database and orm setup

authentication-service/entities/User.ts

@@ -0,0 +1,13 @@
+import { Entity, PrimaryGeneratedColumn, Column } from "typeorm";
+
+@Entity()
+export class User {
+	@PrimaryGeneratedColumn()
+	id!: number;
+
+	@Column()
+	username!: string;
+
+	@Column()
+	password!: string;
+}

data-source.ts

@@ -0,0 +1,38 @@
+import { DataSource } from "typeorm";
+
+import { User } from "./authentication-service/entities/User";
+import { NewsData } from "./news-data-service/entities/NewsData";
+import { SentimentData } from "./sentiment-analysis-service/entities/SentimentData";
+import { Stock } from "./shared/entities/Stock";
+import { configDotenv } from "dotenv";
+
+// load environment variables from .env file
+configDotenv();
+
+const AppDataSource = new DataSource({
+	type: "postgres",
+	host: process.env.DB_HOST || "",
+	port: parseInt(process.env.DB_PORT || "", 10),
+	username: process.env.DB_USERNAME || "",
+	password: process.env.DB_PASSWORD || "",
+	database: process.env.DB_DATABASE || "",
+	synchronize: true,
+	logging: true,
+	entities: [User, NewsData, SentimentData, Stock],
+	migrations: [],
+	ssl: {
+		rejectUnauthorized: false,
+	},
+});
+
+// initialize the DataSource
+AppDataSource.initialize()
+	.then(() => {
+		console.log("Data Source has been initialized!");
+	})
+	.catch((err) => {
+		console.error("Error during Data Source initialization", err);
+	});
+
+// export the datasource for global usage
+export default AppDataSource;

migrations/1701827777779-InitialMigration.ts

@@ -0,0 +1,11 @@
+import { MigrationInterface, QueryRunner } from "typeorm"
+
+export class InitialMigration1701827777779 implements MigrationInterface {
+
+    public async up(queryRunner: QueryRunner): Promise<void> {
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+    }
+
+}

news-data-service/entities/NewsData.ts

@@ -0,0 +1,16 @@
+import { Entity, PrimaryGeneratedColumn, Column } from "typeorm";
+
+@Entity()
+export class NewsData {
+	@PrimaryGeneratedColumn()
+	id!: number;
+
+	@Column()
+	headline!: string;
+
+	@Column()
+	content!: string;
+
+	@Column()
+	publicationDate!: Date;
+}

package.json

@@ -6,6 +6,10 @@
 	"author": "0xTxbi <[email protected]>",
 	"license": "Apache",
 	"private": true,
+	"type": "commonjs",
+	"scripts": {
+		"typeorm": "typeorm-ts-node-commonjs"
+	},
 	"devDependencies": {
 		"ts-node": "^10.9.1",
 		"typescript": "^5.3.2"
@@ -14,8 +18,10 @@
 		"@types/express": "^4.17.21",
 		"@types/jsonwebtoken": "^9.0.5",
 		"@types/node": "^20.10.3",
+		"dotenv": "^16.3.1",
 		"express": "^4.18.2",
 		"jsonwebtoken": "^9.0.2",
+		"pg": "^8.11.3",
 		"reflect-metadata": "^0.1.13",
 		"socket.io": "^4.7.2",
 		"typeorm": "^0.3.17"

sentiment-analysis-service/entities/SentimentData.ts

@@ -0,0 +1,13 @@
+import { Entity, PrimaryGeneratedColumn, Column } from "typeorm";
+
+@Entity()
+export class SentimentData {
+	@PrimaryGeneratedColumn()
+	id!: number;
+
+	@Column()
+	stockSymbol!: string;
+
+	@Column()
+	sentimentScore!: number;
+}

shared/entities/Stock.ts

@@ -0,0 +1,13 @@
+import { Entity, PrimaryGeneratedColumn, Column } from "typeorm";
+
+@Entity()
+export class Stock {
+	@PrimaryGeneratedColumn()
+	id!: number;
+
+	@Column()
+	symbol!: string;
+
+	@Column()
+	companyName!: string;
+}

