diff --git a/.eslintrc.json b/.eslintrc.json
new file mode 100644
index 0000000..13d98ce
--- /dev/null
+++ b/.eslintrc.json
@@ -0,0 +1,32 @@
+{
+ "env": {
+ "browser": true,
+ "es2021": true
+ },
+ "extends": [
+ "eslint:recommended",
+ "plugin:prettier/recommended"
+ ],
+ "parserOptions": {
+ "ecmaVersion": 12,
+ "sourceType": "module"
+ },
+ "rules": {
+ "indent": [
+ "error",
+ 2
+ ],
+ "linebreak-style": [
+ "error",
+ "unix"
+ ],
+ "quotes": [
+ "error",
+ "single"
+ ],
+ "semi": [
+ "error",
+ "always"
+ ]
+ }
+}
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..3c3629e
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+node_modules
diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..b58b603
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,5 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
diff --git a/.idea/javascript-subway-path-precourse.iml b/.idea/javascript-subway-path-precourse.iml
new file mode 100644
index 0000000..24643cc
--- /dev/null
+++ b/.idea/javascript-subway-path-precourse.iml
@@ -0,0 +1,12 @@
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..28a804d
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..b07cc73
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/README.md b/README.md
index 51abd25..79a1365 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,19 @@
-# javascript-subway-final
\ No newline at end of file
+### 사용자 입력
+- 역이름 예외사항
+ - 역이 존재하지 않는 경우
+ - 출발역과 도착역이 같은 경우
+ - 출발역과 도착역이 연결되지 않은 경우
+ - 출발역과 도착역이 같은 노선에 없거나
+ - 출발역과 같은 노선의 역이 도착역과 같은 노선의 역에 없음
+- 사용자가 선택한 거리/시간에 따라 출발역과 도착역까지의 경로 저장
+ - 역이름, 역 사이의 거리/시간
+
+### 결과 출력
+- 길 찾기 버튼 누를 때마다 새롭게 결과 출력
+- 거리/시간 input을 바탕으로 제목에 최단거리/최소시간 중 해당되는 것 출력
+- 출발역, 도착역, 거리/시간 input으로 Dijkstra() 실행
+ - 출발역
+- 결과로 나온 역이름 배열의 역 이름들을 테이블에 차례대로 출력
+- 총 거리와 총 소요시간 출력
+ - 거리: 역이름들간 거리의 합
+ - 시간: 역이름들간 시간의 합력
\ No newline at end of file
diff --git a/images/dijkstra_example.png b/images/dijkstra_example.png
new file mode 100644
index 0000000..7c75197
Binary files /dev/null and b/images/dijkstra_example.png differ
diff --git a/images/path_result.gif b/images/path_result.gif
new file mode 100644
index 0000000..ee394bd
Binary files /dev/null and b/images/path_result.gif differ
diff --git a/images/path_result.jpg b/images/path_result.jpg
new file mode 100644
index 0000000..40a4bed
Binary files /dev/null and b/images/path_result.jpg differ
diff --git a/index.html b/index.html
new file mode 100644
index 0000000..cbb4973
--- /dev/null
+++ b/index.html
@@ -0,0 +1,11 @@
+
+
+
+
+ 지하철 길찾기
+
+
+
+
+
+
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..b2b455a
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,952 @@
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+ "dev": true,
+ "requires": {
+ "prelude-ls": "^1.2.1"
+ }
+ },
+ "type-fest": {
+ "version": "0.8.1",
+ "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-0.8.1.tgz",
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+ "dev": true
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+ }
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+ "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
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+ "dev": true
+ }
+ }
+}
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..1defde6
--- /dev/null
+++ b/package.json
@@ -0,0 +1,25 @@
+{
+ "name": "javascript-subway-path-precourse",
+ "version": "1.0.0",
