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1
| /* globals FieldDB */
var FieldDBObject = require("./FieldDBObject").FieldDBObject;
var Q = require("q");
/**
* @class An array backed collection that can look up elements loosely based on id or label.
*
* @param {Object} options Optional json initialization object
* @property {String} primaryKey This is the optional attribute to look in the objects when doing a get or find
* @property {Boolean} inverted This is the optional parameter for whether the collection should be inserted from the bottom or the top of the collection
* @extends Object
* @tutorial tests/CollectionTest.js
*/
var Collection = function Collection(json) {
if (!this._fieldDBtype) {
this._fieldDBtype = "Collection";
}
this.debug("Constructing a collection");
if (!json) {
json = {};
}
/* accepts just an array in construction */
if (Object.prototype.toString.call(json) === "[object Array]") {
json = {
collection: json
};
}
// if (json && json.corpus) {
// this.corpus = json.corpus;
// }
for (var member in json) {
if (!json.hasOwnProperty(member) || member === "collection" /* set collection after all else has been set */ ) {
continue;
}
this[member] = json[member];
}
Iif (!this.primaryKey) {
var defaultKey = "id"; /*TODO try finding the key that exists in all objects if id doesnt exist? */
this.debug(" Using default primary key of " + defaultKey);
this.primaryKey = defaultKey;
}
if (json.collection) {
this.collection = json.collection;
}
this.debug(" array of length " + this.collection.length);
Object.apply(this, arguments);
};
Collection.notWorthSortingSize = 100;
/** @lends Collection.prototype */
Collection.prototype = Object.create(Object.prototype, {
constructor: {
value: Collection
},
fieldDBtype: {
get: function() {
return this._fieldDBtype;
},
set: function(value) {
if (value !== this.fieldDBtype) {
this.warn("Using type " + this.fieldDBtype + " when the incoming object was " + value);
}
}
},
/**
* Can be set to true to debug all collections, or false to debug no collections and true only on the instances of objects which
* you want to debug.
*
* @type {Boolean}
*/
debugMode: {
get: function() {
Eif (this.perObjectDebugMode === undefined) {
return false;
} else {
return this.perObjectDebugMode;
}
},
set: function(value) {
if (value === this.perObjectDebugMode) {
return;
}
if (value === null || value === undefined) {
delete this.perObjectDebugMode;
return;
}
this.perObjectDebugMode = value;
}
},
debug: {
value: function() {
return FieldDBObject.prototype.debug.apply(this, arguments);
}
},
verboseMode: {
get: function() {
if (this.perObjectVerboseMode === undefined) {
return false;
} else {
return this.perObjectVerboseMode;
}
},
set: function(value) {
if (value === this.perObjectVerboseMode) {
return;
}
if (value === null || value === undefined) {
delete this.perObjectVerboseMode;
return;
}
this.perObjectVerboseMode = value;
}
},
verbose: {
value: function() {
return FieldDBObject.prototype.verbose.apply(this, arguments);
}
},
bug: {
value: function() {
return FieldDBObject.prototype.bug.apply(this, arguments);
}
},
confirm: {
value: function() {
return FieldDBObject.prototype.confirm.apply(this, arguments);
}
},
warn: {
value: function() {
return FieldDBObject.prototype.warn.apply(this, arguments);
}
},
todo: {
value: function() {
return FieldDBObject.prototype.todo.apply(this, arguments);
}
},
render: {
value: function() {
return FieldDBObject.prototype.render.apply(this, arguments);
}
},
ensureSetViaAppropriateType: {
value: function() {
return FieldDBObject.prototype.ensureSetViaAppropriateType.apply(this, arguments);
}
},
application: {
get: function() {
return FieldDBObject.application;
}
},
collection: {
get: function() {
if (!this._collection) {
this._collection = [];
}
return this._collection;
},
set: function(value) {
if (value === this._collection || value === [] && this._collection === []) {
return;
}
if (!value || value.length === 0) {
this._collection = [];
return;
}
Iif (Object.prototype.toString.call(value) !== "[object Array]") {
this.bug("Cannot set collection to an object, only an array", value);
return;
// throw new Error("Cannot set collection to an object, only an array");
}
for (var itemIndex = 0; itemIndex < value.length; itemIndex++) {
var item = value[itemIndex];
Iif (!item) {
this.warn("item " + itemIndex + "is (" + item + ") undefined or empty, not adding it to the collection " + this.fieldDBtype, item);
} else {
this.add(item);
}
}
return this._collection;
}
},
getKeys: {
value: function() {
var self = this;
return this.collection.map(function(item) {
return self.getSanitizedDotNotationKey(item);
});
}
},
sorted: {
get: function() {
if (this.length && this.length < Collection.notWorthSortingSize && this._sorted) {
return true;
}
},
set: function(value) {
this._sorted = value;
//TODO if becoming sorted and worth sorting, do sort now
}
},
/**
* Loops through the collection (inefficiently, from start to end) to find
* something which matches.
