TradeGecko Headless CLI

Headless TradeGecko interaction CLI for those without API access or for automating calls not yet published in the TradeGecko API Reference.

Install

npm install --global tradegecko-headless

If you receive the error ERROR: Failed to download Chromium, please see the NPM article on preventing premission errors.

Given that a Chrome headless instance will need to be launched, it is advised that a local install be used if permission issues exist.

Usage

The following usage examples should be read sequentially as it references results from previous commands.

It is also recommended that all result files be viewed or manipulated with jq.

Command pattern

To use the CLI, identify the command you want to execute and provide any parameters and options.

tgcli [command] [options]

To see the full list of commands, execute

tgcli --help

Set username and password

Username and password can be provided as environment variables or as parameters. It is recommended that environment variables be used.

export TG_USERNAME="foo@example.com"
export TG_PASSWORD="bar"

Download a list of resources

Download 2nd and 3rd oldest variants resource, keeping only fields id and created_at and save them to file variants.json

tgcli tg:resource-list:download variants variants.json --limit=2 --offset=1 --fields=id,created_at

Sample output

Signing in ...
Getting variants count ...
Getting variants ...
 ████████████████████████████████████████ 100% | ETA: 0s | 2/2
Saving variants to file ...
Done

Sample output file contents

[{"id":1,"created_at":"2017-01-11T11:00:00.000Z"},{"id":2,"created_at":"2017-01-11T12:00:00.000Z"}]

Perform fetch actions on a JSON object list

Make a fetch call using variants.json and output results to fetched-variants.json. The fetch call should make a GET call to get the variant by id.

tgcli tg:resource-list:fetch variants.json fetched-variants.json GET "variants/{{id}}"

Sample output

Signing in ...
Performing fetches ...
 ████████████████████████████████████████ 100% | ETA: 0s | 2/2
Saving responses to file ...
Done

Sample output file contents

Plese note the following outputs have been shortended for readability.

[{"variant":{"id":1,"created_at":"2017-01-11T11:00:00.000Z","updated_at":"...","committed_stock_levels":{}}},{"variant":{"id":2,"created_at":"2017-01-11T12:00:00.000Z","updated_at":"...","committed_stock_levels":{}}}]

Commands

For a full list of commands, execute the program with --help. All commands should be prefixed with tgcli.

Command	Description
tg:resource-list:download [resource] [file]	Download a list of a given resource
tg:resource-list:fetch [listFile] [responsesFile] [method] [endpoint]	Perform fetch action on each record of a provided resource list JSON file
tg:resource:count [resource]	Get the total records of a given resource
tg:ajax:fetch [method] [endpoint]	Perform a fetch call against the TradeGecko AJAX API, see the MDN entry for Fetch API for details

Known TradeGecko resources

The following list of resources were obtained by observing Chrome debugger XHR activity for connections related to https://go.tradegecko.com/ajax

• channels
• products
• variants

Although not fully tested, most resources listed in the TradeGecko API Reference should be available as well.

Built with

• Puppeteer for headless Chrome interaction
• yargs for CLI
• cli-progress for progress bars
• mustache for parameter templates