+ "description": "- 역이름 예외사항 - 역이 존재하지 않는 경우 - 출발역과 도착역이 다른 경우 - 출발역과 도착역이 연결되지 않은 경우 (아래 두가지 모두 만족하지 않는 경우) - 출발역과 도착역이 같은 노선에 없음 - 출발역과 같은 노선의 역이 도착역과 같은 노선의 역에 없음 - 사용자가 선택한 거리/시간 기억",
+ "main": "index.js",
+ "scripts": {
+ "test": "echo \"Error: no test specified\" && exit 1"
+ },
+ "repository": {
+ "type": "git",
+ "url": "git+https://github.com/kirrikirri42/javascript-subway-path-precourse.git"
+ },
+ "author": "",
+ "license": "ISC",
+ "bugs": {
+ "url": "https://github.com/kirrikirri42/javascript-subway-path-precourse/issues"
+ },
+ "homepage": "https://github.com/kirrikirri42/javascript-subway-path-precourse#readme",
+ "devDependencies": {
+ "eslint": "^7.16.0",
+ "eslint-config-prettier": "^7.1.0",
+ "eslint-plugin-prettier": "^3.3.0",
+ "prettier": "^2.2.1"
+ }
+}
diff --git a/src/controller/main_controller.js b/src/controller/main_controller.js
new file mode 100644
index 0000000..ac703dc
--- /dev/null
+++ b/src/controller/main_controller.js
@@ -0,0 +1,97 @@
+import MainView from '../view/main_view.js';
+import Dijkstra from '../utils/Dijkstra.js';
+import CommonUtils from '../view/common_utils.js';
+import { inputConsts } from '../utils/consts.js';
+import ErrorUtils from '../utils/error_utils.js';
+import CommonView from '../view/common_view.js';
+import { line2호선, line3호선, line신분당선 } from '../model/stations.js';
+
+export default class MainController {
+ constructor() {
+ new MainView();
+ this.setVariables();
+ this.addEventToButton();
+ // const dijkstra = new Dijkstra();
+
+ // dijkstra.addEdge('교대', '강남', 2);
+ // dijkstra.addEdge('강남', '양재', 2);
+ // dijkstra.addEdge('양재', '양재시민의숲', 10);
+
+ // dijkstra.addEdge('교대', '남부터미널', 3);
+ // dijkstra.addEdge('남부터미널', '양재', 6);
+
+ // const result = dijkstra.findShortestPath('교대', '양재시민의숲');
+
+ // dijkstra.addEdge('교대', '강남', 3);
+ // dijkstra.addEdge('강남', '양재', 8);
+ // dijkstra.addEdge('양재', '양재시민의숲', 3);
+
+ // dijkstra.addEdge('교대', '남부터미널', 2);
+ // dijkstra.addEdge('남부터미널', '양재', 5);
+
+ // const result = dijkstra.findShortestPath('교대', '양재시민의숲');
+
+ // console.log(result);
+ }
+
+ setVariables() {
+ this._commonView = new CommonView();
+ this._commonUtils = new CommonUtils();
+ this._errorUtils = new ErrorUtils();
+ this._button = this._commonUtils.getById(inputConsts.SEARCH_BUTTON_IDNAME);
+ this._departureInput = this._commonUtils.getById(
+ inputConsts.DEPARTURE_INPUT_IDNAME
+ );
+ this._arrivalInput = this._commonUtils.getById(
+ inputConsts.ARRIVAL_INPUT_IDNAME
+ );
+ }
+
+ addEventToButton() {
+ this._button.addEventListener('click', () => {
+ this.handleInput();
+ });
+ this._departureInput.addEventListener('keyup', (e) => {
+ if (e.keyCode === 13) {
+ this.handleInput();
+ }
+ });
+ this._arrivalInput.addEventListener('keyup', (e) => {
+ if (e.keyCode === 13) {
+ this.handleInput();
+ }
+ });
+ }
+
+ handleInput() {
+ if (this._errorUtils.inputErrorExists()) {
+ this._errorUtils.alertCorrespondingError();
+ } else {
+ this.createPath();
+ }
+ }
+
+ createPath() {
+ this.getLineStationsArrays();
+
+ }
+
+ getLineStationsArrays() {
+ const lineList = [line2호선, line3호선, line신분당선];
+ const lineNames = ['line2호선', 'line3호선', 'line신분당선']
+
+ lineList.forEach((lineName, i) => {
+ this[`${lineNames[i]}Stations`] = this.getStationNameArray(lineName);
+ })
+ }
+
+ getStationNameArray(lineName) {
+ let stationNameArr = [];
+
+ lineName.forEach(station => {
+ stationNameArr.push(station.name);
+ })
+
+ return stationNameArr;
