Initial commit of calendar service

Calendar/Service/.env

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+PORT=8080

Calendar/Service/.eslintrc.json

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+{
+    "env": {
+        "es2021": true,
+        "node": true
+    },
+    "extends": [
+        "eslint:recommended",
+        "plugin:@typescript-eslint/recommended"
+    ],
+    "parser": "@typescript-eslint/parser",
+    "parserOptions": {
+        "ecmaVersion": "latest",
+        "sourceType": "module"
+    },
+    "plugins": [
+        "@typescript-eslint"
+    ],
+    "rules": {
+        "indent": [
+            "error",
+            4
+        ],
+        "linebreak-style": [
+            "error",
+            "windows"
+        ],
+        "quotes": [
+            "error",
+            "single"
+        ],
+        "semi": [
+            "error",
+            "always"
+        ]
+    }
+}

Calendar/Service/.gitignore

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+dist/
+node_modules/

Calendar/Service/deploy/azure-pipelines.yml

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+name: $(Rev:r)
+
+pr: none
+
+trigger:
+  batch: 'true'
+  branches:
+    include:
+    - master
+  paths:
+    include:
+    - Calendar/Service
+
+stages:
+- stage: Build
+  jobs:
+  - job: Build
+    pool:
+      vmImage: 'ubuntu-latest'
+    steps:
+    - task: Docker@0
+      displayName: 'Build an image'
+      inputs:
+        containerregistrytype: 'Container Registry'
+        dockerRegistryConnection: 'Docker Hub'
+        dockerFile: 'Calendar/Service/Dockerfile'
+        imageName: 'ckaczor/home-monitor-calendar-service:$(Build.BuildNumber)'
+        includeLatestTag: true
+    - task: Docker@0
+      displayName: 'Push an image'
+      inputs:
+        containerregistrytype: 'Container Registry'
+        dockerRegistryConnection: 'Docker Hub'
+        action: 'Push an image'
+        imageName: 'ckaczor/home-monitor-calendar-service:$(Build.BuildNumber)'
+        includeLatestTag: true
+    - task: Bash@3
+      inputs:
+        targetType: 'inline'
+        script: 'sed -i s/#BUILD_BUILDNUMBER#/$BUILD_BUILDNUMBER/ Calendar/Service/deploy/manifest.yaml'
+    - task: PublishBuildArtifacts@1
+      inputs:
+        PathtoPublish: 'Calendar/Service/deploy/manifest.yaml'
+        ArtifactName: 'Manifest'
+        publishLocation: 'Container'
+
+- stage: Deploy
+  jobs:
+  - job: Deploy
+    pool:
+      vmImage: 'ubuntu-latest'
+    steps:
+    - task: DownloadBuildArtifacts@0
+      inputs:
+        artifactName: 'Manifest'
+        buildType: 'current'
+        downloadType: 'single'
+        downloadPath: '$(System.ArtifactsDirectory)'
+    - task: Kubernetes@1
+      inputs:
+        connectionType: 'Kubernetes Service Connection'
+        kubernetesServiceEndpoint: 'Kubernetes'
+        namespace: 'home-monitor'
+        command: 'apply'
+        useConfigurationFile: true
+        configuration: '$(System.ArtifactsDirectory)/Manifest/manifest.yaml'
+        secretType: 'dockerRegistry'
+        containerRegistryType: 'Container Registry'

