Use database as source for initializing connector

fedireads/connectors/__init__.py

@@ -1,3 +1,2 @@
 ''' bring connectors into the namespace '''
 from .settings import CONNECTORS
-from .openlibrary import OpenLibraryConnector

fedireads/connectors/abstract_connector.py

@@ -1,6 +1,7 @@
 ''' functionality outline for a book data connector '''
 from abc import ABC, abstractmethod
 
+from fedireads import models
 from fedireads.connectors import CONNECTORS
 
 
@@ -13,15 +14,22 @@ class AbstractConnector(ABC):
         if not settings:
             raise ValueError('No connector with name "%s"' % connector_name)
 
-        try:
-            self.url = settings['BASE_URL']
-            self.covers_url = settings['COVERS_URL']
-            self.db_field = settings['DB_KEY_FIELD']
-            self.key_name = settings['KEY_NAME']
-        except KeyError:
-            raise KeyError('Invalid connector settings')
-        # TODO: politeness settings
+        info = models.Connector.objects.get(name=settings['db_name'])
+        self.model = info
 
+        self.url = info.base_url
+        self.covers_url = info.covers_url
+        self.search_url = info.search_url
+        self.key_name = info.key_name
+        self.max_query_count = info.max_query_count
+
+
+    def is_available(self):
+        ''' check if you're allowed to use this connector '''
+        if self.model.max_query_count is not None:
+            if self.model.query_count >= self.model.max_query_count:
+                return False
+        return True
 
     @abstractmethod
     def search(self, query):

fedireads/connectors/openlibrary.py

@@ -8,10 +8,10 @@ from fedireads import models
 from .abstract_connector import AbstractConnector, SearchResult
 
 
-class OpenLibraryConnector(AbstractConnector):
+class Connector(AbstractConnector):
     ''' instantiate a connector for OL '''
     def __init__(self):
-        super().__init__('openlibrary')
+        super().__init__('OpenLibrary')
 
 
     def search(self, query):
@@ -76,6 +76,8 @@ class OpenLibraryConnector(AbstractConnector):
             key = data.get('works')[0]['key']
             key = key.split('/')[-1]
             work = self.get_or_create_book(key)
+            h
+
             book.parent_work = work
 
         # we also need to know the author get the cover

fedireads/connectors/settings.py

@@ -1,28 +1,7 @@
 ''' settings book data connectors '''
 CONNECTORS = {
-    'openlibrary': {
-        'KEY_NAME': 'olkey',
-        'DB_KEY_FIELD': 'openlibrary_key',
-        'POLITENESS_DELAY': 0,
-        'MAX_DAILY_QUERIES': -1,
-        'BASE_URL': 'https://openlibrary.org',
-        'COVERS_URL': 'https://covers.openlibrary.org',
+    'OpenLibrary': {
+        'db_name': 'OpenLibrary',
+        'classname': 'fedireads.connectors.openlibrary',
     },
 }
-
-''' not implemented yet:
-    'librarything': {
-        'KEY_NAME': 'ltkey',
-        'DB_KEY_FIELD': 'librarything_key',
-        'POLITENESS_DELAY': 1,
-        'MAX_DAILY_QUERIES': 1000,
-        'BASE_URL': 'https://librarything.com',
-    },
-    'worldcat': {
-        'KEY_NAME': 'ocn',
-        'DB_KEY_FIELD': 'oclc_number',
-        'POLITENESS_DELAY': 0,
-        'MAX_DAILY_QUERIES': -1,
-        'BASE_URL': 'https://worldcat.org',
-    },
-'''