Merge pull request #3178 from lonvia/library-documentation

[nominatim.git] / nominatim / api / v1 / server_glue.py

diff --git a/nominatim/api/v1/server_glue.py b/nominatim/api/v1/server_glue.py
index d83adaae646d51f5ca03750e545d91b6eae68db1..24f2234ba3842e26733b04bb75c8d4e74bb1e510 100644 (file)
--- a/nominatim/api/v1/server_glue.py
+++ b/nominatim/api/v1/server_glue.py
@@ -25,17 +25,18 @@ from nominatim.api.v1.format import dispatch as formatting
 from nominatim.api.v1.format import RawDataList
 from nominatim.api.v1 import helpers
 
-CONTENT_TYPE = {
-  'text': 'text/plain; charset=utf-8',
-  'xml': 'text/xml; charset=utf-8',
-  'debug': 'text/html; charset=utf-8'
-}
+CONTENT_TEXT = 'text/plain; charset=utf-8'
+CONTENT_XML = 'text/xml; charset=utf-8'
+CONTENT_HTML = 'text/html; charset=utf-8'
+CONTENT_JSON = 'application/json; charset=utf-8'
+
+CONTENT_TYPE = {'text': CONTENT_TEXT, 'xml': CONTENT_XML, 'debug': CONTENT_HTML}
 
 class ASGIAdaptor(abc.ABC):
     """ Adapter class for the different ASGI frameworks.
         Wraps functionality over concrete requests and responses.
     """
-    content_type: str = 'text/plain; charset=utf-8'
+    content_type: str = CONTENT_TEXT
 
     @abc.abstractmethod
     def get(self, name: str, default: Optional[str] = None) -> Optional[str]:
@@ -69,6 +70,11 @@ class ASGIAdaptor(abc.ABC):
             body of the response to 'output'.
         """
 
+    @abc.abstractmethod
+    def base_uri(self) -> str:
+        """ Return the URI of the original request.
+        """
+
 
     @abc.abstractmethod
     def config(self) -> Configuration:
@@ -80,13 +86,13 @@ class ASGIAdaptor(abc.ABC):
         """ Create a response from the given output. Wraps a JSONP function
             around the response, if necessary.
         """
-        if self.content_type == 'application/json' and status == 200:
+        if self.content_type == CONTENT_JSON and status == 200:
             jsonp = self.get('json_callback')
             if jsonp is not None:
                 if any(not part.isidentifier() for part in jsonp.split('.')):
                     self.raise_error('Invalid json_callback value')
                 output = f"{jsonp}({output})"
-                self.content_type = 'application/javascript'
+                self.content_type = 'application/javascript; charset=utf-8'
 
         return self.create_response(status, output, num_results)
 
@@ -96,16 +102,16 @@ class ASGIAdaptor(abc.ABC):
             message. The message will be formatted according to the
             output format chosen by the request.
         """
-        if self.content_type == 'text/xml; charset=utf-8':
+        if self.content_type == CONTENT_XML:
             msg = f"""<?xml version="1.0" encoding="UTF-8" ?>
                       <error>
                         <code>{status}</code>
                         <message>{msg}</message>
                       </error>
                    """
-        elif self.content_type == 'application/json':
+        elif self.content_type == CONTENT_JSON:
             msg = f"""{{"error":{{"code":{status},"message":"{msg}"}}}}"""
-        elif self.content_type == 'text/html; charset=utf-8':
+        elif self.content_type == CONTENT_HTML:
             loglib.log().section('Execution error')
             loglib.log().var_dump('Status', status)
             loglib.log().var_dump('Message', msg)
@@ -199,7 +205,7 @@ class ASGIAdaptor(abc.ABC):
         """
         if self.get_bool('debug', False):
             loglib.set_log_output('html')
-            self.content_type = 'text/html; charset=utf-8'
+            self.content_type = CONTENT_HTML
             return True
 
         return False
@@ -229,7 +235,7 @@ class ASGIAdaptor(abc.ABC):
             self.raise_error("Parameter 'format' must be one of: " +
                               ', '.join(formatting.list_formats(result_type)))
 
-        self.content_type = CONTENT_TYPE.get(fmt, 'application/json')
+        self.content_type = CONTENT_TYPE.get(fmt, CONTENT_JSON)
         return fmt
 
 
@@ -297,7 +303,7 @@ async def details_endpoint(api: napi.NominatimAPIAsync, params: ASGIAdaptor) ->
 
     result = await api.details(place,
                                address_details=params.get_bool('addressdetails', False),
-                               linked_places=params.get_bool('linkedplaces', False),
+                               linked_places=params.get_bool('linkedplaces', True),
                                parented_places=params.get_bool('hierarchy', False),
                                keywords=params.get_bool('keywords', False),
                                geometry_output = napi.GeometryFormat.GEOJSON
@@ -447,18 +453,27 @@ async def search_endpoint(api: napi.NominatimAPIAsync, params: ASGIAdaptor) -> A
         helpers.feature_type_to_rank(params.get('featureType', ''))
     if params.get('featureType', None) is not None:
         details['layers'] = napi.DataLayer.ADDRESS
+    else:
+        details['layers'] = params.get_layers()
 
+    # unstructured query parameters
     query = params.get('q', None)
+    # structured query parameters
     queryparts = {}
+    for key in ('amenity', 'street', 'city', 'county', 'state', 'postalcode', 'country'):
+        details[key] = params.get(key, None)
+        if details[key]:
+            queryparts[key] = details[key]
+
     try:
         if query is not None:
+            if queryparts:
+                params.raise_error("Structured query parameters"
+                                   "(amenity, street, city, county, state, postalcode, country)"
+                                   " cannot be used together with 'q' parameter.")
             queryparts['q'] = query
             results = await _unstructured_search(query, api, details)
         else:
-            for key in ('amenity', 'street', 'city', 'county', 'state', 'postalcode', 'country'):
-                details[key] = params.get(key, None)
-                if details[key]:
-                    queryparts[key] = details[key]
             query = ', '.join(queryparts.values())
 
             results = await api.search_address(**details)
@@ -481,7 +496,7 @@ async def search_endpoint(api: napi.NominatimAPIAsync, params: ASGIAdaptor) -> A
                                    (str(r.place_id) for r in results if r.place_id))
         queryparts['format'] = fmt
 
-        moreurl = urlencode(queryparts)
+        moreurl = params.base_uri() + '/search?' + urlencode(queryparts)
     else:
         moreurl = ''