* TODO add sorted option with faster search
*
* @param {String} arg1 If run with only one argument, this is the string to look for in the primary keys.
* @param {String} arg2 If run with two arguments, this is the string to look for in the first argument
* @param {Boolean} fuzzy If run with a truthy value, will do a somewhat fuzzy search for the string anywhere in the key TODO use a real fuzzy search library if available.
* @return {Array} An array of found items [] if none are found TODO decide if we want to return null instead of [] when there were no results.
*/
find: {
value: function(arg1, arg2, fuzzy) {
var results = [],
searchingFor,
optionalKeyToIdentifyItem,
sanitzedSearchingFor;
if (arg1 && arg2) {
searchingFor = arg2;
optionalKeyToIdentifyItem = arg1;
} else if (arg1 && !arg2) {
searchingFor = arg1;
}
optionalKeyToIdentifyItem = optionalKeyToIdentifyItem || this.primaryKey || "id";
// this.debug("find is searchingFor", searchingFor);
if (!searchingFor) {
return results;
}
if (Object.prototype.toString.call(searchingFor) === "[object Array]") {
this.bug("User is using find on an array... ths is best re-coded to use search or something else.", searchingFor);
this.todo("User is using find on an array... ths is best re-coded to use search or something else. Instead running find only on the first item in the array.");
searchingFor = searchingFor[0];
}
if (typeof searchingFor === "object" && !(searchingFor instanceof RegExp)) {
// this.debug("find is searchingFor an object", searchingFor);
if (Object.keys(searchingFor).length === 0) {
return results;
}
var key = searchingFor[this.primaryKey];
if (!key && this.INTERNAL_MODELS && this.INTERNAL_MODELS.item && typeof this.INTERNAL_MODELS.item === "function" && !(searchingFor instanceof this.INTERNAL_MODELS.item)) {
searchingFor = new this.INTERNAL_MODELS.item(searchingFor);
} else Iif (!key && !(searchingFor instanceof FieldDBObject)) {
searchingFor = new FieldDBObject(searchingFor);
} else Iif (!key) {
this.bug("This searchingFor is a object, and has no key. this is a problem. ", searchingFor);
}
key = searchingFor[this.primaryKey];
searchingFor = key;
// this.debug("find is searchingFor an object whose key is ", searchingFor);
}
if (this[searchingFor] && typeof this[searchingFor] !== "function") {
results.push(this[searchingFor]);
}
if (fuzzy) {
sanitzedSearchingFor = new RegExp(".*" + this.sanitizeStringForPrimaryKey(searchingFor) + ".*", "i");
searchingFor = new RegExp(".*" + searchingFor + ".*", "i");
this.debug("fuzzy ", searchingFor, sanitzedSearchingFor);
}
// this.debug("searching for somethign with indexOf", searchingFor);
if (!searchingFor || !searchingFor.test || typeof searchingFor.test !== "function") {
/* if not a regex, the excape it */
Eif (searchingFor && searchingFor.indexOf && searchingFor.indexOf("/") !== 0) {
searchingFor = FieldDBObject.regExpEscape(searchingFor);
}
searchingFor = new RegExp("^" + searchingFor + "$");
}
this.debug("searchingFor", searchingFor);
for (var index = 0; index < this.collection.length; index++) {
if (searchingFor.test(this.collection[index][optionalKeyToIdentifyItem])) {
// avoid having the same entry twice
if (!results[0] || results[0] !== this.collection[index]) {
results.push(this.collection[index]);
}
this.debug("Found a match ", results);
} else Iif (fuzzy && sanitzedSearchingFor.test(this.collection[index][optionalKeyToIdentifyItem])) {
if (!results[0] || results[0] !== this.collection[index]) {
results.push(this.collection[index]);
}
}
}
this.debug("Found total matches ", results.length);
// If this is fuzzy find and there are multiple matches, move the exact match first.
