angular-cached-resource/lib/resource_cache_entry.js

An AngularJS module to interact with RESTful resources, even when browser is offline

// Generated by CoffeeScript 1.7.1
module.exports = function(providerParams) {
  var $log, Cache, ResourceCacheEntry;
  $log = providerParams.$log;
  Cache = require('./cache')(providerParams);
  return ResourceCacheEntry = (function() {
    ResourceCacheEntry.prototype.defaultValue = {};

    ResourceCacheEntry.prototype.cacheKeyPrefix = function() {
      return this.key;
    };

    ResourceCacheEntry.prototype.fullCacheKey = function() {
      return this.cacheKeyPrefix() + this.cacheKeyParams;
    };

    function ResourceCacheEntry(key, params) {
      var param, paramKeys;
      this.key = key;
      paramKeys = angular.isObject(params) ? Object.keys(params).sort() : [];
      if (paramKeys.length) {
        this.cacheKeyParams = '?' + ((function() {
          var _i, _len, _results;
          _results = [];
          for (_i = 0, _len = paramKeys.length; _i < _len; _i++) {
            param = paramKeys[_i];
            _results.push("" + param + "=" + params[param]);
          }
          return _results;
        })()).join('&');
      } else {
        this.cacheKeyParams = '';
      }
    }

    ResourceCacheEntry.prototype.load = function() {
      var _ref;
      _ref = Cache.getItem(this.fullCacheKey(), this.defaultValue), this.value = _ref.value, this.dirty = _ref.dirty;
      return this;
    };

    ResourceCacheEntry.prototype.set = function(value, dirty) {
      this.value = value;
      if (this.dirty && !dirty) {
        $log.error("unexpectedly setting a clean entry (load) over a dirty entry (pending write)");
      }
      this.dirty = dirty;
      return this._update();
    };

    ResourceCacheEntry.prototype.setClean = function() {
      this.dirty = false;
      return this._update();
    };

    ResourceCacheEntry.prototype._update = function() {
      return Cache.setItem(this.fullCacheKey(), {
        value: this.value,
        dirty: this.dirty
      });
    };

    return ResourceCacheEntry;

  })();
};