API for counting jobs on a queue by status

[sylvinus]

As suggested by @mark-99 here:
#98 (comment)

[mark-99]

How would I get the numbers of workers for a given queue? This seems to work globally, but need per-queue:

def get_num_workers():
return mrq.context.connections.mongodb_jobs.mrq_workers.count({"status": {"$ne": "stop"}})

[mark-99]

Here are some code snippets of similar utility functions:

def get_queue_count(queue_name, status_list):
return mrq.context.connections.mongodb_jobs.mrq_jobs.count({"status": {"$in": status_list}, "queue": queue_name})

def get_active_count(queue_name):
return get_queue_count(queue_name, ["started", "queued"])

def get_num_workers(queue_name):
return mrq.context.connections.mongodb_jobs.mrq_workers.count({"status": {"$ne": "stop"}, "config.queues": queue_name})

def get_num_stopped_workers(queue_name):
return mrq.context.connections.mongodb_jobs.mrq_workers.count({"status": "stop", "config.queues": queue_name})