Initial commit: TaskPool React panel

- React frontend with route-level code splitting
- Backend rebranded from Baihu to TaskPool
- DB brand migration script and local compatibility

internal/models/time.go

@@ -0,0 +1,74 @@
+package models
+
+import (
+	"database/sql/driver"
+	"fmt"
+	"time"
+
+	"github.com/engigu/taskpool/internal/systime"
+)
+
+const TimeFormat = "2006-01-02 15:04:05"
+
+// LocalTime 自定义时间类型，JSON 序列化为 "年-月-日 时:分:秒" 格式
+type LocalTime time.Time
+
+func (t LocalTime) MarshalJSON() ([]byte, error) {
+	tt := time.Time(t)
+	if tt.IsZero() {
+		return []byte("null"), nil
+	}
+	// 统一输出为东八区时间
+	tt = systime.InCST(tt)
+	return []byte(fmt.Sprintf(`"%s"`, tt.Format(TimeFormat))), nil
+}
+
+func (t *LocalTime) UnmarshalJSON(data []byte) error {
+	if string(data) == "null" || string(data) == `""` {
+		return nil
+	}
+	// 去掉引号
+	s := string(data)
+	if len(s) >= 2 && s[0] == '"' && s[len(s)-1] == '"' {
+		s = s[1 : len(s)-1]
+	}
+	tt, err := time.ParseInLocation(TimeFormat, s, time.Local)
+	if err != nil {
+		// 尝试解析 ISO 格式
+		tt, err = time.Parse(time.RFC3339, s)
+		if err != nil {
+			return err
+		}
+	}
+	*t = LocalTime(tt)
+	return nil
+}
+
+func (t LocalTime) Value() (driver.Value, error) {
+	return time.Time(t), nil
+}
+
+func (t *LocalTime) Scan(v interface{}) error {
+	if v == nil {
+		return nil
+	}
+	switch val := v.(type) {
+	case time.Time:
+		*t = LocalTime(val)
+	case string:
+		tt, err := time.ParseInLocation(TimeFormat, val, time.Local)
+		if err != nil {
+			return err
+		}
+		*t = LocalTime(tt)
+	}
+	return nil
+}
+
+func (t LocalTime) Time() time.Time {
+	return time.Time(t)
+}
+
+func Now() LocalTime {
+	return LocalTime(systime.Now())
+}