Calendar/Service/deploy/manifest.yaml

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+---
+kind: Deployment
+apiVersion: apps/v1
+metadata:
+  name: calendar-service
+  namespace: home-monitor
+  labels:
+    app: calendar-service
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: calendar-service
+  template:
+    metadata:
+      labels:
+        app: calendar-service
+    spec:
+      containers:
+      - name: calendar-service
+        image: ckaczor/home-monitor-calendar-service:#BUILD_BUILDNUMBER#
+        terminationMessagePath: "/dev/termination-log"
+        terminationMessagePolicy: File
+        imagePullPolicy: Always
+        securityContext:
+          privileged: true
+      restartPolicy: Always
+      terminationGracePeriodSeconds: 30
+      dnsPolicy: ClusterFirst
+      nodeSelector:
+        kubernetes.io/hostname: kubernetes
+      schedulerName: default-scheduler
+---
+kind: Service
+apiVersion: v1
+metadata:
+  name: calendar-service
+spec:
+  ports:
+  - name: client
+    port: 8080
+  selector:
+    app: calendar-service
+  type: ClusterIP
+---
+apiVersion: traefik.containo.us/v1alpha1
+kind: IngressRoute
+metadata:
+  annotations:
+    kubernetes.io/ingress.class: traefik
+  creationTimestamp: null
+  name: calendar
+  namespace: home-monitor
+spec:
+  routes:
+  - kind: Rule
+    match: PathPrefix(`/api/calendar`)
+    middlewares:
+    - name: api-calendar
+      namespace: home-monitor
+    services:
+    - kind: Service
+      name: calendar-service
+      namespace: home-monitor
+      port: 8080
+---
+apiVersion: traefik.containo.us/v1alpha1
+kind: Middleware
+metadata:
+  creationTimestamp: null
+  name: api-calendar
+  namespace: home-monitor
+spec:
+  stripPrefix:
+    prefixes:
+    - /api/calendar

Calendar/Service/dockerfile

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+FROM node:20-alpine
+
+WORKDIR /usr/src/app
+
+COPY package*.json ./
+
+RUN npm install
+
+COPY . .
+
+EXPOSE 8080
+
+RUN npm run build
+
+CMD ["npm", "run", "dist"]

Calendar/Service/package.json

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+{
+  "name": "calendar",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "dev": "ts-node-dev --pretty --respawn ./src/app.ts",
+    "build": "tsc -p ./",
+    "dist": "node ./dist/app.js"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "bcryptjs": "^2.4.3",
+    "cors": "^2.8.5",
+    "date-holidays": "^3.23.3",
+    "dotenv": "^16.3.1",
+    "express": "^4.18.2",
+    "helmet": "^7.1.0",
+    "http-status-codes": "^2.3.0",
+    "luxon": "^3.4.4",
+    "uuid": "^9.0.1"
+  },
+  "devDependencies": {
+    "@types/bcryptjs": "^2.4.6",
+    "@types/cors": "^2.8.17",
+    "@types/express": "^4.17.21",
+    "@types/luxon": "^3.3.8",
+    "@types/uuid": "^9.0.7",
+    "@typescript-eslint/eslint-plugin": "^6.17.0",
+    "@typescript-eslint/parser": "^6.17.0",
+    "eslint": "^8.56.0",
+    "ts-node-dev": "^2.0.0",
+    "typescript": "^5.3.3"
+  }
+}

Calendar/Service/src/app.ts

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+import 'dotenv/config';
+import express from 'express';
+import cors from 'cors';
+import helmet from 'helmet';
+import { eventsRouter } from './events/events.routes';
+
+if (!process.env.PORT) {
+    console.log('No port value specified');
+    process.exit(1);
+}
+
+process.env.TZ = 'Etc/UTC';
+
+const PORT = parseInt(process.env.PORT as string, 10);
+
+const app = express();
+
+app.use(express.json());
+app.use(express.urlencoded({ extended: true }));
+app.use(cors());
+app.use(helmet());
+
+app.use('/events/', eventsRouter);
+
+app.listen(PORT, () => {
+    console.log(`Server is listening on port ${PORT}`);
+});

Calendar/Service/src/events/event.ts

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+import { HolidaysTypes } from 'date-holidays';
+import { DateTime, Interval } from 'luxon';
+
+export class Event {
+    name: string;
+    date: DateTime;
+    type: HolidaysTypes.HolidayType;
+    durationUntil: {
+        days: number;
+        hours: number;
+        minutes: number;
+        seconds: number;
+    } | null;
+
+    constructor(holiday: HolidaysTypes.Holiday, timezone: string) {
+        this.name = holiday.name;
+        this.date = DateTime.fromFormat(holiday.date, 'yyyy-MM-dd HH:mm:ss', { zone: timezone });
+        this.type = holiday.type;
+
+        const duration = Interval.fromDateTimes(DateTime.now(), this.date).toDuration(['days', 'hours', 'minutes', 'seconds']);
+
+        this.durationUntil = !duration.isValid ? null : {
+            days: duration.days,
+            hours: duration.hours,
+            minutes: duration.minutes,
+            seconds: Math.round(duration.seconds)
+        };
+    }
+}

