node-red-nodes/storage/postgres/110-postgres.html

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  Copyright 2013 Kris Daniels.

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<script type="text/x-red" data-template-name="postgresdb">
    <div class="form-row">
        <label for="node-config-input-hostname"><i class="icon-bookmark"></i> Host</label>
        <input class="input-append-left" type="text" id="node-config-input-hostname" placeholder="localhost" style="width: 40%;" >
        <label for="node-config-input-port" style="margin-left: 10px; width: 35px; "> Port</label>
        <input type="text" id="node-config-input-port" placeholder="5432" style="width:45px">
    </div>
    <div class="form-row">
        <label for="node-config-input-db"><i class="icon-briefcase"></i> Database</label>
        <input type="text" id="node-config-input-db" placeholder="test">
    </div>
    <div class="form-row">
        <label for="node-config-input-name"><i class="icon-user"></i> Username</label>
        <input type="text" id="node-config-input-username" placeholder="postgres">
        <label for="node-config-input-password"><i class="icon-lock"></i> Password</label>
        <input type="password" id="node-config-input-password" placeholder="postgres">
    </div>
</script>

<script type="text/javascript">
    RED.nodes.registerType('postgresdb',{
        category: 'config',
        color:"rgb(218, 196, 180)",
        defaults: {
            hostname: { value:"localhost",required:true},
            port: { value: 5432,required:true},
            db: { value:"postgres",required:true},
            username: { value:"postgres", required:true },
            password: { value:"postgres", required:true }
        },
        label: function() {
            return this.name||this.hostname+":"+this.port+"/"+this.db;
        }
    });
</script>

<script type="text/x-red" data-template-name="postgres">
	 <div class="form-row">
        <label for="node-input-name"><i class="icon-tag"></i> Name</label>
        <input type="text" id="node-input-name" placeholder="Name">
    </div>
    <div class="form-row">
        <label for="node-input-postgresdb"><i class="icon-tag"></i> Server</label>
        <input type="text" id="node-input-postgresdb">
    </div>
    <div class="form-row">
        <label for="node-input-collection"><i class="icon-briefcase"></i> Query</label>
        <input type="hidden" id="node-input-sqlquery" autofocus="autofocus">
        <div style="height: 250px;" class="node-text-editor" id="node-input-sqlquery-editor"></div>
    </div>
     <div class="form-row">
        <label for="node-input-outputs"><i class="icon-random"></i> Outputs</label>
        <input id="node-input-outputs" style="width: 60px; height: 1.7em;" value="0">
    </div>
</script>

<script type="text/x-red" data-help-name="postgres">
    <p>A PostgreSql I/O node. </p>
    <p>Executes the specified query with the msg.payload as query parameters</p>
    <p>The parameters in the query must be specified as $propertyname</p>
    <p>ex. if the property is msg.payload.value then the query parameter should be $value</p>
    <p>This node can be used to write and read from a Postgres database</p>
    <p>To receive the results from a query, simply set the outputs to 1 and connect a node</p>
    <p>The msg.payload on the output will be a json array of the returned records</p>
    <p></p>
    <p><b>Payload example</b></p>
     <p><pre>
msg.payload = { 
	'sensorid': 1, 
	'value': 2 
}</pre></p>
    <p><b>Insert example</b></p>
    <p><pre>
insert into table (field1, field2) 
values ($sensorid, $value)</pre></p>

    <p></p>
    <p><b>Select example</b></p>
    <p><pre>
select * from table 
where field1 = $sensorid 
order by time desc 
limit 1</pre></p>
    
</script>

<script type="text/javascript">
		RED.nodes.registerType('postgres',{
        category: 'storage-output',
        color:"rgb(148, 226, 252)",
        defaults: {
            postgresdb: { type:"postgresdb",required:true},
            name: {value:""},
            sqlquery: {value:"",required:true},
            outputs: {value:0}
        },
        inputs:1,
        outputs:0,
        icon: "postgres.png",
        align: "right",
        label: function() {
            return this.name||(this.sqlquery?this.sqlquery:"postgres");
        },
        labelStyle: function() {
            return this.name?"node_label_italic":"";
        },
        oneditprepare: function() {
            $( "#node-input-outputs" ).spinner({
                min:0,
                max:1
            });
            
            $( "#node-input-outputs" ).spinner( "value", this.outputs );

            function functionDialogResize(ev,ui) {
                $("#node-input-sqlquery-editor").css("height",(ui.size.height-235)+"px");
            };

            $( "#dialog" ).on("dialogresize", functionDialogResize);
            $( "#dialog" ).one("dialogopen", function(ev) {
                var size = $( "#dialog" ).dialog('option','sizeCache-function');
                if (size) {
                    functionDialogResize(null,{size:size});
                }
            });
            $( "#dialog" ).one("dialogclose", function(ev,ui) {
                var height = $( "#dialog" ).dialog('option','height');
                $( "#dialog" ).off("dialogresize",functionDialogResize);
            });
            var that = this;
            require(["orion/editor/edit"], function(edit) {
                that.editor = edit({
                    parent:document.getElementById('node-input-sqlquery-editor'),
                    lang:"sql",
                    contents: $("#node-input-sqlquery").val()
                });
                RED.library.create({
                    url:"storage", // where to get the data from
                    type:"postgres", // the type of object the library is for
                    editor:that.editor, // the field name the main text body goes to
                    fields:['name','outputs']
                });
                $("#node-input-name").focus();

            });
        },
        oneditsave: function() {
            $("#node-input-sqlquery").val(this.editor.getText())
            delete this.editor;
        }
    });
</script>