diff --git a/client/package.json b/client/package.json
index a44f884..c87178e 100644
--- a/client/package.json
+++ b/client/package.json
@@ -3,6 +3,7 @@
   "version": "0.1.0",
   "private": true,
   "dependencies": {
+    "axios": "^0.18.0",
     "react": "^16.8.6",
     "react-dom": "^16.8.6",
     "react-redux": "^7.0.3",
diff --git a/client/src/scenes/UploadDLockData/components/FileUpload.js b/client/src/scenes/UploadDLockData/components/FileUpload.js
new file mode 100644
index 0000000..d0561ff
--- /dev/null
+++ b/client/src/scenes/UploadDLockData/components/FileUpload.js
@@ -0,0 +1,54 @@
+import React, { Component } from 'react';
+import { connect } from 'react-redux';
+import {Form} from "semantic-ui-react";
+
+import { uploadDoorLockData } from "../../../store/actions";
+
+class FileUpload extends Component {
+    constructor(props) {
+        super(props);
+
+        this.state = {
+            file: null,
+        };
+
+        this.onFileChange = this.onFileChange.bind(this);
+        this.onUploadClick = this.onUploadClick.bind(this);
+    }
+
+    onFileChange(event) {
+        const file = event.target.files[0];
+        this.setState({file});
+    };
+
+    onUploadClick() {
+        const { uploadDoorLockData } = this.props;
+        const { file } = this.state;
+
+        if (file) {
+            uploadDoorLockData(file);
+        }
+    };
+
+    render() {
+        return (
+            <div>
+                <Form.Input
+                    fluid
+                    required
+                    label="Select DLock file"
+                    type="file"
+                    accept=".csv"
+                    onChange={this.onFileChange}
+                />
+                <Form.Button onClick={this.onUploadClick}>Upload</Form.Button>
+            </div>
+        );
+    }
+}
+
+const mapDispatchToProps = (dispatch) => ({
+    uploadDoorLockData: (doorLockDataFile) => uploadDoorLockData(dispatch, doorLockDataFile)
+});
+
+export default connect(null, mapDispatchToProps)(FileUpload);
diff --git a/client/src/scenes/UploadDLockData/components/UploadResults.js b/client/src/scenes/UploadDLockData/components/UploadResults.js
new file mode 100644
index 0000000..cc688a5
--- /dev/null
+++ b/client/src/scenes/UploadDLockData/components/UploadResults.js
@@ -0,0 +1,61 @@
+import React, { Component } from 'react';
+import { connect } from 'react-redux';
+import { Loader, Message } from 'semantic-ui-react';
+
+class UploadResults extends Component {
+    render(){
+        const {pending, result, error} = this.props;
+
+        const parserErrors = result && result.parserErrors && result.parserErrors.length > 0 ? result.parserErrors : null;
+        const parsedDataCount = result && result.parsedData && result.parsedData.length > 0 ? result.parsedData.length : null;
+
+        return (
+            <div>
+            {
+                pending && <Loader active />
+            }
+            <br/>
+            {
+                error &&
+                <Message negative>
+                    <Message.Header>Upload failed</Message.Header>
+                    <p>There was error uploading file</p>
+                </Message>
+            }
+            <br/>
+            {
+                !error && parsedDataCount &&
+                <Message positive>
+                    <Message.Header>Upload complete</Message.Header>
+                    <p>{parsedDataCount} entries successfully inserted</p>
+                    {parserErrors && <p style={{ color: 'red' }}>Some entries could not be parsed. Details are shown below</p>}
+                </Message>
+            }
+            <br/>
+            {
+                !error && parserErrors && parserErrors.map((parserError, index) => {
+                    return (
+                        <div key={`message-${index}`}>
+                            <Message negative>
+                                <Message.Header>{parserError.error}</Message.Header>