Calendar/Service/src/events/events.routes.ts

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+import express, { Request, Response } from 'express';
+import { StatusCodes } from 'http-status-codes';
+import * as DateHolidays from 'date-holidays';
+import { Event } from './event';
+
+export const eventsRouter = express.Router();
+
+function getHolidays(req: Request): DateHolidays.HolidaysTypes.Holiday[] {
+    const country = req.query.country as string;
+    const state = req.query.state as string;
+    const year = parseInt(req.query.year as string, 10);
+    const timezone = 'Etc/UTC';
+
+    const dateHolidays = new DateHolidays.default();
+
+    dateHolidays.init(country, state, {
+        timezone: timezone
+    });
+
+    const holidays = dateHolidays.getHolidays(year);
+
+    return holidays;
+}
+
+eventsRouter.get('/all', async (req: Request, res: Response) => {
+    try {
+        const timezone = req.query.timezone as string;
+        const holidays = getHolidays(req);
+
+        const calendarEvents = holidays.map(holiday => new Event(holiday, timezone));
+
+        return res.status(StatusCodes.OK).json(calendarEvents);
+    } catch (error) {
+        return res.status(StatusCodes.INTERNAL_SERVER_ERROR).json({ error });
+    }
+});
+
+eventsRouter.get('/next', async (req: Request, res: Response) => {
+    try {
+        const timezone = req.query.timezone as string;
+        const holidays = getHolidays(req);
+
+        const nextHoliday = holidays.find(holiday => {
+            const holidayDate = new Date(holiday.date);
+
+            return holidayDate.getTime() > Date.now();
+        });
+
+        if (nextHoliday == null) {
+            return res.status(StatusCodes.OK).json(null);
+        }
+
+        const calendarEvent = new Event(nextHoliday, timezone);
+
+        return res.status(StatusCodes.OK).json(calendarEvent);
+    } catch (error) {
+        return res.status(StatusCodes.INTERNAL_SERVER_ERROR).json({ error });
+    }
+});
+
+eventsRouter.get('/future', async (req: Request, res: Response) => {
+    try {
+        const timezone = req.query.timezone as string;
+        const holidays = getHolidays(req);
+
+        const futureHolidays = holidays.filter(holiday => {
+            const holidayDate = new Date(holiday.date);
+
+            return holidayDate.getTime() > Date.now();
+        });
+
+        const calendarEvents = futureHolidays.map(holiday => new Event(holiday, timezone));
+
+        return res.status(StatusCodes.OK).json(calendarEvents);
+    } catch (error) {
+        return res.status(StatusCodes.INTERNAL_SERVER_ERROR).json({ error });
+    }
+});

