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| Original file line number | Diff line number | Diff line change |
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| // Copyright 2016 Vladimir Alyamkin. All Rights Reserved. | ||
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| #pragma once | ||
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| #include "Kismet/BlueprintFunctionLibrary.h" | ||
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| #include "VaRestTypes.h" | ||
| #include "VaRestLibrary.generated.h" | ||
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| class UVaRestRequestJSON; | ||
| class UVaRestJsonObject; | ||
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| DECLARE_DYNAMIC_DELEGATE_OneParam(FVaRestCallDelegate, UVaRestRequestJSON*, Request); | ||
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| USTRUCT() | ||
| struct FVaRestCallResponse | ||
| { | ||
| GENERATED_USTRUCT_BODY() | ||
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| UPROPERTY() | ||
| UVaRestRequestJSON* Request; | ||
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| UPROPERTY() | ||
| UObject* WorldContextObject; | ||
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| UPROPERTY() | ||
| FVaRestCallDelegate Callback; | ||
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| FDelegateHandle CompleteDelegateHandle; | ||
| FDelegateHandle FailDelegateHandle; | ||
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| FVaRestCallResponse() | ||
| : Request(nullptr) | ||
| , WorldContextObject(nullptr) | ||
| { | ||
| } | ||
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| }; | ||
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| /** | ||
| * Usefull tools for REST communications | ||
| */ | ||
| UCLASS() | ||
| class UVaRestLibrary : public UBlueprintFunctionLibrary | ||
| { | ||
| GENERATED_BODY() | ||
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| ////////////////////////////////////////////////////////////////////////// | ||
| // Helpers | ||
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| public: | ||
| /** Applies percent-encoding to text */ | ||
| UFUNCTION(BlueprintCallable, Category = "VaRest|Utility") | ||
| static FString PercentEncode(const FString& Source); | ||
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| /** | ||
| * Encodes a FString into a Base64 string | ||
| * | ||
| * @param Source The string data to convert | ||
| * @return A string that encodes the binary data in a way that can be safely transmitted via various Internet protocols | ||
| */ | ||
| UFUNCTION(BlueprintCallable, Category = "VaRest|Utility", meta = (DisplayName = "Base64 Encode")) | ||
| static FString Base64Encode(const FString& Source); | ||
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| /** | ||
| * Decodes a Base64 string into a FString | ||
| * | ||
| * @param Source The stringified data to convert | ||
| * @param Dest The out buffer that will be filled with the decoded data | ||
| * @return True if the buffer was decoded, false if it failed to decode | ||
| */ | ||
| UFUNCTION(BlueprintCallable, Category = "VaRest|Utility", meta = (DisplayName = "Base64 Decode")) | ||
| static bool Base64Decode(const FString& Source, FString& Dest); | ||
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| ////////////////////////////////////////////////////////////////////////// | ||
| // Easy URL processing | ||
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| public: | ||
| /** Easy way to process http requests */ | ||
| UFUNCTION(BlueprintCallable, Category = "VaRest|Utility", meta = (WorldContext = "WorldContextObject")) | ||
| static void CallURL(UObject* WorldContextObject, const FString& URL, ERequestVerb Verb, ERequestContentType ContentType, UVaRestJsonObject* VaRestJson, const FVaRestCallDelegate& Callback); | ||
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| /** Called when URL is processed (one for both success/unsuccess events)*/ | ||
| static void OnCallComplete(UVaRestRequestJSON* Request); | ||
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| private: | ||
| static TMap<UVaRestRequestJSON*, FVaRestCallResponse> RequestMap; | ||
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| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| // Copyright 2016 Vladimir Alyamkin. All Rights Reserved. | ||
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| #pragma once | ||
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| /** Verb (GET, PUT, POST) used by the request */ | ||
| UENUM(BlueprintType) | ||
| enum class ERequestVerb : uint8 | ||
| { | ||
| GET, | ||
| POST, | ||
| PUT, | ||
| DEL UMETA(DisplayName = "DELETE"), | ||
| /** Set CUSTOM verb by SetCustomVerb() function */ | ||
| CUSTOM | ||
| }; | ||
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| /** Content type (json, urlencoded, etc.) used by the request */ | ||
| UENUM(BlueprintType) | ||
| enum class ERequestContentType : uint8 | ||
| { | ||
| x_www_form_urlencoded_url UMETA(DisplayName = "x-www-form-urlencoded (URL)"), | ||
| x_www_form_urlencoded_body UMETA(DisplayName = "x-www-form-urlencoded (Request Body)"), | ||
| json, | ||
| binary | ||
| }; | ||
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| /** Enumerates the current state of an Http request */ | ||
| UENUM(BlueprintType) | ||
| enum class ERequestStatus : uint8 | ||
| { | ||
| /** Has not been started via ProcessRequest() */ | ||
| NotStarted, | ||
| /** Currently being ticked and processed */ | ||
| Processing, | ||
| /** Finished but failed */ | ||
| Failed, | ||
| /** Failed because it was unable to connect (safe to retry) */ | ||
| Failed_ConnectionError, | ||
| /** Finished and was successful */ | ||
| Succeeded | ||
| }; |
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