From 2178a8ed09eada555de35855d68144aa37e30263 Mon Sep 17 00:00:00 2001
From: Evgenii Evstropov <evgeny@getcodified.com>
Date: Fri, 11 May 2018 22:06:20 +0200
Subject: [PATCH] add function to check share(write) permissions authorisation

---
 .../RCTAppleHealthKit+TypesAndPermissions.h   |  2 ++
 .../RCTAppleHealthKit+TypesAndPermissions.m   |  1 -
 RCTAppleHealthKit/RCTAppleHealthKit.h         |  1 +
 RCTAppleHealthKit/RCTAppleHealthKit.m         | 22 +++++++++++++++++++
 4 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/RCTAppleHealthKit/RCTAppleHealthKit+TypesAndPermissions.h b/RCTAppleHealthKit/RCTAppleHealthKit+TypesAndPermissions.h
index 73438fe..f8e3047 100644
--- a/RCTAppleHealthKit/RCTAppleHealthKit+TypesAndPermissions.h
+++ b/RCTAppleHealthKit/RCTAppleHealthKit+TypesAndPermissions.h
@@ -10,6 +10,8 @@
 
 @interface RCTAppleHealthKit (TypesAndPermissions)
 
+- (NSDictionary *)readPermsDict;
+- (NSDictionary *)writePermsDict;
 - (NSSet *)getReadPermsFromOptions:(NSArray *)options;
 - (NSSet *)getWritePermsFromOptions:(NSArray *)options;
 
diff --git a/RCTAppleHealthKit/RCTAppleHealthKit+TypesAndPermissions.m b/RCTAppleHealthKit/RCTAppleHealthKit+TypesAndPermissions.m
index 7022081..3d43bad 100644
--- a/RCTAppleHealthKit/RCTAppleHealthKit+TypesAndPermissions.m
+++ b/RCTAppleHealthKit/RCTAppleHealthKit+TypesAndPermissions.m
@@ -83,7 +83,6 @@
     return writePerms;
 }
 
-
 // Returns HealthKit read permissions from options array
 - (NSSet *)getReadPermsFromOptions:(NSArray *)options {
     NSDictionary *readPermDict = [self readPermsDict];
diff --git a/RCTAppleHealthKit/RCTAppleHealthKit.h b/RCTAppleHealthKit/RCTAppleHealthKit.h
index 900c6e3..eadffd3 100644
--- a/RCTAppleHealthKit/RCTAppleHealthKit.h
+++ b/RCTAppleHealthKit/RCTAppleHealthKit.h
@@ -19,6 +19,7 @@
 
 - (void)isHealthKitAvailable:(RCTResponseSenderBlock)callback;
 - (void)initializeHealthKit:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback;
+- (void)checkPermission:(NSString *)input callback:(RCTResponseSenderBlock)callback;
 - (void)getModuleInfo:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback;
 
 @end
diff --git a/RCTAppleHealthKit/RCTAppleHealthKit.m b/RCTAppleHealthKit/RCTAppleHealthKit.m
index bbc9c17..d26a708 100644
--- a/RCTAppleHealthKit/RCTAppleHealthKit.m
+++ b/RCTAppleHealthKit/RCTAppleHealthKit.m
@@ -36,6 +36,11 @@ RCT_EXPORT_METHOD(initHealthKit:(NSDictionary *)input callback:(RCTResponseSende
     [self initializeHealthKit:input callback:callback];
 }
 
+RCT_EXPORT_METHOD(checkSharePermission:(NSString *)input callback:(RCTResponseSenderBlock)callback)
+{
+    [self checkPermission:input callback:callback];
+}
+
 RCT_EXPORT_METHOD(initStepCountObserver:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback)
 {
     [self fitness_initializeStepEventObserver:input callback:callback];
@@ -248,6 +253,23 @@ RCT_EXPORT_METHOD(saveMindfulSession:(NSDictionary *)input callback:(RCTResponse
     }
 }
 
+- (void)checkPermission:(NSString *)input callback:(RCTResponseSenderBlock)callback
+{
+    self.healthStore = [[HKHealthStore alloc] init];
+    if ([HKHealthStore isHealthDataAvailable]) {
+        
+        HKObjectType *val = [[self writePermsDict] objectForKey:input];
+        
+        if ([self.healthStore authorizationStatusForType:val] == HKAuthorizationStatusSharingAuthorized) {
+            callback(@[[NSNull null], @true]);
+        } else {
+            callback(@[[NSNull null], @false]);
+        }
+    } else {
+        callback(@[RCTMakeError(@"HealthKit data is not available", nil, nil)]);
+    }
+}
+
 - (void)getModuleInfo:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback
 {
     NSDictionary *info = @{
-- 
2.26.2