Initial commit

Makefile

@@ -0,0 +1,23 @@
+GOCMD=go
+GOBUILD=$(GOCMD) build
+GORUN=$(GOCMD) run
+GOPKG=./main
+GOARCH=amd64
+BINARY_NAME=react-rm
+
+.PHONY: build
+build:
+	$(GOBUILD) -o bin/$(BINARY_NAME) -v $(GOPKG)
+
+.PHONY: run
+run:
+	$(GORUN) $(GOPKG)
+
+.PHONY: build-all
+build-all:
+	echo "Cross-compiling for macOS and Linux (amd64)"
+	GOOS=linux GOARCH=$(GOARCH) $(GOBUILD) -o bin/$(BINARY_NAME)_linux -v $(GOPKG)
+	GOOS=darwin GOARCH=$(GOARCH) $(GOBUILD) -o bin/$(BINARY_NAME)_darwin -v $(GOPKG)
+
+.PHONY: all
+all: build

README.md

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+# react-rm
+
+This program serves as a small command-line utility to remove all reactions 
+from any issue in a given repository.
+
+## Prerequisites
+
+### Github API Token
+
+This program uses the Github personal access token for authorization and authentication.
+
+To create a new Github Token, follow the [GitHub documentation](https://docs.github.com/en/github/authenticating-to-github/creating-a-personal-access-token#creating-a-token).
+
+This application requires the `repo` access
+
+![Image of repository settings](./docs/repo.png)
+
+### Configuration file
+
+The program expects a configuration file. See the example [github-cli](./docs/github-cli.yml).
+
+Copy this configuration file into the default `~/.config` location:
+
+```
+cp docs/github-cli.yml ~/.config/
+```
+
+Alternatively, you can use any other location on the system. The program uses the `-c` flag for
+passing a configuration file path, e.g.:
+
+```
+issue-rm -c github-cli
+```
+
+Edit the configuration file with your values. 
+
+## Building
+
+To build the Go binary, execute:
+
+```
+make
+```
+
+To cross-compile for Linux and macOS, execute:
+
+```
+make build-all
+```
+
+Binaries are saved into the `bin` directory
+
+## Executing
+
+To execute the program, execute: 
+
+```
+make run
+```

docs/github-cli.yml

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+auth:
+  personal_access_token: "access-token"
+  login: "github-username"
+
+repo:
+  owner: "repository organization (owner)"
+  name: "repository name"

go.mod

@@ -0,0 +1,10 @@
+module github.com/m-czernek/issue-rm
+
+go 1.13
+
+require (
+	github.com/google/go-github/v32 v32.1.0
+	golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d
+	gopkg.in/yaml.v2 v2.3.0
+	sigs.k8s.io/controller-runtime v0.6.1
+)

main/config.go

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+package main
+
+import (
+	"fmt"
+	"os"
+
+	"gopkg.in/yaml.v2"
+)
+
+type Config struct {
+	Auth `yaml:"auth"`
+	Repo `yaml:"repo"`
+}
+
+type Auth struct {
+	Token string `yaml:"personal_access_token"`
+	Login string `yaml:"login"`
+}
+
+type Repo struct {
+	Name  string `yaml:"name"`
+	Owner string `yaml:"owner"`
+}
+
+func GetConfig(path string) (*Config, error) {
+	f, err := os.Open(path)
+	defer f.Close()
+	if err != nil {
+		return nil, err
+	}
+	var cfg Config
+	decoder := yaml.NewDecoder(f)
+	err = decoder.Decode(&cfg)
+	return &cfg, err
+}
+
+func (r Repo) String() string {
+	return fmt.Sprintf("%v/%v", r.Owner, r.Name)
+}

main/main.go

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+package main
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"os"
+	"path"
+	"sync"
+
+	"github.com/google/go-github/v32/github"
+	"golang.org/x/oauth2"
+)
+
+var configPath string
+var removed int = 0
+
+func main() {
+	parseCmdFlags()
+	cfg, err := GetConfig(configPath)
+	if err != nil {
+		fmt.Printf("Could not parse configuration yaml: %v\n", err)
+		os.Exit(1)
+	}
+
+	client := getGithubClient(cfg)
+
+	var wg sync.WaitGroup
+
+	issues, _, _ := client.Issues.ListByRepo(context.Background(), cfg.Repo.Owner, cfg.Repo.Name, nil)
+	wg.Add(len(issues))
+
+	for _, issue := range issues {
+		go deleteIssueReactions(&wg, client, cfg, *issue.Number)
+	}
+	wg.Wait()
+	fmt.Printf("Successfully removed %d issue reactions from repo %v\n", removed, cfg.Repo)
+}
+
+func deleteIssueReactions(wg *sync.WaitGroup, client *github.Client, cfg *Config, issueNumber int) {
+	defer wg.Done()
+	ctx := context.Background()
+	reactions, _, _ := client.Reactions.ListIssueReactions(ctx, cfg.Repo.Owner, cfg.Repo.Name, issueNumber, nil)
+	for _, reaction := range reactions {
+		if *reaction.User.Login == cfg.Auth.Login {
+			_, err := client.Reactions.DeleteIssueReaction(ctx, cfg.Repo.Owner, cfg.Repo.Name, issueNumber, *reaction.ID)
+			if err != nil {
+				fmt.Println("[ERR] Could not delete reaction ", reaction)
+				fmt.Println(err)
+			} else {
+				removed++
+			}
+		}
+	}
+}
+
+func getDefaultConfigPath() string {
+	home, _ := os.UserHomeDir()
+	return path.Join(home, ".config", "github-cli.yml")
+}
+
+func parseCmdFlags() {
+	flag.StringVar(&configPath, "c", getDefaultConfigPath(), "A path to the YAML configuration file (default: "+getDefaultConfigPath()+")")
+	flag.Parse()
+}
+
+func getGithubClient(cfg *Config) *github.Client {
+	ctx := context.Background()
+	ts := oauth2.StaticTokenSource(
+		&oauth2.Token{AccessToken: cfg.Auth.Token},
+	)
+	tc := oauth2.NewClient(ctx, ts)
+	return github.NewClient(tc)
+}