tsconfig.json

@@ -1,18 +1,12 @@
 {
 	"compilerOptions": {
-		/* Language and Environment */
-		"target": "es2016",
-
-		/* Modules */
+		"lib": ["es5", "es6"],
+		"target": "es5",
 		"module": "commonjs",
-
-		"esModuleInterop": true,
-
-		"forceConsistentCasingInFileNames": true,
-
-		/* Type Checking */
-		"strict": true,
-
-		"skipLibCheck": true
+		"moduleResolution": "node",
+		"outDir": "./build",
+		"emitDecoratorMetadata": true,
+		"experimentalDecorators": true,
+		"sourceMap": true
 	}
 }

yarn.lock

@@ -262,6 +262,11 @@ [email protected]:
   resolved "https://registry.yarnpkg.com/buffer-equal-constant-time/-/buffer-equal-constant-time-1.0.1.tgz#f8e71132f7ffe6e01a5c9697a4c6f3e48d5cc819"
   integrity sha512-zRpUiDwd/xk6ADqPMATG8vc9VPrkck7T07OIx0gnjmJAnHnTVXNQG3vfvWNuiZIkwu9KrKdA1iJKfsfTVxE6NA==
 
+[email protected]:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/buffer-writer/-/buffer-writer-2.0.0.tgz#ce7eb81a38f7829db09c873f2fbb792c0c98ec04"
+  integrity sha512-a7ZpuTZU1TRtnwyCNW3I5dc0wWNC3VR9S++Ewyk2HHZdrO3CQJqSpd+95Us590V6AL7JqUAH2IwZ/398PmNFgw==
+
 buffer@^6.0.3:
   version "6.0.3"
   resolved "https://registry.yarnpkg.com/buffer/-/buffer-6.0.3.tgz#2ace578459cc8fbe2a70aaa8f52ee63b6a74c6c6"
@@ -419,7 +424,7 @@ diff@^4.0.1:
   resolved "https://registry.yarnpkg.com/diff/-/diff-4.0.2.tgz#60f3aecb89d5fae520c11aa19efc2bb982aade7d"
   integrity sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==
 
-dotenv@^16.0.3:
+dotenv@^16.0.3, dotenv@^16.3.1:
   version "16.3.1"
   resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-16.3.1.tgz#369034de7d7e5b120972693352a3bf112172cc3e"
   integrity sha512-IPzF4w4/Rd94bA9imS68tZBaYyBWSCE47V1RGuMrB94iyTOIEwRmVL2x/4An+6mETpLrKJ5hQkB8W4kFAadeIQ==
@@ -842,6 +847,11 @@ once@^1.3.0:
   dependencies:
     wrappy "1"
 
+[email protected]:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/packet-reader/-/packet-reader-1.0.0.tgz#9238e5480dedabacfe1fe3f2771063f164157d74"
+  integrity sha512-HAKu/fG3HpHFO0AA8WE8q2g+gBJaZ9MG7fcKk+IJPLTGAD6Psw4443l+9DGRbOIh3/aXr7Phy0TjilYivJo5XQ==
+
 parse5-htmlparser2-tree-adapter@^6.0.0:
   version "6.0.1"
   resolved "https://registry.yarnpkg.com/parse5-htmlparser2-tree-adapter/-/parse5-htmlparser2-tree-adapter-6.0.1.tgz#2cdf9ad823321140370d4dbf5d3e92c7c8ddc6e6"
@@ -869,6 +879,86 @@ [email protected]:
   resolved "https://registry.yarnpkg.com/path-to-regexp/-/path-to-regexp-0.1.7.tgz#df604178005f522f15eb4490e7247a1bfaa67f8c"
   integrity sha512-5DFkuoqlv1uYQKxy8omFBeJPQcdoE07Kv2sferDCrAq1ohOU+MSDswDIbnx3YAM60qIOnYa53wBhXW0EbMonrQ==
 
