кастомный echotron + fix текста

shared/echotron/querybuilder.go

@@ -0,0 +1,88 @@
+/*
+ * Echotron
+ * Copyright (C) 2018 The Echotron Contributors
+ *
+ * Echotron is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Echotron is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package echotron
+
+import (
+	"encoding/json"
+	"net/url"
+	"reflect"
+	"strconv"
+)
+
+func toString(v reflect.Value) string {
+	switch v.Kind() {
+	case reflect.String:
+		return v.String()
+
+	case reflect.Float64:
+		return strconv.FormatFloat(v.Float(), 'f', -1, 64)
+
+	case reflect.Int, reflect.Int64:
+		return strconv.FormatInt(v.Int(), 10)
+
+	case reflect.Bool:
+		return strconv.FormatBool(v.Bool())
+
+	case reflect.Struct, reflect.Interface, reflect.Slice, reflect.Array:
+		b, _ := json.Marshal(v.Interface())
+		return string(b)
+
+	default:
+		return ""
+	}
+}
+
+func scan(i any, v url.Values) url.Values {
+	e := reflect.ValueOf(i)
+
+	if e.Kind() == reflect.Pointer {
+		e = e.Elem()
+	}
+
+	if e.Kind() == reflect.Invalid {
+		return v
+	}
+
+	for i := 0; i < e.NumField(); i++ {
+		fTag := e.Type().Field(i).Tag
+
+		if name := fTag.Get("query"); name != "" && !e.Field(i).IsZero() {
+			v.Set(name, toString(e.Field(i)))
+		}
+	}
+
+	return v
+}
+
+func urlValues(i any) url.Values {
+	if i == nil {
+		return nil
+	}
+	return scan(i, url.Values{})
+}
+
+func addValues(vals url.Values, i any) url.Values {
+	if i == nil {
+		return vals
+	}
+	if vals == nil {
+		vals = make(url.Values)
+	}
+	return scan(i, vals)
+}