示例#1
0
func updatePost(c *Context, w http.ResponseWriter, r *http.Request) {
	post := model.PostFromJson(r.Body)

	if post == nil {
		c.SetInvalidParam("updatePost", "post")
		return
	}

	pchan := app.Srv.Store.Post().Get(post.Id)

	if !HasPermissionToChannelContext(c, post.ChannelId, model.PERMISSION_EDIT_POST) {
		return
	}

	var oldPost *model.Post
	if result := <-pchan; result.Err != nil {
		c.Err = result.Err
		return
	} else {
		oldPost = result.Data.(*model.PostList).Posts[post.Id]

		if oldPost == nil {
			c.Err = model.NewLocAppError("updatePost", "api.post.update_post.find.app_error", nil, "id="+post.Id)
			c.Err.StatusCode = http.StatusBadRequest
			return
		}

		if oldPost.UserId != c.Session.UserId {
			c.Err = model.NewLocAppError("updatePost", "api.post.update_post.permissions.app_error", nil, "oldUserId="+oldPost.UserId)
			c.Err.StatusCode = http.StatusForbidden
			return
		}

		if oldPost.DeleteAt != 0 {
			c.Err = model.NewLocAppError("updatePost", "api.post.update_post.permissions.app_error", nil,
				c.T("api.post.update_post.permissions_details.app_error", map[string]interface{}{"PostId": post.Id}))
			c.Err.StatusCode = http.StatusForbidden
			return
		}

		if oldPost.IsSystemMessage() {
			c.Err = model.NewLocAppError("updatePost", "api.post.update_post.system_message.app_error", nil, "id="+post.Id)
			c.Err.StatusCode = http.StatusForbidden
			return
		}
	}

	newPost := &model.Post{}
	*newPost = *oldPost

	newPost.Message = post.Message
	newPost.EditAt = model.GetMillis()
	newPost.Hashtags, _ = model.ParseHashtags(post.Message)

	if result := <-app.Srv.Store.Post().Update(newPost, oldPost); result.Err != nil {
		c.Err = result.Err
		return
	} else {
		rpost := result.Data.(*model.Post)

		message := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_POST_EDITED, "", rpost.ChannelId, "", nil)
		message.Add("post", rpost.ToJson())

		go app.Publish(message)

		app.InvalidateCacheForChannelPosts(rpost.ChannelId)

		w.Write([]byte(rpost.ToJson()))
	}
}
示例#2
0
func deletePost(c *Context, w http.ResponseWriter, r *http.Request) {
	params := mux.Vars(r)

	channelId := params["channel_id"]
	if len(channelId) != 26 {
		c.SetInvalidParam("deletePost", "channelId")
		return
	}

	postId := params["post_id"]
	if len(postId) != 26 {
		c.SetInvalidParam("deletePost", "postId")
		return
	}

	if !HasPermissionToChannelContext(c, channelId, model.PERMISSION_EDIT_POST) {
		return
	}

	pchan := app.Srv.Store.Post().Get(postId)

	if result := <-pchan; result.Err != nil {
		c.Err = result.Err
		return
	} else {

		post := result.Data.(*model.PostList).Posts[postId]

		if post == nil {
			c.SetInvalidParam("deletePost", "postId")
			return
		}

		if post.ChannelId != channelId {
			c.Err = model.NewLocAppError("deletePost", "api.post.delete_post.permissions.app_error", nil, "")
			c.Err.StatusCode = http.StatusForbidden
			return
		}

		if post.UserId != c.Session.UserId && !HasPermissionToChannelContext(c, post.ChannelId, model.PERMISSION_EDIT_OTHERS_POSTS) {
			c.Err = model.NewLocAppError("deletePost", "api.post.delete_post.permissions.app_error", nil, "")
			c.Err.StatusCode = http.StatusForbidden
			return
		}

		if dresult := <-app.Srv.Store.Post().Delete(postId, model.GetMillis()); dresult.Err != nil {
			c.Err = dresult.Err
			return
		}

		message := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_POST_DELETED, "", post.ChannelId, "", nil)
		message.Add("post", post.ToJson())

		go app.Publish(message)
		go DeletePostFiles(post)
		go DeleteFlaggedPost(c.Session.UserId, post)

		app.InvalidateCacheForChannelPosts(post.ChannelId)

		result := make(map[string]string)
		result["id"] = postId
		w.Write([]byte(model.MapToJson(result)))
	}
}