# all files / red/api/admin/ flows.js

91.49% Statements 43/47
92.31% Branches 24/26
85.71% Functions 6/7
91.49% Lines 43/47

    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    11
    12
    13
    14
    15
    16
    17
    18
    19
    20
    21
    22
    23
    24
    25
    26
    27
    28
    29
    30
    31
    32
    33
    34
    35
    36
    37
    38
    39
    40
    41
    42
    43
    44
    45
    46
    47
    48
    49
    50
    51
    52
    53
    54
    55
    56
    57
    58
    59
    60
    61
    62
    63
    64
    65
    66
    67
    68
    69
    70
    71
    72
    73
    74
    75
    76
    77
    78
    79
    80
    81
    82
    83
    84
    85
    86
    87
    88

    1×
    1×
    1×

    1×

    10×
    10×
    10×

    3×
    3×
    1×
    1×
    2×
    1×
    1×

    1×
    1×

    8×
    8×
    1×
    1×
    1×

    7×
    7×
    7×
    7×
    1×
    1×
    1×

    6×
    6×
    3×
    3×
    2×
    2×

    1×

    5×
    4×
    2×
    2×
    2×

    1×
    1×
    1×

     /**
     * Copyright JS Foundation and other contributors, http://js.foundation
     *
     * Licensed under the Apache License, Version 2.0 (the "License");
     * you may not use this file except in compliance with the License.
     * You may obtain a copy of the License at
     *
     * http://www.apache.org/licenses/LICENSE-2.0
     *
     * Unless required by applicable law or agreed to in writing, software
     * distributed under the License is distributed on an "AS IS" BASIS,
     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     * See the License for the specific language governing permissions and
     * limitations under the License.
     **/

    var log;
    var redNodes;
    var settings;

    module.exports = {
        init: function(runtime) {
            settings = runtime.settings;
            redNodes = runtime.nodes;
            log = runtime.log;
        },
        get: function(req,res) {
            var version = req.get("Node-RED-API-Version")||"v1";
            if (version === "v1") {
                log.audit({event: "flows.get",version:"v1"},req);
                res.json(redNodes.getFlows().flows);
            } else if (version === "v2") {
                log.audit({event: "flows.get",version:"v2"},req);
                res.json(redNodes.getFlows());
            } else {
                log.audit({event: "flows.get",version:version,error:"invalid_api_version"},req);
                res.status(400).json({code:"invalid_api_version", message:"Invalid API Version requested"});
            }
        },
        post: function(req,res) {
            var version = req.get("Node-RED-API-Version")||"v1";
            if (!/^v[12]$/.test(version)) {
                log.audit({event: "flows.set",version:version,error:"invalid_api_version"},req);
                res.status(400).json({code:"invalid_api_version", message:"Invalid API Version requested"});
                return;
            }
            var flows = req.body;
            var deploymentType = req.get("Node-RED-Deployment-Type")||"full";
            log.audit({event: "flows.set",type:deploymentType,version:version},req);
            if (deploymentType === 'reload') {
                redNodes.loadFlows().then(function(flowId) {
                    Eif (version === "v1") {
                        res.status(204).end();
                    } else {
                        res.json({rev:flowId});
                    }
                }).otherwise(function(err) {
                    log.warn(log._("api.flows.error-reload",{message:err.message}));
                    log.warn(err.stack);
                    res.status(500).json({error:"unexpected_error", message:err.message});
                });
            } else {
                var flowConfig = flows;
                if (version === "v2") {
                    flowConfig = flows.flows;
                    if (flows.hasOwnProperty('rev')) {
                        var currentVersion = redNodes.getFlows().rev;
                        if (currentVersion !== flows.rev) {
                            //TODO: log warning
                            return res.status(409).json({code:"version_mismatch"});
                        }
                    }
                }
                redNodes.setFlows(flowConfig,deploymentType).then(function(flowId) {
                    if (version === "v1") {
                        res.status(204).end();
                    } else Eif (version === "v2") {
                        res.json({rev:flowId});
                    }
                }).otherwise(function(err) {
                    log.warn(log._("api.flows.error-save",{message:err.message}));
                    log.warn(err.stack);
                    res.status(500).json({error:"unexpected_error", message:err.message});
                });
            }
        }
    }