| ID | Requirement | Description |
|---|---|---|
| FR-01 | Credential Loading | The library must allow users to authenticate using a Google Cloud service account JSON file. |
| FR-02 | Collection Retrieval | The library must retrieve all documents from a specified Firestore collection. |
| FR3-03 | Document Conversion | Retrieved Firestore documents must be converted into Python dictionaries. |
| FR3-04 | DataFrame Output | The library must provide a method to convert Firestore data into a pandas DataFrame. |
| FR3-05 | Error Handling | The system must raise user-friendly, custom exceptions for credential errors, connection issues, or invalid input. |
| FR3-06 | Input Validation | The library must validate required parameters. |
| FR3-07 | Example Usage Code | The project must include example scripts demonstrating typical usage patterns. |
| FR3-08 | Efficient Data Fetching | The library must support a high-level functions that return Firestore data with minimal amount of calls. |
| ID | Requirement | Description |
|---|---|---|
| NFR-01 | Programming Language | Library will be written in Python programming language. |
| NFR-02 | Code Quality | The library must follow Python best practices, clean code standards, and type annotations. |
| NFR-03 | Python Version Compatibility | The library must support Python 3.9+ or higher. |
| NFR-04 | Performance Efficiency | Data retrieval and conversion must perform efficiently for small-to-medium datasets. |
| NFR-05 | Usability & Simplicity | The library must be intuitive, minimal, and easy for developers to integrate. |
| NFR-06 | Maintainability | Code must be modular, well-documented, and easy to extend or refactor. |
| NFR-07 | Security | Sensitive credentials must not be stored internally; the library must handle only user-provided file paths. |
| NFR-08 | Reliability | The library must be able to connect to Firestore as long as credentials and network conditions are valid. |
| NFR-09 | Dependency Stability | Official Google Cloud libraries must be used in the library to minimize breaking changes. |
| NFR-10 | Test Coverage | Core components must be covered by unit tests to ensure reliability. |
| NFR-11 | Documentation Quality | All functions, modules, and usage examples must be clearly documented. |
| NFR-12 | Portability | The library must run on Windows operating systems. |
| NFR-13 | Minimal External Requirements | The library must function with only the required dependencies, without any external libraries. |