refactor: update API and improves data retrieval.

.github/dependabot.yml

@@ -0,0 +1,15 @@
+version: 2
+updates:
+  - package-ecosystem: "docker"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 99
+  - package-ecosystem: "pip"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 99
+    allow:
+      - dependency-type: "direct"
+      - dependency-type: "indirect"

.github/workflows/staging-deploy.yml

@@ -0,0 +1,55 @@
+name: Staging Server Build Pipeline
+
+on:
+  push:
+    branches:
+      - staging
+
+jobs:
+  deploy:
+    name: Deploy to Staging Server
+    runs-on: ubuntu-latest
+    environment:
+      name: staging
+    steps:
+      - name: Execute Remote SSH Commands
+        uses: appleboy/ssh-action@master
+        with:
+          host: ${{ secrets.HOST }}
+          username: ${{ secrets.USERNAME }}
+          key: ${{ secrets.KEY }}
+          script: |
+            set -e
+
+            echo "============================"
+            echo "Updating repository ..."
+            echo "============================"
+            if ! assembler clone --branch staging --project telemetry_aggregator; then
+              echo "❌ Error updating repository!"
+              exit 1
+            fi
+            echo "==============================="
+            echo "✅ Repository update complete"
+            echo "==============================="
+
+            echo "========================="
+            echo "Building project ..."
+            echo "========================="
+            if ! assembler deploy --project telemetry_aggregator; then
+              echo "❌ Error building project!"
+              exit 1
+            fi
+            echo "==========================="
+            echo "✅ Project build complete"
+            echo "==========================="
+
+            echo "============================="
+            echo "Cleaning up staging builds ..."
+            echo "============================="
+            if ! ${{ secrets.CLEANUP_CMD }}; then
+              echo "❌ Error cleaning up builds!"
+              exit 1
+            fi
+            echo "============================="
+            echo "✅ Cleanup complete"
+            echo "============================="

README.md

@@ -1,2 +1,21 @@
-# RelaySMS-Telemetry-Aggregator
+# RelaySMS Telemetry Aggregator
+
 Collects, analyzes, and exposes RelaySMS usage data via a unified API for transparent telemetry insights.
+
+## References
+
+4. [REST API V1 Resources](https://api.telemetry.smswithoutborders.com/docs)
+
+## Contributing
+
+To contribute:
+
+1. Fork the repository.
+2. Create a feature branch: `git checkout -b feature-branch`.
+3. Commit your changes: `git commit -m 'Add a new feature'`.
+4. Push to the branch: `git push origin feature-branch`.
+5. Open a Pull Request.
+
+## License
+
+This project is licensed under the GNU General Public License (GPL). See the [LICENSE](LICENSE) file for details.

api_data_schemas.py

@@ -0,0 +1,128 @@
+"""
+This program is free software: you can redistribute it under the terms
+of the GNU General Public License, v. 3.0. If a copy of the GNU General
+Public License was not distributed with this file, see <https://www.gnu.org/licenses/>.
+"""
+
+from typing import Literal, List, Union
+from pydantic import BaseModel, Field
+from fastapi import Query
+
+
+class SummaryDetails(BaseModel):
+    """Details of the summary metrics."""
+
+    total_signup_users: int
+    total_retained_users: int
+
+
+class SummaryParams(BaseModel):
+    """Parameters for filtering and grouping summary metrics."""
+
+    start_date: str = Field(description="Start date in 'YYYY-MM-DD' format.")
+    end_date: str = Field(description="End date in 'YYYY-MM-DD' format.")
+    country_code: str = Field(
+        default=None, description="2-character ISO region code.", max_length=2
+    )
+
+
+class SummaryResponse(BaseModel):
+    """Response model containing summary metrics."""
+
+    summary: SummaryDetails
+
+
+class MetricsParams(BaseModel):
+    """Parameters for filtering and grouping metrics."""
+
+    start_date: str = Field(description="Start date in 'YYYY-MM-DD' format.")
+    end_date: str = Field(description="End date in 'YYYY-MM-DD' format.")
+    country_code: str = Field(
+        default=None, description="2-character ISO region code.", max_length=2
+    )
+    granularity: Literal["day", "month"] = Field(
+        default="day", description="Granularity of data."
+    )
+    group_by: Literal["country", "date"] = Field(
+        default="date", description="Criteria to group results."
+    )
+    top: int = Field(
+        default=None,
+        description="Maximum number of results to return. "
+        "(cannot be used with 'page' or 'page_size')",
+    )
+    page: int = Query(default=1, ge=1, description="Page number for paginated results.")
+    page_size: int = Query(
+        default=10, ge=10, le=100, description="Number of records per page."
+    )
+
+
+class PaginationDetails(BaseModel):
+    """Pagination details for paginated responses."""
+
+    page: int
+    page_size: int
+    total_pages: int
+    total_records: int
+
+
+class CountrySignupData(BaseModel):
+    """Signup data grouped by country."""
+
+    country_code: str
+    signup_users: int
+
+
+class TimeframeSignupData(BaseModel):
+    """Signup data grouped by timeframe."""
+
+    timeframe: str
+    signup_users: int
+
+
+class SignupDetails(BaseModel):
+    """Details of the signup metrics."""
+
+    total_signup_users: int
+    pagination: PaginationDetails
+    data: List[Union[CountrySignupData, TimeframeSignupData]]
+
+
+class SignupResponse(BaseModel):
+    """Response model containing signup metrics."""
+
+    signup: SignupDetails
+
+
+class CountryRetainedData(BaseModel):
+    """Retained data grouped by country."""
+
+    country_code: str
+    retained_users: int
+
+
+class TimeframeRetainedData(BaseModel):
+    """Retained data grouped by timeframe."""
+
+    timeframe: str
+    retained_users: int
+
+
+class RetainedDetails(BaseModel):
+    """Details of the retained metrics."""
+
+    total_retained_users: int
+    pagination: PaginationDetails
+    data: List[Union[CountryRetainedData, TimeframeRetainedData]]
+
+
+class RetainedResponse(BaseModel):
+    """Response model containing retained metrics."""
+
+    retained: RetainedDetails
+
+
+class ErrorResponse(BaseModel):
+    """Response model for errors."""
+
+    error: str