comma separated filter in categories endpoint

Author: maceto

README.md

@@ -54,6 +54,61 @@ Returns a JSON object with the following schema:
 ]
 ```
 
+### `GET /categories`
+
+This endpoint can return a full list of categories names or a categories with all the associated technologies
+
+#### Parameters
+
+The following parameters can be used to filter the data:
+
+- `category` (`required`): A comma-separated string representing the category name(s).
+- `onlyname` (optional): A string 'true' or 'false'.
+
+#### Response
+
+```bash
+curl --request GET \
+  --url 'https://dev-gw-2vzgiib6.uk.gateway.dev/v1/categories?category=Domain%20parking%2CCI'
+```
+
+```json
+[
+	{
+		"technologies": [
+			"Arsys Domain Parking"
+		],
+		"origins": 11,
+		"category": "Domain parking"
+	},
+	{
+		"technologies": [
+			"Jenkins",
+			"TeamCity"
+		],
+		"origins": 20,
+		"category": "CI"
+	}
+]
+```
+
+```bash
+curl --request GET \
+  --url 'https://dev-gw-2vzgiib6.uk.gateway.dev/v1/categories?onlyname=true'
+```
+
+```json
+[
+	"Blogs",
+	"LMS",
+	"CI",
+	"Cross border ecommerce",
+	"Cart abandonment",
+	"Domain parking",
+  ...
+]
+
+```
 
 ### `GET /technologies`
 

functions/categories/libs/queries.py

@@ -11,28 +11,24 @@ def list_data(params):
 
   query = ref
 
-  if 'technology' in params:
-    params_array = convert_to_array(params['technology'])
-    query = query.where('technology', 'in', params_array)
-
-  if 'category' in params:
-    params_array = convert_to_array(params['category'])
-    query = query.where('category', 'in', params_array)
-
-  documents = query.stream()
-
   data = []
 
   if 'onlyname' in params:
+    documents = query.stream()
 
     for doc in documents:
-        item = doc.to_dict()
-        if 'category' in item:
-          data.append(item['category'])
+      item = doc.to_dict()
+      if 'category' in item:
+        data.append(item['category'])
 
   else:
 
-    for doc in documents:
-      data.append(doc.to_dict())
+    if 'category' in params:
+      category_array = convert_to_array(params['category'])
+
+      for category in category_array:
+        results = DB.collection(u'categories').where("category", "==", category).stream()
+        for doc in results:
+          data.append(doc.to_dict())
 
   return Result(result=data)