Initial checkin 0.1.0

.gitignore

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+# Xcode
+#
+# gitignore contributors: remember to update Global/Xcode.gitignore, Objective-C.gitignore & Swift.gitignore
+
+## User settings
+xcuserdata/
+
+## compatibility with Xcode 8 and earlier (ignoring not required starting Xcode 9)
+*.xcscmblueprint
+*.xccheckout
+
+## compatibility with Xcode 3 and earlier (ignoring not required starting Xcode 4)
+build/
+docs/
+DerivedData/
+*.moved-aside
+*.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
+*.perspectivev3
+!default.perspectivev3
+
+
+Carthage

CONTRIBUTING.md

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+## Contributing
+
+#### 1. Create an issue to make sure its something that should be done.
+
+#### 2. Create a fork/branch.
+
+#### 3. Do your work.
+Be sure to adhere to the prevailing style of the project.
+
+#### 4. Write tests for your fix/new functionality.
+
+You can run the tests by hitting Cmd+U. The tests are written swift 
+
+#### 5. Create a pull request to revenuecat/master and request review
+
+Explain in your pull request the work that was done, the reasoning, and that tests passed.
+
+#### 6. Make changes in response to review
+
+#### 7. Bask in the glory of community maintained software

Cartfile

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+github "AliSoftware/OHHTTPStubs"
+github "Quick/Nimble"

Cartfile.resolved

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+github "AliSoftware/OHHTTPStubs" "6.0.0"
+github "Quick/Nimble" "v7.0.2"

LICENSE

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+MIT License
+
+Copyright (c) 2017 Jacob Eiting
+
+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.

Purchases.podspec

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+Pod::Spec.new do |s|
+  s.name             = "Purchases"
+  s.version          = "0.1.0"
+  s.summary          = "Subscription and in-app-purchase backend service."
+
+  s.description      = <<-DESC
+                       Save yourself the hastle of implementing a subscriptions backend. Use RevenueCat instead http://revenue.cat
+                       DESC
+
+  s.homepage         = "http://revenue.cat"
+  s.license          =  { :type => 'MIT' }
+  s.author           = { "Revenue Cat Inc." => "jacob@revenuecat.com" }
+  s.source           = { :git => "https://github.com/revenuecat/purchases-ios.git", :tag => s.version.to_s }
+
+  s.ios.deployment_target = '9.0'
+
+  s.source_files = [
+    'Purchases/Classes/**/*'
+  ]
+end

Purchases.xcodeproj/xcshareddata/xcschemes/Purchases.xcscheme

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+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "0900"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "352629FD1F7C4B9100C04F2C"
+               BuildableName = "Purchases.framework"
+               BlueprintName = "Purchases"
+               ReferencedContainer = "container:Purchases.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <Testables>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "35262A1D1F7D77E600C04F2C"
+               BuildableName = "PurchasesTests.xctest"
+               BlueprintName = "PurchasesTests"
+               ReferencedContainer = "container:Purchases.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "352629FD1F7C4B9100C04F2C"
+            BuildableName = "Purchases.framework"
+            BlueprintName = "Purchases"
+            ReferencedContainer = "container:Purchases.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "352629FD1F7C4B9100C04F2C"
+            BuildableName = "Purchases.framework"
+            BlueprintName = "Purchases"
+            ReferencedContainer = "container:Purchases.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "352629FD1F7C4B9100C04F2C"
+            BuildableName = "Purchases.framework"
+            BlueprintName = "Purchases"
+            ReferencedContainer = "container:Purchases.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

Purchases/Classes/Public/Purchases.h

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+//
+//  Purchases.h
+//  Purchases
+//
+//  Created by Jacob Eiting on 9/27/17.
+//  Copyright © 2017 RevenueCat, Inc. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+FOUNDATION_EXPORT double PurchasesVersionNumber;
+FOUNDATION_EXPORT const unsigned char PurchasesVersionString[];
+
+#import <Purchases/RCPurchases.h>
+#import <Purchases/RCPurchaserInfo.h>

