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Finished CSV functions

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Data is now returned with columns for each tag
This commit is contained in:
Patrick McDonagh
2016-02-22 18:15:23 -06:00
parent f6884d8a15
commit 11bdf2542f
2 changed files with 7 additions and 14 deletions
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2
www/app.js
View File

@@ -74,7 +74,7 @@ app.get('/json/val/:tag', fns.latestValueS
app.get('/json/series/:tag/:hours', fns.seriesTagValues); // Gets all the values of a tag for the last X hours
app.get('/json/valBetween/:tag/:startDatetime/:endDatetime', fns.seriesTagValuesBetween); // Gets the values of a tag between the start time and end time
app.get('/json/CSV/all', fns.allDataCSV); // Gets a CSV of all values stored
app.get('/json/CSV/:tag/:startDatetime/:endDatetime', fns.seriesCSV); // Gets a CSV of the values of a tag between the start time and end time
app.get('/json/CSV/:tag/:startDatetime/:endDatetime', fns.seriesCSVBetween); // Gets a CSV of the values of a tag between the start time and end time
app.get('/json/CSV/:tag/:hours', fns.seriesCSV); // Gets a CSV of the values of a tag for the last x hours
app.get('/json/all', fns.latestValueAllTags); // Gets the latest values of all tags in the scan list
app.get('/json/config', fns.getSetup); // Gets the contents of the config table

19
www/functions_SQLite.js
View File

@@ -199,7 +199,6 @@ exports.seriesTagValuesBetween = function(req, res){
var createCSVrow = function(header, dataRow){
var i = header.indexOf(dataRow.vanityName);
console.log(i);
var csvRow = dataRow.id.toString() + "," + dataRow.dateAdded + ",";
if (i >= 0){
for (var j = 2; j < header.length; j++){
@@ -210,7 +209,6 @@ var createCSVrow = function(header, dataRow){
}
}
csvRow = csvRow.slice(0, -1) + "\r";
console.log(csvRow);
return csvRow;
}
};
@@ -256,7 +254,7 @@ exports.seriesCSV = function(req, res){
var db = new sqlite3.Database(dbFile);
db.serialize(function(){
var query = "SELECT * FROM vals WHERE tagID = ? AND dateAdded > DATETIME('now', '-1 HOUR')";
var query = "SELECT v.id, t.vanityName, v.val, v.dateAdded FROM tags t JOIN vals v ON t.id = v.tagID WHERE tagID = ? AND v.dateAdded > DATETIME('now', '-1 HOUR')";
var prepQuery = db.prepare(query);
prepQuery.all(parseInt(req.params.tag), function(err, rows){
prepQuery.finalize();
@@ -266,13 +264,10 @@ exports.seriesCSV = function(req, res){
res.json({status:"error", message:err, query:query});
} else {
var csvString = "";
var da = ["id", "DateAdded"];
var tagVanityNames = tags.map(function(t){return t.vanityName;});
var h = da.concat(tagVanityNames);
console.log(h);
var h = ["id", "DateAdded", rows[0].vanityName];
csvString = csvString + h.join(",") + "\r";
for (var i= 0; i < rows.length; i++){
csvString = csvString + createCSVrow(h, rows[i]);
csvString = csvString + [rows[i].id, rows[i].dateAdded, rows[i].val].join(",") + "\r";
}
res.set('Content-Type', 'text/csv');
res.set('Content-Disposition', "attachment;filename=tagdata.csv");
@@ -287,7 +282,7 @@ exports.seriesCSVBetween = function(req, res){
var db = new sqlite3.Database(dbFile);
db.serialize(function(){
var query = "SELECT * FROM vals WHERE tagID = ? AND dateAdded >= DATETIME(?) AND dateAdded <= DATETIME(?)";
var query = "SELECT v.id, t.vanityName, v.val, v.dateAdded FROM tags t JOIN vals v ON t.id = v.tagID WHERE tagID = ? AND dateAdded >= DATETIME(?) AND dateAdded <= DATETIME(?)";
var prepQuery = db.prepare(query);
prepQuery.all(parseInt(req.params.tag), dString_to_sqlite(req.params.startDatetime), dString_to_sqlite(req.params.endDatetime), function(err, rows){
prepQuery.finalize();
@@ -297,13 +292,11 @@ exports.seriesCSVBetween = function(req, res){
res.json({status:"error", message:err, query:query});
} else {
var csvString = "";
var h = ["ID", "Value", "DateAdded"];
var h = ["id", "DateAdded", rows[0].vanityName];
csvString = csvString + h.join(",") + "\r";
for (var i= 0; i < rows.length; i++){
var r = [rows[i].id, rows[i].val, rows[i].dateAdded];
csvString = csvString + r.join(",") + "\r";
csvString = csvString + [rows[i].id, rows[i].dateAdded, rows[i].val].join(",") + "\r";
}
res.set('Content-Type', 'text/csv');
res.set('Content-Disposition', "attachment;filename=tagdata.csv");
res.send(csvString);