if (results && results.length > 1 && fuzzy) {
this.debug("lets look for the best result where " + optionalKeyToIdentifyItem + " = " + arg2, results.length);
for (var i = results.length - 1; i >= 0; i--) {
if (i !== 0 && results[i] && results[i][optionalKeyToIdentifyItem] === arg2) {
var bestMatch = results.splice(i);
this.debug("a pefect match ", bestMatch);
results.unshift(bestMatch[0]);
}
}
}
return results;
}
},
fuzzyFind: {
value: function(searchingFor, optionalKeyToIdentifyItem) {
return this.find(searchingFor, optionalKeyToIdentifyItem, true);
}
},
set: {
value: function(searchingFor, value, optionalKeyToIdentifyItem, optionalInverted) {
optionalKeyToIdentifyItem = optionalKeyToIdentifyItem || this.primaryKey || "id";
if (optionalInverted === null || optionalInverted === undefined) {
optionalInverted = this.inverted;
}
if (!searchingFor && value) {
//previously code in the add function
this.debug(" the constructor of this before casting it ");
value = FieldDBObject.convertDocIntoItsType(value);
this.debug(" checking the constructor of this after casting it ");
if (value &&
this.INTERNAL_MODELS &&
this.INTERNAL_MODELS.item &&
typeof this.INTERNAL_MODELS.item === "function" &&
!(value instanceof this.INTERNAL_MODELS.item) &&
value.constructor.toString() !== this.INTERNAL_MODELS.item.toString() &&
// value.constructor.toString().substring(9, 22) !== "FieldDBObject" &&
!(this.INTERNAL_MODELS.item.compatibleWithSimpleStrings && typeof value === "string")) {
// this.debug("adding a internamodel ", value);
// if (!this.INTERNAL_MODELS.item.fieldDBtype || this.INTERNAL_MODELS.item.fieldDBtype !== "Document") {
this.debug("casting an item to match the internal model which this collection requires ", this.INTERNAL_MODELS.item, value.constructor.toString());
if (typeof value.toJSON === "function") {
this.debug(" why defereincing this?");
// value = value.toJSON();
}
value = new this.INTERNAL_MODELS.item(value);
// } else {
// if (value.constructor === Object) {
// this.warn("this is going to be a FieldDBObject, even though its supposed to be in a collection of Documents.", value);
// value = new FieldDBObject(value);
// } else {
// this.warn("this is " + value[this.primaryKey] + " already some sort of an object: " + value.fieldDBtype);
// }
// }
} else {
this.debug(" item to set was already of the right type for " + this.fieldDBtype, value);
}
searchingFor = this.getSanitizedDotNotationKey(value);
if (!searchingFor) {
this.bug("The primary key `" + this.primaryKey + "` is undefined on this object, it cannot be added! ", value);
return;
// throw new Error("The primary key `" + this.primaryKey + "` is undefined on this object, it cannot be added! Type: " + value.fieldDBtype);
}
this.debug("adding " + searchingFor);
}
if (value && this[searchingFor] && (value === this[searchingFor] || (typeof this[searchingFor].equals === "function" && this[searchingFor].equals(value)))) {
this.debug("Not setting " + searchingFor + ", it was already the same in the collection");
return this[searchingFor];
}
Iif (value === null || value === undefined) {
this.remove(searchingFor, optionalKeyToIdentifyItem);
}
for (var index in this.collection) {
Iif (!this.collection.hasOwnProperty(index)) {
continue;
}
if (this.collection[index][optionalKeyToIdentifyItem] === searchingFor) {
this.debug("found a match in the _collection, ", this.collection[index].equals);
// this.collection[index].debugMode = true;
// value.debugMode = true;
Eif (this.collection[index] !== value ||
(typeof this.collection[index].equals === "function" && !this.collection[index].equals(value))
) {
Eif (typeof this.collection[index].merge === "function") {
this.warn("Merging an existing _collection member " + searchingFor + " at index " + index + " (they have the same key but are not equal, nor the same object) ");
this.collection[index].merge("self", value);
} else {
this.warn("Overwriting an existing _collection member " + searchingFor + " at index " + index + " (they have the same key but are not equal, nor the same object) ");
this.warn("Overwriting ", this.collection[index], "->", value);
this.collection[index] = value;
}
}
return this.collection[index];
}
}
/* if not a reserved attribute, set on object for dot notation access */
Eif (["collection", "primaryKey", "find", "set", "add", "inverted", "toJSON", "length", "encrypted", "confidential", "decryptedMode"].indexOf(searchingFor) === -1) {
this[searchingFor] = value;
/* also provide a case insensitive cleaned version if the key can be lower cased */
if (searchingFor && typeof searchingFor.toLowerCase === "function") {
