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builders.js
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builders.js
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// Copyright 2012-2017 (c) Peter Širka <[email protected]>
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
/**
* @module FrameworkBuilders
* @version 2.9.2
*/
'use strict';
const REQUIRED = 'The field "@" is invalid.';
const DEFAULT_SCHEMA = 'default';
const SKIP = { $$schema: true, $$result: true, $$callback: true, $$async: true, $$index: true, $$repository: true, $$can: true, $$controller: true };
const REGEXP_CLEAN_EMAIL = /\s/g;
const REGEXP_CLEAN_PHONE = /\s|\.|-|\(|\)/g;
const REGEXP_NEWOPERATION = /^function(\s)?\([a-zA-Z0-9$]+\)|^function anonymous\(\$/;
const hasOwnProperty = Object.prototype.hasOwnProperty;
const Qs = require('querystring');
var schemas = {};
var operations = {};
var transforms = { pagination: {}, error: {}, transformbuilder: {}, restbuilder: {} };
function SchemaBuilder(name) {
this.name = name;
this.collection = {};
}
function SchemaOptions(error, model, options, callback, controller) {
this.error = error;
this.value = this.model = model;
this.options = options;
this.callback = this.next = callback;
this.controller = controller;
}
SchemaOptions.prototype = {
get user() {
return this.controller ? this.controller.user : null;
},
get session() {
return this.controller ? this.controller.session : null;
},
get language() {
return (this.controller ? this.controller.language : '') || '';
},
get ip() {
return this.controller ? this.controller.ip : null;
},
get id() {
return this.controller ? this.controller.id : null;
},
get params() {
return this.controller ? this.controller.params : null;
},
get files() {
return this.controller ? this.controller.files : null;
},
get body() {
return this.controller ? this.controller.body : null;
},
get query() {
return this.controller ? this.controller.query : null;
}
};
SchemaOptions.prototype.DB = function() {
return F.database(this.error);
};
SchemaOptions.prototype.success = function(a, b) {
if (a && b === undefined && typeof(a) !== 'boolean') {
b = a;
a = true;
}
this.callback(SUCCESS(a === undefined ? true : a, b));
return this;
};
SchemaOptions.prototype.done = function(arg) {
var self = this;
return function(err, response) {
if (err && !(err instanceof ErrorBuilder)) {
self.error.push(err);
self.callback();
}
if (arg)
self.callback(SUCCESS(err == null, response));
else
self.callback(SUCCESS(err == null));
};
};
SchemaOptions.prototype.invalid = function(name, error, path, index) {
this.error.push(name, error, path, index);
this.callback();
return this;
};
SchemaOptions.prototype.repository = function(name, value) {
return this.model && this.model.$repository ? this.model.$repository(name, value) : value;
};
/**
*
* Get a schema
* @param {String} name
* @return {Object}
*/
SchemaBuilder.prototype.get = function(name) {
return this.collection[name];
};
/**
* Create a new schema
* @alias
* @return {SchemaBuilderEntity}
*/
SchemaBuilder.prototype.create = function(name) {
this.collection[name] = new SchemaBuilderEntity(this, name);
return this.collection[name];
};
/**
* Removes an existing schema or group of schemas
* @param {String} name Schema name, optional.
* @return {SchemaBuilder}
*/
SchemaBuilder.prototype.remove = function(name) {
if (name) {
var schema = this.collection[name];
schema && schema.destroy();
schema = null;
delete this.collection[name];
} else {
delete schemas[this.name];
this.collection = null;
}
};
SchemaBuilder.prototype.destroy = function(name) {
return this.remove(name);
};
function SchemaBuilderEntity(parent, name) {
this.parent = parent;
this.name = name;
this.primary;
this.trim = true;
this.schema = {};
this.meta = {};
this.properties = [];
this.inherits = [];
this.resourcePrefix;
this.resourceName;
this.transforms;
this.workflows;
this.hooks;
this.operations;
this.constants;
this.onPrepare;
this.$onPrepare; // Array of functions for inherits
this.onDefault;
this.$onDefault; // Array of functions for inherits
this.onValidate = F.onValidate;
this.onSave;
this.onGet;
this.onRemove;
this.onQuery;
this.onError;
this.gcache = {};
this.dependencies;
this.fields;
this.fields_allow;
this.CurrentSchemaInstance = function(){};
this.CurrentSchemaInstance.prototype = new SchemaInstance();
this.CurrentSchemaInstance.prototype.$$schema = this;
}
SchemaBuilderEntity.prototype.allow = function() {
var self = this;
if (!self.fields_allow)
self.fields_allow = [];
for (var i = 0, length = arguments.length; i < length; i++) {
if (arguments[i] instanceof Array)
arguments[i].forEach(item => self.fields_allow.push(item));
else
self.fields_allow.push(arguments[i]);
}
return self;
};
SchemaBuilderEntity.prototype.required = function(name, fn) {
var self = this;
if (!name)
return self;
if (name.indexOf(',') !== -1) {
var arr = name.split(',');
for (var i = 0; i < arr.length; i++)
self.required(arr[i].trim(), fn);
return self;
}
if (fn === false) {
self.properties && (self.properties = self.properties.remove(name));
return self;
}
var prop = self.schema[name];
if (!prop)
throw new Error('Property "{0}" doesn\'t exist in "{1}" schema.'.format(name, self.name));
prop.can = typeof(fn) === 'function' ? fn : null;
if (!prop.required) {
prop.required = true;
if (self.properties) {
self.properties.indexOf(name) === -1 && self.properties.push(name);
} else
self.properties = [name];
}
return self;
};
/**
* Define type in schema
* @param {String|String[]} name
* @param {Object/String} type
* @param {Boolean} [required=false] Is required? Default: false.
