Add getIntervals function

AnkiConnect.py

@@ -409,6 +409,16 @@ class AnkiBridge:
             return False
 
 
+    def getIntervals(self, cards, complete=False):
+        intervals = []
+        for card in cards:
+            interval = self.window().col.db.list('select ivl from revlog where cid = ?', card)
+            if not complete:
+                interval = interval[-1]
+            intervals.append(interval)
+        return intervals
+
+
     def startEditing(self):
         self.window().requireReset()
 
@@ -728,6 +738,11 @@ class AnkiConnect:
         return self.anki.isSuspended(card)
 
 
+    @webApi
+    def getIntervals(self, cards, complete=False):
+        return self.anki.getIntervals(cards, complete)
+
+
     @webApi
     def upgrade(self):
         response = QMessageBox.question(

README.md

@@ -404,6 +404,46 @@ Below is a list of currently supported actions. Requests with invalid actions or
     false
     ```
 
+*   **getIntervals**
+
+    Returns an array of the most recent intervals for each given card ID, or a 2-dimensional array of all the intervals
+    for each given card ID when `complete` is `true`. (Negative intervals are in seconds and positive intervals in days.)
+
+    *Sample request 1*:
+    ```
+    {
+        "action": "getIntervals",
+        "params": {
+            "cards": [1502298033753, 1502298036657]
+        }
+    }
+    ```
+
+    *Sample response 1*:
+    ```
+    [-14400, 3]
+    ```
+
+    *Sample request 2*:
+    ```
+    {
+        "action": "getIntervals",
+        "params": {
+            "cards": [1502298033753, 1502298036657],
+            "complete": true
+        }
+    }
+    ```
+
+    *Sample response 2*:
+    ```
+    [
+        [-120, -180, -240, -300, -360, -14400],
+        [-120, -180, -240, -300, -360, -14400, 1, 3]
+    ]
+    ```
+
+
 *   **findNotes**
 
     Returns an array of note IDs for a given query (same query syntax as **guiBrowse**).