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Code Issues Releases Wiki Activity

Added update functionality to mongodb out node

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This commit is contained in:
Anna Thomas 2014-09-18 15:31:10 +01:00
parent abd3d752f5
commit 4f2e4b58e4
2 changed files with 69 additions and 31 deletions
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67
nodes/core/storage/66-mongodb.html
View File

@ -72,50 +72,76 @@
<div class="form-row"> <div class="form-row">
<label for="node-input-operation"><i class="fa fa-wrench"></i> Operation</label> <label for="node-input-operation"><i class="fa fa-wrench"></i> Operation</label>
<select type="text" id="node-input-operation" style="display: inline-block; vertical-align: top;"> <select type="text" id="node-input-operation" style="display: inline-block; vertical-align: top;">
<option value="store">save</option> <option value="save">save</option>
<option value="insert">insert</option> <option value="insert">insert</option>
<!-- <option value="update">update</option> --> <option value="update">update</option>
<option value="delete">remove</option> <option value="delete">remove</option>
</select> </select>
</div> </div>
<div class="form-row node-input-payonly"> <div class="form-row node-input-payonly">
<label>&nbsp;</label> <label>&nbsp;</label>
<input type="checkbox" id="node-input-payonly" placeholder="Only" style="display: inline-block; width: auto; vertical-align: top;"> <input type="checkbox" id="node-input-payonly" placeholder="Only" style="display: inline-block; width: auto; vertical-align: top;">
<label for="node-input-payonly" style="width: 70%;">Only store msg.payload object ?</label> <label for="node-input-payonly" style="width: 70%;">Only store msg.payload object</label>
</div>
<div class="form-row node-input-upsert">
<label>&nbsp;</label>
<input type="checkbox" id="node-input-upsert" placeholder="Only" style="display: inline-block; width: auto; vertical-align: top;">
<label for="node-input-upsert" style="width: 70%;">Create a new document if no match found</label>
</div>
<div class="form-row node-input-multi">
<label>&nbsp;</label>
<input type="checkbox" id="node-input-multi" placeholder="Only" style="display: inline-block; width: auto; vertical-align: top;;">
<label for="node-input-multi" style="width: 70%;">Update all matching documents</label>
</div> </div>
<div class="form-row"> <div class="form-row">
<label for="node-input-name"><i class="fa fa-tag"></i> Name</label> <label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
<input type="text" id="node-input-name" placeholder="Name"> <input type="text" id="node-input-name" placeholder="Name">
</div> </div>
<script>
$("#node-input-operation").change(function() {
var id = $("#node-input-operation option:selected").val();
if (id == "delete") $(".node-input-payonly").hide();
else $(".node-input-payonly").show();
});
</script>
</script> </script>
<script type="text/x-red" data-help-name="mongodb out"> <script type="text/x-red" data-help-name="mongodb out">
<p>A simple MongoDB output node. Stores the <b>msg</b> object in a chosen collection.</p> <p>A simple MongoDB output node. Can save, insert, update and remove objects from a chosen collection.</p>
<p>Save will update an existing object or insert a new object if one does not already exist.</p>
<p>Insert will insert a new object.</p>
<p>Save and insert either store <b>msg</b> or <b>msg.payload</b>.</p>
<p>Update will modify an existing object or objects. The query to select objects to update uses <b>msg.query</b> and the update to the element uses <b>msg.payload</b>.</p>
<p>Update can add a object if it does not exist or update multiple objects.</p>
<p>Remove will remove objects that match the query passed in on <b>msg.payload</b>. A blank query will delete <i>all of the objects</i> in the collection.</p>
<p>By default MongoDB creates an <i>_id</i> property as the primary key - so repeated injections of the same <b>msg</b> will result in many database entries.</p> <p>By default MongoDB creates an <i>_id</i> property as the primary key - so repeated injections of the same <b>msg</b> will result in many database entries.</p>
<p>If this is NOT the desired behaviour - ie you want repeated entries to overwrite, then you must set the <b>msg._id</b> property to be a constant by the use of a previous function node.</p> <p>If this is NOT the desired behaviour - ie. you want repeated entries to overwrite, then you must set the <b>msg._id</b> property to be a constant by the use of a previous function node.</p>
<p>This could be a unique constant or you could create one based on some other msg property.</p> <p>This could be a unique constant or you could create one based on some other msg property.</p>
<p>Currently we do not limit or cap the collection size at all... this may well change.</p> <p>Currently we do not limit or cap the collection size at all... this may well change.</p>
<p>You can also choose to <b>remove</b> items. To do so the <b>msg.payload</b> <i>MUST</i> contain an object that will select the items(s) to remove.
A blank object will delete <i>all of the objects</i> in the collection.</p>
</script> </script>
<script type="text/javascript"> <script type="text/javascript">
function oneditprepare() {
$("#node-input-operation").change(function () {
var id = $("#node-input-operation option:selected").val();
if (id === "update") {
$(".node-input-payonly").hide();
$(".node-input-upsert, .node-input-multi").show();
} else if (id == "delete") {
$(".node-input-payonly, .node-input-upsert, .node-input-multi").hide();
} else {
$(".node-input-payonly").show();
$(".node-input-upsert, .node-input-multi").hide();
}
});
}
RED.nodes.registerType('mongodb out',{ RED.nodes.registerType('mongodb out',{
category: 'storage-output', category: 'storage-output',
color:"rgb(218, 196, 180)", color:"rgb(218, 196, 180)",
defaults: { defaults: {
mongodb: { type:"mongodb",required:true}, mongodb: {type: "mongodb", required: true},
name: {value:""}, name: {value: ""},
collection: {value:"",required:true}, collection: {value: "", required: true},
payonly: {value:false}, payonly: {value: false},
operation: {value:"store"} upsert: {value: false},
multi: {value: false},
operation: {value: "save"}
}, },
inputs:1, inputs:1,
outputs:0, outputs:0,
@ -127,7 +153,8 @@
}, },
labelStyle: function() { labelStyle: function() {
return this.name?"node_label_italic":""; return this.name?"node_label_italic":"";
} },
oneditprepare: oneditprepare
}); });
</script> </script>