* @param {Number|String} [custom] Custom tag for search.
* @return {SchemaBuilder}
*/
SchemaBuilderEntity.prototype.define = function(name, type, required, custom) {
if (name instanceof Array) {
for (var i = 0, length = name.length; i < length; i++)
this.define(name[i], type, required, custom);
return this;
}
var rt = typeof(required);
if (required !== undefined && rt === 'string') {
custom = required;
required = false;
}
if (type instanceof SchemaBuilderEntity)
type = type.name;
this.schema[name] = this.$parse(name, type, required, custom);
switch (this.schema[name].type) {
case 7:
if (this.dependencies)
this.dependencies.push(name);
else
this.dependencies = [name];
break;
}
this.fields = Object.keys(this.schema);
if (required) {
if (this.properties == null)
this.properties = [];
this.properties.indexOf(name) === -1 && this.properties.push(name);
}
return this;
};
SchemaBuilderEntity.prototype.inherit = function(group, name) {
if (!name) {
name = group;
group = DEFAULT_SCHEMA;
}
var self = this;
exports.getschema(group, name, function(err, schema) {
if (err)
throw err;
self.primary = schema.primary;
self.inherits.push(schema);
if (!self.resourceName && schema.resourceName)
self.resourceName = schema.resourceName;
if (!self.resourcePrefix && schema.resourcePrefix)
self.resourcePrefix = schema.resourcePrefix;
copy_inherit(self, 'schema', schema.schema);
copy_inherit(self, 'meta', schema.meta);
copy_inherit(self, 'transforms', schema.transforms);
copy_inherit(self, 'workflows', schema.workflows);
copy_inherit(self, 'hooks', schema.hooks);
copy_inherit(self, 'operations', schema.operations);
copy_inherit(self, 'constants', schema.constants);
schema.properties.forEach(function(item) {
self.properties.indexOf(item) === -1 && self.properties.push(item);
});
if (schema.onPrepare) {
if (!self.$onPrepare)
self.$onPrepare = [];
self.$onPrepare.push(schema.onPrepare);
}
if (schema.onDefault) {
if (!self.$onDefault)
self.$onDefault = [];
self.$onDefault.push(schema.onDefault);
}
if (self.onValidate === F.onValidate && self.onValidate !== schema.onValidate)
self.onValidate = schema.onValidate;
if (!self.onSave && schema.onSave)
self.onSave = schema.onSave;
if (!self.onGet && schema.onGet)
self.onGet = schema.onGet;
if (!self.onRemove && schema.onRemove)
self.onRemove = schema.onRemove;
if (!self.onQuery && schema.onQuery)
self.onQuery = schema.onQuery;
if (!self.onError && schema.onError)
self.onError = schema.onError;
self.fields = Object.keys(self.schema);
});
return self;
};
function copy_inherit(schema, field, value) {
if (!value)
return;
if (value && !schema[field]) {
schema[field] = framework_utils.clone(value);
return;
}
Object.keys(value).forEach(function(key) {
if (schema[field][key] === undefined)
schema[field][key] = framework_utils.clone(value[key]);
});
}
/**
* Set primary key
* @param {String} name
*/
SchemaBuilderEntity.prototype.setPrimary = function(name) {
this.primary = name;
return this;
};
/**
* Filters current names of the schema via custom attribute
* @param {Number/String} custom
* @param {Object} model Optional
* @param {Boolean} reverse Reverse results.
