From bb833561aa74f02970aee13cdc75973b29716491 Mon Sep 17 00:00:00 2001
From: leshe4ka46 <alex9102naid1@ya.ru>
Date: Mon, 27 Oct 2025 20:36:28 +0300
Subject: # This is a combination of 2 commits. # This is the 1st commit
 message:

unmarshal all formats, merge them in the single table, users are truly unique

# This is the commit message #2:

i
---
 pkg/model/types.go | 74 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 pkg/model/types.go

(limited to 'pkg/model/types.go')

diff --git a/pkg/model/types.go b/pkg/model/types.go
new file mode 100644
index 0000000..fd65d46
--- /dev/null
+++ b/pkg/model/types.go
@@ -0,0 +1,74 @@
+package model
+
+import (
+	"encoding/json"
+	"math"
+	"strconv"
+	"strings"
+	"time"
+
+	"airlines/pkg/airports"
+)
+
+type Sex uint8
+
+const (
+	SexUnknown Sex = 0
+	SexMale    Sex = 1
+	SexFemale  Sex = 2
+)
+
+func (s *Sex) UnmarshalJSON(b []byte) error {
+	var raw string
+	if err := json.Unmarshal(b, &raw); err == nil {
+		switch strings.ToLower(strings.TrimSpace(raw)) {
+		case "male":
+			*s = SexMale
+			return nil
+		case "female":
+			*s = SexFemale
+			return nil
+		case "", "unknown", "null":
+			*s = SexUnknown
+			return nil
+		}
+	}
+	// also accept numbers in JSON
+	var n int
+	if err := json.Unmarshal(b, &n); err == nil {
+		*s = Sex(n)
+		return nil
+	}
+	*s = SexUnknown
+	return nil
+}
+
+func TzFromAirportRecord(a airports.Airport) *time.Location {
+	return TzFromOffsetHours(a.Timezone)
+}
+
+func TzFromOffsetHours(hours float64) *time.Location {
+	minTotal := int(math.Round(hours * 60.0))
+	sec := minTotal * 60
+
+	name := fixedZoneNameFromMinutes(minTotal)
+	return time.FixedZone(name, sec)
+}
+
+func fixedZoneNameFromMinutes(minTotal int) string {
+	sign := "+"
+	if minTotal < 0 {
+		sign = "-"
+		minTotal = -minTotal
+	}
+	h := minTotal / 60
+	m := minTotal % 60
+	return "UTC" + sign + two(h) + ":" + two(m)
+}
+
+func two(x int) string {
+	if x < 10 {
+		return "0" + strconv.Itoa(x)
+	}
+	return strconv.Itoa(x)
+}
-- 
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