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refactor: Extract finalize_results. 

This has a few benefits:

    - we remove some duplicate code
    - we can see finalize_results in profiles

It turns out finalize_results is expensive
for some searches. If the search itself doesn't
do a ton of work but returns a lot of results,
we see it in finalize_results.  It brings to
attention that we should be truncating items
earlier instead of doing lots of unnecessary
work.
This commit is contained in:
Steve Howell 2019-12-25 14:36:51 +00:00 committed by Tim Abbott
parent 4141abc171
commit 09326cb467
1 changed files with 16 additions and 30 deletions
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46
static/js/search_suggestion.js
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@ -565,12 +565,7 @@ function attach_suggestions(result, base, suggestions) {
});
}
exports.get_suggestions = function (base_query, query) {
// This method works in tandem with the typeahead library to generate
// search suggestions. If you want to change its behavior, be sure to update
// the tests. Its API is partly shaped by the typeahead library, which wants
// us to give it strings only, but we also need to return our caller a hash
// with information for subsequent callbacks.
exports.get_search_result = function (base_query, query) {
let result = [];
let suggestion;
let suggestions;
@ -682,32 +677,10 @@ exports.get_suggestions = function (base_query, query) {
attach_suggestions(result, base, suggestions);
result = result.concat(suggestions);
_.each(result, function (sug) {
const first = sug.description.charAt(0).toUpperCase();
sug.description = first + sug.description.slice(1);
});
// Typeahead expects us to give it strings, not objects, so we maintain our own hash
// back to our objects, and we also filter duplicates here.
const lookup_table = {};
const unique_suggestions = [];
_.each(result, function (obj) {
if (!lookup_table[obj.search_string]) {
lookup_table[obj.search_string] = obj;
unique_suggestions.push(obj);
}
});
const strings = _.map(unique_suggestions, function (obj) {
return obj.search_string;
});
return {
strings: strings,
lookup_table: lookup_table,
};
return result;
};
exports.get_suggestions_legacy = function (query) {
exports.get_search_result_legacy = function (query) {
// This method works in tandem with the typeahead library to generate
// search suggestions. If you want to change its behavior, be sure to update
// the tests. Its API is partly shaped by the typeahead library, which wants
@ -805,7 +778,20 @@ exports.get_suggestions_legacy = function (query) {
suggestions = get_operator_subset_suggestions(operators);
result = result.concat(suggestions);
return result;
};
exports.get_suggestions_legacy = function (query) {
const result = exports.get_search_result_legacy(query);
return exports.finalize_search_result(result);
};
exports.get_suggestions = function (base_query, query) {
const result = exports.get_search_result(base_query, query);
return exports.finalize_search_result(result);
};
exports.finalize_search_result = function (result) {
_.each(result, function (sug) {
const first = sug.description.charAt(0).toUpperCase();
sug.description = first + sug.description.slice(1);