loading inner collections

src/data_provider/import.rs

@@ -0,0 +1,48 @@
+use rusqlite::Connection;
+use serde_json::Value;
+use std::collections::HashMap;
+
+#[derive(Clone)]
+pub struct ImportData(Vec<ImportGroup>);
+
+#[derive(Clone, Debug)]
+pub struct ImportGroup {
+    id: u64,
+    name: String,
+    fields: Vec<String>,
+    mapping: HashMap<String, String>,
+}
+
+#[derive(Clone)]
+pub struct ImportNote {
+    name: String,
+    tags: String,
+    fields: Vec<String>,
+}
+
+pub fn load_groups(connection: &Connection) -> ImportData {
+    let json_models: String = connection
+        .query_one("select models from col", (), |row| row.get(0))
+        .unwrap();
+    let raw: Value = serde_json::from_str(json_models.as_str()).unwrap();
+    let sets = raw.as_object().unwrap();
+    let mut total_data = ImportData(vec![]);
+
+    for (_, collection) in sets {
+        let fields = collection["flds"]
+            .as_array()
+            .unwrap()
+            .iter()
+            .map(|x| x["name"].as_str().unwrap().to_string())
+            .collect();
+        let group = ImportGroup {
+            id: collection["id"].as_u64().unwrap(),
+            name: collection["name"].as_str().unwrap().to_string(),
+            fields,
+            mapping: Default::default(),
+        };
+        println!("{:?}", group);
+        total_data.0.push(group);
+    }
+    total_data
+}