Add user webhooks (#21563)

Currently we can add webhooks for organizations but not for users. This
PR adds the latter. You can access it from the current users settings.


![grafik](https://user-images.githubusercontent.com/1666336/197391408-15dfdc23-b476-4d0c-82f7-9bc9b065988f.png)

routers/api/v1/user/hook.go

@@ -0,0 +1,154 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package user
+
+import (
+	"net/http"
+
+	"code.gitea.io/gitea/modules/context"
+	api "code.gitea.io/gitea/modules/structs"
+	"code.gitea.io/gitea/modules/web"
+	"code.gitea.io/gitea/routers/api/v1/utils"
+	webhook_service "code.gitea.io/gitea/services/webhook"
+)
+
+// ListHooks list the authenticated user's webhooks
+func ListHooks(ctx *context.APIContext) {
+	// swagger:operation GET /user/hooks user userListHooks
+	// ---
+	// summary: List the authenticated user's webhooks
+	// produces:
+	// - application/json
+	// parameters:
+	// - name: page
+	//   in: query
+	//   description: page number of results to return (1-based)
+	//   type: integer
+	// - name: limit
+	//   in: query
+	//   description: page size of results
+	//   type: integer
+	// responses:
+	//   "200":
+	//     "$ref": "#/responses/HookList"
+
+	utils.ListOwnerHooks(
+		ctx,
+		ctx.Doer,
+	)
+}
+
+// GetHook get the authenticated user's hook by id
+func GetHook(ctx *context.APIContext) {
+	// swagger:operation GET /user/hooks/{id} user userGetHook
+	// ---
+	// summary: Get a hook
+	// produces:
+	// - application/json
+	// parameters:
+	// - name: id
+	//   in: path
+	//   description: id of the hook to get
+	//   type: integer
+	//   format: int64
+	//   required: true
+	// responses:
+	//   "200":
+	//     "$ref": "#/responses/Hook"
+
+	hook, err := utils.GetOwnerHook(ctx, ctx.Doer.ID, ctx.ParamsInt64("id"))
+	if err != nil {
+		return
+	}
+
+	apiHook, err := webhook_service.ToHook(ctx.Doer.HomeLink(), hook)
+	if err != nil {
+		ctx.InternalServerError(err)
+		return
+	}
+	ctx.JSON(http.StatusOK, apiHook)
+}
+
+// CreateHook create a hook for the authenticated user
+func CreateHook(ctx *context.APIContext) {
+	// swagger:operation POST /user/hooks user userCreateHook
+	// ---
+	// summary: Create a hook
+	// consumes:
+	// - application/json
+	// produces:
+	// - application/json
+	// parameters:
+	// - name: body
+	//   in: body
+	//   required: true
+	//   schema:
+	//     "$ref": "#/definitions/CreateHookOption"
+	// responses:
+	//   "201":
+	//     "$ref": "#/responses/Hook"
+
+	utils.AddOwnerHook(
+		ctx,
+		ctx.Doer,
+		web.GetForm(ctx).(*api.CreateHookOption),
+	)
+}
+
+// EditHook modify a hook of the authenticated user
+func EditHook(ctx *context.APIContext) {
+	// swagger:operation PATCH /user/hooks/{id} user userEditHook
+	// ---
+	// summary: Update a hook
+	// consumes:
+	// - application/json
+	// produces:
+	// - application/json
+	// parameters:
+	// - name: id
+	//   in: path
+	//   description: id of the hook to update
+	//   type: integer
+	//   format: int64
+	//   required: true
+	// - name: body
+	//   in: body
+	//   schema:
+	//     "$ref": "#/definitions/EditHookOption"
+	// responses:
+	//   "200":
+	//     "$ref": "#/responses/Hook"
+
+	utils.EditOwnerHook(
+		ctx,
+		ctx.Doer,
+		web.GetForm(ctx).(*api.EditHookOption),
+		ctx.ParamsInt64("id"),
+	)
+}
+
+// DeleteHook delete a hook of the authenticated user
+func DeleteHook(ctx *context.APIContext) {
+	// swagger:operation DELETE /user/hooks/{id} user userDeleteHook
+	// ---
+	// summary: Delete a hook
+	// produces:
+	// - application/json
+	// parameters:
+	// - name: id
+	//   in: path
+	//   description: id of the hook to delete
+	//   type: integer
+	//   format: int64
+	//   required: true
+	// responses:
+	//   "204":
+	//     "$ref": "#/responses/empty"
+
+	utils.DeleteOwnerHook(
+		ctx,
+		ctx.Doer,
+		ctx.ParamsInt64("id"),
+	)
+}