Golang Topic.IsUserReadAccess方法代码示例

// EnableNotificationsTopic enable notication on one topic
func (*UsersController) EnableNotificationsTopic(ctx *gin.Context) {
	topicIn, err := GetParam(ctx, "topic")
	if err != nil {
		return
	}
	user, err := PreCheckUser(ctx)
	if err != nil {
		return
	}

	var topic = models.Topic{}
	err = topic.FindByTopic(topicIn, true)
	if err != nil {
		AbortWithReturnError(ctx, http.StatusBadRequest, errors.New("topic "+topicIn+" does not exist"))
		return
	}

	isReadAccess := topic.IsUserReadAccess(user)
	if !isReadAccess {
		AbortWithReturnError(ctx, http.StatusForbidden, errors.New("No Read Access to this topic"))
		return
	}

	err = user.EnableNotificationsTopic(topic.Topic)
	if err != nil {
		AbortWithReturnError(ctx, http.StatusInternalServerError, fmt.Errorf("Error while enable notication on topic %s to user:%s", topic.Topic, user.Username))
		return
	}
	ctx.JSON(http.StatusCreated, gin.H{"info": fmt.Sprintf("Notications enabled on Topic %s", topic.Topic)})
}

func (m *MessagesController) likeOrUnlike(ctx *gin.Context, action string, message models.Message, topic models.Topic, user models.User) {
	isReadAccess := topic.IsUserReadAccess(user)
	if !isReadAccess {
		ctx.AbortWithError(http.StatusInternalServerError, errors.New("No Read Access to topic "+message.Topics[0]))
		return
	}

	info := ""
	if action == "like" {
		err := message.Like(user)
		if err != nil {
			log.Errorf("Error while like a message %s", err)
			ctx.AbortWithError(http.StatusInternalServerError, err)
			return
		}
		info = "like added"
	} else if action == "unlike" {
		err := message.Unlike(user)
		if err != nil {
			log.Errorf("Error while like a message %s", err)
			ctx.AbortWithError(http.StatusInternalServerError, err)
			return
		}
		info = "like removed"
	} else {
		ctx.JSON(http.StatusBadRequest, gin.H{"error": fmt.Sprintf("Invalid action : " + action)})
		return
	}
	go models.WSMessage(&models.WSMessageJSON{Action: action, Username: user.Username, Message: message})
	ctx.JSON(http.StatusCreated, gin.H{"info": info})
}

func (m *PresencesController) listWithCriteria(ctx *gin.Context, criteria *models.PresenceCriteria) {
	user, e := m.preCheckUser(ctx)
	if e != nil {
		return
	}
	var topic = models.Topic{}
	err := topic.FindByTopic(criteria.Topic, true)
	if err != nil {
		ctx.AbortWithError(http.StatusBadRequest, errors.New("topic "+criteria.Topic+" does not exist"))
		return
	}

	isReadAccess := topic.IsUserReadAccess(user)
	if !isReadAccess {
		ctx.AbortWithError(http.StatusForbidden, errors.New("No Read Access to this topic."))
		return
	}
	// add / if search on topic
	// as topic is in path, it can't start with a /
	if criteria.Topic != "" && string(criteria.Topic[0]) != "/" {
		criteria.Topic = "/" + criteria.Topic
	}

	topicDM := "/Private/" + utils.GetCtxUsername(ctx) + "/DM/"
	if strings.HasPrefix(criteria.Topic, topicDM) {
		part := strings.Split(criteria.Topic, "/")
		if len(part) != 5 {
			log.Errorf("wrong topic name for DM")
			ctx.AbortWithError(http.StatusInternalServerError, errors.New("Wrong topic name for DM:"+criteria.Topic))
			return
		}
		topicInverse := "/Private/" + part[4] + "/DM/" + utils.GetCtxUsername(ctx)
		criteria.Topic = criteria.Topic + "," + topicInverse
	}

	count, presences, err := models.ListPresences(criteria)
	if err != nil {
		ctx.AbortWithError(http.StatusInternalServerError, err)
		return
	}
	out := &presencesJSON{
		Count:     count,
		Presences: presences,
	}
	ctx.JSON(http.StatusOK, out)
}

// List messages on one topic, with given criterias
func (m *MessagesController) List(ctx *gin.Context) {
	var criteria = m.buildCriteria(ctx)
	presenceArg := ctx.Query("presence")
	topicIn, err := GetParam(ctx, "topic")
	if err != nil {
		return
	}
	criteria.Topic = topicIn

	// add / if search on topic
	// as topic is in path, it can't start with a /
	if criteria.Topic != "" && string(criteria.Topic[0]) != "/" {
		criteria.Topic = "/" + criteria.Topic
	}

	var topic = models.Topic{}
	err = topic.FindByTopic(criteria.Topic, true)
	if err != nil {
		topicCriteria := ""
		_, topicCriteria, err = m.checkDMTopic(ctx, criteria.Topic)
		if err != nil {
			ctx.JSON(http.StatusBadRequest, gin.H{"error": "topic " + criteria.Topic + " does not exist"})
			return
		}
		// hack to get new created DM Topic
		err := topic.FindByTopic(criteria.Topic, true)
		if err != nil {
			ctx.JSON(http.StatusBadRequest, gin.H{"error": "topic " + criteria.Topic + " does not exist (2)"})
			return
		}
		criteria.Topic = topicCriteria
	}

	out := &messagesJSON{}

	var user models.User
	var e error
	if utils.GetCtxUsername(ctx) != "" {
		user, e = PreCheckUser(ctx)
		if e != nil {
			return
		}
		isReadAccess := topic.IsUserReadAccess(user)
		if !isReadAccess {
			ctx.JSON(http.StatusForbidden, gin.H{"error": "No Read Access to this topic"})
			return
		}
		out.IsTopicRw = topic.IsUserRW(&user)
	} else if !topic.IsROPublic {
		ctx.JSON(http.StatusForbidden, gin.H{"error": "No Public Read Access Public to this topic"})
		return
	} else if topic.IsROPublic && strings.HasPrefix(topic.Topic, "/Private") {
		ctx.JSON(http.StatusForbidden, gin.H{"error": "No Public Read Access to this topic"})
		return
	}

	// send presence
	if presenceArg != "" && !user.IsSystem {
		go func() {
			var presence = models.Presence{}
			err := presence.Upsert(user, topic, presenceArg)
			if err != nil {
				log.Errorf("Error while InsertPresence %s", err)
			}
			go models.WSPresence(&models.WSPresenceJSON{Action: "create", Presence: presence})
		}()

	}

	messages, err := models.ListMessages(criteria)
	if err != nil {
		ctx.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
		return
	}

	out.Messages = messages
	ctx.JSON(http.StatusOK, out)
}