this[searchingFor.toLowerCase().replace(/_/g, "")] = value;
}
} else {
this.warn("An item was added to the collection which has a reserved word for its key... dot notation will not work to retreive this object, but find() will work. ", value);
}
Eif (value && typeof value === "object") {
value.parent = this;
}
if (optionalInverted) {
this.collection.unshift(value);
} else {
this.collection.push(value);
}
return this[searchingFor];
// return value;
}
},
length: {
get: function() {
Eif (this.collection) {
return this.collection.length;
} else {
return 0;
}
}
},
primaryKey: {
get: function() {
this.debug(this.id + " getting collection prmary key " + this._primaryKey);
return this._primaryKey || "id";
},
set: function(value) {
this.debug(this.id + "setting collection prmary key " + this._primaryKey);
Eif (value) {
this._primaryKey = value;
}
}
},
/**
* This function should be used when trying to access a member using its id
*
* Originally we used this for import to create datum field labels: .replace(/[-""+=?./\[\]{}() ]/g,"")
*
* @param {Object} member An object of the type of objects in this collection
* @return {String} The value of the primary key which is save to use as dot notation
*/
getSanitizedDotNotationKey: {
value: function(member) {
Iif (!this.primaryKey) {
this.bug("The primary key of this collection " + this.id + " is undefined, nothing can be added!", this);
return;
// throw new Error("The primary key of this collection " + this.id + " is undefined, nothing can be added!").stack;
}
var value = member[this.primaryKey];
if (!value) {
this.warn("This object is missing a value for the primary key " + this.primaryKey + "...not adding it because it will be hard to find in the collection.");
this.debug(" not adding: ", member);
return;
}
if (typeof value.trim === "function") {
value = value.trim();
}
var oldValue = value;
value = this.sanitizeStringForPrimaryKey(value);
if (value !== oldValue && this.fieldDBtype !== "DatumStates") {
this.debug("The sanitized the dot notation key of this object is not the same as its primaryKey: " + oldValue + " -> " + value);
}
return value;
}
},
/**
* Adds to the bottom of the collection
*
* @param {Object} value a simple object, and/or an array of objects or items of the type of this collection.
* @return {Array} returns a reference to the added item(s)
*/
add: {
value: function(value) {
if (value && Object.prototype.toString.call(value) === "[object Array]") {
for (var itemIndex = 0; itemIndex < value.length; itemIndex++) {
value[itemIndex] = this.add(value[itemIndex]);
}
return value;
}
return this.set(null, value);
}
},
concat: {
value: function(anotherCollection) {
if (anotherCollection && anotherCollection._collection) {
return this.add(anotherCollection._collection);
}
if (!anotherCollection) {
return this;
}
this.add(anotherCollection);
return this;
}
},
push: {
value: function(value) {
// self.debug(this.collectioan);
return this.set(null, value, null, false);
}
},
unshift: {
value: function(value) {
return this.set(null, value, null, true);
}
},
pop: {
value: function() {
Iif (!this._collection || this._collection.length < 1) {
return;
}
var removed = this._collection.pop();
Iif (!removed) {
return;
}
var key = this.getSanitizedDotNotationKey(removed);
Iif (!key) {
this.warn("This item had no primary key, it will only be removed from the collection. ", removed);
}
Eif (this[key]) {
this.debug("removed dot notation for ", key);
delete this[key];
}
key = key + "";
Eif (this[key.toLowerCase().replace(/_/g, "")]) {
this.debug("removed dot notation for ", key.toLowerCase().replace(/_/g, ""));
delete this[key.toLowerCase().replace(/_/g, "")];
}
return removed;
}
},
shift: {
value: function() {
Iif (!this._collection || this._collection.length < 1) {
return;
}
var removed = this._collection.shift();
Iif (!removed) {
return;
}
var key = this.getSanitizedDotNotationKey(removed);
Iif (!key) {
this.warn("This item had no primary key, it will only be removed from the collection. ", removed);
}
Eif (this[key]) {
this.debug("removed dot notation for ", key);
delete this[key];
}
key = key + "";
Eif (this[key.toLowerCase().replace(/_/g, "")]) {
this.debug("removed dot notation for ", key.toLowerCase().replace(/_/g, ""));
delete this[key.toLowerCase().replace(/_/g, "")];
}
return removed;
}
},
remove: {
value: function(requestedRemoveFor, optionalKeyToIdentifyItem) {
Iif (optionalKeyToIdentifyItem) {
this.todo("remove optionalKeyToIdentifyItem " + optionalKeyToIdentifyItem);
}
var removed = [],
itemIndex,
key,
searchingFor = [],
self = this;
