Added a parameter to the fetch-logs endpoint for specifying past dura…

…tions.

autograder/api/admin/fetchlogs.py

@@ -15,6 +15,10 @@
             'If supplied, only return log records after this datetime (as an RFC3339 string).',
             required = False),
 
+    autograder.api.config.APIParam('past',
+            'If supplied, only return log records in this duration (using "h", "m", or "s" suffixes) (e.g., "24h", "10m", or "1h10m10s").',
+            required = False),
+
     autograder.api.config.APIParam('assignment-id',
             'If supplied, only return log records for this assignment.',
             required = False),

tests/api/data/test_admin_fetch_logs_missing_assignment.json

@@ -9,7 +9,7 @@
     "output": {
         "success": false,
         "error-messages": [
-            "Unknown assignment given for 'assignment' componet of log query ('ZZZ')."
+            "Unknown assignment given for 'assignment' component of log query ('ZZZ')."
         ],
         "results": null
     }

tests/api/data/test_admin_fetch_logs_past_empty.json

@@ -0,0 +1,15 @@
+{
+    "endpoint": "admin/fetch/logs",
+    "arguments": {
+        "course": "course-without-source",
+        "level": "ERROR",
+        "past": "24h"
+    },
+    "output-modifier": "clean_output_logs",
+    "output": {
+        "success": true,
+        "error-messages": null,
+        "results": [
+        ]
+    }
+}