+ }
+}
diff --git a/src/index.js b/src/index.js
new file mode 100644
index 0000000..a0f13db
--- /dev/null
+++ b/src/index.js
@@ -0,0 +1,9 @@
+import MainController from './controller/main_controller.js';
+
+export default class SubwayPath {
+ constructor() {
+ new MainController();
+ }
+}
+
+new SubwayPath();
diff --git a/src/model/path.js b/src/model/path.js
new file mode 100644
index 0000000..63ceb37
--- /dev/null
+++ b/src/model/path.js
@@ -0,0 +1,7 @@
+export default class Path {
+ constructor(departure, arrival, info) {
+ this.departure = departure;
+ this.arrival = arrival;
+ this.info = info;
+ }
+}
diff --git a/src/model/stations.js b/src/model/stations.js
new file mode 100644
index 0000000..bd21da8
--- /dev/null
+++ b/src/model/stations.js
@@ -0,0 +1,53 @@
+export const line2호선 = [
+ {
+ name: '교대',
+ distance: '2',
+ time: '3',
+ },
+ {
+ name: '강남',
+ distance: '2',
+ time: '3',
+ },
+ {
+ name: '역삼',
+ distance: '',
+ time: '',
+ },
+];
+
+export const line3호선 = [
+ {
+ name: '교대',
+ distance: '3',
+ time: '2',
+ },
+ {
+ name: '남부터미널',
+ distance: '6',
+ time: '5',
+ },
+ {
+ name: '양재',
+ distance: '1',
+ time: '1',
+ },
+];
+
+export const line신분당선 = [
+ {
+ name: '강남',
+ distance: '2',
+ time: '8',
+ },
+ {
+ name: '양재',
+ distance: '10',
+ time: '3',
+ },
+ {
+ name: '양재시민의숲',
+ distance: '',
+ time: '',
+ },
+];
diff --git a/src/utils/Dijkstra.js b/src/utils/Dijkstra.js
new file mode 100644
index 0000000..7c6cfd5
--- /dev/null
+++ b/src/utils/Dijkstra.js
@@ -0,0 +1,220 @@
+export default function Dijkstra() {
+ const Node = {
+ init: function (val, priority) {
+ this.val = val;
+ this.priority = priority;
+ },
+ };
+
+ const PriorityQueue = {
+ init: function () {
+ this.values = [];
+ },
+ enqueue: function (val, priority) {
+ const newNode = Object.create(Node);
+ newNode.init(val, priority);
+
+ this.values.push(newNode);
+
+ let idxOfNewNode = this.values.length - 1;
+
+ while (idxOfNewNode > 0) {
+ const idxOfParentNode = Math.floor((idxOfNewNode - 1) / 2);
+
+ const parentNode = this.values[idxOfParentNode];
+
+ if (priority < parentNode.priority) {
+ this.values[idxOfParentNode] = newNode;
+ this.values[idxOfNewNode] = parentNode;
+ idxOfNewNode = idxOfParentNode;
+ continue;
+ }
+ break;
+ }
+ return this.values;
+ },
+ dequeue: function () {
+ if (this.values.length == 0) {
+ return;
+ }
+ const dequeued = this.values.shift();
+ const lastItem = this.values.pop();
+ if (!lastItem) {
+ return dequeued;
+ }
+ this.values.unshift(lastItem);
+
+ let idxOfTarget = 0;
+
+ while (true) {
+ let idxOfLeftChild = idxOfTarget * 2 + 1;
+ let idxOfRightChild = idxOfTarget * 2 + 2;
+ let leftChild = this.values[idxOfLeftChild];
+ let rightChild = this.values[idxOfRightChild];
+
+ function swap(direction) {
+ const idxOfChild =
+ direction == "left" ? idxOfLeftChild : idxOfRightChild;
+ const child = direction == "left" ? leftChild : rightChild;
+ this.values[idxOfChild] = this.values[idxOfTarget];
+ this.values[idxOfTarget] = child;
+ idxOfTarget = idxOfChild;
+ }
+
+ if (!leftChild) {
+ return dequeued;
+ }
+
+ if (!rightChild) {
+ if (leftChild.priority < lastItem.priority) {
+ swap.call(this, "left");
+ continue;
+ }
+ return dequeued;
+ }
+
+ if (leftChild.priority == rightChild.priority) {
+ swap.call(this, "left");
+ continue;
+ }
+
+ if (
+ leftChild.priority < rightChild.priority &&
+ leftChild.priority < lastItem.priority