if (Object.prototype.toString.call(requestedRemoveFor) !== "[object Array]") {
requestedRemoveFor = [requestedRemoveFor];
}
// Look for the real item(s) in the collection
requestedRemoveFor.map(function(requestedRemoveItem) {
searchingFor = searchingFor.concat(self.find(requestedRemoveItem));
});
this.debug("requested remove of ", searchingFor);
if (searchingFor.length === 0) {
this.warn("Didn't need to remove object(s) which were not in the collection.");
return removed;
}
/*
* For every item, delete the dot reference to it
*/
for (itemIndex = 0; itemIndex < searchingFor.length; itemIndex++) {
Iif (!searchingFor[itemIndex] || searchingFor[itemIndex] === {}) {
this.debug("skipping ", searchingFor[itemIndex]);
continue;
}
key = this.getSanitizedDotNotationKey(searchingFor[itemIndex]);
Iif (!key) {
this.warn("This item had no primary key, it will only be removed from the collection. ", searchingFor[itemIndex]);
}
if (this[key]) {
this.debug("removed dot notation for ", key);
delete this[key];
}
key = key + "";
if (this[key.toLowerCase().replace(/_/g, "")]) {
this.debug("removed dot notation for ", key.toLowerCase().replace(/_/g, ""));
delete this[key.toLowerCase().replace(/_/g, "")];
}
}
/*
* For every item in the collection, if it matches, remove it from the collection
*/
for (itemIndex = this.collection.length - 1; itemIndex >= 0; itemIndex--) {
if (searchingFor.indexOf(this.collection[itemIndex]) > -1 && removed.indexOf(this.collection[itemIndex]) === -1) {
var thisremoved = this.collection.splice(itemIndex, 1);
removed = removed.concat(thisremoved);
// Find out if each removed item was requested
for (var removedIndex = 0; removedIndex < thisremoved.length; removedIndex++) {
if (typeof requestedRemoveFor[0] === "object" && typeof thisremoved[removedIndex].equals === "function") {
var itMatches = false;
for (var requestedIndex = 0; requestedIndex < requestedRemoveFor.length; requestedIndex++) {
if (thisremoved[removedIndex].equals(requestedRemoveFor[requestedIndex])) {
itMatches = true;
}
}
if (!itMatches) {
this.warn("One of the requested removal items doesnt match exactly what was removed ");
this.debug("One of the requested removal items doesnt match exactly ", requestedRemoveFor, "-> ", thisremoved[removedIndex]);
}
}
}
}
}
Iif (removed.length === 0) {
this.warn("Didn't remove object(s) which were not in the collection.", searchingFor);
}
this.removedCollection = this.removedCollection || [];
this.removedCollection = this.removedCollection.concat(removed);
return removed;
}
},
indexOf: {
value: function(doc) {
Iif (!this._collection || this.collection.length === 0) {
return -1;
}
for (var docIndex = 0; docIndex < this._collection.length; docIndex++) {
var key = doc[this.primaryKey];
if (!key) {
doc = this.find(doc);
if (doc && doc.length > 0) {
doc = doc[0];
} else {
return -1;
}
key = doc[this.primaryKey];
}
if (this._collection[docIndex][this.primaryKey] === key) {
return docIndex;
}
}
return -1;
}
},
get: {
value: function(index) {
Iif (index === undefined || index === null || !this._collection) {
return;
}
return this._collection[index];
}
},
reorder: {
value: function(old_index, new_index) {
if (typeof old_index === "object") {
old_index = this.indexOf(old_index);
}
Iif (new_index >= this._collection.length) {
var k = new_index - this._collection.length;
while ((k--) + 1) {
this._collection.push(undefined);
}
}
this._collection.splice(new_index, 0, this._collection.splice(old_index, 1)[0]);
}
},
unsaved: {
get: function() {
for (var itemIndex = this._collection.length - 1; itemIndex >= 0; itemIndex--) {
if (this._collection[itemIndex].unsaved) {
this._unsaved = true;
return this._unsaved;
}
}
this._unsaved = false;
return this._unsaved;
},
set: function(value) {
this._unsaved = !!value;
}
},
// calculateUnsaved: {
// value: function() {
// var previous = new this.constructor(this.fossil);
// var current = new this.constructor(this);
// if (previous.equals(current)) {
// this.warn("The " + this.fieldDBtype + "collection didnt actually change. Not marking as editied");
// this._unsaved = false;
// } else {
// this._unsaved = true;
// }
// return this._unsaved;
// }
// },
save: {
value: function(optionalUserWhoSaved, saveEvenIfSeemsUnchanged, optionalUrl) {
var deferred = Q.defer(),
self = this,
promises = [];
this.saving = true;
this.whenReady = deferred.promise;
this.map(function(item) {
self.debug("saving ", item);
Eif (item) {
promises.push(item.save(optionalUserWhoSaved, saveEvenIfSeemsUnchanged, optionalUrl));
} else {
console.log("not saving this item", item);
}
});
