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User can now create a polygon

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main
Fan-Wu Yang 7 years ago
parent b448b2537d
commit b8c886ff4c
6 changed files with 229 additions and 141 deletions
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2
api/config/db.js
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@ -9,7 +9,7 @@ exports.connect = function(done){
state.pool = mysql.createPool({
host: 'localhost',
user: 'root',
password: 'root',
password: '',
port: 3306,
database: "territory-walker",
//multipleStatements: true

274
api/package-lock.json generated
Unescape View File

@ -9,10 +9,10 @@
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@ -20,7 +20,7 @@
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@ -55,7 +55,7 @@
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@ -69,7 +69,7 @@
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@ -78,10 +78,10 @@
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@ -99,7 +99,7 @@
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@ -118,10 +118,10 @@
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@ -139,7 +139,7 @@
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@ -174,7 +174,7 @@
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@ -183,8 +183,8 @@
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@ -197,7 +197,7 @@
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@ -230,9 +230,9 @@
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@ -245,9 +245,9 @@
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@ -260,7 +260,7 @@
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@ -269,11 +269,11 @@
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@ -291,8 +291,8 @@
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@ -300,10 +300,10 @@
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@ -316,9 +316,9 @@
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@ -327,8 +327,8 @@
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@ -431,7 +431,7 @@
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@ -466,9 +466,9 @@
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"extsprintf": "1.3.0"
}
},
"wbuf": {
@ -832,7 +832,7 @@
"resolved": "https://registry.npmjs.org/wbuf/-/wbuf-1.7.3.tgz",
"integrity": "sha512-O84QOnr0icsbFGLS0O3bI5FswxzRr8/gHwWkDlQFskhSPryQXvrTMxjxGP4+iWYoauLoBvfDpkrOauZ+0iZpDA==",
"requires": {
"minimalistic-assert": "^1.0.0"
"minimalistic-assert": "1.0.1"
}
},
"wrappy": {

16
api/res/setup_sql.sql
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@ -23,7 +23,7 @@ CREATE TABLE `userJoinedGames` (
);
CREATE TABLE `polygonArea` (
gameID VARCHAR(6) UNIQUE NOT NULL,
gameID VARCHAR(6) NOT NULL,
polygonID VARCHAR(36) UNIQUE NOT NULL,
userID VARCHAR(6) NOT NULL,
area DOUBLE(30,4) NOT NULL,
@ -53,6 +53,20 @@ BEGIN
END //
DELIMITER ;
DELIMITER //
CREATE PROCEDURE insertPolygon
(IN gID VARCHAR(6),
IN usID VARCHAR(6),
IN a DOUBLE(30,4))
BEGIN
DECLARE lastid VARCHAR(36) DEFAULT UUID();
INSERT INTO `polygonArea` (gameID, polygonID, userID, area) VALUES
(gID, lastid, usID, a);
SELECT * FROM `polygonArea` WHERE polygonID = lastid;
END //
DELIMITER ;
INSERT INTO `gameInstances` (gameID) VALUES ("samdum");
INSERT INTO `users` (userID, nickname) VALUES ("samded", "Lesmaux");
INSERT INTO `users` (userID, nickname) VALUES ("fanded", "Umbra Sheep");

9
api/routes/routes.js
Unescape View File

@ -13,4 +13,13 @@ module.exports = function (server) {
return next();
});
server.post("/polygon", function (req, res, next) {
if (versioner.currentVersion === 1) {
apiV1.isPolygon(req, res);
return next();
}
res.send(200);
return next();
});
};

56
api/v1/api.js
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@ -1,10 +1,11 @@
let db = require("../config/db.js");
let mathFunc = require("./mathFunc.js");
let util = require("util");
module.exports = {
getPolygons : function (req, res) {
if (req.query.gameID != null) {
let query = "CALL getPolygonPoints(\"samdum\");";
console.log("hi");
let query = "CALL getPolygonPoints(\"" + req.query.gameID + "\");";
db.get().query(query, function(err, rows){
if (err) return res.send(400);
res.send(rows[0]);
@ -13,5 +14,56 @@ module.exports = {
} else {
res.send(500);
}
},
isPolygon: function (req, res) {
if (req.body.gameID != null && req.body.userID != null && req.body.points != null) {
let gameID = req.body.gameID;
let userID = req.body.userID;
let points = JSON.parse(req.body.points);
console.log(points);
if (points.length < 2) {
res.send([]);
} else {
let firstPoint = points[0];
let lastPoint = points[points.length - 1];
let distance = mathFunc.gpsToMeters(firstPoint.lat, firstPoint.lng, lastPoint.lat, lastPoint.lng);
console.log(distance);
if (distance < 3) {
//area is just 1 for now we fix later.
query = util.format("CALL insertPolygon(\"%s\", \"%s\", 1)", gameID, userID);
db.get().query(query, function(err, rows) {
if (err) {
console.log(err);
return res.send(400);
}
let polygonID = rows[0][0].polygonID;
query = "INSERT INTO polygonPoints (polygonID, lat, lng) VALUES ";
let delimiterNecessary = false;
points.map((point) => {
if (delimiterNecessary) {
query += ",";
}
query += util.format("(\"%s\",%s,%s)", polygonID, point.lat, point.lng);
delimiterNecessary = true;
});
query += ";";
db.get().query(query, function(err, pointRows) {
if (err) {
console.log(err);
return res.send(400);
}
res.send(rows[0][0]);
return;
});
});
} else {
res.send([]);
}
}
}
}
}

13
api/v1/mathFunc.js
Unescape View File

@ -0,0 +1,13 @@
module.exports = {
gpsToMeters: function (lat1, lon1, lat2, lon2){ // generally used geo measurement function
var R = 6378.137; // Radius of earth in KM
var dLat = lat2 * Math.PI / 180 - lat1 * Math.PI / 180;
var dLon = lon2 * Math.PI / 180 - lon1 * Math.PI / 180;
var a = Math.sin(dLat/2) * Math.sin(dLat/2) +
Math.cos(lat1 * Math.PI / 180) * Math.cos(lat2 * Math.PI / 180) *
Math.sin(dLon/2) * Math.sin(dLon/2);
var c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a));
var d = R * c;
return d * 1000; // meters
}
}
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