Purchases/Classes/Public/RCPurchaserInfo.h

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+//
+//  RCPurchaserInfo.h
+//  Purchases
+//
+//  Created by Jacob Eiting on 9/30/17.
+//  Copyright © 2017 RevenueCat, Inc. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+
+NS_ASSUME_NONNULL_BEGIN
+
+/**
+ A container for the most recent purchaser info returned from `RCPurchases`. These objects are non-mutable and do not update automatically.
+ */
+@interface RCPurchaserInfo : NSObject
+
+/// All *subscription* product identifiers with expiration dates in the future.
+@property (readonly) NSSet<NSString *> *activeSubscriptions;
+
+/// All product identifiers purchases by the user regardless of expriration.
+@property (readonly) NSSet<NSString *> *allPurchasedProductIdentifiers;
+
+/// Returns the latest expiration date of all products, nil if there are none
+@property (readonly) NSDate * _Nullable latestExpirationDate;
+
+/**
+ Get the expiration date for a given product identifier.
+
+ @param productIdentifier Product identifier for subscription product
+
+ @return The expiration date for `productIdentifier`, `nil` if product never purchased
+ */
+- (NSDate * _Nullable)expirationDateForProductIdentifier:(NSString *)productIdentifier;
+
+@end
+
+NS_ASSUME_NONNULL_END

Purchases/Classes/Public/RCPurchaserInfo.m

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+//
+//  RCPurchaserInfo.m
+//  Purchases
+//
+//  Created by Jacob Eiting on 9/30/17.
+//  Copyright © 2017 RevenueCat, Inc. All rights reserved.
+//
+
+#import "RCPurchaserInfo.h"
+
+@interface RCPurchaserInfo ()
+
+@property (nonatomic) NSDictionary<NSString *, NSDate *> *expirationDates;
+
+@end
+
+static NSDateFormatter *dateFormatter;
+static dispatch_once_t onceToken;
+
+@implementation RCPurchaserInfo
+
+- (instancetype _Nullable)initWithData:(NSDictionary *)data
+{
+    if (self == [super init]) {
+        if (data[@"subscriber"] == nil) {
+            return nil;
+        }
+
+        NSDictionary *subscriberData = data[@"subscriber"];
+
+        dispatch_once(&onceToken, ^{
+            dateFormatter = [[NSDateFormatter alloc] init];
+            dateFormatter.timeZone = [NSTimeZone timeZoneWithAbbreviation:@"GMT"];
+            dateFormatter.dateFormat = @"yyyy-MM-dd'T'HH:mm:ss";
+        });
+
+        NSMutableDictionary<NSString *, NSDate *> *dates = [NSMutableDictionary new];
+
+        NSDictionary *subscriptions = subscriberData[@"subscriptions"];
+        if (subscriptions == nil) {
+            return nil;
+        }
+
+        for (NSString *productID in subscriptions) {
+            NSString *dateString = subscriptions[productID][@"expires_date"];
+            NSDate *date = [dateFormatter dateFromString:dateString];
+
+            if (date == nil) {
+                return nil;
+            }
+
+            dates[productID] = date;
+        }
+
+        self.expirationDates = [NSDictionary dictionaryWithDictionary:dates];
+    }
+    return self;
+}
+
+- (NSSet<NSString *> *)allPurchasedProductIdentifiers
+{
+    return [NSSet setWithArray:self.expirationDates.allKeys];
+}
+
+- (NSSet<NSString *> *)activeSubscriptions
+{
+    NSMutableSet *activeSubscriptions = [NSMutableSet setWithCapacity:self.expirationDates.count];
+
+    for (NSString *productIdentifier in self.expirationDates) {
+        if (self.expirationDates[productIdentifier].timeIntervalSinceNow > 0) {
+            [activeSubscriptions addObject:productIdentifier];
+        }
+    }
+
+    return [NSSet setWithSet:activeSubscriptions];
+}
+
+- (NSDate * _Nullable)latestExpirationDate
+{
+    NSDate *maxDate = nil;
+
+    for (NSDate *date in self.expirationDates.allValues) {
+        if (date.timeIntervalSince1970 > maxDate.timeIntervalSince1970) {
+            maxDate = date;
+        }
+    }
+
+    return maxDate;
+}
+
+- (NSDate *)expirationDateForProductIdentifier:(NSString *)productIdentifier
+{
+    return self.expirationDates[productIdentifier];
+}
+
+@end