+pg-cloudflare@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/pg-cloudflare/-/pg-cloudflare-1.1.1.tgz#e6d5833015b170e23ae819e8c5d7eaedb472ca98"
+  integrity sha512-xWPagP/4B6BgFO+EKz3JONXv3YDgvkbVrGw2mTo3D6tVDQRh1e7cqVGvyR3BE+eQgAvx1XhW/iEASj4/jCWl3Q==
+
+pg-connection-string@^2.6.2:
+  version "2.6.2"
+  resolved "https://registry.yarnpkg.com/pg-connection-string/-/pg-connection-string-2.6.2.tgz#713d82053de4e2bd166fab70cd4f26ad36aab475"
+  integrity sha512-ch6OwaeaPYcova4kKZ15sbJ2hKb/VP48ZD2gE7i1J+L4MspCtBMAx8nMgz7bksc7IojCIIWuEhHibSMFH8m8oA==
+
+[email protected]:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/pg-int8/-/pg-int8-1.0.1.tgz#943bd463bf5b71b4170115f80f8efc9a0c0eb78c"
+  integrity sha512-WCtabS6t3c8SkpDBUlb1kjOs7l66xsGdKpIPZsg4wR+B3+u9UAum2odSsF9tnvxg80h4ZxLWMy4pRjOsFIqQpw==
+
+pg-pool@^3.6.1:
+  version "3.6.1"
+  resolved "https://registry.yarnpkg.com/pg-pool/-/pg-pool-3.6.1.tgz#5a902eda79a8d7e3c928b77abf776b3cb7d351f7"
+  integrity sha512-jizsIzhkIitxCGfPRzJn1ZdcosIt3pz9Sh3V01fm1vZnbnCMgmGl5wvGGdNN2EL9Rmb0EcFoCkixH4Pu+sP9Og==
+
+pg-protocol@^1.6.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/pg-protocol/-/pg-protocol-1.6.0.tgz#4c91613c0315349363af2084608db843502f8833"
+  integrity sha512-M+PDm637OY5WM307051+bsDia5Xej6d9IR4GwJse1qA1DIhiKlksvrneZOYQq42OM+spubpcNYEo2FcKQrDk+Q==
+
+pg-types@^2.1.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/pg-types/-/pg-types-2.2.0.tgz#2d0250d636454f7cfa3b6ae0382fdfa8063254a3"
+  integrity sha512-qTAAlrEsl8s4OiEQY69wDvcMIdQN6wdz5ojQiOy6YRMuynxenON0O5oCpJI6lshc6scgAY8qvJ2On/p+CXY0GA==
+  dependencies:
+    pg-int8 "1.0.1"
+    postgres-array "~2.0.0"
+    postgres-bytea "~1.0.0"
+    postgres-date "~1.0.4"
+    postgres-interval "^1.1.0"
+
+pg@^8.11.3:
+  version "8.11.3"
+  resolved "https://registry.yarnpkg.com/pg/-/pg-8.11.3.tgz#d7db6e3fe268fcedd65b8e4599cda0b8b4bf76cb"
+  integrity sha512-+9iuvG8QfaaUrrph+kpF24cXkH1YOOUeArRNYIxq1viYHZagBxrTno7cecY1Fa44tJeZvaoG+Djpkc3JwehN5g==
+  dependencies:
+    buffer-writer "2.0.0"
+    packet-reader "1.0.0"
+    pg-connection-string "^2.6.2"
+    pg-pool "^3.6.1"
+    pg-protocol "^1.6.0"
+    pg-types "^2.1.0"
+    pgpass "1.x"
+  optionalDependencies:
+    pg-cloudflare "^1.1.1"
+
+[email protected]:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/pgpass/-/pgpass-1.0.5.tgz#9b873e4a564bb10fa7a7dbd55312728d422a223d"
+  integrity sha512-FdW9r/jQZhSeohs1Z3sI1yxFQNFvMcnmfuj4WBMUTxOrAyLMaTcE1aAMBiTlbMNaXvBCQuVi0R7hd8udDSP7ug==
+  dependencies:
+    split2 "^4.1.0"
+
+postgres-array@~2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/postgres-array/-/postgres-array-2.0.0.tgz#48f8fce054fbc69671999329b8834b772652d82e"
+  integrity sha512-VpZrUqU5A69eQyW2c5CA1jtLecCsN2U/bD6VilrFDWq5+5UIEVO7nazS3TEcHf1zuPYO/sqGvUvW62g86RXZuA==
+
+postgres-bytea@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/postgres-bytea/-/postgres-bytea-1.0.0.tgz#027b533c0aa890e26d172d47cf9ccecc521acd35"
+  integrity sha512-xy3pmLuQqRBZBXDULy7KbaitYqLcmxigw14Q5sj8QBVLqEwXfeybIKVWiqAXTlcvdvb0+xkOtDbfQMOf4lST1w==
+
+postgres-date@~1.0.4:
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/postgres-date/-/postgres-date-1.0.7.tgz#51bc086006005e5061c591cee727f2531bf641a8"
+  integrity sha512-suDmjLVQg78nMK2UZ454hAG+OAW+HQPZ6n++TNDUX+L0+uUlLywnoxJKDou51Zm+zTCjrCl0Nq6J9C5hP9vK/Q==
+
+postgres-interval@^1.1.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/postgres-interval/-/postgres-interval-1.2.0.tgz#b460c82cb1587507788819a06aa0fffdb3544695"
+  integrity sha512-9ZhXKM/rw350N1ovuWHbGxnGh/SNJ4cnxHiM0rxE4VN41wsg8P8zWn9hv/buK00RP4WvlOyr/RBDiptyxVbkZQ==
+  dependencies:
+    xtend "^4.0.0"
+
 proxy-addr@~2.0.7:
   version "2.0.7"
   resolved "https://registry.yarnpkg.com/proxy-addr/-/proxy-addr-2.0.7.tgz#f19fe69ceab311eeb94b42e70e8c2070f9ba1025"
@@ -1020,6 +1110,11 @@ socket.io@^4.7.2:
     socket.io-adapter "~2.5.2"
     socket.io-parser "~4.2.4"
 
