Server upload works

src/data_provider/settings.rs

@@ -0,0 +1,69 @@
+use rusqlite::fallible_iterator::FallibleIterator;
+use rusqlite::Connection;
+
+pub fn get_setting(key: String, connection: &Connection) -> Option<String> {
+    let mut stmt = connection.prepare("SELECT value FROM settings WHERE id = ?1").unwrap();
+    let iter = stmt.query_map((key,), |row| {
+        row.get(0)
+    }).unwrap();
+
+    for row in iter {
+        if let Ok(value) = row {
+            return Some(value);
+        }
+        return None;
+    }
+    None
+}
+
+pub fn set_setting(key: String, value: String, connection: &Connection) {
+    let current = get_settings_list(connection);
+    if current.contains(&key) {
+        update_settings(key, value, connection);
+    }else {
+        create_settings(key, value, connection);
+    }
+}
+
+pub fn delete_settings(key: String, connection: &Connection) {
+    connection
+        .execute("DELETE FROM settings WHERE id = ?1", (&key,))
+        .unwrap_or_else(|e| {
+            println!("{}", e);
+            0
+        });
+}
+
+fn create_settings(key: String, value: String, connection: &Connection) {
+    connection
+        .execute(
+            "INSERT into settings (id, value) VALUES (?1, ?2)",
+            (key, value),
+        )
+        .unwrap_or_else(|e| {
+            println!("{}", e);
+            0
+        });
+}
+
+fn update_settings(key: String, value: String, connection: &Connection) {
+    connection
+        .execute(
+            "update settings
+set value = ?2
+where id = ?1",
+            (key, value),
+        )
+        .unwrap_or_else(|e| {
+            println!("{}", e);
+            0
+        });}
+
+fn get_settings_list(connection: &Connection) -> Vec<String> {
+    let mut stmt = connection.prepare("SELECT id FROM settings").unwrap();
+    let iter = stmt.query_map((), |row| {
+        row.get(0)
+    }).unwrap();
+    iter.map(|row| { row.unwrap() }).collect()
+}
+