92 lines
3.3 KiB
Swift
92 lines
3.3 KiB
Swift
// Copyright (c) 2016 Peter Siegesmund <peter.siegesmund@icloud.com>
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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import Foundation
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open class MeteorDocument: NSObject {
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public var _id:String
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required public init(id: String, fields: NSDictionary?) {
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self._id = id
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super.init()
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if let properties = fields {
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for (key,value) in properties {
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if !(value is NSNull) {
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self.setValue(value, forKey: key as! String)
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}
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}
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}
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}
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open func update(_ fields: NSDictionary?, cleared: [String]?) {
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if let properties = fields {
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for (key,value) in properties {
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print("Key: \(key), Value: \(value)")
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self.setValue(value, forKey: key as! String)
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}
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}
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if let deletions = cleared {
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for property in deletions {
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self.setNilValueForKey(property)
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}
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}
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}
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/*
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Limitations to propertyNames:
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- Returns an empty array for Objective-C objects
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- Will not return computed properties, i.e.:
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- If self is an instance of a class (vs., say, a struct), this doesn't report its superclass's properties, i.e.:
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see http://stackoverflow.com/questions/24844681/list-of-classs-properties-in-swift
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*/
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public func propertyNames() -> [String] {
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return Mirror(reflecting: self).children.filter { $0.label != nil }.map { $0.label! }
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}
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/*
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This method should be public so users of this library can override it for parsing their variables in their MeteorDocument object when having structs and such in their Document.
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*/
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open func fields() -> NSDictionary {
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let fieldsDict = NSMutableDictionary()
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let properties = propertyNames()
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for name in properties {
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if var value = self.value(forKey: name) {
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if value as? Date != nil {
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value = EJSON.convertToEJSONDate(value as! Date)
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}
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fieldsDict.setValue(value, forKey: name)
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}
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}
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fieldsDict.setValue(self._id, forKey: "_id")
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print("fields \(fieldsDict)")
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return fieldsDict as NSDictionary
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}
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}
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