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Table of Contents
BluePrint: RESTful Search Methods
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S3Search implements both interactive and non-interactive search methods. Currently supported formats are:
There is a generic S3Search default instance connected to all resources, which will be used unless there is a resource-specific instance configured. However, this default instance does not provide any interactive search methods (JSON only).
To connect a custom
S3Search instance to a resource (in order to add interactive search methods), use
See the next paragraph for how to build and connect a custom S3Search instance for a resource.
Configuring Interactive search methods
For interactive search, a custom S3Find instance can be configured per resource, using instances of classes implementing the S3SearchWidget interface to create search forms.
Note: Since neither S3Find nor S3SearchWidgets actually contain any link to a particular resource, their instances can be re-used across multiple resources, as long as the search fields are the same.
Two interactive search forms can be configured (both of which are optional): simple and advanced, where the user can toggle between these forms (if both are defined).
# Use a variable to hold the S3Find instance hms_hospital_search = s3base.S3Find( # Simple search form as a tuple of widgets: simple=( # simple full-text search widget: s3base.S3SearchSimpleWidget( name="hospital_search_advanced", # widget name must be specified and unique in the form! label=T("Name and/or ID"), # Label for the search field comment=T("To search for a hospital, ..."), # Tooltip text for the search field field=["paho_uuid", # Names of fields to search in "gov_uuid", "name", "aka1", "aka2", ] ), # <-- note the comma! ), # Advanced search form as a tuple of widgets: advanced=( # simple full-text search widget: s3base.S3SearchSimpleWidget( name="hospital_search_advanced", label=T("Name, Org and/or ID"), comment=T("To search for a hospital, ..."), field=["paho_uuid", "gov_uuid", "name", "aka1", "aka2", "contact.name", # "." separator: search in component "organisation_id$name", # "$" separator: search in records referenced by organisation_id "organisation_id$acronym" ] ), # MinMax search widget to filter for a range of values: s3base.S3SearchMinMaxWidget( name="hospital_search_bedcount", method="range", # widget-specific attribute "method" label=T("Total Beds"), comment=T("Select a range for the ..."), field="total_beds" # most widgets only support one search field ) )) # Set as standard search method for this resource s3xrc.model.configure(db.hms_hospital, search_method=hms_hospital_search)
simple form usually consists of a
S3SearchSimpleWidget which performs a simple full-text search through various fields of the resource. However, the
simple form may also be configured with other search widgets. In the same manner, the
advanced form can include the
When calling the
search method, the
simple form will be opened first, while the
advanced form is hidden (if only the advanced form is defined, then it will of course not be hidden). By clicking the Advanced Search link below the form, the user can switch to the
advanced form, and vice versa. The forms are independent, i.e. the user can only submit one of them.