Fix issue #20; add isSuspended function; update code style

AnkiConnect.py

@@ -377,15 +377,36 @@ class AnkiBridge:
 
     def addTags(self, notes, tags, add=True):
         self.startEditing()
-        aqt.mw.col.tags.bulkAdd(notes, tags, add)
+        self.collection().tags.bulkAdd(notes, tags, add)
         self.stopEditing()
 
 
     def suspend(self, cards, suspend=True):
+        for card in cards:
+            isSuspended = self.isSuspended(card)
+            if suspend and isSuspended:
+                cards.remove(card)
+            elif not suspend and not isSuspended:
+                cards.remove(card)
+
+        if cards:
+            self.startEditing()
             if suspend:
-            aqt.mw.col.sched.suspendCards(cards)
+                self.collection().sched.suspendCards(cards)
             else:
-            aqt.mw.col.sched.unsuspendCards(cards)
+                self.collection().sched.unsuspendCards(cards)
+            self.stopEditing()
+            return True
+
+        return False
+
+
+    def isSuspended(self, card):
+        card = self.collection().getCard(card)
+        if card.queue == -1:
+            return True
+        else:
+            return False
 
 
     def startEditing(self):
@@ -464,14 +485,14 @@ class AnkiBridge:
 
     def findNotes(self, query=None):
         if query is not None:
-            return aqt.mw.col.findNotes(query)
+            return self.collection().findNotes(query)
         else:
             return []
 
 
     def findCards(self, query=None):
         if query is not None:
-            return aqt.mw.col.findCards(query)
+            return self.collection().findCards(query)
         else:
             return []
 
@@ -702,6 +723,11 @@ class AnkiConnect:
         return self.anki.suspend(cards, False)
 
 
+    @webApi
+    def isSuspended(self, card):
+        return self.anki.isSuspended(card)
+
+
     @webApi
     def upgrade(self):
         response = QMessageBox.question(

README.md

@@ -347,7 +347,8 @@ Below is a list of currently supported actions. Requests with invalid actions or
 
 *   **suspend**
 
-    Suspend cards by card ID.
+    Suspend cards by card ID; returns `true` if successful (at least one card wasn't already suspended) or `false`
+    otherwise.
 
     *Sample request*:
     ```
@@ -361,12 +362,13 @@ Below is a list of currently supported actions. Requests with invalid actions or
 
     *Sample response*:
     ```
-    null
+    true
     ```
 
 *   **unsuspend**
 
-    Unsuspend cards by card ID.
+    Unsuspend cards by card ID; returns `true` if successful (at least one card was previously suspended) or `false`
+    otherwise.
 
     *Sample request*:
     ```
@@ -380,7 +382,26 @@ Below is a list of currently supported actions. Requests with invalid actions or
 
     *Sample response*:
     ```
-    null
+    true
+    ```
+
+*   **isSuspended**
+
+    Returns `true` if the given card is suspended or `false` otherwise.
+
+    *Sample request*:
+    ```
+    {
+        "action": "isSuspended",
+        "params": {
+            "card": 1483959291685
+        }
+    }
+    ```
+
+    *Sample response*:
+    ```
+    false
     ```
 
 *   **findNotes**