+                                <p>{JSON.stringify(parserError.details)}</p>
+                                <p>File : {parserError.file}</p>
+                            </Message>
+                            <br/>
+                        </div>
+                    );
+                })
+            }
+            </div>
+        )
+    }
+}
+
+const mapStateToProps = (state) => ({
+    pending: state.doorLockData.pending,
+    result: state.doorLockData.result,
+    error: state.doorLockData.error,
+
+});
+
+export default connect(mapStateToProps)(UploadResults);
diff --git a/client/src/scenes/UploadDLockData/index.js b/client/src/scenes/UploadDLockData/index.js
index b75da54..b2e4e52 100644
--- a/client/src/scenes/UploadDLockData/index.js
+++ b/client/src/scenes/UploadDLockData/index.js
@@ -1,39 +1,22 @@
-import React, { Component } from 'react';
-import { connect } from 'react-redux';
-
+import React from 'react';
 import { Container, Form } from "semantic-ui-react";
 
 import MainMenu from '../../components/MainMenu';
-import { uploadDoorLockData } from "../../store/actions";
+import FileUpload from './components/FileUpload';
+import UploadResults from './components/UploadResults';
 
-class UploadDLockData extends Component {
-
-    render () {
-        return (
-            <Container>
-                <MainMenu/>
-                <h3>DLock Data</h3>
-                <hr/>
-                <Form>
-                    <Form.Input
-                        fluid
-                        required
-                        label="Select DLock file"
-                        type="file"
-                    />
-                    <Form.Button onClick={this.props.uploadDoorLockData}>Upload</Form.Button>
-                </Form>
-            </Container>
-        );
-    }
+function UploadDLockData() {
+    return (
+        <Container>
+            <MainMenu/>
+            <h3>DLock Data</h3>
+            <hr/>
+            <Form>
+                <FileUpload/>
+            </Form>
+            <UploadResults/>
+        </Container>
+    );
 }
 
-const mapStateToProps = (state) => ({
-
-});
-
-const mapDispatchToProps = (dispatch) => ({
-    uploadDoorLockData: () => uploadDoorLockData(dispatch),
-});
-
-export default connect(mapStateToProps, mapDispatchToProps)(UploadDLockData);
+export default UploadDLockData;
diff --git a/client/src/store/actions/doorLockActions.js b/client/src/store/actions/doorLockActions.js
index 9aa82ea..00273f4 100644
--- a/client/src/store/actions/doorLockActions.js
+++ b/client/src/store/actions/doorLockActions.js
@@ -4,14 +4,21 @@ import {
     UPLOAD_DOOR_LOCK_DATA_FAILED
 } from "../constants";
 
-export const uploadDoorLockData = (dispatch) => {
+import API from '../../utilities/api';
+
+export const uploadDoorLockData = (dispatch, doorLockDataFile) => {
+    const formData = new FormData();
+    formData.append('doorLockDataFile', doorLockDataFile);
+    const additionalConfig = {
+        headers: {'content-type': 'multipart/form-data'}
+    };
+
     dispatch({type: UPLOAD_DOOR_LOCK_DATA_PENDING});
-    fetch('/api/doorLockData')
-        .then(response => response.json())
-        .then(data => {
-            dispatch({type: UPLOAD_DOOR_LOCK_DATA_SUCCESS, payload: data})
-        })
-        .catch(err => {
-            dispatch({type: UPLOAD_DOOR_LOCK_DATA_FAILED, payload: err})
+    API.post('doorLock/upload', formData, additionalConfig)
+        .then(response => {
+            dispatch({type: UPLOAD_DOOR_LOCK_DATA_SUCCESS, payload: response.data})
         })
+        .catch(error => {
+            dispatch({type: UPLOAD_DOOR_LOCK_DATA_FAILED, payload: error.response})
+        });
 };
diff --git a/client/src/store/reducers/doorLockReducers.js b/client/src/store/reducers/doorLockReducers.js
index 759e4fd..58cc7d0 100644
--- a/client/src/store/reducers/doorLockReducers.js
+++ b/client/src/store/reducers/doorLockReducers.js
@@ -7,7 +7,7 @@ import {
 const initialState = {
