Golang Nodes示例

示例#1

文件： nodeController.go 项目： wilke/Shock

// GET: /node
// To do:
// - Iterate node queries
func (cr *NodeController) ReadMany(cx *goweb.Context) {
	// Log Request and check for Auth
	LogRequest(cx.Request)
	u, err := AuthenticateRequest(cx.Request)
	if err != nil && err.Error() != e.NoAuth {
		handleAuthError(err, cx)
		return
	}

	// Gather query params
	query := &Query{list: cx.Request.URL.Query()}

	// Setup query and nodes objects
	q := bson.M{}
	nodes := store.Nodes{}

	if u != nil {
		// Admin sees all
		if !u.Admin {
			q["$or"] = []bson.M{bson.M{"acl.read": []string{}}, bson.M{"acl.read": u.Uuid}}
		}
	} else {
		if conf.ANON_READ {
			// select on only nodes with no read rights set
			q["acl.read"] = []string{}
		} else {
			cx.RespondWithErrorMessage(e.NoAuth, http.StatusUnauthorized)
			return
		}
	}

	// Gather params to make db query. Do not include the
	// following list.
	skip := map[string]int{"limit": 1, "skip": 1, "query": 1}
	if query.Has("query") {
		for key, val := range query.All() {
			_, s := skip[key]
			if !s {
				q[fmt.Sprintf("attributes.%s", key)] = val[0]
			}
		}
	}

	// Limit and skip. Set default if both are not specified
	if query.Has("limit") || query.Has("skip") {
		var lim, off int
		if query.Has("limit") {
			lim, _ = strconv.Atoi(query.Value("limit"))
		} else {
			lim = 100
		}
		if query.Has("skip") {
			off, _ = strconv.Atoi(query.Value("skip"))
		} else {
			off = 0
		}
		// Get nodes from db
		err := nodes.GetAllLimitOffset(q, lim, off)
		if err != nil {
			log.Error("err " + err.Error())
			cx.RespondWithError(http.StatusBadRequest)
			return
		}
	} else {
		// Get nodes from db
		err := nodes.GetAll(q)
		if err != nil {
			log.Error("err " + err.Error())
			cx.RespondWithError(http.StatusBadRequest)
			return
		}
	}

	cx.RespondWithData(nodes)
	return
}

示例#2

文件： nodeController.go 项目： gingi/Shock

// GET: /node
// To do:
// - Iterate node queries
func (cr *NodeController) ReadMany(cx *goweb.Context) {
	// Log Request and check for Auth
	LogRequest(cx.Request)
	u, err := AuthenticateRequest(cx.Request)
	if err != nil {
		// No Auth is not damning. Other errors are probably a dead db connection
		if err.Error() != e.NoAuth {
			if err.Error() == e.MongoDocNotFound {
				cx.RespondWithErrorMessage("Invalid username or password", http.StatusBadRequest)
				return
			} else {
				fmt.Println("Error at Auth:", err.Error())
				cx.RespondWithError(http.StatusInternalServerError)
				return
			}
		}
	}

	// Gather query params
	query := &Query{list: cx.Request.URL.Query()}

	// Setup query and nodes objects
	q := bson.M{}
	nodes := new(store.Nodes)

	if u != nil {
		// Admin sees all
		if !u.Admin {
			q["$or"] = []bson.M{bson.M{"acl.read": []string{}}, bson.M{"acl.read": u.Uuid}}
		}
	} else {
		// select on only nodes with no read rights set
		q["acl.read"] = []string{}
	}

	// Gather params to make db query. Do not include the
	// following list.
	skip := map[string]int{"limit": 1, "skip": 1, "query": 1}
	if query.Has("query") {
		for key, val := range query.All() {
			_, s := skip[key]
			if !s {
				q[fmt.Sprintf("attributes.%s", key)] = val[0]
			}
		}
	}

	// Limit and skip. Set default if both are not specified
	if query.Has("limit") || query.Has("skip") {
		var lim, off int
		if query.Has("limit") {
			lim, _ = strconv.Atoi(query.Value("limit"))
		} else {
			lim = 100
		}
		if query.Has("skip") {
			off, _ = strconv.Atoi(query.Value("skip"))
		} else {
			off = 0
		}
		// Get nodes from db
		err := nodes.GetAllLimitOffset(q, lim, off)
		if err != nil {
			fmt.Println("err", err.Error())
			cx.RespondWithError(http.StatusBadRequest)
			return
		}
	} else {
		// Get nodes from db
		err := nodes.GetAll(q)
		if err != nil {
			fmt.Println("err", err.Error())
			cx.RespondWithError(http.StatusBadRequest)
			return
		}
	}

	cx.RespondWithData(nodes)
	return
}