move old migrations away from project root

src/old_migrations/migrate_0_4_to_0_5.py

@@ -0,0 +1,15 @@
+import config, sqlite3
+
+conn = sqlite3.connect(config.DATABASE)
+
+if __name__ == '__main__':
+  conn.executescript('''
+BEGIN TRANSACTION;
+  CREATE TABLE new_message ("id" INTEGER NOT NULL PRIMARY KEY, "user_id" INTEGER NOT NULL, "text" TEXT NOT NULL, "pub_date" DATETIME NOT NULL, "privacy" INTEGER DEFAULT 0, FOREIGN KEY ("user_id") REFERENCES "user" ("id"));
+  INSERT INTO new_message (id, user_id, text, pub_date, privacy) SELECT t1.id, t1.user_id, t1.text, t1.pub_date, t2.value FROM message AS t1 LEFT JOIN messageprivacy AS t2 ON t2.message_id = t1.id;
+  UPDATE new_message SET privacy = 0 WHERE privacy IS NULL;
+  DROP TABLE message;
+  DROP TABLE messageprivacy;
+  ALTER TABLE new_message RENAME TO message;
+COMMIT;
+''')

src/old_migrations/migrate_0_6_to_0_7.py

@@ -0,0 +1,10 @@
+import sqlite3
+
+conn = sqlite3.connect('coriplus.sqlite')
+
+if __name__ == '__main__':
+    conn.executescript('''
+BEGIN TRANSACTION;
+  ALTER TABLE userprofile ADD COLUMN telegram TEXT;
+COMMIT;
+''')

src/old_migrations/migrate_0_7_to_0_8.py

@@ -0,0 +1,20 @@
+import sqlite3
+
+import sqlite3
+
+conn = sqlite3.connect('coriplus.sqlite')
+
+if __name__ == '__main__':
+    conn.executescript('''
+BEGIN TRANSACTION;
+  CREATE TABLE "new_userprofile" ("user_id" INTEGER NOT NULL PRIMARY KEY, "biography" TEXT NOT NULL, "location" INTEGER, "year" INTEGER, "website" TEXT, "instagram" TEXT, "facebook" TEXT, telegram TEXT, FOREIGN KEY ("user_id") REFERENCES "user" ("id"));
+  CREATE TABLE "new_user" ("id" INTEGER NOT NULL PRIMARY KEY, "username" VARCHAR(30) NOT NULL, "full_name" VARCHAR(30), "password" VARCHAR(255) NOT NULL, "email" VARCHAR(255) NOT NULL, "birthday" DATE NOT NULL, "join_date" DATETIME NOT NULL, "is_disabled" INTEGER NOT NULL);
+  INSERT INTO new_user (id, username, full_name, password, email, birthday, join_date, is_disabled) SELECT t1.id, t1.username, t2.full_name, t1.password, t1.email, t1.birthday, t1.join_date, t1.is_disabled FROM user AS t1 LEFT JOIN userprofile AS t2 ON t1.id = t2.user_id;
+  INSERT INTO new_userprofile (user_id, biography, location, year, website, instagram, facebook, telegram) SELECT user_id, biography, location, year, website, instagram, facebook, telegram FROM userprofile;
+  UPDATE new_user SET full_name = username WHERE username IS NULL;
+  DROP TABLE user;
+  DROP TABLE userprofile;
+  ALTER TABLE new_user RENAME TO user;
+  ALTER TABLE new_userprofile RENAME TO userprofile;
+COMMIT;
+''')