     pending: false,
     result: {},
-    error: '',
+    error: null,
 };
 
 export const doorLockData = (state, action) => {
@@ -18,15 +18,18 @@ export const doorLockData = (state, action) => {
       case UPLOAD_DOOR_LOCK_DATA_PENDING:
           return Object.assign({}, state, {
               pending: true,
+              error: null,
           });
       case UPLOAD_DOOR_LOCK_DATA_SUCCESS:
           return Object.assign({}, state, {
               pending: false,
               result: action.payload,
+              error: null,
           });
       case UPLOAD_DOOR_LOCK_DATA_FAILED:
           return Object.assign({}, state, {
               pending: false,
+              result: {},
               error: action.payload,
           });
       default:
diff --git a/client/src/utilities/api.js b/client/src/utilities/api.js
new file mode 100644
index 0000000..264adff
--- /dev/null
+++ b/client/src/utilities/api.js
@@ -0,0 +1,5 @@
+import axios from 'axios';
+
+export default axios.create({
+    baseURL: '/api/'
+});
diff --git a/client/yarn.lock b/client/yarn.lock
index 2f7cadb..8413b54 100644
--- a/client/yarn.lock
+++ b/client/yarn.lock
@@ -1597,6 +1597,13 @@ aws4@^1.8.0:
   version "1.8.0"
   resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.8.0.tgz#f0e003d9ca9e7f59c7a508945d7b2ef9a04a542f"
 
+axios@^0.18.0:
+  version "0.18.0"
+  resolved "https://registry.yarnpkg.com/axios/-/axios-0.18.0.tgz#32d53e4851efdc0a11993b6cd000789d70c05102"
+  dependencies:
+    follow-redirects "^1.3.0"
+    is-buffer "^1.1.5"
+
 axobject-query@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/axobject-query/-/axobject-query-2.0.2.tgz#ea187abe5b9002b377f925d8bf7d1c561adf38f9"
@@ -3547,7 +3554,7 @@ flush-write-stream@^1.0.0:
     inherits "^2.0.3"
     readable-stream "^2.3.6"
 
-follow-redirects@^1.0.0:
+follow-redirects@^1.0.0, follow-redirects@^1.3.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.7.0.tgz#489ebc198dc0e7f64167bd23b03c4c19b5784c76"
   dependencies:
diff --git a/constants/constants.js b/constants/constants.js
new file mode 100644
index 0000000..4de18b5
--- /dev/null
+++ b/constants/constants.js
@@ -0,0 +1,24 @@
+const USER_ENTRY_EVENT = 'User Entry';
+const ENABLE_PASSAGE_MODE = 'Enable Passage Mode by Group 2';
+const DISABLE_PASSAGE_MODE = 'Disable Passage Mode by Group 2';
+
+const USER_LOCKED_DOOR = 'locked';
+const USER_UNLOCKED_DOOR = 'unlocked';
+
+const VALID_CSV_HEADERS = ['Date', 'Time', 'User No', 'Name', 'Event'];
+
+const csvParserErrors = {
+    UNKNOWN_COLUMN: 'Unknown column',
+    INVALID_ENTRY_EXPECTED_USER: 'Invalid entry type. Expected user entry type',
+    INVALID_ENTRY_EXPECTED_PASSAGE_MODE: 'Invalid entry type. Expected enable/disable passage mode',
+};
+
+module.exports = {
+    VALID_CSV_HEADERS,
+    USER_ENTRY_EVENT,
+    ENABLE_PASSAGE_MODE,
+    DISABLE_PASSAGE_MODE,
+    USER_LOCKED_DOOR,
+    USER_UNLOCKED_DOOR,
+    csvParserErrors,
+};
diff --git a/controllers/doorLock.js b/controllers/doorLock.js
index 8376c64..7925263 100644
--- a/controllers/doorLock.js
+++ b/controllers/doorLock.js
@@ -1,7 +1,47 @@
 'use strict';
 
+const { parseDoorLockDataFile, writeDoorLockEvent } = require("../services/doorLock");
+
+const IncomingForm = require('formidable').IncomingForm;
+
+
 const uploadDoorLockData = (req, res) => {
-    res.json({status: 'ok'});
+    const form = new IncomingForm();
+    const parsingResults = [];
+
+    form.on('file', (field, file) => {
+        if (file && file.type === 'text/csv') {
+            parsingResults.push(parseDoorLockDataFile(file));
+        }
+    });
+
+    form.on('end', () => {
+        Promise.all(parsingResults)
+            .then((parserResults) => {
+                const parsedData = [];
+                const parserErrors = [];
+
+                parserResults.forEach((parserResult) => {
+                    parsedData.push(...parserResult.parsedData);
+                    parserErrors.push(...parserResult.errors);
