From 6ecfc307bfda448ba0d683c5af3691d801122427 Mon Sep 17 00:00:00 2001
From: "pengfei.zhou" <pengfeizhou@foxmail.com>
Date: Fri, 19 Nov 2021 10:26:26 +0800
Subject: [PATCH] feat:iOS DoricResult add fetch cache

---
 doric-iOS/Pod/Classes/Resource/DoricResource.h |  2 ++
 doric-iOS/Pod/Classes/Resource/DoricResource.m | 12 ++++++++++++
 doric-iOS/Pod/Classes/Shader/DoricImageNode.m  |  2 +-
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/doric-iOS/Pod/Classes/Resource/DoricResource.h b/doric-iOS/Pod/Classes/Resource/DoricResource.h
index e65b2333..b9b77801 100644
--- a/doric-iOS/Pod/Classes/Resource/DoricResource.h
+++ b/doric-iOS/Pod/Classes/Resource/DoricResource.h
@@ -29,4 +29,6 @@
 - (instancetype)initWithContext:(DoricContext *)context identifier:(NSString *)identifier;
 
 - (DoricAsyncResult <NSData *> *)fetchRaw;
+
+- (DoricAsyncResult <NSData *> *)fetch;
 @end
\ No newline at end of file
diff --git a/doric-iOS/Pod/Classes/Resource/DoricResource.m b/doric-iOS/Pod/Classes/Resource/DoricResource.m
index f8c988b1..6f298770 100644
--- a/doric-iOS/Pod/Classes/Resource/DoricResource.m
+++ b/doric-iOS/Pod/Classes/Resource/DoricResource.m
@@ -19,6 +19,10 @@
 
 #import "DoricResource.h"
 
+@interface DoricResource ()
+@property(nonatomic, strong) DoricAsyncResult<NSData *> *result;
+@end
+
 @implementation DoricResource
 - (instancetype)initWithContext:(DoricContext *)context identifier:(NSString *)identifier {
     if (self = [super init]) {
@@ -27,7 +31,15 @@ - (instancetype)initWithContext:(DoricContext *)context identifier:(NSString *)i
     }
     return self;
 }
+
 - (DoricAsyncResult<NSData *> *)fetchRaw {
     return nil;
 }
+
+- (DoricAsyncResult <NSData *> *)fetch {
+    if (!self.result) {
+        self.result = [self fetchRaw];
+    }
+    return self.result;
+}
 @end
diff --git a/doric-iOS/Pod/Classes/Shader/DoricImageNode.m b/doric-iOS/Pod/Classes/Shader/DoricImageNode.m
index e3306974..c7ea0a37 100644
--- a/doric-iOS/Pod/Classes/Shader/DoricImageNode.m
+++ b/doric-iOS/Pod/Classes/Shader/DoricImageNode.m
@@ -238,7 +238,7 @@ - (void)blendView:(UIImageView *)view forPropName:(NSString *)name propValue:(id
     if ([@"image" isEqualToString:name]) {
         DoricAsyncResult <NSData *> *asyncResult = [[self.doricContext.driver.registry.loaderManager
                 load:prop
-         withContext:self.doricContext] fetchRaw];
+         withContext:self.doricContext] fetch];
         [asyncResult setResultCallback:^(NSData *imageData) {
             [self.doricContext dispatchToMainQueue:^{
 #if DORIC_USE_YYWEBIMAGE