this.warn("Saving " + promises.length + " items out of a collection with " + this.length + " items.");
Q.allSettled(promises).done(function(results) {
self.warn("Saved a collection", results.length);
// self.debug(results);
self.saving = false;
deferred.resolve(self);
return self;
});
// .then(function(results) {
// self.warn("Saved a collection", results.length);
// // self.debug(results);
// self.saving = false;
// deferred.resolve(self);
// return self;
// }, function(results) {
// self.warn("Saved a collection,", results.length);
// // self.debug(results);
// self.saving = false;
// deferred.resolve(self);
// return self;
// }).fail(function(error) {
// console.error(error.stack, self);
// deferred.reject(error);
// });
return deferred.promise;
}
},
toJSON: {
value: function(includeEvenEmptyAttributes, removeEmptyAttributes) {
var self = this;
var json = this._collection.map(function(item) {
Eif (typeof item.toJSON === "function") {
self.debug("This item has a toJSON, which we will call instead");
return item.toJSON(includeEvenEmptyAttributes, removeEmptyAttributes);
} else {
return item;
}
});
return json;
}
},
/**
* Creates a deep copy of the object (not a reference)
* @return {Object} a near-clone of the objcet
*/
clone: {
value: function(includeEvenEmptyAttributes) {
var self = this;
var collection = this._collection.map(function(item) {
Eif (typeof item.clone === "function") {
self.debug("This item has a clone, which we will call instead");
return item.clone(includeEvenEmptyAttributes);
} else {
return JSON.parse(JSON.stringify(item));
}
});
var json = {
primaryKey: this.primaryKey,
collection: collection,
capitalizeFirstCharacterOfPrimaryKeys: this.capitalizeFirstCharacterOfPrimaryKeys
};
var newInstance = new this.constructor(json);
newInstance.corpus = this.corpus;
return newInstance;
}
},
filter: {
get: function() {
Eif (this._collection && typeof this._collection.filter === "function") {
var self = this;
return function(callback) {
return this._collection.filter.apply(self._collection, [callback]);
};
} else {
return undefined;
}
}
},
forEach: {
get: function() {
if (this._collection && typeof this._collection.forEach === "function") {
var self = this;
return function(callback) {
return this._collection.forEach.apply(self._collection, [callback]);
};
} else {
return undefined;
}
}
},
map: {
get: function() {
Eif (this._collection && typeof this._collection.map === "function") {
var self = this;
return function(callback) {
return this._collection.map.apply(self._collection, [callback]);
};
} else {
return undefined;
}
}
},
/**
* Cleans a value to be safe for a file system or the key of a hash
*
* @param String value the potential primary key to be cleaned
* @return String the value cleaned and safe as a primary key
*/
sanitizeStringForPrimaryKey: {
value: function(value) {
this.debug("sanitizeStringForPrimaryKey " + value);
Iif (!value) {
return null;
}
value = FieldDBObject.prototype.sanitizeStringForFileSystem.apply(this, arguments);
if (value && value.trim) {
value = this.camelCased(value);
}
return value;
}
},
capitalizeFirstCharacterOfPrimaryKeys: {
value: {
get: function() {
if (this._capitalizeFirstCharacterOfPrimaryKeys === undefined) {
return false;
}
return this._capitalizeFirstCharacterOfPrimaryKeys;
},
set: function(value) {
this._capitalizeFirstCharacterOfPrimaryKeys = value;
}
}
},
camelCased: {
value: function(value) {
Iif (!value) {
return null;
}
Eif (value.replace) {
value = value.replace(/_([a-zA-Z])/g, function(word) {
return word[1].toUpperCase();
});
if (this.capitalizeFirstCharacterOfPrimaryKeys) {
value = value[0].toUpperCase() + value.substring(1, value.length);
} else {
value = value[0].toLowerCase() + value.substring(1, value.length);
}
}
return value;
}
},
equals: {
value: function(anotherCollection) {
Iif (!anotherCollection) {
return false;
}
Iif (!this._collection && !anotherCollection._collection) {
return true;
}
Iif (!this._collection || !anotherCollection._collection) {
return false;
}
if (this._collection.length !== anotherCollection._collection.length) {
return false;
}
// this.debugMode = true;
for (var itemIndex = this._collection.length - 1; itemIndex >= 0; itemIndex--) {
var itemInThisCollection = this._collection[itemIndex];
var itemInAnotherCollection = anotherCollection.find(itemInThisCollection[anotherCollection.primaryKey])[0];
this.debug("Are these equal ", itemInThisCollection, itemInAnotherCollection);
// itemInThisCollection.debugMode = true;
if (!itemInThisCollection.equals(itemInAnotherCollection)) {
return false;
}
}
// this.debugMode = false;
return true;