+                });
+
+                res.json({
+                    parsedData,
+                    parserErrors,
+                });
+
+                parsedData.forEach((entry) => {
+                    writeDoorLockEvent(entry);
+                });
+            })
+            .catch((error) => {
+                console.log(error);
+                res.json({result: 'error'});
+            });
+    });
+
+    form.parse(req);
 };
 
 module.exports = {
diff --git a/migrations/20190529103954-create-door-lock-events.js b/migrations/20190529103954-create-door-lock-events.js
new file mode 100644
index 0000000..93990bd
--- /dev/null
+++ b/migrations/20190529103954-create-door-lock-events.js
@@ -0,0 +1,33 @@
+'use strict';
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.createTable('doorLockEvents', {
+      id: {
+        allowNull: false,
+        autoIncrement: true,
+        primaryKey: true,
+        type: Sequelize.INTEGER
+      },
+      memberName: Sequelize.STRING,
+      memberNumber: Sequelize.INTEGER,
+      event: {
+        type: Sequelize.ENUM,
+        values: ['locked', 'unlocked']
+      },
+      date: Sequelize.DATEONLY,
+      time: Sequelize.TIME,
+      createdAt: {
+        allowNull: false,
+        type: Sequelize.DATE
+      },
+      updatedAt: {
+        allowNull: false,
+        type: Sequelize.DATE
+      }
+    });
+  },
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.dropTable('doorLockEvents');
+  }
+};
diff --git a/models/DoorLockEvent.js b/models/DoorLockEvent.js
new file mode 100644
index 0000000..f159dff
--- /dev/null
+++ b/models/DoorLockEvent.js
@@ -0,0 +1,20 @@
+'use strict';
+
+const { USER_LOCKED_DOOR, USER_UNLOCKED_DOOR } = require('../constants/constants');
+
+module.exports = (sequelize, DataTypes) => {
+    const doorLockEvent = sequelize.define('doorLockEvent', {
+        memberName: DataTypes.STRING,
+        memberNumber: DataTypes.INTEGER,
+        event: {
+            type: DataTypes.ENUM,
+            values: [USER_LOCKED_DOOR, USER_UNLOCKED_DOOR]
+        },
+        date: DataTypes.DATEONLY,
+        time: DataTypes.TIME,
+    }, {});
+    doorLockEvent.associate = function(models) {
+        // associations can be defined here
+    };
+    return doorLockEvent;
+};
diff --git a/package-lock.json b/package-lock.json
index f454197..c2b51d6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -292,6 +292,30 @@
         }
       }
     },
+    "buffer-alloc": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/buffer-alloc/-/buffer-alloc-1.2.0.tgz",
+      "integrity": "sha512-CFsHQgjtW1UChdXgbyJGtnm+O/uLQeZdtbDo8mfUgYXCHSM1wgrVxXm6bSyrUuErEb+4sYVGCzASBRot7zyrow==",
+      "requires": {
+        "buffer-alloc-unsafe": "^1.1.0",
+        "buffer-fill": "^1.0.0"
+      }
+    },
+    "buffer-alloc-unsafe": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/buffer-alloc-unsafe/-/buffer-alloc-unsafe-1.1.0.tgz",
+      "integrity": "sha512-TEM2iMIEQdJ2yjPJoSIsldnleVaAk1oW3DBVUykyOLsEsFmEc9kn+SFFPz+gl54KQNxlDnAwCXosOS9Okx2xAg=="
+    },
+    "buffer-fill": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/buffer-fill/-/buffer-fill-1.0.0.tgz",
+      "integrity": "sha1-+PeLdniYiO858gXNY39o5wISKyw="
+    },
+    "buffer-from": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.1.tgz",
+      "integrity": "sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A=="
+    },
     "buffer-writer": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/buffer-writer/-/buffer-writer-2.0.0.tgz",
@@ -542,8 +566,7 @@
     "core-util-is": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
-      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
-      "dev": true
+      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
     },
     "create-error-class": {
       "version": "3.0.2",
@@ -571,6 +594,56 @@
       "integrity": "sha1-ojD2T1aDEOFJgAmUB5DsmVRbyn4=",
       "dev": true
     },
