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Communication between components

Asia K edited this page Apr 20, 2023 · 1 revision

In a web application like FloralFlow, communication between components is essential for a seamless user experience. The main components – client, server, and database – need to exchange data and work together to fulfill user requests. Here's how communication takes place between these components:

  1. Client-Server Communication

The communication between the client and server mainly occurs through HTTP requests and responses. This process typically follows the steps below:

a. The client initiates a request: When a user interacts with the application (e.g., logging in, adding an inventory item), the client sends an HTTP request to the server. The request may include data such as user credentials, new item details, or any other relevant information.

b. The server processes the request: Upon receiving the request, the server processes it by validating the input data, performing necessary business logic, and interacting with the database if needed. The server might also check the user's authentication status to ensure they have the required permissions to access specific resources.

c. The server sends a response: After processing the request, the server sends an HTTP response back to the client. This response may include data (e.g., inventory items), a status message (e.g., success or failure), or any other relevant information.

d. The client processes the response: The client receives the response and processes it accordingly. For example, it may update the UI to display the retrieved data or show an error message if the request failed.

  1. Server-Database Communication

The communication between the server and database is essential for storing, retrieving, and manipulating data. This communication generally occurs through a database-specific protocol or API. In FloralFlow, Firebase is used as the database, and its SDK provides methods for interacting with the database. The process typically involves the following steps:

a. The server initiates a query: When the server needs to interact with the database (e.g., retrieving inventory data, adding a new item), it sends a query to the database using the Firebase SDK.

b. The database processes the query: Upon receiving the query, the database processes it by performing the requested operation, such as retrieving data, creating a new record, updating an existing record, or deleting a record.

c. The database sends a response: After processing the query, the database sends a response back to the server. This response may include the requested data, a status message (e.g., success or failure), or any other relevant information.

d. The server processes the response: The server receives the response and processes it accordingly. It may use the received data to build an HTTP response for the client, perform additional processing, or handle any errors that occurred during the database operation.

In summary, communication between the components of the FloralFlow web application is crucial for its proper functioning. The client communicates with the server through HTTP requests and responses, while the server communicates with the database using a database-specific protocol or API (e.g., Firebase SDK). This communication flow ensures that data is stored, retrieved, and manipulated as needed, allowing the application to provide a seamless user experience.