From 2e3cca828d5e2a8ffc211b11e6a4951a3db9f3a3 Mon Sep 17 00:00:00 2001
From: switchupcb <contact@switchupcb.com>
Date: Thu, 28 Jul 2022 10:40:27 -0500
Subject: [PATCH] add data uri scheme tool

---
 _examples/go.mod               |  5 ++++-
 _examples/go.sum               |  2 ++
 _examples/image/avatar/main.go |  5 ++++-
 go.work.sum                    |  1 +
 tools/.golangci.yml            | 32 ++++++++++++++++++++++++++++++++
 tools/tools.go                 | 15 +++++++++++++++
 6 files changed, 58 insertions(+), 2 deletions(-)
 create mode 100644 go.work.sum
 create mode 100644 tools/.golangci.yml

diff --git a/_examples/go.mod b/_examples/go.mod
index 3a9e1a2..4f95ba7 100644
--- a/_examples/go.mod
+++ b/_examples/go.mod
@@ -2,7 +2,10 @@ module github.com/switchupcb/disgo/_examples
 
 go 1.18
 
-require github.com/switchupcb/disgo v0.0.0-20220726210903-501dcb40b012
+require (
+	github.com/switchupcb/disgo v0.0.0-20220726210903-501dcb40b012
+	github.com/switchupcb/disgo/tools v0.0.0-20220727073006-e0f01397d626
+)
 
 require (
 	github.com/andybalholm/brotli v1.0.4 // indirect
diff --git a/_examples/go.sum b/_examples/go.sum
index 653eb4c..8882775 100644
--- a/_examples/go.sum
+++ b/_examples/go.sum
@@ -22,6 +22,8 @@ github.com/klauspost/compress v1.15.9 h1:wKRjX6JRtDdrE9qwa4b/Cip7ACOshUI4smpCQan
 github.com/klauspost/compress v1.15.9/go.mod h1:PhcZ0MbTNciWF3rruxRgKxI5NkcHHrHUDtV4Yw2GlzU=
 github.com/switchupcb/disgo v0.0.0-20220726210903-501dcb40b012 h1:8K0Cs/qWX0p21TH6WYeb9ihYT+nLzabfsGyfm/g/Xv4=
 github.com/switchupcb/disgo v0.0.0-20220726210903-501dcb40b012/go.mod h1:Wl43EK7HOIj+qYkKGY7bfmhHcs4kOamgHeMk8ZujROQ=
+github.com/switchupcb/disgo/tools v0.0.0-20220727073006-e0f01397d626 h1:M9XQfGcnMXzlAXWFzxTLnwY65Y0K4VD4LlsyPt55MSQ=
+github.com/switchupcb/disgo/tools v0.0.0-20220727073006-e0f01397d626/go.mod h1:meg8UOjeK6vLhi5powODQ8VhmUrH8x2krlPEelARWjE=
 github.com/switchupcb/websocket v1.8.8 h1:0x7RIs90NJ8YggqcLdKeb/LTofJ1BY79n784pkLyk5o=
 github.com/switchupcb/websocket v1.8.8/go.mod h1:HdhyzCLfOFPrBv+QNcnDSbv8L8rfJ7ZCulrBKZJHip0=
 github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
diff --git a/_examples/image/avatar/main.go b/_examples/image/avatar/main.go
index aa567ba..bd791cd 100644
--- a/_examples/image/avatar/main.go
+++ b/_examples/image/avatar/main.go
@@ -8,6 +8,7 @@ import (
 	"net/http"
 	"os"
 
+	"github.com/switchupcb/disgo/tools"
 	disgo "github.com/switchupcb/disgo/wrapper"
 )
 
@@ -86,9 +87,11 @@ func main() {
 	}
 
 	// format the Image Data into a Data URI.
+	//
+	// The following code is equivalent to tools.ImageDataURI(image).
 	contentType := http.DetectContentType(image)
 	encodedImage := base64.StdEncoding.EncodeToString(image)
-	data := fmt.Sprintf("data:%s;base64,%s", contentType, encodedImage)
+	data := tools.DataURI(contentType, encodedImage)
 
 	// create a new Bot Client with the information required to send a request.
 	bot := &disgo.Client{
diff --git a/go.work.sum b/go.work.sum
new file mode 100644
index 0000000..5ff7463
--- /dev/null
+++ b/go.work.sum
@@ -0,0 +1 @@
+github.com/switchupcb/disgo/tools v0.0.0-20220727073006-e0f01397d626/go.mod h1:meg8UOjeK6vLhi5powODQ8VhmUrH8x2krlPEelARWjE=
diff --git a/tools/.golangci.yml b/tools/.golangci.yml
new file mode 100644
index 0000000..9f49e85
--- /dev/null
+++ b/tools/.golangci.yml
@@ -0,0 +1,32 @@
+run:
+  timeout: 5m
+  tests: false
+
+linters:
+  fast: false
+  enable-all: true
+  disable:
+    - deadcode
+    - unused
+    - gofumpt
+
+    - golint # Deprecated
+    - interfacer # Deprecated
+    - scopelint # Deprecated
+    - maligned # Deprecated
+    - exhaustivestruct # Deprecated
+
+linters-settings:
+  revive:
+    rules:
+      - name: var-naming
+        disabled: true # Flags defined by Discord.
+        arguments:
+          - [] # AllowList
+          - [] # DenyList
+
+  govet:
+    enable-all: true
+    disable:
+      - shadow
+      - fieldalignment # Completed at bundle-time.
\ No newline at end of file
diff --git a/tools/tools.go b/tools/tools.go
index d3c40d5..4b7b8d0 100644
--- a/tools/tools.go
+++ b/tools/tools.go
@@ -1,9 +1,24 @@
 package tools
 
 import (
+	"encoding/base64"
+	"net/http"
+
 	disgo "github.com/switchupcb/disgo/wrapper"
 )
 
+// DataURI returns a Data URI from the given HTTP Content Type Header and base64 encoded data.
+//
+// https://en.wikipedia.org/wiki/Data_URI_scheme
+func DataURI(contentType, base64EncodedData string) string {
+	return "data:" + contentType + ";base64," + base64EncodedData
+}
+
+// ImageDataURI returns a Data URI from the given image data.
+func ImageDataURI(img []byte) string {
+	return DataURI(http.DetectContentType(img), base64.StdEncoding.EncodeToString(img))
+}
+
 // OptionsToMap parses an array of options and suboptions into an OptionMap.
 func OptionsToMap(
 	optionMap map[string]*disgo.ApplicationCommandInteractionDataOption,