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Merge pull request #8 from grove-platform/metrics-reporting
Add a tool to write GitHub metrics to CSV
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‎github-metrics/package-lock.json‎

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‎github-reporting/README.md‎

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# GitHub Reporting
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This tool reads GitHub metrics stored in MongoDB Atlas (written by the [github-metrics](../github-metrics/README.md) tool) and exports them to
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CSV files for reporting to external stakeholders.
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## Overview
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The tool exports metrics to three separate CSV files for easy import into Google Sheets:
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- **summary.csv** - Core metrics per date/repo (clones, views, stars, forks, watchers)
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- **referrals.csv** - One row per referrer per date/repo
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- **top-paths.csv** - One row per path per date/repo
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The Date, Owner, and Repository columns in each file allow you to join/link data across sheets for analysis.
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## Prerequisites
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**Atlas**:
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- An Atlas Database User with read permissions for the **Developer Docs** -> **Project Metrics** project.
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- A valid connection string for the cluster above.
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Contact a member of the Developer Docs team to be added to this project and get the connection string.
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**System**:
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- Node.js/npm installed
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## Setup
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1. **Create a `.env` file**
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Create a `.env` file that contains the following:
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```
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ATLAS_CONNECTION_STRING="yourConnectionString"
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```
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Replace the placeholder value with your connection string.
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> Note: The `.env` file is in the `.gitignore`, so no worries about accidentally committing credentials.
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2. **Install the dependencies**
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From the root of the directory, run:
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```
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npm install
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```
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## Usage
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The tool supports two invocation methods: direct command-line arguments or a configuration file.
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### Method 1: Direct Command-Line Arguments
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Use the `export` command with options:
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```bash
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node --env-file=.env index.js export [options]
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```
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**Options:**
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| Option | Description |
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|--------|--------------------------------------------------------------------------------------------------|
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| `-s, --start-date <date>` | Start date for the report (ISO format, e.g., 2024-01-01) |
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| `-e, --end-date <date>` | End date for the report (ISO format, e.g., 2024-12-31) |
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| `-p, --projects <projects...>` | Space-separated list of owner/repo projects (e.g., mongodb/docs mongodb/sample-app-nodejs-mflix) |
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| `-o, --output <path>` | Output directory for CSV files |
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**Examples:**
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```bash
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# Export all metrics from all projects
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node --env-file=.env index.js export -o my-report
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# Export metrics for a specific date range
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node --env-file=.env index.js export -s 2024-01-01 -e 2024-12-31 -o q4-report
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# Export metrics for specific projects
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node --env-file=.env index.js export -p mongodb/docs mongodb/docs-notebooks -o docs-report
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# Combine all options
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node --env-file=.env index.js export -s 2024-01-01 -e 2024-03-31 -p mongodb/docs -o q1-docs-report
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```
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### Method 2: Configuration File
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Use the `export-config` command with a JSON configuration file:
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```bash
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node --env-file=.env index.js export-config <config-file> [options]
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```
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**Options:**
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| Option | Description |
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|--------|-------------|
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| `-o, --output <path>` | Output directory for CSV files (overrides config file) |
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**Example configuration file (`config.json`):**
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```json
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{
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"startDate": "2025-01-01",
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"endDate": "2025-12-31",
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"projects": [
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{ "owner": "mongodb", "repo": "docs" },
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{ "owner": "mongodb", "repo": "docs-notebooks" }
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],
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"output": "annual-report"
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}
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```
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**Run with config file:**
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```bash
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node --env-file=.env index.js export-config config.json
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```
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**Override output directory:**
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```bash
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node --env-file=.env index.js export-config config.json -o different-output
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```
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## Output
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The tool creates a directory containing three CSV files:
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```
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my-report/
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├── summary.csv
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├── referrals.csv
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└── top-paths.csv
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```
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### summary.csv
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| Column | Description |
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|--------|-------------------------------------------------|
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| Date | ISO timestamp of when metrics were collected |
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| Owner | GitHub organization/owner |
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| Repository | Repository name |
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| Clones | Number of clones in the last 14 days |
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| Page Views | Total page views in the last 14 days |
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| Unique Views | Unique visitors in the last 14 days |
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| Stars | Star count (cumulative total, current count) |
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| Forks | Fork count (cumulative total, current count) |
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| Watchers | Watcher count (cumulative total, current count) |
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### referrals.csv
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| Column | Description |
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|--------|-------------|
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| Date | ISO timestamp of when metrics were collected |
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| Owner | GitHub organization/owner |
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| Repository | Repository name |
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| Referrer | Traffic source (e.g., google.com, github.com) |
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| Count | Total visits from this referrer |
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| Uniques | Unique visitors from this referrer |
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### top-paths.csv
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| Column | Description |
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|--------|-------------|
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| Date | ISO timestamp of when metrics were collected |
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| Owner | GitHub organization/owner |
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| Repository | Repository name |
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| Path | Path within the repository |
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| Count | Total visits to this path |
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| Uniques | Unique visitors to this path |
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## Importing to Google Sheets
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1. Create a new Google Sheet
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2. Go to **File** → **Import**
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3. Upload each CSV file as a separate sheet
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4. Use the Date, Owner, and Repository columns to create relationships between sheets using VLOOKUP or pivot tables

