refactor(app): split the main command file into multiples

Signed-off-by: kjuulh <contact@kjuulh.io>

internal/bot/giteabot.go

@@ -0,0 +1,67 @@
+package bot
+
+import (
+	"errors"
+	"fmt"
+	"strings"
+
+	"git.front.kjuulh.io/kjuulh/contractor/internal/models"
+	"git.front.kjuulh.io/kjuulh/contractor/internal/providers"
+)
+
+type BotHandler struct {
+	giteaClient *providers.GiteaClient
+}
+
+func NewBotHandler(gitea *providers.GiteaClient) *BotHandler {
+	return &BotHandler{giteaClient: gitea}
+}
+
+func (b *BotHandler) Handle(input string) (output string, err error) {
+	innerHandle := func(input string) (output string, err error) {
+		if strings.HasPrefix(input, "help") {
+			return b.Help(), nil
+		}
+
+		if strings.HasPrefix(input, "refresh") {
+			return `
+<h3>Contractor triggered renovate refresh on this repository</h3>
+This comment will be updated with status
+
+<!-- Status update start -->
+<!-- Status update end -->
+`, nil
+		}
+
+		return b.Help(), errors.New("could not recognize command")
+	}
+
+	output, err = innerHandle(input)
+	output = fmt.Sprintf(
+		"%s\n<small>This comment was generated by <a href='https://git.front.kjuulh.io/kjuulh/contractor'>Contractor</a></small>",
+		output,
+	)
+	return output, err
+}
+
+func (b *BotHandler) Help() string {
+	return `<details open>
+	<summary><h3>/contractor [command]</h3></summary>
+
+<strong>Commands:</strong>
+
+* /contractor help
+  *  triggers the help menu
+* /contractor refresh
+  *  triggers renovate to refresh the current pull request
+</details>`
+}
+
+func (b *BotHandler) AppendComment(
+	owner string,
+	repository string,
+	pullRequest int,
+	comment string,
+) (*models.AddCommentResponse, error) {
+	return b.giteaClient.AddComment(owner, repository, pullRequest, comment)
+}