+ ) {
+ swap.call(this, "left");
+ continue;
+ }
+
+ if (
+ rightChild.priority < leftChild.priority &&
+ rightChild.priority < lastItem.priority
+ ) {
+ swap.call(this, "right");
+ continue;
+ }
+ }
+ },
+ };
+
+ const WeightedGraph = {
+ init: function () {
+ this.adjacencyList = {};
+ this.length = 0;
+ },
+ addVertex: function (vertex) {
+ if (!this.adjacencyList.hasOwnProperty(vertex)) {
+ this.adjacencyList[vertex] = {};
+ this.length++;
+ }
+ },
+ addEdge: function (vertex1, vertex2, weight) {
+ this.addVertex(vertex1);
+ this.addVertex(vertex2);
+ this.adjacencyList[vertex1][vertex2] = weight;
+ this.adjacencyList[vertex2][vertex1] = weight;
+ return this.adjacencyList;
+ },
+ removeEdge: function (vertex1, vertex2) {
+ if (!this.adjacencyList.hasOwnProperty(vertex1)) {
+ return `There's no ${vertex1}`;
+ }
+ if (!this.adjacencyList.hasOwnProperty(vertex2)) {
+ return `There's no ${vertex2}`;
+ }
+
+ function removeHelper(v1, v2) {
+ if (!this.adjacencyList.hasOwnProperty(v1)) {
+ return `There's no edge between ${v1} and ${v2}`;
+ }
+ delete this.adjacencyList[v1][v2];
+ if (Object.keys(this.adjacencyList[v1]).length == 0) {
+ delete this.adjacencyList[v1];
+ }
+ }
+
+ removeHelper.call(this, vertex1, vertex2);
+ removeHelper.call(this, vertex2, vertex1);
+
+ return this.adjacencyList;
+ },
+ removeVertex: function (vertex) {
+ if (!this.adjacencyList.hasOwnProperty(vertex)) {
+ return `There's no ${vertex}`;
+ }
+ const edges = this.adjacencyList[vertex];
+ for (const key in edges) {
+ this.removeEdge(key, vertex);
+ }
+ return this.adjacencyList;
+ },
+ findShortestRoute: function (start, end) {
+ if (!start || !end) {
+ throw Error("출발지와 도착지를 모두 입력해야 합니다.");
+ }
+ const distance = {};
+ const previous = {};
+ const pq = Object.create(PriorityQueue);
+ pq.init();
+ pq.enqueue(start, 0);
+ const visited = {};
+
+ const hashOfVertex = this.adjacencyList;
+ for (const vertexName in hashOfVertex) {
+ const priority = vertexName == start ? 0 : Infinity;
+ distance[vertexName] = priority;
+ previous[vertexName] = null;
+ }
+
+ while (true) {
+ let current = pq.dequeue();
+ if (!current?.val) {
+ return;
+ }
+ current = current.val;
+ if (current == end) {
+ break;
+ }
+ const neighbors = hashOfVertex[current];
+
+ for (const vertexName in neighbors) {
+ if (visited.hasOwnProperty(vertexName)) {
+ continue;
+ }
+ const distFromStart = distance[current] + neighbors[vertexName];
+
+ if (distFromStart < distance[vertexName]) {
+ pq.enqueue(vertexName, distFromStart);
+ distance[vertexName] = distFromStart;
+ previous[vertexName] = current;
+ }
+ }
+ visited[current] = true;
+ }
+
+ let node = end;
+
+ const route = [];
+ while (node) {
+ route.unshift(node);
+ node = previous[node];
+ }
+
+ return route;
+ },
+ };
+
+ this.addEdge = (source, target, weight) => {
+ WeightedGraph.addEdge(source, target, weight);
+ };
+
+ this.findShortestPath = (source, target) => {
+ return WeightedGraph.findShortestRoute(source, target);
+ };
+
+ this.addVertex = (vertex) => {
+ WeightedGraph.addVertex(vertex);
+ };
+
+ WeightedGraph.init();
+}
diff --git a/src/utils/consts.js b/src/utils/consts.js
new file mode 100644
index 0000000..d946087
--- /dev/null
+++ b/src/utils/consts.js
@@ -0,0 +1,48 @@
+export const commonConsts = {
+ IS_TRUE: 1,
+ IS_FALSE: 0,
+};
+
+export const inputConsts = {
+ MAIN_TITLE_TEXT: '🚇 지하철 길찾기
',
+ MAIN_IDNAME: 'app',
+ INPUT_AREA_IDNAME: 'input-area',