}
},
merge: {
value: function(callOnSelf, anotherCollection, optionalOverwriteOrAsk) {
var aCollection,
resultCollection,
overwrite,
localCallOnSelf,
self = this;
if (callOnSelf === "self") {
this.debug("Merging into myself. ");
aCollection = this;
} else {
aCollection = callOnSelf;
}
resultCollection = this;
if (!optionalOverwriteOrAsk) {
optionalOverwriteOrAsk = "";
}
Iif (!anotherCollection || anotherCollection.length === 0) {
this.debug("The new collection was empty, not merging.", anotherCollection);
return resultCollection;
}
if (!(anotherCollection instanceof aCollection.constructor) || anotherCollection.constructor.toString() !== aCollection.constructor.toString()) {
this.debug("The anotherCollection isnt of the same type as aCollection ", aCollection.constructor, anotherCollection.constructor);
anotherCollection = new aCollection.constructor(anotherCollection);
} else {
this.debug("The anotherCollection is the same type as aCollection ", aCollection.constructor, anotherCollection.constructor);
}
aCollection._collection.map(function(anItem) {
var idToMatch = anItem[aCollection.primaryKey].toLowerCase();
var anotherItem = anotherCollection[idToMatch];
var resultItem = resultCollection[idToMatch];
if (!resultItem && typeof anItem.constructor === "function") {
self.debug("Cloning into anItem into a fielddbObjects ifits not one already");
var json = anItem.toJSON ? anItem.toJSON() : anItem;
resultItem = FieldDBObject.convertDocIntoItsType(json);
var existingInCollection = resultCollection.find(resultItem);
if (existingInCollection.length === 0) {
self.debug("This item wasnt in the result collection yet, adding it.", resultItem);
resultItem = resultCollection.add(resultItem);
} else {
resultItem = existingInCollection[0];
self.debug("resultItem was already in the resultCollection ", existingInCollection, resultItem);
}
}
if (anItem !== aCollection[idToMatch]) {
// TODO why was this bug, then warn, and now showing for every context?
// self.warn(" Looking at an anItem that should have matched the aCollection's member of " + idToMatch);
self.debug(" Looking at an an Item that doesnt match the aCollection's member of " + idToMatch, anItem, aCollection[idToMatch]);
}
if (anotherItem === undefined) {
// no op, the new one isn't set
self.debug(idToMatch + " was missing in new collection");
} else if (resultItem === anotherItem || (typeof resultItem.equals === "function" && resultItem.equals(anotherItem))) {
// no op, they are equal enough
self.debug(idToMatch + " were equal.", anItem, anotherItem);
} else Iif (!anItem || anItem === [] || anItem.length === 0 || anItem === {}) {
self.debug(idToMatch + " was previously empty, taking the new value");
resultCollection[idToMatch] = anotherItem;
} else {
// if two arrays: concat
Iif (Object.prototype.toString.call(anItem) === "[object Array]" && Object.prototype.toString.call(anotherItem) === "[object Array]") {
self.debug(idToMatch + " was an array, concatinating with the new value", anItem, " ->", anotherItem);
resultItem = anItem.concat(anotherItem);
//TODO unique it?
self.debug(" ", resultItem);
} else {
// if two fielddbObjects: recursively merge
Eif (typeof resultItem.merge === "function") {
if (callOnSelf === "self") {
localCallOnSelf = callOnSelf;
} else {
localCallOnSelf = anItem;
}
self.debug("Requesting merge of internal property " + idToMatch + " using method: " + localCallOnSelf);
var result = resultItem.merge(localCallOnSelf, anotherItem, optionalOverwriteOrAsk);
self.debug("after internal merge ", result);
// resultCollection[idToMatch] = resultItem;
self.debug("after internal merge ", resultItem);
} else {
overwrite = optionalOverwriteOrAsk;
if (optionalOverwriteOrAsk.indexOf("overwrite") === -1) {
// overwrite = self.confirm("Do you want to overwrite " + idToMatch);
self.confirm(this.id + " I found a conflict for " + idToMatch + ", Do you want to overwrite it from " + JSON.stringify(anItem) + " -> " + JSON.stringify(anotherItem))
.then(function() {
self.debug("Overwriting contents of " + idToMatch + " (this may cause disconnection in listeners)");
self.debug("Overwriting ", anItem, " ->", anotherItem);
resultCollection[idToMatch] = anotherItem;
}, function() {
self.debug("Not Overwriting ", anItem, " ->", anotherItem);
resultCollection[idToMatch] = anItem;
}).fail(function(error) {
console.error(error.stack, self);
});
} else {
self.debug("Overwriting contents of " + idToMatch + " (this may cause disconnection in listeners)");
self.debug("Overwriting ", anItem, " ->", anotherItem);
resultCollection[idToMatch] = anotherItem;
}
}
}
}