‎github-reporting/config.json.example‎

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{
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"startDate": "2026-01-01",
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"endDate": "2026-01-13",
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"projects": [
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{ "owner": "mongodb", "repo": "sample-app-java-mflix" },
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{ "owner": "mongodb", "repo": "sample-app-nodejs-mflix" },
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{ "owner": "mongodb", "repo": "sample-app-python-mflix" }
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],
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"output": "output"
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}

‎github-reporting/index.js‎

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#!/usr/bin/env node
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import { Command } from 'commander';
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import { readFileSync } from 'fs';
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import { readMetricsFromAtlas } from './read-from-db.js';
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import { writeMetricsToCsv, generateOutputDir } from './write-csv.js';
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const program = new Command();
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program
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.name('github-reporting')
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.description('Read GitHub metrics from MongoDB Atlas and export to CSV')
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.version('1.0.0');
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// Direct invocation with command-line arguments
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program
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.command('export')
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.description('Export metrics to CSV using command-line arguments')
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.option('-s, --start-date <date>', 'Start date for the report (ISO format, e.g., 2024-01-01)')
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.option('-e, --end-date <date>', 'End date for the report (ISO format, e.g., 2024-12-31)')
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.option('-p, --projects <projects...>', 'List of owner/repo projects (e.g., mongodb/docs realm/realm-js)')
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.option('-o, --output <path>', 'Output directory for CSV files')
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.action(async (options) => {
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try {
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const dateRange = buildDateRange(options.startDate, options.endDate);
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const projects = parseProjects(options.projects);
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const outputDir = options.output || generateOutputDir(dateRange);
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console.log('Fetching metrics from MongoDB Atlas...');
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if (dateRange.startDate || dateRange.endDate) {
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console.log(`Date range: ${dateRange.startDate || 'beginning'} to ${dateRange.endDate || 'now'}`);
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}
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if (projects.length > 0) {
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console.log(`Projects: ${projects.map(p => `${p.owner}/${p.repo}`).join(', ')}`);
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} else {
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console.log('Projects: all');
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}
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const metrics = await readMetricsFromAtlas(dateRange, projects);
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await writeMetricsToCsv(metrics, outputDir);
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} catch (error) {
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console.error('Error:', error.message);
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process.exit(1);
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}
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});
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// Config file invocation
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program
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.command('export-config')
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.description('Export metrics to CSV using a configuration file')
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.argument('<config-file>', 'Path to JSON configuration file')
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.option('-o, --output <path>', 'Output directory for CSV files (overrides config file)')
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.action(async (configFile, options) => {
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try {
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const config = loadConfig(configFile);
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const dateRange = buildDateRange(config.startDate, config.endDate);
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const projects = config.projects || [];
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const outputDir = options.output || config.output || generateOutputDir(dateRange);
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console.log('Fetching metrics from MongoDB Atlas...');
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if (dateRange.startDate || dateRange.endDate) {
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console.log(`Date range: ${dateRange.startDate || 'beginning'} to ${dateRange.endDate || 'now'}`);
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}
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if (projects.length > 0) {
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console.log(`Projects: ${projects.map(p => `${p.owner}/${p.repo}`).join(', ')}`);
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} else {
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console.log('Projects: all');
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}
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const metrics = await readMetricsFromAtlas(dateRange, projects);
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await writeMetricsToCsv(metrics, outputDir);
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} catch (error) {
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console.error('Error:', error.message);
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process.exit(1);
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}
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});
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/**
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* Build a date range object from start and end date strings.
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*/
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function buildDateRange(startDate, endDate) {
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const dateRange = {};
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if (startDate) {
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dateRange.startDate = startDate;
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}
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if (endDate) {
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dateRange.endDate = endDate;
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}
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return dateRange;
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}
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/**
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* Parse project strings (owner/repo format) into project objects.
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*/
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function parseProjects(projectStrings) {
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if (!projectStrings || projectStrings.length === 0) {
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return [];
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}
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return projectStrings.map(projectStr => {
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const parts = projectStr.split('/');
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if (parts.length !== 2) {
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throw new Error(`Invalid project format: "${projectStr}". Expected format: owner/repo`);
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}
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return { owner: parts[0], repo: parts[1] };
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});
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}
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/**
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* Load and parse a JSON configuration file.
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*/
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function loadConfig(configPath) {
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try {
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const content = readFileSync(configPath, 'utf-8');
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return JSON.parse(content);
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} catch (error) {
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if (error.code === 'ENOENT') {
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throw new Error(`Configuration file not found: ${configPath}`);
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}
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if (error instanceof SyntaxError) {
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throw new Error(`Invalid JSON in configuration file: ${error.message}`);
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}
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throw error;
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}
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}
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program.parse();

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