fix(ZenTao): add support for non-date string handling in UnmarshalJSON and introduce related tests

backend/core/models/common/iso8601time.go

@@ -111,6 +111,14 @@ func (jt *Iso8601Time) UnmarshalJSON(b []byte) error {
 		return nil
 	}
 	timeString = strings.Trim(timeString, `"`)
+
+	// Handle special cases for non-standard date representations
+	// Some systems may use text like "长期" (long-term) instead of actual dates
+	if isNonDateString(timeString) {
+		jt.Time = time.Time{}
+		return nil
+	}
+
 	t, err := ConvertStringToTime(timeString)
 	if err != nil {
 		return err
@@ -119,6 +127,34 @@ func (jt *Iso8601Time) UnmarshalJSON(b []byte) error {
 	return nil
 }
 
+// isNonDateString checks if a string represents a non-date value like "long-term"
+func isNonDateString(s string) bool {
+	// Handle various representations of "long-term" in different systems
+	nonDateStrings := []string{
+		"长期",                 // Chinese for "long-term"
+		"\\u957f\\u671f",     // Unicode escape sequence for "长期"
+		"\\\\u957f\\\\u671f", // Double-escaped Unicode sequence
+		"long-term",          // English
+		"永久",                 // Chinese for "permanent"
+		"indefinite",         // English
+		"unlimited",          // English
+	}
+
+	for _, nonDate := range nonDateStrings {
+		if s == nonDate {
+			return true
+		}
+	}
+
+	// Also check if the string contains the Unicode escape pattern for "长期"
+	// This handles cases where escape sequences might be processed differently
+	if strings.Contains(s, "957f") && strings.Contains(s, "671f") {
+		return true
+	}
+
+	return false
+}
+
 // ToTime FIXME ...
 func (jt *Iso8601Time) ToTime() time.Time {
 	return jt.Time

backend/core/models/common/iso8601time_test.go

@@ -21,6 +21,7 @@ import (
 	"database/sql/driver"
 	"fmt"
 	"reflect"
+	"strings"
 	"testing"
 	"time"
 
@@ -162,6 +163,116 @@ func TestConvertStringToTime(t *testing.T) {
 	}
 }
 
+func TestIsNonDateString(t *testing.T) {
+	testCases := []struct {
+		name   string
+		input  string
+		output bool
+	}{
+		{
+			name:   "ZenTao long-term in Chinese",
+			input:  "长期",
+			output: true,
+		},
+		{
+			name:   "ZenTao long-term in Unicode escape",
+			input:  "\\u957f\\u671f",
+			output: true,
+		},
+		{
+			name:   "ZenTao long-term in double-escaped Unicode",
+			input:  "\\\\u957f\\\\u671f",
+			output: true,
+		},
+		{
+			name:   "English long-term",
+			input:  "long-term",
+			output: true,
+		},
+		{
+			name:   "Chinese permanent",
+			input:  "永久",
+			output: true,
+		},
+		{
+			name:   "English indefinite",
+			input:  "indefinite",
+			output: true,
+		},
+		{
+			name:   "English unlimited",
+			input:  "unlimited",
+			output: true,
+		},
+		{
+			name:   "Valid date string",
+			input:  "2023-03-01",
+			output: false,
+		},
+		{
+			name:   "Valid datetime string",
+			input:  "2023-03-01T12:30:00Z",
+			output: false,
+		},
+		{
+			name:   "Random string",
+			input:  "random",
+			output: false,
+		},
+	}
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			output := isNonDateString(tc.input)
+			assert.Equal(t, tc.output, output, "Expected output to be %v, but got %v", tc.output, output)
+		})
+	}
+}
+
+func TestIso8601Time_UnmarshalJSON_NonDateStrings(t *testing.T) {
+	testCases := []struct {
+		name      string
+		input     string
+		shouldErr bool
+	}{
+		{
+			name:      "ZenTao long-term in Chinese",
+			input:     `"长期"`,
+			shouldErr: false,
+		},
+		{
+			name:      "ZenTao long-term in Unicode escape",
+			input:     `"\\u957f\\u671f"`,
+			shouldErr: false,
+		},
+		{
+			name:      "English long-term",
+			input:     `"long-term"`,
+			shouldErr: false,
+		},
+		{
+			name:      "Valid date",
+			input:     `"2023-03-01T12:30:00Z"`,
+			shouldErr: false,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			var iso8601Time Iso8601Time
+			err := iso8601Time.UnmarshalJSON([]byte(tc.input))
+			if tc.shouldErr {
+				assert.Error(t, err)
+			} else {
+				assert.NoError(t, err)
+				// For non-date strings, the time should be zero
+				if isNonDateString(strings.Trim(tc.input, `"`)) {
+					assert.True(t, iso8601Time.Time.IsZero(), "Expected zero time for non-date string")
+				}
+			}
+		})
+	}
+}
+
 func TestConvertStringToTimeInLoc(t *testing.T) {
 	loc, err := time.LoadLocation("Asia/Shanghai")
 	if err != nil {

backend/plugins/org/api/team.go

@@ -80,9 +80,8 @@ func (h *Handlers) CreateTeam(input *plugin.ApiResourceInput) (*plugin.ApiResour
 	if err != nil {
 		return nil, err
 	}
-	var t *team
 	var items []interface{}
-	for _, tm := range t.toDomainLayer(tt) {
+	for _, tm := range (&team{}).toDomainLayer(tt) {
 		items = append(items, tm)
 	}
 	err = h.store.deleteAll(&crossdomain.Team{})

backend/plugins/org/api/user.go

@@ -79,9 +79,8 @@ func (h *Handlers) CreateUser(input *plugin.ApiResourceInput) (*plugin.ApiResour
 	if err != nil {
 		return nil, err
 	}
-	var u *user
 	var items []interface{}
-	users, teamUsers := u.toDomainLayer(uu)
+	users, teamUsers := (&user{}).toDomainLayer(uu)
 	for _, user := range users {
 		items = append(items, user)
 	}