AM05 Workshop 2 - Data acquisition from Spotify API

AM05 Workshop 2 - Data acquisition from Spotify API

AM05 Workshop 2 - Data acquisition from Spotify API

Overview In this workshop, you will learn how to:

1. Create a Spotify App: Obtain the necessary credentials to access theSpotify API.

2. Request an Access Token: Authenticate your app to interact with the API.
3. Request Artist Data: Fetch data for the UK's top 10 chart artists and theirsongs.

4. Store Data in an SQL Database: Design a simple database schema andinsert the retrieved data.

Prerequisites:

Basic understanding of R programming.R and RStudio installed on your computer.nternet access.A Spotify account (free account is sufficient).No prior experience with APIs is required.Optional: An SQL database system installed (e.g., MySQL, SQLite).AM05 Workshop 2 - Data acquisition from Spotify API2

Table of Contents

Part 1: Setting Up Your Spotify Developer Account

Step 1: Create a Spotify Account

Step 2: Create a Spotify App

Part 2: Authenticating and Obtaining an Access Token

Step 1: Install Required R Packages

Step 2: Set Up Authentication Credentials

Step 3: Obtain an Access Token

Part 3: Fetching Artist and Track Data

Step 1: Identify the UK's Top 10 Chart Artists

Step 2: Retrieve Artist Data

Step 3: Retrieve Tracks for Each Artist

Part 4: Designing and Populating the SQL Database

Step 1: Define the Database Schema

Step 2: Connect to the SQL Database from R

Step 3: Create Tables in the Database

Step 4: Insert Data into the Database

Conclusion

Appendix: Additional Resources

Part 1: Setting Up Your Spotify Developer Account

Step 1: Create a Free Spotify Account

If you don't already have a Spotify account:

1. Go to Spotify Sign Up.
2. Follow the instructions to create a free account.

Step 2: Create a Spotify App

1. Navigate to the Spotify for Developers Dashboard.AM05 Workshop 2 - Data acquisition from Spotify API3

2. Log in with your Spotify account credentials.
3. Click on "Create an App".Provide an App Name and App Description (e.g., "AM05 workshop").Accept the Terms of Service and click "Create".

4. Your app will be created, and you'll be redirected to the app's dashboard.

Important:

Client ID and Client Secret:

On your app dashboard, you will see your Client ID.

Click on "Show Client Secret" to view your Client Secret.

Keep these credentials secure. Do not share them publicly or committhem to version control systems like GitHub.

Part 2: Authenticating and Obtaining an Access

TokTo interact with the Spotify API, you need to authenticate your app and obtainan access token.

Step 1: Set Up Authentication  代 写AM05 Workshop 2 - Data acquisition from Spotify API Credentials Create a file named.Renvironin your R project directory to store yourcredentials securely.

1. In RStudio, go to File > New File > Text File.
2. Add the following lines, replacing placeholders with your actual credentials:SPOTIFY_CLIENT_ID='your_client_id_here'SPOTIFY_CLIENT_SECRET='your_client_secret_here'

3. Save the file as

.Renvironin your project directory.

Note: The

Data Privacy: Do not share personal or sensitive data. The data retrieved is

publicly available information about artists and tracks.Security: Keep your Client ID and Client Secret secure. Do not share themor include them in publicly accessible code repositories.

Frequently Asked Questions

Q1: I get an error saying "Failed to retrieve access token". What should I do?

A: Check that your Client ID and Client Secret are correctly set in the.Renvironfile. Ensure there are no extra spaces or missing quotes.

Q2: The artist_data

or track_data

data frames are empty. Why?

A: This could happen if the artist names are not found in the Spotifydatabase. Ensure the artist names are correctly spelled. Also, check if theaccess token is valid.AM05 Workshop 2 - Data acquisition from Spotify API13

Q3: How can I view the data stored in the SQLite database?

A: You can use SQL queries within R using

dbGetQuery

. For example:

# Get all artists

artists <- dbGetQuery(con, "SELECT * FROM artists")

# Get all tracks

tracks <- dbGetQuery(con, "SELECT * FROM tracks")Alternatively, you can use a database browser tool like DB Browser forSQLite to view the database file.

Q4: Can I use a different SQL database system?

A: Yes. You can use other databases like MySQL or PostgreSQL. You'll needto install the appropriate R packages (RMySQL

RPostgres

) and adjust theconnection parameters accordingly.

Additional Exercises To deepen your understanding, consider the following exercises:

1. Data Analysis: Use SQL queries to find the most popular track among thetop artists.

2. Data Visualization: Create plots showing the popularity distribution oftracks or the number of followers per artist.

3. Extended Data Retrieval:Fetch additional data such as album details or audio features of tracks.Update the database schema to accommodate the new data.

4. Error Handling:Improve the robustness of your functions by adding morecomprehensive error handling and logging.AM05 Workshop 2 - Data acquisition from Spotify API14