Calendar/Service/tsconfig.json

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+{
+  "compilerOptions": {
+    /* Visit https://aka.ms/tsconfig to read more about this file */
+
+    /* Projects */
+    // "incremental": true,                              /* Save .tsbuildinfo files to allow for incremental compilation of projects. */
+    // "composite": true,                                /* Enable constraints that allow a TypeScript project to be used with project references. */
+    // "tsBuildInfoFile": "./.tsbuildinfo",              /* Specify the path to .tsbuildinfo incremental compilation file. */
+    // "disableSourceOfProjectReferenceRedirect": true,  /* Disable preferring source files instead of declaration files when referencing composite projects. */
+    // "disableSolutionSearching": true,                 /* Opt a project out of multi-project reference checking when editing. */
+    // "disableReferencedProjectLoad": true,             /* Reduce the number of projects loaded automatically by TypeScript. */
+
+    /* Language and Environment */
+    "target": "es2016",                                  /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
+    // "lib": [],                                        /* Specify a set of bundled library declaration files that describe the target runtime environment. */
+    // "jsx": "preserve",                                /* Specify what JSX code is generated. */
+    // "experimentalDecorators": true,                   /* Enable experimental support for legacy experimental decorators. */
+    // "emitDecoratorMetadata": true,                    /* Emit design-type metadata for decorated declarations in source files. */
+    // "jsxFactory": "",                                 /* Specify the JSX factory function used when targeting React JSX emit, e.g. 'React.createElement' or 'h'. */
+    // "jsxFragmentFactory": "",                         /* Specify the JSX Fragment reference used for fragments when targeting React JSX emit e.g. 'React.Fragment' or 'Fragment'. */
+    // "jsxImportSource": "",                            /* Specify module specifier used to import the JSX factory functions when using 'jsx: react-jsx*'. */
+    // "reactNamespace": "",                             /* Specify the object invoked for 'createElement'. This only applies when targeting 'react' JSX emit. */
+    // "noLib": true,                                    /* Disable including any library files, including the default lib.d.ts. */
+    // "useDefineForClassFields": true,                  /* Emit ECMAScript-standard-compliant class fields. */
+    // "moduleDetection": "auto",                        /* Control what method is used to detect module-format JS files. */
+
+    /* Modules */
+    "module": "commonjs",                                /* Specify what module code is generated. */
+    // "rootDir": "./",                                  /* Specify the root folder within your source files. */
+    // "moduleResolution": "node10",                     /* Specify how TypeScript looks up a file from a given module specifier. */
+    // "baseUrl": "./",                                  /* Specify the base directory to resolve non-relative module names. */
+    // "paths": {},                                      /* Specify a set of entries that re-map imports to additional lookup locations. */
+    // "rootDirs": [],                                   /* Allow multiple folders to be treated as one when resolving modules. */
+    // "typeRoots": [],                                  /* Specify multiple folders that act like './node_modules/@types'. */
+    // "types": [],                                      /* Specify type package names to be included without being referenced in a source file. */
+    // "allowUmdGlobalAccess": true,                     /* Allow accessing UMD globals from modules. */
+    // "moduleSuffixes": [],                             /* List of file name suffixes to search when resolving a module. */
+    // "allowImportingTsExtensions": true,               /* Allow imports to include TypeScript file extensions. Requires '--moduleResolution bundler' and either '--noEmit' or '--emitDeclarationOnly' to be set. */
+    // "resolvePackageJsonExports": true,                /* Use the package.json 'exports' field when resolving package imports. */
+    // "resolvePackageJsonImports": true,                /* Use the package.json 'imports' field when resolving imports. */
+    // "customConditions": [],                           /* Conditions to set in addition to the resolver-specific defaults when resolving imports. */
+    // "resolveJsonModule": true,                        /* Enable importing .json files. */
+    // "allowArbitraryExtensions": true,                 /* Enable importing files with any extension, provided a declaration file is present. */
+    // "noResolve": true,                                /* Disallow 'import's, 'require's or '<reference>'s from expanding the number of files TypeScript should add to a project. */
+
+    /* JavaScript Support */
+    // "allowJs": true,                                  /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */
+    // "checkJs": true,                                  /* Enable error reporting in type-checked JavaScript files. */
+    // "maxNodeModuleJsDepth": 1,                        /* Specify the maximum folder depth used for checking JavaScript files from 'node_modules'. Only applicable with 'allowJs'. */
+
+    /* Emit */
+    // "declaration": true,                              /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
+    // "declarationMap": true,                           /* Create sourcemaps for d.ts files. */
+    // "emitDeclarationOnly": true,                      /* Only output d.ts files and not JavaScript files. */
+    // "sourceMap": true,                                /* Create source map files for emitted JavaScript files. */
+    // "inlineSourceMap": true,                          /* Include sourcemap files inside the emitted JavaScript. */