});
Eif (anotherCollection._collection && typeof anotherCollection._collection.map === "function") {
anotherCollection._collection.map(function(anotherItem) {
var idToMatch = anotherItem[aCollection.primaryKey];
var anItem = aCollection[idToMatch];
// var resultItem = resultCollection[idToMatch];
if (anotherItem !== anotherCollection[idToMatch]) {
// self.debug(" Looking at an anItem that doesnt match the anotherCollection's member of " + idToMatch);
self.debug(" Looking at an anItem that doesnt match the anotherCollection's member of " + idToMatch, anotherItem, anotherCollection[idToMatch]);
}
if (anItem === undefined) {
self.debug(idToMatch + " was missing in target, adding it");
var existingInCollection = resultCollection.find(anotherItem);
if (existingInCollection.length === 0) {
resultCollection.add(anotherItem);
} else {
anotherItem = existingInCollection[0];
self.debug("anotherItem was already in the resultCollection ", existingInCollection, anotherItem);
}
} else Iif (anotherItem === undefined) {
// no op, the new one isn't set
self.debug(idToMatch + " was oddly undefined");
resultCollection[idToMatch] = anItem;
} else if (anItem === anotherItem || (typeof anItem.equals === "function" && anItem.equals(anotherItem))) {
// no op, they are equal enough
// self.debug(idToMatch + " were equal.", anItem, anotherItem);
resultCollection[idToMatch] = anItem;
} else Iif (!anotherItem || anotherItem === [] || anotherItem.length === 0 || anotherItem === {}) {
self.warn(idToMatch + " was empty in the new collection, so it was replaced with an empty anItem.");
resultCollection[idToMatch] = anotherItem;
} else {
// both exist and are not equal, and so have already been merged above.
self.debug(idToMatch + " existed in both and are not equal, and so have already been merged above.");
}
});
}
return resultCollection;
}
},
encrypted: {
get: function() {
return;
},
set: function(value) {
Eif (this._collection) {
Iif (this._collection.map === undefined) {
this.warn("This collection isn't an array, this is odd", this);
}
this._collection.map(function(item) {
item.encrypted = value;
});
}
}
},
confidential: {
get: function() {
return;
},
set: function(value) {
Eif (this._collection) {
Iif (this._collection.map === undefined) {
this.warn("This collection isn't an array, this is odd", this);
}
this._collection.map(function(item) {
item.confidential = value;
});
}
}
},
decryptedMode: {
get: function() {
if (this.application) {
return this.application.decryptedMode;
}
// if not running in an app, dont need to demonstrate a mask the data if its decryptable
return this._decryptedMode;
},
set: function(value) {
Iif (this.application) {
this.application.decryptedMode = value;
} else {
this._decryptedMode = value;
this._collection.map(function(item) {
item.decryptedMode = value;
});
}
}
},
corpus: {
get: function() {
var db = null;
// this.debugMode = true;
if (this._corpus) {
db = this._corpus;
this.debug("this " + this._id + " has a _corpus hard coded inside it, using it.", db);
} else Iif (FieldDBObject.application && FieldDBObject.application._corpus) {
db = FieldDBObject.application._corpus;
this.debug("this " + this._id + " is running in the context where FieldDBObject.application._corpus is defined, using it.", db);
} else {
try {
Eif (FieldDB && FieldDB["Database"]) {
// db = FieldDB["Database"].prototype;
this.debug(" using the Database.prototype to run db calls for " + this._id + ", this could be problematic " + this._id + " .");
this.debug(" the database", db);
}
} catch (e) {
var message = e ? e.message : " unknown error in getting the corpus";
if (message !== "FieldDB is not defined") {
this.warn(this._id + "Cant get the corpus, cant find the Database class.", e);
if (e) {
this.warn(" stack trace" + e.stack);
}
}
}
}
if (!db) {
this.warn("Operations that need a corpus/database wont work for the " + this._id + " object");
}
return db;
},
set: function(value) {
Iif (value && value.dbname && this.dbname && value.dbname !== this.dbname) {
this.warn("The corpus " + value.db + " cant be set on this item, its db is different" + this.dbname);
return;
}
this.debug("setting corpus ", value);
this._corpus = value;
}
},
dbname: {
get: function() {
return;
},
set: function(value) {
if (this._collection) {
Iif (this._collection.map === undefined) {
this.warn("This collection isn't an array, this is odd", this);
}
this._collection.map(function(item) {
item.dbname = value;
});
}
}
},
INTERNAL_MODELS: {
value: {
item: FieldDBObject
}
}
});
exports.Collection = Collection;
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