From 7bf9cf9f25ccc6f25b83f7c9794247662dfdb1f5 Mon Sep 17 00:00:00 2001
From: dongpd <dongpd@beetinnovators.com>
Date: Tue, 4 Feb 2020 15:02:00 +0700
Subject: [PATCH] fix levenshtein

---
 api/controllers/ApiController.js | 34 +++++++++++++++++++++-----------
 1 file changed, 23 insertions(+), 11 deletions(-)

diff --git a/api/controllers/ApiController.js b/api/controllers/ApiController.js
index 983de99..97ebee7 100644
--- a/api/controllers/ApiController.js
+++ b/api/controllers/ApiController.js
@@ -58,7 +58,8 @@ function levenshtein(a, b) {
     return matrix[b.length][a.length];
 }
 
-var current = {"plate": "", "time": 0, "type": "in"};
+var currentIn = {"plate": "", "time": 0};
+var currentOut = {"plate": "", "time": 0};
 
 exports.SaveLogs = async function (req, res) {
     console.log("req: ", req.body.plate, " current: ", current);
@@ -85,16 +86,27 @@ exports.SaveLogs = async function (req, res) {
 
     var canSaveLogs = true;
     var vehicleInfo = {"status": false};
-    if (req.body.type === current.type && (currentTimestamp - current.time) < 600) {
-        if (req.body.plate === current.plate) {
+    if (req.body.type === "in" && (currentTimestamp - currentIn.time) < 600) {
+        if (req.body.plate === currentIn.plate) {
             canSaveLogs = false;
-        } 
-//        else if (levenshtein(req.body.type, current.type) < 3) {
-//            canSaveLogs = false;
-//        }
+        } else if (levenshtein(req.body.plate, currentIn.plate) < 2) {
+            canSaveLogs = false;
+        }
+    }
+    if (req.body.type === "out" && (currentTimestamp - currentOut.time) < 600) {
+        if (req.body.plate === currentOut.plate) {
+            canSaveLogs = false;
+        } else if (levenshtein(req.body.plate, currentOut.plate) < 2) {
+            canSaveLogs = false;
+        }
     }
     if (canSaveLogs) {
-        current = {"plate": req.body.plate, "time": currentTimestamp, "type": req.body.type};
+        if (req.body.type === "in") {
+            currentIn = {"plate": req.body.plate, "time": currentTimestamp};
+        }
+        if (req.body.type === "out") {
+            currentOut = {"plate": req.body.plate, "time": currentTimestamp};
+        }
         var fileName = req.body.plate + "_" + currentTimestamp + ".png";
         var plateSaved = currentYear + "/" + currentMonth + "/" + currentDate + "/" + req.body.type + "/plate/" + fileName;
         var frameSaved = currentYear + "/" + currentMonth + "/" + currentDate + "/" + req.body.type + "/frame/" + fileName;
@@ -118,7 +130,7 @@ exports.SaveLogs = async function (req, res) {
                 }
             }
         } else {
-            var query_plate_levenshtein = await db.query("SELECT * FROM `vehicle` WHERE levenshtein('" + req.body.plate + "', `plate`) BETWEEN 0 AND 2 LIMIT 0,1");
+            var query_plate_levenshtein = await db.query("SELECT * FROM `vehicle` WHERE levenshtein('%" + req.body.plate + "', `plate`) BETWEEN 0 AND 1 LIMIT 0,1");
             if (query_plate_levenshtein.length > 0) {
                 vehicleInfo = {"status": true, "data": query_plate_levenshtein[0]};
                 if (req.body.type == "in") {
@@ -137,11 +149,11 @@ exports.SaveLogs = async function (req, res) {
                     await db.query("INSERT INTO logs_unknow(`plate`,`plate_image_in`,`frame_image_in`,`time_in`) VALUES ('" + req.body.plate + "','" + plateSaved + "','" + frameSaved + "'," + currentTimestamp + ")");
                 }
                 if (req.body.type == "out") {
-                    var checkIn_raw = await db.query("SELECT * FROM logs_unknow WHERE plate=" + req.body.plate + " AND time_out=0 ORDER BY time_in DESC LIMIT 0,1");
+                    var checkIn_raw = await db.query("SELECT * FROM logs_unknow WHERE plate='" + req.body.plate + "' AND time_out=0 ORDER BY time_in DESC LIMIT 0,1");
                     if (checkIn_raw.length > 0) {
                         await db.query("UPDATE logs_unknow SET `plate_image_out`='" + plateSaved + "',`frame_image_out`='" + frameSaved + "',`time_out`=" + currentTimestamp + " WHERE id=" + checkIn_raw[0].id);
                     } else {
-                        var checkIn_levenshtein = await db.query("SELECT * FROM `logs_unknow` WHERE levenshtein('" + req.body.plate + "', `plate`) BETWEEN 0 AND 2 AND time_out=0 ORDER BY time_in DESC LIMIT 0,1");
+                        var checkIn_levenshtein = await db.query("SELECT * FROM `logs_unknow` WHERE levenshtein('%" + req.body.plate + "', `plate`) BETWEEN 0 AND 1 AND time_out=0 ORDER BY time_in DESC LIMIT 0,1");
                         if (checkIn_levenshtein.length > 0) {
                             await db.query("UPDATE logs_unknow SET `plate_image_out`='" + plateSaved + "',`frame_image_out`='" + frameSaved + "',`time_out`=" + currentTimestamp + " WHERE id=" + checkIn_levenshtein[0].id);
                         } else {