feat: basic api & model for post

tools/migdb.py

@@ -0,0 +1,37 @@
+import sqlite3
+from datetime import datetime
+
+def mig_post(db_old, db_new):
+    c_old = db_old.cursor()
+    c_new = db_new.cursor()
+    rs = c_old.execute(
+        'SELECT id, name_hash, content, cw, author_title, '
+        'likenum, n_comments, timestamp, comment_timestamp, '
+        'deleted, is_reported, hot_score, allow_search '
+        'FROM post WHERE deleted = false'
+    )
+
+    for r in rs:
+        r = list(r)
+        r[3] = r[3] or ''  # cw
+        r[4] = r[4] or ''  # author_title
+        r[8] = r[8] or r[7]  # comment_timestamp
+        r[7] = datetime.fromtimestamp(r[7])
+        r[8] = datetime.fromtimestamp(r[8])
+        r[10] = r[10] or False  # comment
+        c_new.execute(
+            'INSERT OR REPLACE INTO posts VALUES({})'.format(','.join(['?'] * 13)),
+            r
+        )
+    db_new.commit()
+
+    c_old.close()
+    c_new.close()
+
+
+if __name__ == '__main__':
+    db_old = sqlite3.connect('hole.db')
+    db_new = sqlite3.connect('hole_v2.db')
+
+    mig_post(db_old, db_new)
+