+ INPUT_TITLE_TAG: 'span',
+ DEPARTURE_TITLE_CONTENT: '출발역',
+ ARRIVAL_TITLE_CONTENT: '도착역',
+ DEPARTURE_TITLE_IDNAME: 'departure-title',
+ ARRIVAL_TITLE_IDNAME: 'arrival-title',
+ DEPARTURE_INPUT_IDNAME: 'departure-station-name-input',
+ ARRIVAL_INPUT_IDNAME: 'arrival-station-name-input',
+ RADIO_AREA_IDNAME: 'radio-area',
+ RADIO_NAME: 'search-type',
+ RADIO_ATTRIBUTE: 'type',
+ RADIO_ATTRIBUTE_NAME: 'radio',
+ RADIO_DISTANCE_IDNAME: 'radio-distance',
+ RADIO_TIME_IDNAME: 'radio-time',
+ RADIO_DISTANCE_TEXT: '최단거리',
+ RADIO_TIME_TEXT: '최소시간',
+ RADIO_MARGIN: '0 4px 0 6px',
+ SEARCH_BUTTON_IDNAME: 'search-button',
+ SEARCH_BUTTON_TEXT: '길 찾기',
+ BUTTON_MARGIN: '0 2px 0 2px',
+ DEPARTURE_DOES_NOT_EXIST_ERROR_MESSAGE:
+ '존재하지 않는 출발역입니다. 존재하는 출발역을 입력해주세요',
+ ARRIVAL_DOES_NOT_EXIST_ERROR_MESSAGE:
+ '존재하지 않는 도착역입니다. 존재하는 도착역을 입력해주세요',
+ SAME_DEPARTURE_ARRIVAL_ERROR_MESSAGE:
+ '출발역과 도착역이 같습니다. 다르게 입력해주세요',
+ NOT_CONNECTED_ERROR_MESSAGE:
+ '출발역과 도착역이 연결되어 있지 않아 경로를 구할 수 없습니다.',
+};
+
+export const resultConsts = {
+ RESULT_AREA_IDNAME: 'result-area',
+ RESULT_TITLE_TAG: 'h2',
+ RESULT_TITLE_TEXT: '📝 결과',
+ SEARCH_TYPE_TITLE_TAG: 'h3',
+ SEARCH_TYPE_TITLE_IDNAME: 'search-type-title',
+ TABLE_IDNAME: 'result-table',
+ DISTANCE_ROW_TITLE: '총 거리',
+ TIME_ROW_TITLE: '총 소요 시간',
+};
diff --git a/src/utils/error_utils.js b/src/utils/error_utils.js
new file mode 100644
index 0000000..af029d1
--- /dev/null
+++ b/src/utils/error_utils.js
@@ -0,0 +1,178 @@
+import CommonUtils from '../view/common_utils.js';
+import { commonConsts, inputConsts } from '../utils/consts.js';
+import CommonView from '../view/common_view.js';
+import { line2호선, line3호선, line신분당선 } from '../model/stations.js';
+
+export default class ErrorUtils {
+ setVariables() {
+ this._commonUtils = new CommonUtils();
+ this._commonView = new CommonView();
+ this.departureInput = this._commonUtils.getById(
+ inputConsts.DEPARTURE_INPUT_IDNAME
+ ).value;
+ this.arrivalInput = this._commonUtils.getById(
+ inputConsts.ARRIVAL_INPUT_IDNAME
+ ).value;
+ }
+
+ inputErrorExists() {
+ this.setVariables();
+
+ if (
+ this.doesNotExist(this.departureInput) +
+ this.doesNotExist(this.arrivalInput)
+ ) {
+ return commonConsts.IS_TRUE;
+ }
+
+ if (this.sameDepartureArrival()) {
+ return commonConsts.IS_TRUE;
+ }
+
+ if (this.notConnected(this.departureInput, this.arrivalInput)) {
+ return commonConsts.IS_TRUE;
+ }
+
+ return commonConsts.IS_FALSE;
+ }
+
+ alertCorrespondingError() {
+ if (this.doesNotExist(this.departureInput)) {
+ this._commonView.alertError(
+ inputConsts.DEPARTURE_DOES_NOT_EXIST_ERROR_MESSAGE
+ );
+ }
+
+ if (this.doesNotExist(this.arrivalInput)) {
+ this._commonView.alertError(
+ inputConsts.ARRIVAL_DOES_NOT_EXIST_ERROR_MESSAGE
+ );
+ }
+
+ if (this.sameDepartureArrival()) {
+ this._commonView.alertError(
+ inputConsts.SAME_DEPARTURE_ARRIVAL_ERROR_MESSAGE
+ );
+ }
+
+ if (this.notConnected(this.departureInput, this.arrivalInput)) {
+ this._commonView.alertError(inputConsts.NOT_CONNECTED_ERROR_MESSAGE);
+ }
+ }
+
+ doesNotExist(input) {
+ if (line2호선.findIndex((station) => station.name === input) >= 0) {
+ return commonConsts.IS_FALSE;
+ }
+
+ if (line3호선.findIndex((station) => station.name === input) >= 0) {
+ return commonConsts.IS_FALSE;
+ }
+
+ if (line신분당선.findIndex((station) => station.name === input) >= 0) {
+ return commonConsts.IS_FALSE;
+ }
+
+ return commonConsts.IS_TRUE;