+    "csv-parser": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/csv-parser/-/csv-parser-2.3.0.tgz",
+      "integrity": "sha512-yfYRZ9P9LNKuRK0lEFf40Be4HcFxe1XgxWL/QmlkakSE8SHcWbOGFZA/u7YpfGX/hVbRUdbnO5xO8XuYxrcBtA==",
+      "requires": {
+        "buffer-alloc": "^1.1.0",
+        "buffer-from": "^1.0.0",
+        "execa": "^1.0.0",
+        "generate-function": "^1.0.1",
+        "generate-object-property": "^1.0.0",
+        "minimist": "^1.2.0",
+        "ndjson": "^1.4.0"
+      },
+      "dependencies": {
+        "cross-spawn": {
+          "version": "6.0.5",
+          "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
+          "integrity": "sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==",
+          "requires": {
+            "nice-try": "^1.0.4",
+            "path-key": "^2.0.1",
+            "semver": "^5.5.0",
+            "shebang-command": "^1.2.0",
+            "which": "^1.2.9"
+          }
+        },
+        "execa": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/execa/-/execa-1.0.0.tgz",
+          "integrity": "sha512-adbxcyWV46qiHyvSp50TKt05tB4tK3HcmF7/nxfAdhnox83seTDbwnaqKO4sXRy7roHAIFqJP/Rw/AuEbX61LA==",
+          "requires": {
+            "cross-spawn": "^6.0.0",
+            "get-stream": "^4.0.0",
+            "is-stream": "^1.1.0",
+            "npm-run-path": "^2.0.0",
+            "p-finally": "^1.0.0",
+            "signal-exit": "^3.0.0",
+            "strip-eof": "^1.0.0"
+          }
+        },
+        "get-stream": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-4.1.0.tgz",
+          "integrity": "sha512-GMat4EJ5161kIy2HevLlr4luNjBgvmj413KaQA7jt4V8B4RDsfpHk7WQ9GVqfYyyx8OS/L66Kox+rJRNklLK7w==",
+          "requires": {
+            "pump": "^3.0.0"
+          }
+        }
+      }
+    },
     "d": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/d/-/d-1.0.0.tgz",
@@ -1051,6 +1124,11 @@
       "integrity": "sha1-gQaNKVqBQuwKxybG4iAMMPttXoA=",
       "dev": true
     },
+    "formidable": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/formidable/-/formidable-1.2.1.tgz",
+      "integrity": "sha512-Fs9VRguL0gqGHkXS5GQiMCr1VhZBxz0JnJs4JmMp/2jL18Fmbzvv7vOFRU+U8TBkHEE/CX1qDXzJplVULgsLeg=="
+    },
     "forwarded": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.1.2.tgz",
@@ -1633,6 +1711,19 @@
         }
       }
     },
+    "generate-function": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/generate-function/-/generate-function-1.1.0.tgz",
+      "integrity": "sha1-VMIbCAGSsW2Yd3ecW7gWZudyNl8="
+    },
+    "generate-object-property": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/generate-object-property/-/generate-object-property-1.2.0.tgz",
+      "integrity": "sha1-nA4cQDCM6AT0eDYYuTf6iPmdUNA=",
+      "requires": {
+        "is-property": "^1.0.0"
+      }
+    },
     "get-caller-file": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-1.0.3.tgz",
@@ -2006,6 +2097,11 @@
       "resolved": "https://registry.npmjs.org/is-promise/-/is-promise-2.1.0.tgz",
       "integrity": "sha1-eaKp7OfwlugPNtKy87wWwf9L8/o="
     },
+    "is-property": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/is-property/-/is-property-1.0.2.tgz",
+      "integrity": "sha1-V/4cTkhHTt1lsJkR8msc1Ald2oQ="
+    },
     "is-redirect": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-redirect/-/is-redirect-1.0.0.tgz",
@@ -2032,8 +2128,7 @@
     "isarray": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
-      "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
-      "dev": true
+      "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
     },
     "isexe": {
       "version": "2.0.0",
@@ -2069,6 +2164,11 @@
         }
       }
     },
+    "json-stringify-safe": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz",
+      "integrity": "sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus="
+    },
     "jsonfile": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-4.0.0.tgz",
@@ -2264,8 +2364,7 @@