* @return {Array|Object} Returns Array (with property names) if the model is undefined otherwise returns Object Name/Value.
*/
SchemaBuilderEntity.prototype.filter = function(custom, model, reverse) {
if (typeof(model) === 'boolean') {
var tmp = reverse;
reverse = model;
model = tmp;
}
var output = model === undefined ? [] : {};
var type = typeof(custom);
var isSearch = type === 'string' ? custom[0] === '*' || custom[0] === '%' : false;
var isReg = false;
if (isSearch)
custom = custom.substring(1);
else if (type === 'object')
isReg = framework_utils.isRegExp(custom);
for (var prop in this.schema) {
var schema = this.schema[prop];
if (!schema)
continue;
var tv = typeof(schema.custom);
if (isSearch) {
if (tv === 'string') {
if (schema.custom.indexOf(custom) === -1) {
if (!reverse)
continue;
} else if (reverse)
continue;
} else
continue;
} else if (isReg) {
if (tv === 'string') {
if (!custom.test(schema.current)) {
if (!reverse)
continue;
} else if (reverse)
continue;
} else
continue;
} else if (schema.custom !== custom) {
if (!reverse)
continue;
} else if (reverse)
continue;
if (model === undefined)
output.push(prop);
else
output[prop] = model[prop];
}
return output;
};
function parseLength(lower, result) {
result.raw = 'string';
var beg = lower.indexOf('(');
if (beg !== -1) {
result.length = lower.substring(beg + 1, lower.length - 1).parseInt();
result.raw = lower.substring(0, beg);
}
return result;
}
SchemaBuilderEntity.prototype.$parse = function(name, value, required, custom) {
var type = typeof(value);
var result = {};
result.raw = value;
result.type = 0;
result.length = 0;
result.required = required ? true : false;
result.validate = typeof(required) === 'function' ? required : null;
result.can = null;
result.isArray = false;
result.custom = custom || '';
// 0 = undefined
// 1 = integer
// 2 = float
// 3 = string
// 4 = boolean
// 5 = date
// 6 = object
// 7 = custom object
if (value === null)
return result;
if (value === '[]') {
result.isArray = true;
return result;
}
if (type === 'function') {
if (value === Number) {
result.type = 2;
return result;
}
if (value === String) {
result.type = 3;
return result;
}
if (value === Boolean) {
result.type = 4;
return result;
}
if (value === Date) {
result.type = 5;
return result;
}
if (value === Array) {
result.isArray = true;
return result;
}
if (value === Object) {
result.type = 6;
return result;
}
return result;
}
if (type === 'object') {
if (value instanceof Array) {
result.type = 8; // enum
result.subtype = typeof(value[0]);
} else
result.type = 9; // keyvalue
return result;
}
if (value[0] === '[') {
value = value.substring(1, value.length - 1);
result.isArray = true;
result.raw = value;
}
var lower = value.toLowerCase();
if (lower === 'object') {
result.type = 6;
return result;
}
if (lower === 'array') {
result.isArray = true;
return result;
}
if ((/^(string|text)+(\(\d+\))?$/).test(lower)) {
result.type = 3;
return parseLength(lower, result);
}
if ((/^(capitalize|camelcase|camelize)+(\(\d+\))?$/).test(lower)) {
result.type = 3;
result.subtype = 'capitalize';
return parseLength(lower, result);
}
if ((/^(lower|lowercase)+(\(\d+\))?$/).test(lower)) {
result.subtype = 'lowercase';
result.type = 3;
return parseLength(lower, result);
}
if ((/^(upper|uppercase)+(\(\d+\))?$/).test(lower)) {
result.subtype = 'uppercase';
result.type = 3;
return parseLength(lower, result);
}
if (lower === 'uid') {
result.type = 3;
result.length = 20;
result.raw = 'string';
result.subtype = 'uid';
return result;
}
if (lower === 'email') {
result.type = 3;
result.length = 120;
result.raw = 'string';
result.subtype = 'email';
return result;
}
if (lower === 'json') {
result.type = 3;
result.raw = 'string';
result.subtype = 'json';
return result;
}
if (lower === 'url') {
result.type = 3;
result.length = 500;
result.raw = 'string';
result.subtype = 'url';
return result;
}
if (lower === 'zip') {
result.type = 3;
result.length = 10;
result.raw = 'string';
result.subtype = 'zip';
return result;
}
if (lower === 'phone') {
result.type = 3;
result.length = 20;
result.raw = 'string';
result.subtype = 'phone';
return result;
}
if (['int', 'integer', 'byte'].indexOf(lower) !== -1) {
result.type = 1;
return result;
}
if (['decimal', 'number', 'float', 'double'].indexOf(lower) !== -1) {
result.type = 2;
return result;
}
if (['bool', 'boolean'].indexOf(lower) !== -1) {
result.type = 4;
return result;
}
if (['date', 'time', 'datetime'].indexOf(lower) !== -1) {
result.type = 5;
return result;
}
result.type = 7;
return result;
};
SchemaBuilderEntity.prototype.getDependencies = function() {
var dependencies = [];
for (var name in this.schema) {
var type = this.schema[name];
if (typeof(type) !== 'string')
continue;
var isArray = type[0] === ']';
if (isArray)
type = type.substring(1, type.length - 1);
var m = this.parent.get(type);
m && dependencies.push({ name: name, isArray: isArray, schema: m });
}
return dependencies;
};
/**
* Set schema validation
* @param {String|Array} properties Properties to validate, optional.
