Resolution conflicts

src/js/services/send-flow-state.service.js

@@ -0,0 +1,142 @@
+'use strict';
+
+(function(){
+
+angular
+  .module('bitcoincom.services')
+  .factory('sendFlowStateService', sendFlowStateService);
+  
+  function sendFlowStateService($log) {
+
+    var service = {
+      // Variables
+      state: {
+        amount: 0,
+        displayAddress: null,
+        fromWalletId: '',
+        sendMax: false,
+        thirdParty: null,
+        toAddress: '',
+        toWalletId: '',
+        coin: '',
+        isRequestAmount: false,
+        isWalletTransfer: false
+      },
+      previousStates: [],
+
+      // Functions
+      init: init,
+      clear: clear,
+      getClone: getClone,
+      map: map,
+      pop: pop,
+      push: push,
+      isEmpty: isEmpty
+    };
+
+    return service;
+
+    /**
+     * Init state & stack
+     * @param {Object} params 
+     */
+    function init(params) {
+      $log.debug("send-flow-state init()");
+
+      clear();
+
+      if (params) {
+        push(params);
+      }
+    }
+
+    /**
+     * Clear a state & stack
+     */
+    function clear() {
+      $log.debug("send-flow-state clear()");
+
+      clearCurrent();
+      service.previousStates = [];
+    }
+
+    /**
+     * Clear current state only
+     */
+    function clearCurrent() {
+      $log.debug("send-flow-state clearCurrent()");
+
+      service.state = {
+        amount: 0,
+        displayAddress: null,
+        fromWalletId: '',
+        sendMax: false,
+        thirdParty: null,
+        toAddress: '',
+        toWalletId: '',
+        coin: '',
+        isRequestAmount: false,
+        isWalletTransfer: false
+      }
+    }
+
+    /**
+     * Get a clone of the current state
+     */
+    function getClone() {
+      var currentState = {};
+      Object.keys(service.state).forEach(function forCurrentParam(key) {
+        if (typeof service.state[key] !== 'function' && key !== 'previousStates') {
+          currentState[key] = service.state[key];
+        }
+      });
+      return currentState;
+    }
+
+    /**
+     * Fill in the current state from the params
+     * @param {Object} params 
+     */
+    function map(params) {
+      Object.keys(params).forEach(function forNewParam(key) {
+        service.state[key] = params[key];
+      });
+    }
+
+    /**
+     * Pop state
+     */
+    function pop() {
+      $log.debug('send-flow-state pop');
+
+      if (service.previousStates.length) {
+        var params = service.previousStates.pop();
+        clearCurrent();
+        map(params);
+      } else {
+        clear();
+      }
+    }
+
+    /**
+     * Push state
+     * @param {Object} params 
+     */
+    function push(params) {
+      $log.debug('send-flow-state push');
+
+      var currentParams = getClone();
+      service.previousStates.push(currentParams);
+      clearCurrent();
+      map(params);
+    }
+
+    /**
+     * Is empty stack
+     */
+    function isEmpty() {
+      return service.previousStates.length == 0;
+    }
+  };
+
+})();