add Ox.api, to apify and array
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rlx
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1 changed files with 171 additions and 1 deletions
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@ -1,5 +1,175 @@
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'use strict';
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/*@
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Ox.api <f> Turns an array into a list API
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(items) -> <f> List API
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(items, keys) -> <f> List API
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items <[o]> An array of objects
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keys <[s]> Array of keys to be included in totals
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<script>
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Ox.test.api = Ox.api([
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{id: 'foo', n: 2},
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{id: 'bar', n: 2},
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{id: 'baz', n: 1}
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], ['n']);
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Ox.test.apiResults = {
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0: Ox.test.api(),
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1: Ox.test.api({
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keys: []
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}),
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2: Ox.test.api({
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keys: ['id'],
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sort: ['-n', '+id']
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}),
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3: Ox.test.api({
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keys: [],
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query: {
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conditions: [
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{key: 'id', value: 'f', operator: '!^'},
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{key: 'n', value: 1, operator: '>'}
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],
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operator: '&'
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}
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}),
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4: Ox.test.api({
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keys: [],
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query: {
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conditions: [
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{key: 'id', value: 'O', operator: '='},
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{key: 'n', value: [1, 2], operator: '='}
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],
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operator: '|'
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},
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sort: ['+id']
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}),
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5: Ox.test.api({
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keys: [],
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query: {
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conditions: [
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{key: 'id', value: 'f', operator: '='},
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{
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conditions: [
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{key: 'id', value: 'a', operator: '='},
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{key: 'id', value: 'z', operator: '='}
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],
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operator: '&'
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}
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],
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operator: '|'
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},
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sort: ['+id']
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}),
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6: Ox.test.api({
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keys: [],
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range: [1, 2],
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sort: ['+id']
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})
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};
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</script>
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> Ox.test.apiResults[0].data
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{items: 3, n: 5}
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> Ox.test.apiResults[1].data
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{items: [{id: 'foo', n: 2}, {id: 'bar', n: 2}, {id: 'baz', n: 1}]}
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> Ox.test.apiResults[2].data
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{items: [{id: 'bar'}, {id: 'foo'}, {id: 'baz'}]}
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> Ox.test.apiResults[3].data
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{items: [{id: 'bar', n: 2}]}
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> Ox.test.apiResults[4].data
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{items: [{id: 'baz', n: 1}, {id: 'foo', n: 2}]}
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> Ox.test.apiResults[5].data
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{items: [{id: 'baz', n: 1}, {id: 'foo', n: 2}]}
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> Ox.test.apiResults[6].data
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{items: [{id: 'baz', n: 1}]}
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@*/
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Ox.api = function(items, keys) {
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keys = keys || [];
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function testCondition(item, condition) {
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var key = condition.key,
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operator = condition.operator.replace('!', ''),
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value = condition.value,
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not = condition.operator[0] == '!',
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itemValue = item[key],
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test = {
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'=': function(a, b) {
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return Ox.isArray(b) ? a >= b[0] && a < b[1]
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: Ox.isString(a) ? a.indexOf(b) > -1
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: a === b;
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},
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'==': function(a, b) { return a === b; },
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'<': function(a, b) { return a < b; },
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'>': function(a, b) { return a > b; },
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'<=': function(a, b) { return a <= b; },
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'>=': function(a, b) { return a >= b; },
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'^': function(a, b) { return Ox.starts(a, b); },
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'$': function(a, b) { return Ox.ends(a, b); },
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};
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if (Ox.isString(value)) {
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value = value.toLowerCase();
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}
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if (Ox.isString(itemValue)) {
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itemValue = itemValue.toLowerCase();
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}
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return test[operator](itemValue, value) == !not;
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}
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function testQuery(item, query) {
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var match = true;
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Ox.forEach(query.conditions, function(condition) {
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if (condition.conditions) {
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match = testQuery(item, condition);
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} else {
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match = testCondition(item, condition)
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}
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if (
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(query.operator == '&' && !match)
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|| (query.operator == '|' && match)
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) {
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return false;
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}
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});
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return match;
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}
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return function(options) {
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var data,
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result = {data: {}, status: {code: 200, text: 'ok'}};
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options = options || {};
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if (options.query) {
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result.data.items = items.filter(function(item) {
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return testQuery(item, options.query);
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});
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} else {
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result.data.items = Ox.clone(items);
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}
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if (options.keys) {
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if (options.sort) {
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result.data.items = Ox.sortBy(result.data.items, options.sort);
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}
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if (!Ox.isEmpty(options.keys)) {
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result.data.items = result.data.items.map(function(item) {
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var ret = {};
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options.keys.forEach(function(key) {
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ret[key] = item[key];
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});
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return ret;
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});
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}
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if (options.range) {
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result.data.items = Ox.sub(
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result.data.items, options.range[0], options.range[1]
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);
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}
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} else {
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data = {items: result.data.items.length};
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keys.forEach(function(key) {
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data[key] = Ox.sum(result.data.items.map(function(item) {
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return item[key];
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}));
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})
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result.data = data;
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}
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return result;
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};
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};
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/*@
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Ox.compact <f> Removes <code>null</code> or <code>undefined</code> values
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> Ox.compact([null,,1,,2,,3])
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@ -151,7 +321,7 @@ Ox.range = function() {
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var length = by.length, values = {};
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by = by.map(function(v) {
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return {
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key: v.replace(/^[\+\-]/g, ''),
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key: v.replace(/^[\+\-]/, ''),
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operator: v[0] == '-' ? '-' : '+'
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};
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});
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