+ }
+
+ sameDepartureArrival() {
+ if (this.departureInput === this.arrivalInput) {
+ return commonConsts.IS_TRUE;
+ }
+
+ return commonConsts.IS_FALSE;
+ }
+
+ notConnected(departure, arrival) {
+ if (
+ this.notSameLine(line2호선, departure, arrival) &&
+ this.notSameLine(line3호선, departure, arrival) &&
+ this.notSameLine(line신분당선, departure, arrival)
+ ) {
+ return this.cannotTransfer();
+ }
+
+ return commonConsts.IS_FALSE;
+ }
+
+ notSameLine(line, departure, arrival) {
+ if (
+ line.findIndex((station) => station.name === departure) >= 0 &&
+ line.findIndex((station) => station.name === arrival) >= 0
+ ) {
+ return commonConsts.IS_FALSE;
+ }
+
+ return commonConsts.IS_TRUE;
+ }
+
+ cannotTransfer() {
+ const lineList = [line2호선, line3호선, line신분당선];
+ const departureLineList = this.findWhereDepartureIs(lineList);
+ const arrivalLineIndex = this.findWhereArrivalIs(
+ lineList,
+ departureLineList
+ );
+ const arrivalLine = lineList[arrivalLineIndex];
+ const transfer = this.countTransfer(departureLineList, arrivalLine);
+
+ if (transfer === 0) {
+ return commonConsts.IS_TRUE;
+ }
+
+ return commonConsts.IS_FALSE;
+ }
+
+ countTransfer(departureLineList, arrivalLine) {
+ let transfer = 0;
+
+ departureLineList.forEach((line) => {
+ transfer += this.overlapWithArrivalLine(line, arrivalLine);
+ });
+
+ return transfer;
+ }
+
+ overlapWithArrivalLine(line, arrivalLine) {
+ let overlap = 0;
+
+ line.forEach((station) => {
+ overlap += this.arrivalLineStationExists(arrivalLine, station);
+ });
+
+ return overlap;
+ }
+
+ arrivalLineStationExists(arrivalLine, station) {
+ let exists = 0;
+
+ arrivalLine.forEach((transfer) => {
+ if (station.name === transfer.name) {
+ exists += 1;
+ }
+ });
+
+ return exists;
+ }
+
+ findWhereDepartureIs(lineList) {
+ let departureLineList = [];
+
+ lineList.forEach((line) => {
+ if (
+ line.findIndex((station) => station.name === this.departureInput) >= 0
+ ) {
+ departureLineList.push(line);
+ }
+ });
+
+ return departureLineList;
+ }
+
+ findWhereArrivalIs(lineList, departureLineList) {
+ return lineList.findIndex((line) => departureLineList.indexOf(line) === -1);
+ }
+
+ checkIfTransferStationExists() {}
+}
diff --git a/src/view/common_utils.js b/src/view/common_utils.js
new file mode 100644
index 0000000..10ba4ca
--- /dev/null
+++ b/src/view/common_utils.js
@@ -0,0 +1,31 @@
+export default class CommonUtils {
+ setAttribute(tag, attribute, attributeName) {
+ tag.setAttribute(attribute, attributeName);
+ }
+
+ appendToIdName(child, parentIdName) {
+ const parent = this.getById(parentIdName);
+
+ parent.appendChild(child);
+ }
+
+ appendToVarName(child, parent) {
+ parent.appendChild(child);
+ }
+
+ getById(idName) {
+ return document.getElementById(idName);
+ }
+
+ setMargin(tag, margin) {
+ tag.style.margin = margin;
+ }
+
+ emptyInput(input) {
+ input.value = "";
+ }
+
+ emptyInnerHTML(tag) {
+ tag.innerHTML = "";
+ }
+}
diff --git a/src/view/common_view.js b/src/view/common_view.js
new file mode 100644
index 0000000..9176ae4
--- /dev/null
+++ b/src/view/common_view.js
@@ -0,0 +1,71 @@
+import {inputConsts} from '../utils/consts.js';
+import CommonUtils from './common_utils.js';
+
+export default class CommonView {
+ constructor() {
+ this._commonUtils = new CommonUtils();
+ }
+
+ createDOM(tag) {
+ return document.createElement(tag);
+ }
+
+ insertEmptyLine(parentIdName) {
+ const br = this.createElement("br");
+
