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Matias Alejo Garcia 2016-08-16 18:38:18 -03:00
commit b5023ae9e7
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10 changed files with 547 additions and 251 deletions
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172
src/js/controllers/modals/inputAmount.js
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'use strict';
angular.module('copayApp.controllers').controller('inputAmountController', function($rootScope, $scope, $filter, $timeout, $ionicScrollDelegate, profileService, platformInfo, lodash, configService, go, rateService) {
var unitToSatoshi;
var satToUnit;
var unitDecimals;
var satToBtc;
var self = $scope.self;
var SMALL_FONT_SIZE_LIMIT = 13;
var LENGTH_EXPRESSION_LIMIT = 19;
$scope.init = function() {
var config = configService.getSync().wallet.settings;
$scope.unitName = config.unitName;
$scope.alternativeIsoCode = config.alternativeIsoCode;
$scope.specificAmount = $scope.specificAlternativeAmount = '';
$scope.isCordova = platformInfo.isCordova;
unitToSatoshi = config.unitToSatoshi;
satToUnit = 1 / unitToSatoshi;
satToBtc = 1 / 100000000;
unitDecimals = config.unitDecimals;
processAmount($scope.amount);
$timeout(function() {
$ionicScrollDelegate.resize();
}, 100);
};
$scope.shareAddress = function(uri) {
if ($scope.isCordova) {
window.plugins.socialsharing.share(uri, null, null, null);
}
};
$scope.toggleAlternative = function() {
$scope.showAlternativeAmount = !$scope.showAlternativeAmount;
if ($scope.amount && isExpression($scope.amount)) {
var amount = evaluate(format($scope.amount));
$scope.globalResult = '= ' + processResult(amount);
}
};
function checkFontSize() {
if ($scope.amount && $scope.amount.length >= SMALL_FONT_SIZE_LIMIT) $scope.smallFont = true;
else $scope.smallFont = false;
};
$scope.pushDigit = function(digit) {
if ($scope.amount && $scope.amount.length >= LENGTH_EXPRESSION_LIMIT) return;
$scope.amount = ($scope.amount + digit).replace('..', '.');
checkFontSize();
processAmount($scope.amount);
};
$scope.pushOperator = function(operator) {
if (!$scope.amount || $scope.amount.length == 0) return;
$scope.amount = _pushOperator($scope.amount);
function _pushOperator(val) {
if (!isOperator(lodash.last(val))) {
return val + operator;
} else {
return val.slice(0, -1) + operator;
}
};
};
function isOperator(val) {
var regex = /[\/\-\+\x\*]/;
return regex.test(val);
};
function isExpression(val) {
var regex = /^\.?\d+(\.?\d+)?([\/\-\+\*x]\d?\.?\d+)+$/;
return regex.test(val);
};
$scope.removeDigit = function() {
$scope.amount = $scope.amount.slice(0, -1);
processAmount($scope.amount);
checkFontSize();
};
$scope.resetAmount = function() {
$scope.amount = $scope.alternativeResult = $scope.amountResult = $scope.globalResult = '';
checkFontSize();
};
function processAmount(val) {
if (!val) {
$scope.resetAmount();
return;
}
var formatedValue = format(val);
var result = evaluate(formatedValue);
if (lodash.isNumber(result)) {
$scope.globalResult = isExpression(val) ? '= ' + processResult(result) : '';
$scope.amountResult = $filter('formatFiatAmount')(toFiat(result));
$scope.alternativeResult = profileService.formatAmount(fromFiat(result) * unitToSatoshi, true);
}
};
function processResult(val) {
if ($scope.showAlternativeAmount)
return $filter('formatFiatAmount')(val);
else
return profileService.formatAmount(val.toFixed(unitDecimals) * unitToSatoshi, true);
};
function fromFiat(val) {
return parseFloat((rateService.fromFiat(val, $scope.alternativeIsoCode) * satToUnit).toFixed(unitDecimals), 10);
};
function toFiat(val) {
return parseFloat((rateService.toFiat(val * unitToSatoshi, $scope.alternativeIsoCode)).toFixed(2), 10);
};
function evaluate(val) {
var result;
try {
result = $scope.$eval(val);
} catch (e) {
return 0;
}
if (!lodash.isFinite(result)) return 0;
return result;
};
function format(val) {
var result = val.toString();
if (isOperator(lodash.last(val)))
result = result.slice(0, -1);
return result.replace('x', '*');
};
$scope.finish = function() {
var _amount = evaluate(format($scope.amount));
var amount = $scope.showAlternativeAmount ? fromFiat(_amount).toFixed(unitDecimals) : _amount.toFixed(unitDecimals);
var alternativeAmount = $scope.showAlternativeAmount ? _amount : toFiat(_amount);
if (amount % 1 == 0) amount = parseInt(amount);
if ($scope.addr) {
$scope.specificAmount = profileService.formatAmount(amount * unitToSatoshi, true);
$scope.specificAlternativeAmount = $filter('formatFiatAmount')(alternativeAmount);
if ($scope.unitName == 'bits') {
var amountSat = parseInt((amount * unitToSatoshi).toFixed(0));
amount = (amountSat * satToBtc).toFixed(8);
}
$scope.customizedAmountBtc = amount;
$timeout(function() {
$ionicScrollDelegate.resize();
}, 100);
} else {
$scope.sending = true;
$scope.sendingAmount = profileService.formatAmount(amount * unitToSatoshi, true);
$scope.sendingAlternativeAmount = $filter('formatFiatAmount')(alternativeAmount);
}
};
$scope.cancel = function() {
$scope.inputAmountModal.hide();
};
});