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3FBDUJWF$PDPB
Ͱͷϑϩʔ੍ޚͷྫ
@matuyuji
!
ReactiveCocoaษڧձؔ
2014.7.24
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!NBUVZVKJ
w TBGYEFWCMPHTQPUKQ
w &NBDT͍
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3FBDUJWF$PDPBͬͯ
ΞϓϦͭͬͯ͘Έͨ
w .JP%BTICPBSE
w HJUIVCDPNTBGY.JP%BTICPBSE
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**+.JPΈ͓ΆΜ"1*
w ߴ௨৴༻Ϋʔϙϯͷ0/0''
w Ϋʔϙϯྔɺʑͷར༻ྔ
w 3&45"1*
w 0"VUI
+40/
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Δ͜ͱ
w +40/औಘ
w IUUQTBQJJJKNJPKQNPCJMFEWDPVQPO
w IUUQTBQJJJKNJPKQNPCJMFEWMPHQBDLFU
w +40/σʔλͷϚʔδ
w 0"VUIʹΑΔೝূ τʔΫϯ࠶औಘ
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͍ͬͯΔ͜ͱ
w +40/औಘ
"
IUUQTBQJJJKNJPKQNPCJMFEWDPVQPO
#
IUUQTBQJJJKNJPKQNPCJMFEWMPHQBDLFU
w +40/σʔλͷϚʔδ
w 0"VUIʹΑΔೝূ τʔΫϯ࠶औಘ
→ AFNetworking-RACExtensionsͷ
rac_startJSONRequestOperationWithRequest:
→ concat:ͰͱΓ͚͋͑ͣͬͭ͘Δɻ
map:ͰMantle͔ͬͯΒϚʔδ
→ ΞΫηετʔΫϯΛnilʹͯ͠࠶࣮ߦ
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+40/σʔλͷऔಘ
(A)
(B)
rac_startJSONRequest…:
defer
defer
rac_startJSONRequest…:
concat: collect
NSDict
NSDict
NSDict × 2 NSArray
→ AFNetworking-RACExtensionsͷ
rac_startJSONRequestOperationWithRequest:
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γάφϧͰͷΠϕϯτ
next
completed
error
id
NSError
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"DPODBU#
next
completed
error
NSError
id
next
id
completed
error
NSError
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+40/σʔλͷऔಘ
(A)
(B)
rac_startJSONRequest…:
defer
defer
rac_startJSONRequest…:
concat: collect
NSDict
NSDict
NSDict × 2 NSArray
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+40/σʔλͷऔಘ
- (RACSignal*)loadInformationSignal {
RACSignal* coupon = [RACSignal defer:^RACSignal* {
return [self.restHelper getCoupon]; }];
!
RACSignal* packet = [RACSignal defer:^RACSignal* {
return [self.restHelper getPacket];
}];
!
RACSignal* sig = [[coupon concat:packet] collect];
return sig;
}
தͰrac_startJSONRequestOperationWithRequest:ΛݺͿ
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0"VUIͷೝূ
- (RACSignal*)loadInformationSignal {
RACSignal* coupon = [RACSignal defer:^RACSignal* {
return [self.restHelper getCoupon]; }];
!
RACSignal* packet = [RACSignal defer:^RACSignal* {
return [self.restHelper getPacket];
}];
!
RACSignal* sig = [[coupon concat:packet] collect];
return self.restHelper.accessToken
? sig
: [[[self.restHelper authorize]
catch:self.errorBlock] concat:sig];
}
complete͔error͚ͩฦ͢γάφϧ
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0"VUIͷೝূ
(A)
(B)
rac_start…:
defer
defer
concat: collect
NSDict
NSDict
NSDict × 2 NSArray
rac_start…:
concat:
authorize catch:
NSArray
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MPBE*OGPSNBUJPO4JHOBM
(A)
(B)
rac_start…:
defer
defer
concat: collect
NSDict
NSDict
NSDict × 2 NSArray
rac_start…:
concat:
authorize catch:
NSArray
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MPBE*OGPSNBUJPO4JHOBM
- (RACSignal*)loadInformationSignal {
RACSignal* coupon = [RACSignal defer:^RACSignal* {
return [self.restHelper getCoupon]; }];
!
RACSignal* packet = [RACSignal defer:^RACSignal* {
return [self.restHelper getPacket];
}];
!
RACSignal* sig = [[coupon concat:packet] collect];
return self.restHelper.accessToken
? sig
: [[[self.restHelper authorize]
catch:self.errorBlock] concat:sig];
}
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ϚʔδͱτʔΫϯ࠶औಘ
[[[self loadInformationSignal] catch:
^RACSignal *(NSError *error) {
if (/*ΞΫηετʔΫϯ͕ແޮ*/) {
self.restHelper.accessToken = nil;
return [self loadInformationSignal];
}
return [RACSignal empty]; //ଞͷΤϥʔ͖͋ΒΊΔ
}] map:^(NSArray* array) {
// MantleͰΦϒδΣΫτ࡞͔ͯ͠ΒɺσʔλΛ·ͱΊΔ
}];
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τʔΫϯ࠶औಘ
(A)
(B)
rac_start…:
defer
defer
concat: collect
NSDict
NSDict
NSDict × 2 NSArray
rac_start…:
concat:
authorize catch:
NSArray
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ͬͨ͜ͱ
w +40/औಘ
"
IUUQTBQJJJKNJPKQNPCJMFEWDPVQPO
#
IUUQTBQJJJKNJPKQNPCJMFEWMPHQBDLFU
w +40/σʔλͷϚʔδ
w 0"VUIʹΑΔೝূ τʔΫϯ࠶औಘ
→ AFNetworking-RACExtensionsͷ
rac_startJSONRequestOperationWithRequest:
→ concat:ͰͱΓ͚͋͑ͣͬͭ͘Δɻ
map:ͰMantle͔ͬͯΒϚʔδ
→ ΞΫηετʔΫϯΛnilʹͯ͠࠶࣮ߦ
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ͬͨϥΠϒϥϦ
w 3FBDUJWF$PDPB
w "'/FUXPSLJOH3"$&YUFOTJPOT
w 6OEFSTDPSFN
w .BOUMF
w 58.FTTBHF#BS.BOBHFS
w 75"DLOPXMFEHFNFOUT7JFX$POUSPMMFS
w 9:1JF$IBSU
w J041MPU
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ؔ࿈ใ
w 3FBDUJWF$PDPBؔ࿈ϦϯΫͷ·ͱΊ
w TBGYEFWCMPHTQPUKQSFBDUJWFDPDPBIUNM