+ this._commonUtils.appendToIdName(br, parentIdName);
+ }
+
+ createTitle(tag, titleText, titleIdName, parentIdName, margin) {
+ const title = this.createElement(tag);
+
+ title.innerHTML = titleText;
+ this._commonUtils.setAttribute(title, "id", titleIdName);
+ this._commonUtils.appendToIdName(title, parentIdName);
+
+ if (margin) {
+ this._commonUtils.setMargin(title, margin)
+ }
+ }
+
+ createInput(inputIdName, parentIdName, radio) {
+ const input = this.createElement("input");
+
+ this._commonUtils.setAttribute(input, "id", inputIdName);
+ this._commonUtils.appendToIdName(input, parentIdName);
+ this._commonUtils.setMargin(input, inputConsts.RADIO_MARGIN);
+
+ if (radio) {
+ this._commonUtils.setAttribute(input, inputConsts.RADIO_ATTRIBUTE, inputConsts.RADIO_ATTRIBUTE_NAME);
+ this._commonUtils.setAttribute(input, 'name', inputConsts.RADIO_NAME);
+ }
+
+ return input;
+ }
+
+ createButton(buttonAttributeName, buttonText, parentIdName) {
+ const button = this.createElement("button");
+
+ this._commonUtils.setAttribute(button, "id", buttonAttributeName);
+ button.innerHTML = buttonText;
+ this._commonUtils.appendToIdName(button, parentIdName);
+ this._commonUtils.setMargin(button, inputConsts.BUTTON_MARGIN);
+
+ return button;
+ }
+
+ createElement(tag) {
+ return document.createElement(tag);
+ }
+
+ createDiv(attributeName) {
+ const div = this.createElement('div');
+
+ this._commonUtils.setAttribute(div, 'id', attributeName);
+ this._commonUtils.appendToIdName(div, inputConsts.MAIN_IDNAME);
+ }
+
+ alertError = (errorMessage) => {
+ alert(errorMessage);
+ };
+}
\ No newline at end of file
diff --git a/src/view/main_view.js b/src/view/main_view.js
new file mode 100644
index 0000000..2686fe9
--- /dev/null
+++ b/src/view/main_view.js
@@ -0,0 +1,100 @@
+import CommonView from './common_view.js';
+import { inputConsts } from '../utils/consts.js';
+import CommonUtils from './common_utils.js';
+
+export default class MainView {
+ constructor() {
+ this._commonView = new CommonView();
+ this._commonUtils = new CommonUtils();
+ this.initPage();
+ }
+
+ initPage() {
+ document.body.style.fontFamily = 'Arial';
+ this.createMainTitle();
+ this.createInputArea();
+ this.createRadioArea();
+ this.createButtonArea();
+ }
+
+ createMainTitle() {
+ const app = this._commonUtils.getById(inputConsts.MAIN_IDNAME);
+
+ app.innerHTML = inputConsts.MAIN_TITLE_TEXT;
+ }
+
+ createInputArea() {
+ this._commonView.createDiv(inputConsts.INPUT_AREA_IDNAME);
+ this.createDepartureInput();
+ this._commonView.insertEmptyLine(inputConsts.INPUT_AREA_IDNAME);
+ this.createArrivalInput();
+ this._commonView.insertEmptyLine(inputConsts.INPUT_AREA_IDNAME);
+ }
+
+ createDepartureInput() {
+ this._commonView.createTitle(
+ inputConsts.INPUT_TITLE_TAG,
+ inputConsts.DEPARTURE_TITLE_CONTENT,
+ inputConsts.DEPARTURE_TITLE_IDNAME,
+ inputConsts.INPUT_AREA_IDNAME
+ );
+ this._commonView.createInput(
+ inputConsts.DEPARTURE_INPUT_IDNAME,
+ inputConsts.INPUT_AREA_IDNAME
+ );
+ this._commonView.insertEmptyLine(inputConsts.INPUT_AREA_IDNAME);
+ }
+
+ createArrivalInput() {
+ this._commonView.createTitle(
+ inputConsts.INPUT_TITLE_TAG,
+ inputConsts.ARRIVAL_TITLE_CONTENT,
+ inputConsts.ARRIVAL_TITLE_IDNAME,
+ inputConsts.INPUT_AREA_IDNAME
+ );
+ this._commonView.createInput(
+ inputConsts.ARRIVAL_INPUT_IDNAME,
+ inputConsts.INPUT_AREA_IDNAME
+ );
+ this._commonView.insertEmptyLine(inputConsts.INPUT_AREA_IDNAME);
