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Commit4e7b7b8

Browse files
authored
feat: add aggregations to schema (#12)
1 parentb1b2865 commit4e7b7b8

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2 files changed

+216
-14
lines changed

2 files changed

+216
-14
lines changed

‎src/filter-query.php‎

Lines changed: 135 additions & 14 deletions
Original file line numberDiff line numberDiff line change
@@ -27,6 +27,118 @@ public function __construct() {
2727
*/
2828
publicfunctiondefine_public_hooks() {
2929
add_action('graphql_register_types', [$this,'extend_wp_graphql_fields' ] );
30+
add_action('graphql_register_types', [$this,'extend_wp_graphql_aggregation_fields' ] );
31+
}
32+
33+
/**
34+
* Define the objects for aggregates.
35+
*
36+
* @return void
37+
*/
38+
publicfunctionextend_wp_graphql_aggregation_fields() {
39+
register_graphql_object_type(
40+
'BucketItem',
41+
[
42+
'description' =>'aggregate',
43+
'fields' => [
44+
'key' => [
45+
'type' =>'String',
46+
],
47+
'count' => [
48+
'type' =>'Integer',
49+
],
50+
],
51+
]
52+
);
53+
54+
$post_types =$this->get_supported_post_types();
55+
56+
// iterate through all the supported models.
57+
foreach ($post_typesas$post_type ) {
58+
// pick out the aggregate fields this model.
59+
$fields = ['categories','tags' ];
60+
61+
// if none continue.
62+
if (count($fields ) <1 ) {
63+
continue;
64+
}
65+
66+
// next we are generating the aggregates block for each model.
67+
$aggregate_graphql = [];
68+
foreach ($fieldsas$field ) {
69+
$aggregate_graphql[$field ] = ['type' =>array('list_of' =>'BucketItem' ) ];
70+
}
71+
72+
// store object name in a variable to DRY up code.
73+
$aggregate_for_type_name ='AggregatesFor' .ucfirst($post_type );
74+
75+
// finally, register the type.
76+
register_graphql_object_type(
77+
$aggregate_for_type_name,
78+
[
79+
'description' =>'aggregate',
80+
'fields' =>$aggregate_graphql,
81+
]
82+
);
83+
84+
// here we are registering the root `aggregates` field onto each model
85+
// that has aggregate fields defined.
86+
register_graphql_field(
87+
'RootQueryTo' .ucfirst($post_type ) .'Connection',
88+
'aggregations',
89+
[
90+
'type' =>$aggregate_for_type_name,
91+
'resolve' =>function($root,$args,$context,$info ) {
92+
return [
93+
'categories' => [
94+
[
95+
'key' =>'soccer',
96+
'count' =>25,
97+
],
98+
[
99+
'key' =>'rugby',
100+
'count' =>6,
101+
],
102+
],
103+
'tags' => [
104+
[
105+
'key' =>'adidas',
106+
'count' =>2,
107+
],
108+
[
109+
'key' =>'nike',
110+
'count' =>6,
111+
],
112+
],
113+
'seasons' => [
114+
[
115+
'key' =>'spring',
116+
'count' =>2,
117+
],
118+
[
119+
'key' =>'summer',
120+
'count' =>6,
121+
],
122+
[
123+
'key' =>'autumn',
124+
'count' =>2,
125+
],
126+
[
127+
'key' =>'winter',
128+
'count' =>30,
129+
],
130+
],
131+
'labels' => [
132+
[
133+
'key' =>'richard',
134+
'count' =>2,
135+
],
136+
],
137+
];
138+
},
139+
]
140+
);
141+
}
30142
}
31143

32144
/**
@@ -136,20 +248,7 @@ public function extend_wp_graphql_fields() {
136248
);
137249

138250
// Add { filter: TagOrCategory.TagOrCategoryFields.FilterFieldsInteger } input object in Posts.where args connector, until we figure how to add to root Posts object with args.
139-
$default_supported_wp_types =array('Post','Page' );
140-
$cpt_type_names =get_post_types(
141-
array(
142-
'public' =>true,
143-
'_builtin' =>false,
144-
),
145-
'names'
146-
);
147-
148-
foreach ($cpt_type_namesas$name ) {
149-
$cpt_type_names[$name ] =ucwords($name );
150-
}
151-
152-
$taxonomy_filter_supported_types =array_merge($default_supported_wp_types,$cpt_type_names );
251+
$taxonomy_filter_supported_types =$this->get_supported_post_types();
153252

154253
foreach ($taxonomy_filter_supported_typesas &$type ) {
155254
$graphql_single_name =$type;
@@ -164,4 +263,26 @@ public function extend_wp_graphql_fields() {
164263
}
165264
unset($type );
166265
}
266+
267+
/**
268+
* Get the supported post types.
269+
*
270+
* @return array
271+
*/
272+
privatefunctionget_supported_post_types():array {
273+
$built_ins = ['Post','Page' ];
274+
$cpt_type_names =get_post_types(
275+
[
276+
'public' =>true,
277+
'_builtin' =>false,
278+
],
279+
'names'
280+
);
281+
282+
foreach ($cpt_type_namesas$name ) {
283+
$cpt_type_names[$name ] =ucwords($name );
284+
}
285+
286+
returnarray_merge($built_ins,$cpt_type_names );
287+
}
167288
}

‎tests/src/test-filter-query.php‎

Lines changed: 81 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -218,4 +218,85 @@ public function data_provider(): array {
218218
),
219219
);
220220
}
221+
222+
publicfunctiondata_for_schema_exists_for_aggregations():array {
223+
return [
224+
'posts_have_aggregations' => [
225+
'query {
226+
posts {
227+
nodes {
228+
title
229+
}
230+
aggregations {
231+
tags {
232+
key
233+
count
234+
}
235+
}
236+
}
237+
}',
238+
'data',
239+
],
240+
'pages_have_aggregations' => [
241+
'query {
242+
pages {
243+
nodes {
244+
title
245+
}
246+
aggregations {
247+
tags {
248+
key
249+
count
250+
}
251+
}
252+
}
253+
}',
254+
'data',
255+
],
256+
'zombies_have_aggregations' => [
257+
'query {
258+
zombies {
259+
nodes {
260+
title
261+
}
262+
aggregations {
263+
tags {
264+
key
265+
count
266+
}
267+
}
268+
}
269+
}',
270+
'data',
271+
],
272+
'non_existing_type_should_not_have_aggregations' => [
273+
'query {
274+
doesNotExist {
275+
nodes {
276+
title
277+
}
278+
aggregations {
279+
tags {
280+
key
281+
count
282+
}
283+
}
284+
}
285+
}',
286+
'errors',
287+
],
288+
];
289+
}
290+
291+
/**
292+
*
293+
* @dataProvider data_for_schema_exists_for_aggregations
294+
* @return void
295+
* @throws Exception
296+
*/
297+
publicfunctiontest_schema_exists_for_aggregations($query,$expected ) {
298+
$result =do_graphql_request($query );
299+
$this->assertArrayHasKey($expected,$result,json_encode($result ) );
300+
$this->assertNotEmpty($result );
301+
}
221302
}

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