Add slight modificated sqlite db connector that is more similar to the postgres db connector

Cargo.toml

@@ -11,10 +11,12 @@ license = "LGPL-3.0"
 #maintenance = { status = "active-developed" }
 
 [features]
-default  = ["rusqlite"]
-complete = ["rusqlite", "postgres", "webbrowser"]
-server   = ["rusqlite", "postgres"]
-desktop  = ["rusqlite", "webbrowser"]
+rusqlite_old = ["rusqlite"]
+rusqlite_new = ["rusqlite"]
+default  = ["rusqlite_old"]
+complete = ["rusqlite_old", "postgres", "webbrowser"]
+server   = ["rusqlite_old", "postgres"]
+desktop  = ["rusqlite_old", "webbrowser"]
 watch    = ["handlebars-iron/watch"]
 strict   = [] # Treat warnings as a build error
 debug    = []

migrations/sqlite_v2/0001_create_contest.sql

+CREATE TABLE contest (
+       id INTEGER PRIMARY KEY,
+       location TEXT NOT NULL,
+       filename TEXT NOT NULL,
+       name TEXT NOT NULL,
+       duration INTEGER NOT NULL,
+       public INTEGER NOT NULL,
+       start_date TEXT,
+       end_date TEXT
+)
+

migrations/sqlite_v2/0001_create_grade.sql

+CREATE TABLE grade (
+       taskgroup INTEGER,
+       session INTEGER,
+       grade INTEGER,
+       validated INTEGER,
+       PRIMARY KEY (taskgroup, session)
+)

migrations/sqlite_v2/0001_create_group.sql

+CREATE TABLE usergroup (
+       id INTEGER PRIMARY KEY,
+       name TEXT,
+       groupcode TEXT,
+       tag TEXT,
+       admin INTEGER
+)

migrations/sqlite_v2/0001_create_participation.sql

+CREATE TABLE participation (
+       contest INTEGER,
+       session INTEGER,
+       start_date TEXT,
+       PRIMARY KEY (contest, session)
+)

migrations/sqlite_v2/0001_create_session_user.sql

+CREATE TABLE session (
+       id INTEGER PRIMARY KEY,
+       session_token TEXT,
+       csrf_token TEXT,
+       last_login TEXT,
+       last_activity TEXT,
+       permanent_login INTEGER,
+
+       username TEXT,
+       password TEXT,
+       salt TEXT,
+       logincode TEXT,
+       email TEXT,
+       email_unconfirmed TEXT,
+       email_confirmationcode TEXT,
+
+       firstname TEXT,
+       lastname TEXT,
+       street TEXT,
+       zip TEXT,
+       city TEXT,
+       nation TEXT,
+       grade INTEGER,
+
+       is_teacher INTEGER,
+       managed_by INTEGER,
+       oauth_foreign_id TEXT,
+       oauth_provider TEXT
+)

migrations/sqlite_v2/0001_create_submission.sql

+CREATE TABLE submission (
+       id INTEGER PRIMARY KEY,
+       session INTEGER NOT NULL,
+       task INTEGER NOT NULL,
+       grade INTEGER NOT NULL,
+       validated INTEGER NOT NULL,
+       needs_validation INTEGER NOT NULL,
+       nonvalidated_grade INTEGER NOT NULL,
+       subtask_identifier TEXT,
+       value TEXT,
+       date TEXT
+)

migrations/sqlite_v2/0001_create_task.sql

+CREATE TABLE task (
+       id INTEGER PRIMARY KEY,
+       taskgroup INTEGER,
+       location TEXT,
+       stars INTEGER
+)

migrations/sqlite_v2/0001_create_taskgroup.sql

+CREATE TABLE taskgroup (
+       id INTEGER PRIMARY KEY,
+       contest INTEGER NOT NULL,
+       name TEXT NOT NULL
+)

src/db_conn_sqlite.rs

-#![cfg(feature = "rusqlite")]
+#![cfg(feature = "rusqlite_old")]
 
 extern crate rusqlite;
 

src/main.rs

@@ -23,7 +23,9 @@ extern crate urlencoded;
 
 #[cfg(feature = "postgres")]
 extern crate postgres;
-#[cfg(feature = "rusqlite")]
+#[cfg(feature = "rusqlite_old")]
+extern crate rusqlite;
+#[cfg(feature = "rusqlite_new")]
 extern crate rusqlite;
 #[cfg(feature = "webbrowser")]
 extern crate webbrowser;
@@ -38,6 +40,7 @@ pub mod oauth_provider;
 mod db_apply_migrations;
 mod db_conn_postgres;
 mod db_conn_sqlite;
+mod db_conn_sqlite_new;
 mod db_objects;
 mod webfw_iron;