+ }
+
+ createRadioArea() {
+ this._commonView.createDiv(inputConsts.RADIO_AREA_IDNAME);
+ const distanceRadio = this._commonView.createInput(
+ inputConsts.RADIO_DISTANCE_IDNAME,
+ inputConsts.RADIO_AREA_IDNAME,
+ inputConsts.RADIO_DISTANCE_TEXT
+ );
+
+ distanceRadio.checked = true;
+ this._commonView.createTitle(
+ inputConsts.INPUT_TITLE_TAG,
+ inputConsts.RADIO_DISTANCE_TEXT,
+ '',
+ inputConsts.RADIO_AREA_IDNAME,
+ inputConsts.RADIO_MARGIN
+ );
+ this._commonView.createInput(
+ inputConsts.RADIO_TIME_IDNAME,
+ inputConsts.RADIO_AREA_IDNAME,
+ inputConsts.RADIO_TIME_TEXT
+ );
+ this._commonView.createTitle(
+ inputConsts.INPUT_TITLE_TAG,
+ inputConsts.RADIO_TIME_TEXT,
+ '',
+ inputConsts.RADIO_AREA_IDNAME,
+ inputConsts.RADIO_MARGIN
+ );
+ }
+
+ createButtonArea() {
+ this._commonView.insertEmptyLine(inputConsts.MAIN_IDNAME);
+ this._commonView.createButton(
+ inputConsts.SEARCH_BUTTON_IDNAME,
+ inputConsts.SEARCH_BUTTON_TEXT,
+ inputConsts.MAIN_IDNAME
+ );
+ }
+}
diff --git a/src/view/table_add_view.js b/src/view/table_add_view.js
new file mode 100644
index 0000000..3282bb5
--- /dev/null
+++ b/src/view/table_add_view.js
@@ -0,0 +1,38 @@
+import CommonView from './common_view.js';
+import CommonUtils from './common_utils.js';
+
+export default class TableAddView {
+ constructor() {
+ this._commonView = new CommonView();
+ this._commonUtils = new CommonUtils();
+ }
+
+ setBorderStyle(element) {
+ element.style.border = '1px solid black';
+ }
+
+ createAndReturnRow(rowArray, tableIdName) {
+ const table = this._commonUtils.getById(tableIdName);
+ const row = this.addRowToTable(table, rowArray);
+
+ this.addCellsToRow(rowArray, row, tableIdName);
+
+ return row;
+ }
+
+ addRowToTable(table, rowArray) {
+ const row = table.insertRow();
+
+ this._commonUtils.setAttribute(row, 'data-tracking', rowArray);
+
+ return row;
+ }
+
+ addCellsToRow(rowArray, row, tableIdName) {
+ rowArray.forEach((v, i) => {
+ const cell = row.insertCell(i);
+
+ this.setBorderStyle(cell);
+ });
+ }
+}
diff --git a/src/view/table_default_view.js b/src/view/table_default_view.js
new file mode 100644
index 0000000..edcc778
--- /dev/null
+++ b/src/view/table_default_view.js
@@ -0,0 +1,43 @@
+import CommonView from './common_view.js';
+import CommonUtils from './common_utils.js';
+import { tableType } from '../consts.js';
+import TableAddView from './table_add_view.js';
+
+export default class TableUtils {
+ constructor() {
+ this._commonView = new CommonView();
+ this._commonUtils = new CommonUtils();
+ this._tableAddView = new TableAddView();
+ }
+
+ createTableDefaults(tableIdName, parentIdName) {
+ const rowTitleArray = tableType[tableIdName];
+ const table = document.createElement('table');
+
+ this._tableAddView.setBorderStyle(table);
+ this.createTitleRow(rowTitleArray, table);
+ this._commonUtils.setAttribute(table, 'id', tableIdName);
+ this._commonUtils.appendToIdName(table, parentIdName);
+ }
+
+ createTitleRow(rowTitleArray, table) {
+ const row = table.insertRow(0);
+
+ rowTitleArray.forEach((titleText, i) => {
+ this.createTitleCell(row, titleText, i);
+ });
+ }
+
+ createTitleCell(row, titleText, i) {
+ const cell = row.insertCell(i);
+
+ cell.innerHTML = titleText;
+ this.setTitleCellStyle(cell);
+ }
+
+ setTitleCellStyle(cell) {
+ this._tableAddView.setBorderStyle(cell);
+ cell.style.fontWeight = 'bold';
+ cell.style.textAlign = 'center';
+ }
+}