from typing import Optional
from babel.numbers import format_currency, format_number
from django.template import loader
from shuup.utils.django_compat import force_text
from shuup.utils.i18n import get_current_babel_locale
from shuup.utils.numbers import parse_decimal_string
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class DashboardBlock:
type: Optional[str] = None
sort_order = 0
SIZES = ("small", "normal", "medium", "large", "full")
default_size = "normal"
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def __init__(self, id, size=None, color=None, sort_order=0):
self.id = id
if size not in self.SIZES: # pragma: no cover
size = self.default_size
self.size = size
self.color = color
self.sort_order = sort_order
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class DashboardContentBlock(DashboardBlock):
type = "normal"
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def __init__(self, id, content, size="normal"):
super().__init__(id=id, size=size)
self.content = content
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@classmethod
def by_rendering_template(cls, id, request, template_name, context):
content = loader.render_to_string(template_name=template_name, context=context, request=request)
return cls(id=id, content=content)
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class DashboardValueBlock(DashboardBlock):
type = "value"
default_size = "small"
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def __init__(self, id, value, title, **kwargs):
super().__init__(id=id, size="small")
self.value = value
self.title = title
self.color = kwargs.pop("color", None)
self.icon = kwargs.pop("icon", None)
self.subtitle = kwargs.pop("subtitle", None)
self.sort_order = kwargs.pop("sort_order", 0)
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class DashboardNumberBlock(DashboardValueBlock):
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def __init__(self, id, value, title, **kwargs):
value = parse_decimal_string(value)
if int(value) == value:
value = int(value)
value = format_number(value, locale=get_current_babel_locale())
super().__init__(id, value, title, **kwargs)
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class DashboardMoneyBlock(DashboardValueBlock):
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def __init__(self, id, value, title, currency, **kwargs):
self.currency = currency
value = parse_decimal_string(value)
value = format_currency(value, currency=self.currency, locale=get_current_babel_locale())
super().__init__(id, value, title, **kwargs)
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class DashboardChartBlock(DashboardBlock):
type = "chart"
default_size = "medium"
BLOCK_TEMPLATE = """
<div class="color-block block-purple">
<h2 class="block-title">%(title)s</h2>
<div class="block-content">
<canvas id="chart-%(id)s" height="250"></canvas>
</div>
</div>
<script>
window.CHART_CONFIGS = window.CHART_CONFIGS || {};
window.CHART_CONFIGS["%(id)s"] = %(config)s;
</script>
"""
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def get_chart(self):
"""
Get the actual chart instance for this block.
:return: The chart (or None, if it can't be rendered)
:rtype: shuup.admin.dashboard.charts.Chart|None
"""
return None
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def __init__(self, id, size="normal"):
super().__init__(id=id, size=size)
self.content = self._get_content()
def _get_content(self):
chart = self.get_chart()
if not chart:
return None
content = self.BLOCK_TEMPLATE % {
"title": force_text(chart.title),
"id": self.id,
"config": chart.get_config_json(),
"icon": "fa-line-chart",
}
return content