完善生产查询与登录权限配置

frontend/app/utils/scan-settings.js

@@ -0,0 +1,53 @@
+const DEFAULT_SCAN_REGION = {
+	width: 0.96,
+	height: 0.24,
+	centerX: 0.5,
+	centerY: 0.5
+}
+
+const clamp = (value, min, max, fallback) => {
+	const number = Number(value)
+	return Number.isFinite(number) ? Math.max(min, Math.min(max, number)) : fallback
+}
+
+export function getScanappUserCodes() {
+	const user = uni.getStorageSync('scanapp_user') || {}
+	const codes = [user.username, user.nickname, user.id, user.userId, user.uid, 'U001']
+	return codes.filter((code, index) => code !== undefined && code !== null && code !== '' && codes.indexOf(code) === index).map(String)
+}
+
+export function getScanappUserCode() {
+	return getScanappUserCodes()[0]
+}
+
+export function getScanappSettingsStorageKey() {
+	return `scanapp_settings_${getScanappUserCode()}`
+}
+
+export function getScanappSettings() {
+	for (const userCode of getScanappUserCodes()) {
+		const userSettings = uni.getStorageSync(`scanapp_settings_${userCode}`)
+		if (userSettings && typeof userSettings === 'object') return userSettings
+	}
+	const legacySettings = uni.getStorageSync('scanapp_settings')
+	return legacySettings && typeof legacySettings === 'object' ? legacySettings : {}
+}
+
+/**
+ * 读取当前用户的有效识别区域设置，供所有业务扫码入口统一使用。
+ */
+export function getScanRegionSetting() {
+	const settings = getScanappSettings()
+	if (!settings.scanRegionPreset && !settings.scanRegion) return {}
+	if (settings.scanRegionPreset === 'fullscreen' || (!settings.scanRegionPreset && settings.scanRegion?.fullScreen === true)) {
+		return { fullScreen: true }
+	}
+
+	const region = settings.scanRegion || {}
+	const width = clamp(region.width, 0.1, 1, DEFAULT_SCAN_REGION.width)
+	const height = clamp(region.height, 0.1, 1, DEFAULT_SCAN_REGION.height)
+	const centerX = clamp(region.centerX, 0, 1, DEFAULT_SCAN_REGION.centerX)
+	const minCenterY = Math.min(0.5, height / 2)
+	const centerY = clamp(region.centerY, minCenterY, 1 - minCenterY, DEFAULT_SCAN_REGION.centerY)
+	return { width, height, centerX, centerY }
+}