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https://github.com/andrewjbateman/ionic-angular-stock-data
:clipboard: Ionic app to chart historic stock prices from a financial data API
https://github.com/andrewjbateman/ionic-angular-stock-data
angular angular15 api-rest financial-data ionic ionic6 ng2-charts stock-price tutorial-code
Last synced: 6 days ago
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:clipboard: Ionic app to chart historic stock prices from a financial data API
- Host: GitHub
- URL: https://github.com/andrewjbateman/ionic-angular-stock-data
- Owner: AndrewJBateman
- License: mit
- Created: 2019-12-19T11:46:41.000Z (almost 5 years ago)
- Default Branch: master
- Last Pushed: 2023-02-02T20:35:29.000Z (almost 2 years ago)
- Last Synced: 2023-03-02T09:37:21.294Z (over 1 year ago)
- Topics: angular, angular15, api-rest, financial-data, ionic, ionic6, ng2-charts, stock-price, tutorial-code
- Language: TypeScript
- Homepage:
- Size: 2 MB
- Stars: 7
- Watchers: 1
- Forks: 2
- Open Issues: 3
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
# :zap: Ionic Angular Charts
* App to chart historic stock prices from the [FMP financial data API](https://financialmodelingprep.com/developer/docs) using the [Ionic framework](https://ionicframework.com/docs).
* Includes tutorial from [Simon Grimm at Devdactic](https://www.youtube.com/channel/UCZZPgUIorPao48a1tBYSDgg) - see [:clap: Inspiration](#clap-inspiration) below. Changes added to show more API data using another http get request
* **Note:** to open web links in a new window use: _ctrl+click on link_
## :page_facing_up: Table of contents
* [:zap: Ionic Angular Charts](#zap-ionic-angular-charts)
* [:page_facing_up: Table of contents](#page_facing_up-table-of-contents)
* [:books: General info](#books-general-info)
* [:camera: Screenshots](#camera-screenshots)
* [:signal_strength: Technologies](#signal_strength-technologies)
* [:floppy_disk: Setup](#floppy_disk-setup)
* [:computer: Code Examples](#computer-code-examples)
* [:cool: Features](#cool-features)
* [:clipboard: Status & To-do list](#clipboard-status--to-do-list)
* [:clap: Inspiration](#clap-inspiration)
* [:file_folder: License](#file_folder-license)
* [:envelope: Contact](#envelope-contact)
## :books: General info
* Tutorial code changed to show example financial data on initialisation and clear the stock entry field (TSLA is shown) as I preferred this to initially seeing an empty graph.
* Tutorial code changed to avoid use of string literals - `const history = res['historical'];` caused a typescript error.
* Note: I had to reverse both x and y array values (date & stock price) so data would not display backwards.
* **Important note on versions**: This only works with ng2-charts v2.4.2, chart.js v2.9.4 and chartjs-plugin-zoom v0.7.7. Updating to the latest versions of these chart-based dependencies will mean this app does NOT work without major reconfiguration.
* [FMP financial data API](https://financialmodelingprep.com/developer/docs) free plan limited to 250 requests a day.
## :camera: Screenshots
## :signal_strength: Technologies
* [Ionic v6](https://ionicframework.com/) framework.
* [Ionic/angular v6](https://ionicframework.com/)
* [Angular framework v15](https://angular.io/)
* [rxjs library v7](https://angular.io/guide/rx-library) reactive prrogramming.
* [ng2-charts v2](https://valor-software.com/ng2-charts/) line & bar charts.
* [chart.js v2](https://www.chartjs.org/) datasets.
* [chartjs-plugin-zoom v0.7.7](https://github.com/chartjs/chartjs-plugin-zoom)
* [FMP financial data API](https://financialmodelingprep.com/developer/docs)
## :floppy_disk: Setup
* Install dependencies using `npm i`
* API key: sign up with [FMP financial data API](https://financialmodelingprep.com) to get an API key.
* Add API key to environments files
* To start the server on _localhost://8100_ type: 'ionic serve -o'
* Run `npm run build` to build the project. The build artifacts will be stored in the `dist/` directory.
## :computer: Code Examples
* function to get data from API. Only stock variable is defined by user.
```typescript
getData() {
this.http
.get(`
https://financialmodelingprep.com/api/v3/historical-price-full/
${this.stock}?to=2022-02-02&from=2017-02-02`).subscribe(res => {
const history = res['historical'];
this.chartLabels = [];
this.chartData[0].data = [];
for (const entry of history) {
this.chartLabels.push(entry.date);
this.chartData[0].data.push(entry.close);
}
});
}
```
## :cool: Features
* ng2-charts has 10 types of charts: line, bar, doughnut, radar, pie, polarArea, bubble, scatter, dynamic & financial. In this app the user can choose between line (default) and bar charts.
## :clipboard: Status & To-do list
* Status: Working
* To-do: Nothing
## :clap: Inspiration
* [Simon Grimm Devdactic Youtube video 'How to Build Ionic 4 Apps with Chart.js'](https://www.youtube.com/watch?v=8sd99RJeYSk)
* [Written version of tutorial: How to Build Ionic 4 Apps with Chart.js](https://devdactic.com/ionic-4-chartjs/)
* [Github repo: antoinevulcain/Financial-Modeling-Prep-API](https://github.com/antoinevulcain/Financial-Modeling-Prep-API)
* [JavaScript Array reverse() Method](https://www.w3schools.com/jsref/jsref_reverse.asp)
## :file_folder: License
* This project is licensed under the terms of the MIT license.
## :envelope: Contact
* Repo created by [ABateman](https://github.com/AndrewJBateman), email: [email protected]