* @param {Function(propertyName, value, path, entityName, model)} fn A validation function.
* @return {SchemaBuilderEntity}
*/
SchemaBuilderEntity.prototype.setValidate = function(properties, fn) {
if (fn === undefined && properties instanceof Array) {
this.properties = properties;
return this;
}
if (typeof(properties) !== 'function') {
this.properties = properties;
this.onValidate = fn;
} else
this.onValidate = properties;
return this;
};
SchemaBuilderEntity.prototype.setPrefix = function(prefix) {
this.resourcePrefix = prefix;
return this;
};
SchemaBuilderEntity.prototype.setResource = function(name) {
this.resourceName = name;
return this;
};
/**
* Set the default values for schema
* @param {Function(propertyName, isntPreparing, entityName)} fn
* @return {SchemaBuilderEntity}
*/
SchemaBuilderEntity.prototype.setDefault = function(fn) {
this.onDefault = fn;
return this;
};
/**
* Set the prepare
* @param {Function(name, value)} fn Must return a new value.
* @return {SchemaBuilderEntity}
*/
SchemaBuilderEntity.prototype.setPrepare = function(fn) {
this.onPrepare = fn;
return this;
};
/**
* Set save handler
* @param {Function(error, model, helper, next(value), controller)} fn
* @return {SchemaBuilderEntity}
*/
SchemaBuilderEntity.prototype.setSave = function(fn, description) {
fn.$newversion = REGEXP_NEWOPERATION.test(fn.toString());
this.onSave = fn;
this.meta.save = description;
return this;
};
/**
* Set error handler
* @param {Function(error)} fn
* @return {SchemaBuilderEntity}
*/
SchemaBuilderEntity.prototype.setError = function(fn) {
this.onError = fn;
return this;
};
/**
* Set getter handler
* @param {Function(error, model, helper, next(value), controller)} fn
* @return {SchemaBuilderEntity}
*/
SchemaBuilderEntity.prototype.setGet = SchemaBuilderEntity.prototype.setRead = function(fn, description) {
fn.$newversion = REGEXP_NEWOPERATION.test(fn.toString());
this.onGet = fn;
this.meta.get = description;
return this;
};
/**
* Set query handler
* @param {Function(error, helper, next(value), controller)} fn
* @param {String} description Optional.
* @return {SchemaBuilderEntity}
*/
SchemaBuilderEntity.prototype.setQuery = function(fn, description) {
fn.$newversion = REGEXP_NEWOPERATION.test(fn.toString());
this.onQuery = fn;
this.meta.query = description;
return this;
};
/**
* Set remove handler
* @param {Function(error, helper, next(value), controller)} fn
* @param {String} description Optional.
* @return {SchemaBuilderEntity}
*/
SchemaBuilderEntity.prototype.setRemove = function(fn, description) {
fn.$newversion = REGEXP_NEWOPERATION.test(fn.toString());
this.onRemove = fn;
this.meta.remove = description;
return this;
};
/**
* Add a new constant for the schema
* @param {String} name Constant name, optional.
* @param {Object} value
* @param {String} description Optional.
* @return {SchemaBuilderEntity}
*/
SchemaBuilderEntity.prototype.constant = function(name, value, description) {
if (value === undefined)
return this.constants ? this.constants[name] : undefined;
!this.constants && (this.constants = {});
this.constants[name] = value;
this.meta['constant#' + name] = description;
return this;
};
/**
* Add a new transformation for the entity
* @param {String} name Transform name, optional.
* @param {Function(errorBuilder, model, helper, next([output]), controller)} fn
* @param {String} description Optional.
