annotate hgscm/apps/www/models.py @ 78:8d25e34c21c2

templatetags: Add DownloadButton tag to display a download button according to operating system

This is somewhat a hacky way to do it, but it works, and we might redo it alter on.

from django.db import models
from django.utils import simplejson
from django.conf import settings
import os, re

def get_download(platform, version):
    '''get the download for the right version'''
    f = open(os.path.join(settings.MEDIA_ROOT, "downloads.json"))
    list = simplejson.load(f)
    f.close()
    latest = version == 'latest' or not version
    for entry in list:
        if (latest and entry['latest'] == 'true') or entry['version'] == version:
            for version in entry['versions']:
                if version['identifier'] == platform:
                    return version
def get_download_for_agent(agent, version):
    '''get the download for the right version'''
    f = open(os.path.join(settings.MEDIA_ROOT, "downloads.json"))
    list = simplejson.load(f)
    f.close()
    latest = version == 'latest' or not version
    for entry in list:
        if (latest and entry['latest'] == 'true') or entry['version'] == version:
            for version in entry['versions']:
                if re.search(version['system'], agent):
                    return version

def get_latest_version():
    '''return the latest available version'''
    f = open(os.path.join(settings.MEDIA_ROOT, "downloads.json"))
    list = simplejson.load(f)
    f.close()
    for entry in list:
        if entry['latest'] == 'true':
            return entry['version']