     "minimist": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-      "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
-      "dev": true
+      "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ="
     },
     "mixin-deep": {
       "version": "1.3.1",
@@ -2347,6 +2446,17 @@
         "to-regex": "^3.0.1"
       }
     },
+    "ndjson": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/ndjson/-/ndjson-1.5.0.tgz",
+      "integrity": "sha1-rmA7NrE0vOw0e0UkIrC/mNWDLsg=",
+      "requires": {
+        "json-stringify-safe": "^5.0.1",
+        "minimist": "^1.2.0",
+        "split2": "^2.1.0",
+        "through2": "^2.0.3"
+      }
+    },
     "negotiator": {
       "version": "0.6.2",
       "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.2.tgz",
@@ -2750,8 +2860,7 @@
     "process-nextick-args": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.0.tgz",
-      "integrity": "sha512-MtEC1TqN0EU5nephaJ4rAtThHtC86dNN9qCuEhtshvpVBkAW5ZO7BASN9REnF9eoXGcRub+pFuKEpOHE+HbEMw==",
-      "dev": true
+      "integrity": "sha512-MtEC1TqN0EU5nephaJ4rAtThHtC86dNN9qCuEhtshvpVBkAW5ZO7BASN9REnF9eoXGcRub+pFuKEpOHE+HbEMw=="
     },
     "proto-list": {
       "version": "1.2.4",
@@ -2824,7 +2933,6 @@
       "version": "2.3.6",
       "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
       "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
-      "dev": true,
       "requires": {
         "core-util-is": "~1.0.0",
         "inherits": "~2.0.3",
@@ -3287,6 +3395,14 @@
         "extend-shallow": "^3.0.0"
       }
     },
+    "split2": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/split2/-/split2-2.2.0.tgz",
+      "integrity": "sha512-RAb22TG39LhI31MbreBgIuKiIKhVsawfTgEGqKHTK87aG+ul/PB8Sqoi3I7kVdRWiCfrKxK3uo4/YUkpNvhPbw==",
+      "requires": {
+        "through2": "^2.0.2"
+      }
+    },
     "static-extend": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/static-extend/-/static-extend-0.1.2.tgz",
@@ -3326,7 +3442,6 @@
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
       "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
-      "dev": true,
       "requires": {
         "safe-buffer": "~5.1.0"
       }
@@ -3373,6 +3488,15 @@
       "resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
       "integrity": "sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU="
     },
+    "through2": {
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/through2/-/through2-2.0.5.tgz",
+      "integrity": "sha512-/mrRod8xqpA+IHSLyGCQ2s8SPHiCDEeQJSep1jqLYeEUClOFG2Qsh+4FU6G9VeqpZnGW/Su8LQGc4YKni5rYSQ==",
+      "requires": {
+        "readable-stream": "~2.3.6",
+        "xtend": "~4.0.1"
+      }
+    },
     "timed-out": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/timed-out/-/timed-out-4.0.1.tgz",
@@ -3641,8 +3765,7 @@
     "util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
-      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
-      "dev": true
+      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
     },
     "utils-merge": {
       "version": "1.0.1",
diff --git a/package.json b/package.json
index 2aeaae4..7e736b1 100644
--- a/package.json
+++ b/package.json
@@ -21,9 +21,11 @@
     "node": "11.12.x"
   },
   "dependencies": {
+    "csv-parser": "^2.3.0",
     "dotenv": "^8.0.0",
     "express": "^4.17.0",
     "express-basic-auth": "^1.2.0",
+    "formidable": "^1.2.1",
     "pg": "^7.11.0",
     "sequelize": "^5.8.6",
     "sequelize-cli": "^5.4.0"
diff --git a/routes/index.js b/routes/index.js
index f5a4487..f5b4e2c 100644
--- a/routes/index.js
+++ b/routes/index.js
@@ -7,6 +7,6 @@ const express = require('express');
 const router = express.Router();
 
 router.get('/', apiStatusCheck);
-router.get('/doorLockData', uploadDoorLockData);
+router.post('/doorLock/upload', uploadDoorLockData);
 
 module.exports = router;
diff --git a/services/doorLock.js b/services/doorLock.js
new file mode 100644
index 0000000..c2552b7
--- /dev/null
+++ b/services/doorLock.js
@@ -0,0 +1,108 @@