* @return {SchemaBuilderEntity}
*/
SchemaBuilderEntity.prototype.addTransform = function(name, fn, description) {
if (typeof(name) === 'function') {
fn = name;
name = 'default';
}
fn.$newversion = REGEXP_NEWOPERATION.test(fn.toString());
!this.transforms && (this.transforms = {});
this.transforms[name] = fn;
this.meta['transform#' + name] = description;
return this;
};
/**
* Add a new operation for the entity
* @param {String} name Operation name, optional.
* @param {Function(errorBuilder, [model], helper, next([output]), controller)} fn
* @param {String} description Optional.
* @return {SchemaBuilderEntity}
*/
SchemaBuilderEntity.prototype.addOperation = function(name, fn, description) {
if (typeof(name) === 'function') {
fn = name;
name = 'default';
}
fn.$newversion = REGEXP_NEWOPERATION.test(fn.toString());
!this.operations && (this.operations = {});
this.operations[name] = fn;
this.meta['operation#' + name] = description;
return this;
};
/**
* Add a new workflow for the entity
* @param {String} name Workflow name, optional.
* @param {Function(errorBuilder, model, helper, next([output]), controller)} fn
* @param {String} description Optional.
* @return {SchemaBuilderEntity}
*/
SchemaBuilderEntity.prototype.addWorkflow = function(name, fn, description) {
if (typeof(name) === 'function') {
fn = name;
name = 'default';
}
fn.$newversion = REGEXP_NEWOPERATION.test(fn.toString());
!this.workflows && (this.workflows = {});
this.workflows[name] = fn;
this.meta['workflow#' + name] = description;
return this;
};
SchemaBuilderEntity.prototype.addHook = function(name, fn, description) {
if (!this.hooks)
this.hooks = {};
fn.$newversion = REGEXP_NEWOPERATION.test(fn.toString());
!this.hooks[name] && (this.hooks[name] = []);
this.hooks[name].push({ owner: F.$owner(), fn: fn });
this.meta['hook#' + name] = description;
return this;
};
/**
* Find an entity in current group
* @param {String} name
* @return {SchemaBuilderEntity}
*/
SchemaBuilderEntity.prototype.find = function(name) {
return this.parent.get(name);
};
/**
* Destroys current entity
*/
SchemaBuilderEntity.prototype.destroy = function() {
delete this.parent.collection[this.name];
this.properties = undefined;
this.schema = undefined;
this.onDefault = undefined;
this.$onDefault = undefined;
this.onValidate = undefined;
this.onSave = undefined;
this.onRead = undefined;
this.onGet = undefined;
this.onRemove = undefined;
this.onQuery = undefined;
this.workflows = undefined;
this.operations = undefined;
this.transforms = undefined;
this.meta = undefined;
this.newversion = undefined;
this.properties = undefined;
this.hooks = undefined;
this.constants = undefined;
this.onPrepare = undefined;
this.$onPrepare = undefined;
this.onError = undefined;
this.gcache = undefined;
this.dependencies = undefined;
this.fields = undefined;
this.fields_allow = undefined;
};
/**
* Execute onSave delegate
* @param {Object} model
* @param {Object} options Custom options object, optional
* @param {Function(err, result)} callback
* @param {Controller} controller
* @param {Boolean} skip Skips preparing and validation, optional
* @return {SchemaBuilderEntity}
*/
SchemaBuilderEntity.prototype.save = function(model, options, callback, controller, skip) {
if (typeof(callback) === 'boolean') {
skip = callback;
callback = options;
options = undefined;
} else if (typeof(options) === 'function') {
callback = options;
options = undefined;
}
if (typeof(controller) === 'boolean') {
var tmp = skip;
skip = controller;
controller = tmp;
}
if (typeof(callback) !== 'function')
callback = function(){};
var self = this;
var $type = 'save';
self.$prepare(model, function(err, model) {
if (err) {
callback(err, model);
return;
}
if (model && !controller && model.$$controller)
controller = model.$$controller;
var builder = new ErrorBuilder();
self.resourceName && builder.setResource(self.resourceName);
self.resourcePrefix && builder.setPrefix(self.resourcePrefix);
if (!isGenerator(self, $type, self.onSave)) {
if (self.onSave.$newversion)
self.onSave(new SchemaOptions(builder, model, options, function(res) {
self.$process(arguments, model, $type, undefined, builder, res, callback);
}, controller));
else
self.onSave(builder, model, options, function(res) {
self.$process(arguments, model, $type, undefined, builder, res, callback);
}, controller, skip !== true);
return self;
}
callback.success = false;
var onError = function(err) {
if (!err || callback.success)
return;
callback.success = true;
builder.push(err);