You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: hook.go
    path of file: ./repos/gogs/internal/route/api/v1/repo
    
    the code of the file until where you have to start completion: // Copyright 2014 The Gogs Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.

package repo

import (
	"net/http"

	jsoniter "github.com/json-iterator/go"
	"github.com/pkg/errors"
	"github.com/unknwon/com"

	api "github.com/gogs/go-gogs-client"

	"gogs.io/gogs/internal/context"
	"gogs.io/gogs/internal/database"
	"gogs.io/gogs/internal/route/api/v1/convert"
)

// https://github.com/gogs/go-gogs-client/wiki/Repositories#list-hooks
func ListHooks(c *context.APIContext) {
	hooks, err := database.GetWebhooksByRepoID(c.Repo.Repository.ID)
	if err != nil {
		c.Errorf(err, "get webhooks by repository ID")
		return
	}

	apiHooks := make([]*api.Hook, len(hooks))
	for i := range hooks {
		apiHooks[i] = convert.ToHook(c.Repo.RepoLink, hooks[i])
	}
	c.JSONSuccess(&apiHooks)
}

// https://github.com/gogs/go-gogs-client/wiki/Repositories#create-a-hook
func
    
func EditHook(c *context.APIContext, form api.EditHookOption) {
	w, err := database.GetWebhookOfRepoByID(c.Repo.Repository.ID, c.ParamsInt64(":id"))
	if err != nil {
		c.NotFoundOrError(err, "get webhook of repository by ID")
		return
	}

	if form.Config != nil {
		if url, ok := form.Config["url"]; ok {
			w.URL = url
		}
		if ct, ok := form.Config["content_type"]; ok {
			if !database.IsValidHookContentType(ct) {
				c.ErrorStatus(http.StatusUnprocessableEntity, errors.New("Invalid content type."))
				return
			}
			w.ContentType = database.ToHookContentType(ct)
		}

		if w.HookTaskType == database.SLACK {
			if channel, ok := form.Config["channel"]; ok {
				meta, err := jsoniter.Marshal(&database.SlackMeta{
					Channel:  channel,
					Username: form.Config["username"],
					IconURL:  form.Config["icon_url"],
					Color:    form.Config["color"],
				})
				if err != nil {
					c.Errorf(err, "marshal JSON")
					return
				}
				w.Meta = string(meta)
			}
		}
	}

	// Update events
	if len(form.Events) == 0 {
		form.Events = []string{"push"}
	}
	w.PushOnly = false
	w.SendEverything = false
	w.ChooseEvents = true
	w.Create = com.IsSliceContainsStr(form.Events, string(database.HOOK_EVENT_CREATE))
	w.Delete = com.IsSliceContainsStr(form.Events, string(database.HOOK_EVENT_DELETE))
	w.Fork = com.IsSliceContainsStr(form.Events, string(database.HOOK_EVENT_FORK))
	w.Push = com.IsSliceContainsStr(form.Events, string(database.HOOK_EVENT_PUSH))
	w.Issues = com.IsSliceContainsStr(form.Events, string(database.HOOK_EVENT_ISSUES))
	w.IssueComment = com.IsSliceContainsStr(form.Events, string(database.HOOK_EVENT_ISSUE_COMMENT))
	w.PullRequest = com.IsSliceContainsStr(form.Events, string(database.HOOK_EVENT_PULL_REQUEST))
	w.Release = com.IsSliceContainsStr(form.Events, string(database.HOOK_EVENT_RELEASE))
	if err = w.UpdateEvent(); err != nil {
		c.Errorf(err, "update event")
		return
	}

	if form.Active != nil {
		w.IsActive = *form.Active
	}

	if err := database.UpdateWebhook(w); err != nil {
		c.Errorf(err, "update webhook")
		return
	}

	c.JSONSuccess(convert.ToHook(c.Repo.RepoLink, w))
}