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Describe negated search terms correctly. 

This changes Filter.describe and Filter.operator_to_prefix
to handle negated terms correctly.

(imported from commit 673c0d3a5a77784e95772c14e12534ad2daecda2)
This commit is contained in:
Steve Howell 2014-02-13 18:06:50 -05:00
parent 8611cc3977
commit 8ce5404777
2 changed files with 31 additions and 6 deletions
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16
static/js/filter.js
View File

@ -357,14 +357,14 @@ Filter.prototype = {
}
};
Filter.operator_to_prefix = function (operator) {
Filter.operator_to_prefix = function (operator, negated) {
var verb;
if (operator === 'search') {
return 'Search for';
return negated ? 'Exclude' : 'Search for';
}
verb = 'Narrow to ';
verb = negated ? 'Exclude ' : 'Narrow to ';
switch (operator) {
case 'stream':
@ -400,7 +400,11 @@ Filter.describe = function (operators) {
var parts = [];
if (operators.length >= 2) {
if (operators[0].operator === 'stream' && operators[1].operator === 'topic') {
var is = function (term, expected) {
return (term.operator === expected) && !term.negated;
};
if (is(operators[0], 'stream') && is(operators[1], 'topic')) {
var stream = operators[0].operand;
var topic = operators[1].operand;
var part = 'Narrow to ' + stream + ' > ' + topic;
@ -413,7 +417,7 @@ Filter.describe = function (operators) {
var operand = elem.operand;
var canonicalized_operator = Filter.canonicalize_operator(elem.operator);
if (canonicalized_operator ==='is') {
var verb = 'Narrow to ';
var verb = elem.negated ? 'Exclude ' : 'Narrow to ';
if (operand === 'private') {
return verb + 'all private messages';
} else if (operand === 'starred') {
@ -424,7 +428,7 @@ Filter.describe = function (operators) {
return verb + 'alerted messages';
}
} else {
var prefix_for_operator = Filter.operator_to_prefix(canonicalized_operator);
var prefix_for_operator = Filter.operator_to_prefix(canonicalized_operator, elem.negated);
if (prefix_for_operator !== '') {
return prefix_for_operator + ' ' + operand;
}

21
zerver/tests/frontend/node/filter.js
View File

@ -373,5 +373,26 @@ function get_predicate(operators) {
string = 'Narrow to all private messages, Search for lunch';
assert.equal(Filter.describe(narrow), string);
narrow = [
{operator: 'stream', operand: 'devel'},
{operator: 'topic', operand: 'JS', negated: true}
];
string = 'Narrow to stream devel, Exclude topic JS';
assert.equal(Filter.describe(narrow), string);
narrow = [
{operator: 'is', operand: 'private'},
{operator: 'search', operand: 'lunch', negated: true}
];
string = 'Narrow to all private messages, Exclude lunch';
assert.equal(Filter.describe(narrow), string);
narrow = [
{operator: 'stream', operand: 'devel'},
{operator: 'is', operand: 'starred', negated: true}
];
string = 'Narrow to stream devel, Exclude starred messages';
assert.equal(Filter.describe(narrow), string);
}());