+split2@^4.1.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/split2/-/split2-4.2.0.tgz#c9c5920904d148bab0b9f67145f245a86aadbfa4"
+  integrity sha512-UcjcJOWknrNkF6PLX83qcHM6KHgVKNkV62Y8a5uYDVv9ydGQVwAHMKqHdJje1VTWpljG0WYpCDhrCdAOYH4TWg==
+
 [email protected]:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/statuses/-/statuses-2.0.1.tgz#55cb000ccf1d48728bd23c685a063998cf1a1b63"
@@ -1174,6 +1269,11 @@ ws@~8.11.0:
   resolved "https://registry.yarnpkg.com/ws/-/ws-8.11.0.tgz#6a0d36b8edfd9f96d8b25683db2f8d7de6e8e143"
   integrity sha512-HPG3wQd9sNQoT9xHyNCXoDUa+Xw/VevmY9FoHyQ+g+rrMn4j6FB4np7Z0OhdTgjx6MgQLK7jwSy1YecU1+4Asg==
 
+xtend@^4.0.0:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.2.tgz#bb72779f5fa465186b1f438f674fa347fdb5db54"
+  integrity sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==
+
 y18n@^5.0.5:
   version "5.0.8"
   resolved "https://registry.yarnpkg.com/y18n/-/y18n-5.0.8.tgz#7f4934d0f7ca8c56f95314939ddcd2dd91ce1d55"