+'use strict';
+
+const db = require('../models/index');
+const fs = require('fs');
+const csv = require('csv-parser');
+
+const {
+    USER_ENTRY_EVENT,
+    ENABLE_PASSAGE_MODE,
+    DISABLE_PASSAGE_MODE,
+    USER_UNLOCKED_DOOR,
+    USER_LOCKED_DOOR,
+    VALID_CSV_HEADERS,
+    csvParserErrors,
+} = require('../constants/constants');
+
+
+const parseDoorLockDataFile = (file) => {
+    return new Promise ((resolve, reject) => {
+        const results = [];
+        const errors = [];
+        let isValidFile = true;
+
+        fs.createReadStream(file.path)
+            .pipe(csv({
+                mapHeaders: ({ header, index }) => header.trim().toLowerCase(),
+                mapValues: ({ header, index, value }) => value.trim()
+            }))
+            .on('headers', (headers) => {
+                headers.forEach((header) => {
+                    if (!VALID_CSV_HEADERS.includes(header.trim())){
+                        isValidFile = false;
+                        console.log('INVALID HEADER');
+                        errors.push({
+                            error: csvParserErrors.UNKNOWN_COLUMN,
+                            details: header,
+                            file: file.name,
+                        });
+                    }
+                });
+            })
+            .on('data', (data) => {
+                if (!isValidFile) {
+                    return;
+                }
+
+                const eventType = data.event.trim();
+                if ([USER_ENTRY_EVENT, ENABLE_PASSAGE_MODE, DISABLE_PASSAGE_MODE].includes(eventType)){
+                    results.push(data);
+                }
+            })
+            .on('end', () => {
+                const parsedData = [];
+                let i = 0;
+                while (i < results.length){
+                    //Verify pair
+                    //First entry should be user entry and second should be enable / disable passage
+                    const firstEntry = results[i];
+                    const secondEntry = results[i+1];
+
+
+                    if (firstEntry && (firstEntry.event === USER_ENTRY_EVENT)){
+                        if (secondEntry && (secondEntry.event === ENABLE_PASSAGE_MODE || secondEntry.event === DISABLE_PASSAGE_MODE)){
+                            const event = (secondEntry.event === ENABLE_PASSAGE_MODE) ? USER_UNLOCKED_DOOR : USER_LOCKED_DOOR;
+                            const entryData = {
+                                memberName: firstEntry.name,
+                                memberNumber: firstEntry['user no'],
+                                date: firstEntry.date,
+                                time: firstEntry.time,
+                                event,
+                            };
+                            parsedData.push(entryData);
+                            i+=2;
+                        } else {
+                            errors.push({
+                                error: csvParserErrors.INVALID_ENTRY_EXPECTED_PASSAGE_MODE,
+                                details: secondEntry || 'Last row in file',
+                                file: file.name,
+                            });
+                            i+=1;
+                        }
+                    } else {
+                        errors.push({
+                            error: csvParserErrors.INVALID_ENTRY_EXPECTED_USER,
+                            details: firstEntry,
+                            file: file.name,
+                        });
+                        i+=1;
+                    }
+                }
+                resolve({
+                    parsedData,
+                    errors
+                });
+            });
+    });
+};
+
+const writeDoorLockEvent = (entry) => {
+    db.doorLockEvent.findOrCreate({where: {...entry}, defaults: {...entry}})
+        .then()
+        .catch();
+};
+
+module.exports = {
+    parseDoorLockDataFile,
+    writeDoorLockEvent,
+};