yeet

.gitignore

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+.idea/

.gitlab-ci.yml

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+image: docker:19.03.12
+
+services:
+  - docker:19.03.12-dind
+
+#variables:
+#  # Use TLS https://docs.gitlab.com/ee/ci/docker/using_docker_build.html#tls-enabled
+#  DOCKER_HOST: tcp://docker:2376
+#  DOCKER_TLS_CERTDIR: "/certs"
+
+before_script:
+  - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
+
+build:
+  stage: build
+  script:
+    - docker pull $CI_REGISTRY_IMAGE:latest || true
+    - docker build --cache-from $CI_REGISTRY_IMAGE:latest --tag $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA --tag $CI_REGISTRY_IMAGE:latest .
+    - docker push $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA
+    - docker push $CI_REGISTRY_IMAGE:latest

Dockerfile

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+FROM golang:alpine as golang
+WORKDIR /go/src/app
+COPY . .
+# Static build required so that we can safely copy the binary over.
+RUN CGO_ENABLED=0 go install -ldflags '-extldflags "-static"'
+
+FROM alpine:latest as alpine
+RUN apk --no-cache add tzdata zip ca-certificates
+WORKDIR /usr/share/zoneinfo
+# -0 means no compression.  Needed because go's
+# tz loader doesn't handle compressed data.
+RUN zip -q -r -0 /zoneinfo.zip .
+
+FROM scratch
+# the program:
+COPY --from=golang /go/bin/pinbot /app
+# the timezone data:
+ENV ZONEINFO /zoneinfo.zip
+COPY --from=alpine /zoneinfo.zip /
+# the tls certificates:
+COPY --from=alpine /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
+ENTRYPOINT ["/app"]

go.mod

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+module pinbot
+
+go 1.15
+
+require (
+	github.com/bwmarrin/discordgo v0.22.0
+	github.com/joho/godotenv v1.3.0
+)

go.sum

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+github.com/bwmarrin/discordgo v0.22.0 h1:uBxY1HmlVCsW1IuaPjpCGT6A2DBwRn0nvOguQIxDdFM=
+github.com/bwmarrin/discordgo v0.22.0/go.mod h1:c1WtWUGN6nREDmzIpyTp/iD3VYt4Fpx+bVyfBG7JE+M=
+github.com/gorilla/websocket v1.4.0 h1:WDFjx/TMzVgy9VdMMQi2K2Emtwi2QcUQsztZ/zLaH/Q=
+github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
+github.com/joho/godotenv v1.3.0 h1:Zjp+RcGpHhGlrMbJzXTrZZPrWj+1vfm90La1wgB6Bhc=
+github.com/joho/godotenv v1.3.0/go.mod h1:7hK45KPybAkOC6peb+G5yklZfMxEjkZhHbwpqxOKXbg=
+golang.org/x/crypto v0.0.0-20181030102418-4d3f4d9ffa16 h1:y6ce7gCWtnH+m3dCjzQ1PCuwl28DDIc3VNnvY29DlIA=
+golang.org/x/crypto v0.0.0-20181030102418-4d3f4d9ffa16/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=

main.go

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+package main
+
+import (
+	"fmt"
+	"github.com/bwmarrin/discordgo"
+	"os"
+	"os/signal"
+	"syscall"
+)
+
+import _ "github.com/joho/godotenv/autoload"
+
+func main() {
+	token := os.Getenv("DISCORD_TOKEN")
+	if token == "" {
+		fmt.Println("Missing discord token (DISCORD_TOKEN), so bye bye!")
+		return
+	}
+	discord, err := discordgo.New("Bot " + token)
+	if err != nil {
+		fmt.Println("Error creating Discord session: ", err)
+		return
+	}
+	discord.AddHandler(ready)
+	discord.AddHandler(reactAdd)
+	discord.AddHandler(reactRemove)
+
+	err = discord.Open()
+	if err != nil {
+		fmt.Println("Error opening Discord session: ", err)
+	}
+
+	// Wait here until CTRL-C or other term signal is received.
+	fmt.Println("PinBot is running! Press CTRL-C to exit.")
+	sc := make(chan os.Signal, 1)
+	signal.Notify(sc, syscall.SIGINT, syscall.SIGTERM, os.Interrupt, os.Kill)
+	<-sc
+
+	// Cleanly close down the Discord session.
+	_ = discord.Close()
+
+}
+
+func ready(s *discordgo.Session, event *discordgo.Ready) {
+	_ = s.UpdateStatus(0, "5x📌 pins a message!")
+}
+
+func reactAdd(s *discordgo.Session, event *discordgo.MessageReactionAdd) {
+	messageReac(s, event.MessageReaction)
+}
+
+func reactRemove(s *discordgo.Session, event *discordgo.MessageReactionRemove) {
+	messageReac(s, event.MessageReaction)
+}
+
+func messageReac(s *discordgo.Session, event *discordgo.MessageReaction) {
+	if event.Emoji.Name == "📌" {
+
+		msg, err := s.ChannelMessage(event.ChannelID, event.MessageID)
+		if err != nil {
+			return
+		}
+
+		for _, reaction := range msg.Reactions {
+			if reaction.Emoji.Name == "📌" {
+				var msgErr error
+				if reaction.Count >= 5 {
+					msgErr = s.ChannelMessagePin(event.ChannelID, event.MessageID)
+				} else if reaction.Count <= 3 {
+					msgErr = s.ChannelMessageUnpin(event.ChannelID, event.MessageID)
+				}
+				if msgErr != nil {
+					fmt.Println("Error: ", msgErr)
+				}
+				break
+			}
+		}
+	}
+}