feat: Add YYYY-MM-DD date format support for Pagure milestone migration (#10299)

The change migrates the milestone's deadline in a semantic time format understood by the database.

Please note that this change is in addition to that of !10169.

Fixes https://forge.fedoraproject.org/forge/forge/issues/306

Signed-off-by: Akashdeep Dhar <akashdeep.dhar@gmail.com>
Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/10299
Reviewed-by: Gusted <gusted@noreply.codeberg.org>
Co-authored-by: Akashdeep Dhar <akashdeep.dhar@gmail.com>
Co-committed-by: Akashdeep Dhar <akashdeep.dhar@gmail.com>

services/migrations/pagure.go

@@ -178,13 +178,20 @@ func processDate(dateStr *string) time.Time {
 		return date
 	}
 
+	// Try parsing as Unix timestamp first
 	unix, err := strconv.Atoi(*dateStr)
-	if err != nil {
-		log.Error("Error:", err)
+	if err == nil {
+		date = time.Unix(int64(unix), 0)
 		return date
 	}
 
-	date = time.Unix(int64(unix), 0)
+	// Try parsing as YYYY-MM-DD format
+	parsedDate, err := time.Parse("2006-01-02", *dateStr)
+	if err == nil {
+		return parsedDate
+	}
+
+	log.Error("Error parsing date '%s': %v", *dateStr, err)
 	return date
 }
 

services/migrations/pagure_test.go

@@ -635,3 +635,43 @@ func TestPagureDownloadRepoWithPrivateIssues(t *testing.T) {
 		},
 	}, comments)
 }
+
+func TestProcessDate(t *testing.T) {
+	tests := []struct {
+		name     string
+		input    *string
+		expected time.Time
+	}{
+		{
+			name:     "nil input",
+			input:    nil,
+			expected: time.Time{},
+		},
+		{
+			name:     "empty string",
+			input:    strPtr(""),
+			expected: time.Time{},
+		},
+		{
+			name:     "unix timestamp",
+			input:    strPtr("1609459200"),
+			expected: time.Unix(1609459200, 0),
+		},
+		{
+			name:     "YYYY-MM-DD format",
+			input:    strPtr("2025-12-12"),
+			expected: time.Date(2025, time.December, 12, 0, 0, 0, 0, time.UTC),
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := processDate(tt.input)
+			assert.Equal(t, tt.expected, result)
+		})
+	}
+}
+
+func strPtr(s string) *string {
+	return &s
+}