33
nodes/core/storage/66-mongodb.js
View File

@ -47,6 +47,8 @@ module.exports = function(RED) {
this.collection = n.collection; this.collection = n.collection;
this.mongodb = n.mongodb; this.mongodb = n.mongodb;
this.payonly = n.payonly || false; this.payonly = n.payonly || false;
this.upsert = n.upsert || false;
this.multi = n.multi || false;
this.operation = n.operation; this.operation = n.operation;
this.mongoConfig = RED.nodes.getNode(this.mongodb); this.mongoConfig = RED.nodes.getNode(this.mongodb);
@ -59,7 +61,7 @@ module.exports = function(RED) {
node.clientDb = db; node.clientDb = db;
var coll = db.collection(node.collection); var coll = db.collection(node.collection);
node.on("input",function(msg) { node.on("input",function(msg) {
if (node.operation == "store") { if (node.operation === "save") {
delete msg._topic; delete msg._topic;
if (node.payonly) { if (node.payonly) {
if (typeof msg.payload !== "object") { msg.payload = {"payload":msg.payload}; } if (typeof msg.payload !== "object") { msg.payload = {"payload":msg.payload}; }
@ -68,7 +70,7 @@ module.exports = function(RED) {
coll.save(msg,function(err,item){if (err){node.error(err);}}); coll.save(msg,function(err,item){if (err){node.error(err);}});
} }
} }
else if (node.operation == "insert") { else if (node.operation === "insert") {
delete msg._topic; delete msg._topic;
if (node.payonly) { if (node.payonly) {
if (typeof msg.payload !== "object") { msg.payload = {"payload":msg.payload}; } if (typeof msg.payload !== "object") { msg.payload = {"payload":msg.payload}; }
@ -77,17 +79,26 @@ module.exports = function(RED) {
coll.insert(msg,function(err,item){if (err){node.error(err);}}); coll.insert(msg,function(err,item){if (err){node.error(err);}});
} }
} }
else if (node.operation == "update") { else if (node.operation === "update") {
delete msg._topic; var query = msg.query || {};
if (node.payonly) { var payload = msg.payload || {};
if (typeof msg.payload !== "object") { msg.payload = {"payload":msg.payload}; } var options = {
coll.update(msg.payload,function(err,item){ if (err){node.error(err);} }); upsert: node.upsert,
} else { multi: node.multi
coll.update(msg,function(err,item){if (err){node.error(err);}}); };
}
coll.update(query, payload, options, function(err, item) {
if (err) {
node.error(err);
}
});
} }
if (node.operation == "delete") { if (node.operation == "delete") {
coll.remove(msg.payload, {w:1}, function(err, items){ if (err) { node.error(err); } }); coll.remove(msg.payload, function(err, items) {
if (err) {
node.error(err);
}
});
} }
}); });
} }