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PARAM_NEXT = 'next'
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PARAMETER_METHOD = 'method'
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PARAMETER_CURRENT_PAGE = 'current_page'
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PARAMETER_PAGINATOR = 'paginator'
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PARAMETER_PREV_LINK = 'prev_page_link'
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PARAMETER_NEXT_LINK = 'next_page_link'
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class DispatcherMixin:
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"""
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This class contains a dispather method that can run a method specified by
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'method' request parameter.
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"""
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def __init__(self):
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self.user = None
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def dispatch_method(self, *args, **kwargs):
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request = args[0]
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self.user = request.user
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method_name = None
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if PARAMETER_METHOD in request.GET:
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method_name = request.GET[PARAMETER_METHOD]
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elif PARAMETER_METHOD in request.POST:
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method_name = request.POST[PARAMETER_METHOD]
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if method_name:
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return getattr(self, method_name)(*args, **kwargs)
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class PaginatedMixin:
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def get_page_context(self, paginator, page):
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"""
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|
Get pagination context variables
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"""
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params = {}
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params[PARAMETER_PAGINATOR] = paginator
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current_page = paginator.page(int(page))
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params[PARAMETER_CURRENT_PAGE] = current_page
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if current_page.has_previous():
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params[PARAMETER_PREV_LINK] = paginator.get_page_url(
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current_page.previous_page_number())
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if current_page.has_next():
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params[PARAMETER_NEXT_LINK] = paginator.get_page_url(
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current_page.next_page_number())
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return params
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|
