Implement bulk index and index clearing

data.json

+[
+	{
+		"name": "doc1",
+		"body": "I put on my robe and wizard hat"
+	},
+	{
+		"name": "doc2",
+		"body": "I put my wizard hat in the wizard closet"
+	}
+]

index.py

 import duckdb
+import json
 import os
 from collections import defaultdict
 
@@ -73,8 +74,16 @@ class Index:
             self.cursor.execute(f"INSERT INTO terms VALUES ({term_id}, {doc_id}, {frequency})")
 
     def bulk_index(self, filename):
-        # TODO read data from filename and index documents
-        pass
+        with open(filename) as _file:
+            data = json.load(_file)
+
+        for document in data:
+            self.index(document)
+
+    def clear(self):
+        self.cursor.execute("DELETE FROM terms")
+        self.cursor.execute("DELETE FROM docs")
+        self.cursor.execute("DELETE FROM dict")
 
     def print_index(self):
         print('dict')

main.py

@@ -6,6 +6,7 @@ from index import Index
 def bulk_index(index, args):
     filename = args.data
     index.bulk_index(filename)
+    index.print_index()
 
 
 def query_index(index, args):
@@ -13,6 +14,10 @@ def query_index(index, args):
     # TODO use query terms to query index
 
 
+def clear_index(index, args):
+    index.clear()
+
+
 def main():
     parser = ArgumentParser(prog='old_duck', description='OldDuck - A Python implementation of OldDog, using DuckDB')
 
@@ -21,12 +26,16 @@ def main():
     parser_index = subparsers.add_parser('index')
     parser_index.add_argument('database', help='The database file to index the files to')
     parser_index.add_argument('data', help='The file to read and index documents from')
-    parser.set_defaults(func=bulk_index)
+    parser_index.set_defaults(func=bulk_index)
 
     parser_query = subparsers.add_parser('query')
-    parser_query.add_argument('database', help='The database file to index the files to')
+    parser_query.add_argument('database', help='The database file to query')
     parser_query.add_argument('terms', help='The query terms', nargs='*')
-    parser.set_defaults(func=query_index)
+    parser_query.set_defaults(func=query_index)
+
+    parser_clear = subparsers.add_parser('clear')
+    parser_clear.add_argument('database', help='The database file to clear')
+    parser_clear.set_defaults(func=clear_index)
 
     args = parser.parse_args()