+    // "outFile": "./",                                  /* Specify a file that bundles all outputs into one JavaScript file. If 'declaration' is true, also designates a file that bundles all .d.ts output. */
+    "outDir": "./dist/",                                 /* Specify an output folder for all emitted files. */
+    // "removeComments": true,                           /* Disable emitting comments. */
+    // "noEmit": true,                                   /* Disable emitting files from a compilation. */
+    // "importHelpers": true,                            /* Allow importing helper functions from tslib once per project, instead of including them per-file. */
+    // "importsNotUsedAsValues": "remove",               /* Specify emit/checking behavior for imports that are only used for types. */
+    // "downlevelIteration": true,                       /* Emit more compliant, but verbose and less performant JavaScript for iteration. */
+    // "sourceRoot": "",                                 /* Specify the root path for debuggers to find the reference source code. */
+    // "mapRoot": "",                                    /* Specify the location where debugger should locate map files instead of generated locations. */
+    // "inlineSources": true,                            /* Include source code in the sourcemaps inside the emitted JavaScript. */
+    // "emitBOM": true,                                  /* Emit a UTF-8 Byte Order Mark (BOM) in the beginning of output files. */
+    // "newLine": "crlf",                                /* Set the newline character for emitting files. */
+    // "stripInternal": true,                            /* Disable emitting declarations that have '@internal' in their JSDoc comments. */
+    // "noEmitHelpers": true,                            /* Disable generating custom helper functions like '__extends' in compiled output. */
+    // "noEmitOnError": true,                            /* Disable emitting files if any type checking errors are reported. */
+    // "preserveConstEnums": true,                       /* Disable erasing 'const enum' declarations in generated code. */
+    // "declarationDir": "./",                           /* Specify the output directory for generated declaration files. */
+    // "preserveValueImports": true,                     /* Preserve unused imported values in the JavaScript output that would otherwise be removed. */
+
+    /* Interop Constraints */
+    // "isolatedModules": true,                          /* Ensure that each file can be safely transpiled without relying on other imports. */
+    // "verbatimModuleSyntax": true,                     /* Do not transform or elide any imports or exports not marked as type-only, ensuring they are written in the output file's format based on the 'module' setting. */
+    // "allowSyntheticDefaultImports": true,             /* Allow 'import x from y' when a module doesn't have a default export. */
+    "esModuleInterop": true,                             /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */
+    // "preserveSymlinks": true,                         /* Disable resolving symlinks to their realpath. This correlates to the same flag in node. */
+    "forceConsistentCasingInFileNames": true,            /* Ensure that casing is correct in imports. */
+
+    /* Type Checking */
+    "strict": true,                                      /* Enable all strict type-checking options. */
+    // "noImplicitAny": true,                            /* Enable error reporting for expressions and declarations with an implied 'any' type. */
+    // "strictNullChecks": true,                         /* When type checking, take into account 'null' and 'undefined'. */
+    // "strictFunctionTypes": true,                      /* When assigning functions, check to ensure parameters and the return values are subtype-compatible. */
+    // "strictBindCallApply": true,                      /* Check that the arguments for 'bind', 'call', and 'apply' methods match the original function. */
+    // "strictPropertyInitialization": true,             /* Check for class properties that are declared but not set in the constructor. */
+    // "noImplicitThis": true,                           /* Enable error reporting when 'this' is given the type 'any'. */
+    // "useUnknownInCatchVariables": true,               /* Default catch clause variables as 'unknown' instead of 'any'. */
+    // "alwaysStrict": true,                             /* Ensure 'use strict' is always emitted. */
+    // "noUnusedLocals": true,                           /* Enable error reporting when local variables aren't read. */
+    // "noUnusedParameters": true,                       /* Raise an error when a function parameter isn't read. */
+    // "exactOptionalPropertyTypes": true,               /* Interpret optional property types as written, rather than adding 'undefined'. */
+    // "noImplicitReturns": true,                        /* Enable error reporting for codepaths that do not explicitly return in a function. */
+    // "noFallthroughCasesInSwitch": true,               /* Enable error reporting for fallthrough cases in switch statements. */
+    // "noUncheckedIndexedAccess": true,                 /* Add 'undefined' to a type when accessed using an index. */
+    // "noImplicitOverride": true,                       /* Ensure overriding members in derived classes are marked with an override modifier. */
+    // "noPropertyAccessFromIndexSignature": true,       /* Enforces using indexed accessors for keys declared using an indexed type. */
+    // "allowUnusedLabels": true,                        /* Disable error reporting for unused labels. */
+    // "allowUnreachableCode": true,                     /* Disable error reporting for unreachable code. */
+
+    /* Completeness */
+    // "skipDefaultLibCheck": true,                      /* Skip type checking .d.ts files that are included with TypeScript. */
+    "skipLibCheck": true                                 /* Skip type checking all .d.ts files. */
+  }
+}