Added record deletion if number of records in entity exceeds Maximum Records

stevetrease · stevetrease · commit 4d29e39b321f · 2015-12-22T12:54:18.000Z
diff --git a/Swift Push/AppDelegate.swift b/Swift Push/AppDelegate.swift
@@ -9,7 +9,7 @@
 import UIKit
 import CoreData
 
-var maximumRecords = 1000
+var maximumRecords = 500
 
 
 @UIApplicationMain
diff --git a/Swift Push/Base.lproj/Main.storyboard b/Swift Push/Base.lproj/Main.storyboard
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="9531" systemVersion="15C50" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="XCN-vs-9xr">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="9531" systemVersion="15D9c" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="XCN-vs-9xr">
     <dependencies>
         <deployment identifier="iOS"/>
         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="9529"/>
@@ -15,21 +15,21 @@
                         <color key="backgroundColor" red="0.93725490199999995" green="0.93725490199999995" blue="0.95686274510000002" alpha="1" colorSpace="calibratedRGB"/>
                         <prototypes>
                             <tableViewCell contentMode="scaleToFill" selectionStyle="default" indentationWidth="10" reuseIdentifier="Cell" textLabel="Y6V-pK-YF5" detailTextLabel="QOP-pJ-6oa" style="IBUITableViewCellStyleSubtitle" id="mta-ed-FwN">
-                                <rect key="frame" x="0.0" y="114" width="600" height="44"/>
+                                <rect key="frame" x="0.0" y="113.5" width="600" height="44"/>
                                 <autoresizingMask key="autoresizingMask"/>
                                 <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="mta-ed-FwN" id="WoY-P6-9QE">
-                                    <rect key="frame" x="0.0" y="0.0" width="600" height="43"/>
+                                    <rect key="frame" x="0.0" y="0.0" width="600" height="43.5"/>
                                     <autoresizingMask key="autoresizingMask"/>
                                     <subviews>
                                         <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="Title" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="Y6V-pK-YF5">
-                                            <rect key="frame" x="15" y="5" width="32" height="20"/>
+                                            <rect key="frame" x="15" y="6" width="31.5" height="19.5"/>
                                             <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                                             <fontDescription key="fontDescription" type="system" pointSize="16"/>
                                             <color key="textColor" red="0.0" green="0.0" blue="0.0" alpha="1" colorSpace="calibratedRGB"/>
                                             <nil key="highlightedColor"/>
                                         </label>
                                         <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="Subtitle" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="QOP-pJ-6oa">
-                                            <rect key="frame" x="15" y="25" width="41" height="14"/>
+                                            <rect key="frame" x="15" y="25.5" width="40.5" height="13.5"/>
                                             <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                                             <fontDescription key="fontDescription" type="system" pointSize="11"/>
                                             <color key="textColor" red="0.0" green="0.0" blue="0.0" alpha="1" colorSpace="calibratedRGB"/>
diff --git a/Swift Push/Info.plist b/Swift Push/Info.plist
@@ -19,7 +19,7 @@
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>346</string>
+	<string>356</string>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
 	<key>UIBackgroundModes</key>
diff --git a/Swift Push/ViewController.swift b/Swift Push/ViewController.swift
@@ -217,7 +217,25 @@ func newRecord (messageText: String, alert: Bool) {
     do {
         let records = try context.executeFetchRequest(fetch)
         if records.count > maximumRecords {
+            // if we have too many reorcrds, delete them down to MaximumRecords
             print ("too many records (\(records.count) of \(maximumRecords))")
+            
+            let deleteFetchRequest = NSFetchRequest(entityName: "PushMessages")
+            deleteFetchRequest.fetchLimit = records.count - maximumRecords
+
+            let sortDescriptor = NSSortDescriptor(key: "timeReceived", ascending: true)
+            deleteFetchRequest.sortDescriptors = [sortDescriptor]
+            
+            do {
+                let deleteFetchResults = try context.executeFetchRequest (deleteFetchRequest)
+
+                    for var delRecord in deleteFetchResults {
+                    context.deleteObject(delRecord as! NSManagedObject)
+                }
+            } catch {
+                let fetchError = error as NSError
+                print("\(fetchError), \(fetchError.userInfo)")
+            }
         }
     } catch {
         let fetchError = error as NSError
