings.TianDiTuProvider && config.TianDiTuAPIKey != "" && !config.EnableMapDataFetchProxy {
+		a.appendStringSetting(builder, "tdak", config.TianDiTuAPIKey)
+	}
+
+	if config.MapProvider == settings.GoogleMapProvider && config.GoogleMapAPIKey != "" {
+		a.appendStringSetting(builder, "gmak", config.GoogleMapAPIKey)
+	}
+
+	if config.MapProvider == settings.BaiduMapProvider && config.BaiduMapAK != "" {
+		a.appendStringSetting(builder, "bmak", config.BaiduMapAK)
+	}
+
+	if config.MapProvider == settings.AmapProvider && config.AmapApplicationKey != "" {
+		a.appendStringSetting(builder, "amak", config.AmapApplicationKey)
+	}
+
+	if config.MapProvider == settings.AmapProvider && config.AmapSecurityVerificationMethod != "" {
+		a.appendStringSetting(builder, "amsv", config.AmapSecurityVerificationMethod)
+
+		if config.AmapSecurityVerificationMethod == settings.AmapSecurityVerificationExternalProxyMethod {
+			a.appendStringSetting(builder, "amep", config.AmapApiExternalProxyUrl)
+		}
+
+		if config.AmapSecurityVerificationMethod == settings.AmapSecurityVerificationPlainTextMethod {
+			a.appendStringSetting(builder, "amas", config.AmapApplicationSecret)
+		}
+	}
+
+	return []byte(builder.String()), "", nil
+}
+
+func (a *ServerSettingsApi) appendStringSetting(builder *strings.Builder, key string, value string) {
+	builder.WriteString(ezbookkeepingServerSettingsGlobalVariableFullName)
+	builder.WriteString("[")
+	a.appendEncodedString(builder, key)
+	builder.WriteString("]=")
+
+	a.appendEncodedString(builder, value)
+
+	builder.WriteString(";\n")
+}
+
+func (a *ServerSettingsApi) appendBooleanSetting(builder *strings.Builder, key string, value bool) {
+	builder.WriteString(ezbookkeepingServerSettingsGlobalVariableFullName)
+	builder.WriteString("[")
+	a.appendEncodedString(builder, key)
+	builder.WriteString("]=")
+
+	if value {
+		builder.WriteRune('1')
+	} else {
+		builder.WriteRune('0')
+	}
+
+	builder.WriteString(";\n")
+}
+
+func (a *ServerSettingsApi) appendEncodedString(builder *strings.Builder, content string) {
+	builder.WriteRune('\'')
+	runes := []rune(content)
+
+	for i := 0; i < len(runes); i++ {
+		switch runes[i] {
+		case '\\':
+			builder.WriteRune('\\')
+			builder.WriteRune('\\')
+		case '\'':
+			builder.WriteRune('\\')
+			builder.WriteRune('\'')
+		case '\n':
+			builder.WriteRune('\\')
+			builder.WriteRune('n')
+		case '\r':
+			builder.WriteRune('\\')
+			builder.WriteRune('r')
+		case '\t':
+			builder.WriteRune('\\')
+			builder.WriteRune('t')
+		case '\f':
+			builder.WriteRune('\\')
+			builder.WriteRune('f')
+		case '\b':
+			builder.WriteRune('\\')
+			builder.WriteRune('b')
+		default:
+			builder.WriteRune(runes[i])
+		}
+	}
+
+	builder.WriteRune('\'')
+}