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Merge pull request #110 from basxsoftwareassociation/feature/defaults…
…earchforbrowseviews Added default generic search functionality to BrowseView
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| import django_countries | ||
| from django.db import models | ||
| from django.db.models import Q | ||
| from django_countries.fields import CountryField | ||
|
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| def get_char_text_qset(fields, searchquery, prefix): | ||
| char_text_fields = { | ||
| f | ||
| for f in fields | ||
| if isinstance(f, models.fields.CharField) | ||
| or isinstance(f, models.fields.TextField) | ||
| } | ||
|
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| return { | ||
| Q(**{prefix + "_".join((f.name, "_contains")): searchquery}) | ||
| for f in char_text_fields | ||
| } | ||
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| def get_country_qset(fields, searchquery, prefix): | ||
| countries = {name.lower(): code for code, name in django_countries.countries} | ||
| country_fields = {f for f in fields if isinstance(f, CountryField)} | ||
|
|
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| if not country_fields: | ||
| return set() | ||
|
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| match_countries = { | ||
| country_name for country_name in countries if searchquery in country_name | ||
| } | ||
|
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| return { | ||
| Q(**{prefix + f.name: countries[key]}) | ||
| for f in country_fields | ||
| for key in match_countries | ||
| } | ||
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| def get_field_queryset(fields, searchquery, prefix="", follow_relationships=1): | ||
| queryset = { | ||
| *get_char_text_qset(fields, searchquery, prefix), | ||
| *get_country_qset(fields, searchquery, prefix), | ||
| } | ||
|
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| qs = Q() | ||
| for query in queryset: | ||
| qs |= query | ||
|
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||
| if follow_relationships > 0: | ||
| foreignkey_fields = { | ||
| f | ||
| for f in fields | ||
| if isinstance(f, models.fields.related.ForeignKey) | ||
| or isinstance(f, models.fields.related.ManyToManyField) | ||
| } | ||
| for foreignkey_field in foreignkey_fields: | ||
| # skip fields with a name beginning with '_' | ||
| if foreignkey_field.name[0] == "_": | ||
| continue | ||
|
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| if foreignkey_field.related_model: | ||
| foreign_fields = foreignkey_field.related_model._meta.fields | ||
| else: | ||
| foreign_fields = foreignkey_field._meta.fields | ||
|
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| new_prefix = prefix + "__".join([foreignkey_field.name, ""]) | ||
| qs |= get_field_queryset( | ||
| foreign_fields, searchquery, new_prefix, follow_relationships - 1 | ||
| ) | ||
|
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||
| return qs |
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